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How Cruise Control Systems Work

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cruise control

Cruise control is an invaluable feature on Ameri­can ­cars. Without cruise control, long road trips would be more tiring, for the driver at least, and those of us suffering from lead-foot syndrome would probably get a lot more speeding tickets.

­Cruise control is far more common on American cars than European cars, because the roads in America are generally bigger and straighter, and destinations are farther apart. With traffic continually increasing, basic cruise control is becoming less useful, but instead of becoming obsolete, cruise control systems are adapting to this new reality -- soon, cars will be equipped with adaptive cruise control, which will allow your ­car to follow the car in front of it while continually adjusting speed to maintain a safe distance.

In this article, we'll learn how a conventional cruise control system works, and then we'll take a look at adaptive cruise control systems that are under development.

What Cruise Control Does

Cruise control acceleration and deceleration, controlling the cruise control, adaptive cruise control.

cruise control system ppt

The cruise control system actually has a lot of functions other than controlling the speed of your car. For instance, the cruise control pictured below can accelerate or decelerate the car by 1 mph with the tap of a button. Hit the button five times to go 5 mph faster. There are also several important safety features -- the cruise control will disengage as soon as you hit the brake pedal, and it won't engage at speeds less than 25 mph (40 kph).

The system pictured below has five buttons: On, Off, Set/Accel, Resume and Coast. It also has a sixth control -- the brake pedal, and if your car has a manual transmission the clutch pedal is also hooked up to the cruise control.

  • The on and off buttons don't actually do much. Hitting the on button does not do anything except tell the car that you might be hitting another button soon. The off button turns the cruise control off even if it is engaged. Some cruise controls don't have these buttons; instead, they turn off when the driver hits the brakes, and turn on when the driver hits the set button.
  • The set/accel button tells the car to maintain the speed you are currently driving. If you hit the set button at 45 mph, the car will maintain your speed at 45 mph. Holding down the set/accel button will make the car accelerate; and on this car, tapping it once will make the car go 1 mph faster.
  • If you recently disengaged the cruise control by hitting the brake pedal, hitting the resume button will command the car to accelerate back to the most recent speed setting.
  • Holding down the coast button will cause the car to decelerate, just as if you took your foot completely off the gas. On this car, tapping the coast button once will cause the car to slow down by 1 mph.
  • The brake pedal and clutch pedal each have a switch that disengages the cruise control as soon as the pedal is pressed, so you can shut off the cruise control with a light tap on the brake or clutch.

cruise control system ppt

The cruise control system controls the speed of your car the same way you do -- by adjusting the throttle position . But cruise control actuates the throttle valve by a cable connected to an actuator , instead of by pressing a pedal. The throttle valve controls the power and speed of the engine by limiting how much air the engine takes in (see How Fuel Injection Systems Work for more details).

In the picture above, you can see two cables connected to a pivot that moves the throttle valve. One cable comes from the accelerator pedal, and one from the actuator. When the cruise control is engaged, the actuator moves the cable connected to the pivot, which adjusts the throttle; but it also pulls on the cable that is connected to the gas pedal -- this is why your pedal moves up and down when the cruise control is engaged.

cruise control system ppt

Many cars use actuators powered by engine vacuum to open and close the throttle. These systems use a small, electronically-controlled valve to regulate the vacuum in a diaphragm. This works in a similar way to the brake booster , which provides power to your brake system.

cruise control system ppt

The brain of a cruise control system is a small computer that is normally found under the hood or behind the dashboard. It connects to the throttle control seen in the previous section, as well as several sensors. The diagram below shows the inputs and outputs of a typical cruise control system.

A good cruise control system accelerates aggressively to the desired speed without overshooting, and then maintains that speed with little deviation no matter how much weight is in the car, or how steep the hill you drive up. Controlling the speed of a car is a classic application of control system theory . The cruise control system controls the speed of the car by adjusting the throttle position, so it needs sensors to tell it the speed and throttle position. It also needs to monitor the controls so it can tell what the desired speed is and when to disengage.

The most important input is the speed signal; the cruise control system does a lot with this signal. First, let's start with one of the most basic control systems you could have -- a proportional control .

In a proportional control system, the cruise control adjusts the throttle proportional to the error, the error being the difference between the desired speed and the actual speed. So, if the cruise control is set at 60 mph and the car is going 50 mph, the throttle position will be open quite far. When the car is going 55 mph, the throttle position opening will be only half of what it was before. The result is that the closer the car gets to the desired speed, the slower it accelerates. Also, if you were on a steep enough hill, the car might not accelerate at all.

Most cruise control systems use a control scheme called proportional-integral-derivative control (a.k.a. PID control). Don't worry, you don't need to know any calculus to make it through this explanation -- just remember that:

  • The integral of speed is distance.
  • The derivative of speed is acceleration.

A PID control system uses these three factors -- proportional, integral and derivative, calculating each individually and adding them to get the throttle position.

We've already discussed the proportional factor. The integral factor is based on the time integral of the vehicle speed error . Translation: the difference between the distance your car actually traveled and the distance it would have traveled if it were going at the desired speed, calculated over a set period of time. This factor helps the car deal with hills, and also helps it settle into the correct speed and stay there. Let's say your car starts to go up a hill and slows down. The proportional control increases the throttle a little, but you may still slow down. After a little while, the integral control will start to increase the throttle, opening it more and more, because the longer the car maintains a speed slower than the desired speed, the larger the distance error gets.

Now let's add in the final factor, the derivative . Remember that the derivative of speed is acceleration. This factor helps the cruise control respond quickly to changes, such as hills. If the car starts to slow down, the cruise control can see this acceleration (slowing down and speeding up are both acceleration) before the speed can actually change much, and respond by increasing the throttle position.

Two companies are developing a more advanced cruise control that can automatically adjust a car's speed to maintain a safe following distance. This new technology, called adaptive cruise control , uses forward-looking radar , installed behind the grill of a vehicle, to detect the speed and distance of the vehicle ahead of it.

Adaptive cruise control is similar to conventional cruise control in that it maintains the vehicle's pre-set speed. However, unlike conventional cruise control, this new system can automatically adjust speed in order to maintain a proper distance between vehicles in the same lane. This is achieved through a radar headway sensor , digital signal processor and longitudinal controller . If the lead vehicle slows down, or if another object is detected, the system sends a signal to the engine or braking system to decelerate. Then, when the road is clear, the system will re-accelerate the vehicle back to the set speed.

The 77-GHz Autocruise radar system made by TRW has a forward-looking range of up to 492 feet (150 meters), and operates at vehicle speeds ranging from 18.6 miles per hour (30 kph) to 111 mph (180 kph). Delphi's 76-GHz system can also detect objects as far away as 492 feet, and operates at speeds as low as 20 mph (32 kph).

Adaptive cruise control is just a preview of the technology being developed by both companies. These systems are being enhanced to include collision warning capabilities that will warn drivers through visual and/or audio signals that a collision is imminent and that braking or evasive steering is needed.

For more information on cruise control, check out the links below.

Cruise Control FAQ

How does cruise control work, how does adaptive cruise control work, will adaptive cruise control stop the vehicle, when would you use cruise control, how useful is cruise control, lots more information, related articles.

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What Is Adaptive Cruise Control?

Adaptive cruise control (ACC) is a system designed to help road vehicles maintain a safe following distance and stay within the speed limit. This system adjusts a car's speed automatically so drivers don't have to.

control buttons on steering wheel in a modern car

Adaptive cruise control (ACC) is a system designed to help vehicles maintain a safe following distance and stay within the speed limit. This system adjusts a car's speed automatically so drivers don't have to.

Adaptive cruise control is one of 20 terms used to describe its functions so that you might see adaptive cruise control as the following in advertisements and vehicle descriptions:

  • Active cruise control
  • Dynamic cruise control
  • Radar cruise control
  • Automatic cruise control
  • Intelligent cruise control

ACC functions by sensory technology installed within vehicles such as cameras, lasers, and radar equipment, which creates an idea of how close one car is to another, or other objects on the roadway. For this reason, ACC is the basis for future car intelligence.

These sensory technologies allow the car to detect and warn the driver about potential forward collisions. When this happens, red lights begin to flash, and the phrase 'brake now!' appears on the dashboard to help the driver slow down. There might also be an audible warning.

Advantages of Adaptive Cruise Control

Limitations of adaptive cruise control.

Although there are many advantages to adaptive cruise control, there are still limitations to consider. One of the main faults in this system is the fact that it is not entirely autonomous. The driver of the vehicle still needs to practice safe driving habits that will work in tandem with this technology to produce the best results. Similarly, adverse weather conditions like snow, rain, or fog might confuse the system's sensors, as well as environmental factors such as driving through tunnels.

What Is the Difference Between a Level 1 Autonomous Car and a Level 2 Autonomous Car?

According to SAE International, when a car only has autonomous cruise control , it is considered to be a level 1 autonomous car. In contrast, a vehicle with autonomous cruise control and an additional feature, such as lane control, gets classified as a level 2 autonomous car.

How Much Does an Adaptive Cruise Control System Cost?

According to ExtremeTech, The cost of an adaptive cruise control system will vary depending on how many features you want. If you're going to have an ACC with all available features, you should be willing to pay anywhere between $2000 and $2500. If you are looking for minimal cruise control that would benefit speeds of up to 20-25 miles per hour, these more basic ACCs can cost as low as $500. The good news is that as ACC becomes more common, it will most likely reduce in price.

History of Adaptive Cruise Control

U.S. News says Mitsubishi first introduced adaptive cruise control in Japan in 1992 . This was a lidar-based distance detection system that detected objects that were getting too close. It was labeled as 'Debonair' and it was programmed to provide a warning to the driver about oncoming objects. The main difference was that it was the driver's job to apply the brakes and reduce their speed.

However, two years later in 1995, the Mitsubishi Diamante featured an upgraded approach to the Debonair called 'Preview Distance Control.' Unlike the original technology, this laser-powered system could adjust a driver's speed by downshifting or controlling the throttle. The driver was still responsible for applying the brakes.

From the early 2000s onward, big names in the car industry, such as Ford, BMW, Mercedes, Cadillac, Volkswagen, Infinity, Hyundai, Toyota, and Audi, created their versions of adaptive cruise control in their vehicles. These individual features have evolved into a high-tech system with automatic braking and speed control.

Types of Adaptive Cruise Control

Radar-based systems.

According to eInfoChips, radar-based systems work by placing radar-based sensors on or around plastic fascias to detect your vehicle's surroundings. Each radar sensor works together to create a comprehensive picture of the vehicle's proximity to other cars or potentially hazardous objects. This type of sensor can look different depending on the design and model of the car.

Laser-Based Systems

As mentioned by Electronic Design , this type of ACC system operates out of a large black box typically placed in the grille of your vehicle. It uses laser technology to detect the proximity of objects to your car. It does not operate well during rainstorms and other weather conditions.

Binocular Computer Vision Systems (Optical)

According to ExtremeTech, this is a relatively new ACC system put into use in 2013. It uses small cameras that are placed on the back of a vehicle's rearview mirror to detect front-facing objects.

Assisting Systems

Assisting systems are radar-based add-ons that customers can buy together. These pre-crash systems can offer lane control, brake assistance, cruise control, proximity alerts to objects like corners, and steering power.

Multi-Sensor Systems

According to Fierce Electronics , adaptive cruise control systems sometimes integrate more than one type of sensor to aid in a vehicle's operation. Multi-sensor systems incorporate several different sensor types to provide a driver with advanced information. These sensors might include GPS data equipment or cameras to gather information about a vehicle's geographic environment and proximity to other cars.

Predictive Systems

As mentioned by Autoblog, prediction systems are a type of ACC that uses sensory data to predict the actions of neighboring vehicles. This means that your car might slow down to brace for another vehicle suddenly switching lanes and, in doing so, promotes passenger safety.

Adaptive cruise control is evolving each year. Car companies are continuously making adjustments to this technology and, in doing so, creating more common and affordable options that can be purchased with a new car or added to older car models, making driving safer for everyday people.

Information and research in this article verified by ASE-certified Master Technician Keith Canete of YourMechanic.com . For any feedback or correction requests please contact us at [email protected] .

https://www.einfochips.com/blog/why-automotive-companies-should-adopt-radar-based-adas-systems/

https://www.electronicdesign.com/markets/automotive/article/21797633/adaptive-cruise-control-laser-diodes-as-an-alternative-to-millimeterwave-radars

https://www.autoblog.com/2015/01/14/new-honda-smart-cruise-control-predicts-other-motorists-future/

https://www.fierceelectronics.com/components/three-sensor-types-drive-autonomous-vehicles

https://www.extremetech.com/extreme/157172-what-is-adaptive-cruise-control-and-how-does-it-work

https://mycardoeswhat.org/safety-features/adaptive-cruise-control/

https://cars.usnews.com/cars-trucks/what-is-adaptive-cruise-control

https://www.caranddriver.com/features/columns/

https://www.sae.org/

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cruise control system ppt

Adaptive Cruise Control

Safety collision avoidance. automatic auto braking. components of unique feature ... the car is resuming to a previous set speed of 100 mph ... – powerpoint ppt presentation.

  • Irfan - Aaron
  • Separation of Concerns Systems Interaction
  • Automatic Auto Braking
  • Adaptive Deceleration Rate
  • Safety Collision Avoidance
  • ACC Sensors
  • Radar Senses Obstacles in front of host vehicle.
  • Speed Senses Speed of host vehicle.
  • ACC Controller
  • Controls the digital logic of the system
  • ACC Actuators
  • Brake Actuates Brakes of host vehicle
  • Speed Actuates Speed of host vehicle
  • Cruise Actuates Cruise Control of host vehicle
  • User Interface
  • Warning Indicator Emergency Messages
  • Auto Brake Indicator ACC Engaged Message
  • Functionality of unique feature
  • Obstacle Detection
  • Auto Braking
  • Control Transfer
  • Warning Indicator
  • Displays the components of the system and
  • explains the relationships between them.
  • Provides foundations for other Diagrams.
  • Explains system very well.
  • Shows the relationships.
  • Safety Properties
  • Auto Braking must function.
  • Must send warning message.
  • Liveness Properties
  • If a slower moving obstacle is detected the host vehicle eventually slows down.
  • ACC must turn off if crash is unavoidable
  • Results of analysis
  • Model Conversion in Promela
  • Promela Code
  • what kind of analysis did you perform
  • OMT Diagrams analysis
  • High-level features of User Interface
  • Viewing Window
  • Cruise Control
  • Brake Pedal
  • Cruise Control on and set
  • The car is resuming to a previous set speed of 100 MPH
  • At 95 MPH the radar detects a vehicle out at 500ft
  • ACC determines that braking is required
  • Optimal braking level is determined
  • Brakes are applied
  • Automobile slows to match speed of vehicle
  • Radar continues to determine the distance
  • ACC continues this till the radar loses the vehicle
  • Radar loses vehicle
  • Automobile speeds back to preset speed
  • Radar continues its detections

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ADAPTIVE CRUISE CONTROL SYSTEM

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adaptive cruise control

Adaptive Cruise Control

Aug 24, 2014

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Adaptive Cruise Control. Gurulingesh R. KReSIT, IIT Bombay. Advisor(s): Prof. Krithi Ramamritham Prof. S. Ramesh Prof. Kavi Arya. Overview. Introduction Components Design Implementation Results and Observations Further Work References Demo/Video. Goals of the Project.

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Adaptive Cruise Control Gurulingesh R. KReSIT, IIT Bombay Advisor(s): Prof. Krithi Ramamritham Prof. S. Ramesh Prof. Kavi Arya

Overview • Introduction • Components • Design • Implementation • Results and Observations • Further Work • References • Demo/Video

Goals of the Project • Study the ACC application and to identify • Components • Algorithms • Real-Time Issues • Real-Time approach to Design • Setup a basic platform

Introduction to ACC • Extension of Cruise Control. • Operates either in • Distance Control state • Speed Control state Des_Dist = Host_Vel * Timegap + ∆ where Host_Vel is Host Vehicle velocity TimeGap is set by the driver ∆ for additional safety

Requirements • Functional: • Detect leading vehicle. • Maintain desired speed. • Maintain desired timegap. • Communicate actions to User Interface • Non-Functional (timing constraints): • Response Time • Data update rate and so on… • ISO Limitations: • mean dec ≤ 3.0 m/s2(over 2 s), • acceleration ≤ 2 m/s2

Overview • Introduction • Components • Design • Implementation • Results and Observations • Further Work • References

Components of ACC • Sensors: • Four Wheel Sensors, Brake Pedal Sensor, Throttle Pedal Senor, Radar … • Actuators: • Brake Actuator, Throttle Actuator. • Controllers: • High level & Low level controller. • Communication Medium USER INTERFACE SENSOR FUSION SENSOR TAC TA CONTROL UNIT TARGET DETECTION TARGET TRACKING RADAR BAC BA

Functionality and Data Flow

Controller State Diagram • State Variables • Current speed • Cruise Status • Brake • Throttle • Leading Vehicle • Driver Intervention Possible Events: Curr-speed > 25 km/h Radar contact found Driver intervention Lead-distance > safe-dist and so on.

State Switching Issue • When to switch state? S-to-D: Curr_Dist < TimeGap * Host_Vel + ∆ D-to-S: (Host_Vel > Des_Vel) || (Curr_Dist ≥ TimeGap * Host_Vel + ∆) • Chattering S-to-D: Curr_Dist < TimeGap * Host_Vel + ∆ - hyst D-to-S: (Host_Vel > Des_Vel) || (Curr_Dist ≥ TimeGap * Host_Vel + ∆ + hyst && RoD ≤ 0 && RoD ≥0) where RoD is Rate of change of Distance

Task and Data Items • Tasks: WheelTi(1≤i≤4), SpeedT, RadarT, DriverT, SwitchT, ExceptionT, AdjLaneT, FrictionT, AdaptT, ModeSwT. • Data Items: WheelSpeed[wi], HostVel, LeadVel, LeadDist, RoadType, LeftLane[vi, di], RightLane[vi, di], DesAcc, DesSpeed.

Dist … … … Time Issues • Dynamically varying data Prepare for the Worst Over-Sampling

Issues (cont…) • When to Update Unnecessary Updates

Issues (cont…) • All Tasks and Data throughout the system operation?? • AdaptT when lead car is near • AdjLaneT, TimeLeftT when car is far Poor CPU utilization Scheduling Overhead Not modular

Approach • Mode-Change System • Exclusive modes of operation • Mode change leads to: • Addition of a task • Change in frequency of execution • Deletion of a task • Data Repository (Neera Sharma) • updates in response to changes in the data items (on-demand update).

Approach (cont…) • Mode-Change System • Dynamically varying data • All Tasks and Data throughout the system operation • Data Repository • Dynamically varying data • Derived Data Items

Issues • With mode-changes: • How many modes • What triggers mode change • When to switch mode • Chattering • Mode-change delay • Schedulability • With Data Repository • How many levels • When to update

Solution to mode-change • How many? • Two: Safety-Critical(SC), Non-Safety Critical(NC) • When to switch? • Finish task execution. • Mode-change delay • Bounded by longest periodicity task. • Schedulability • Static checking.

Solution to mode-change… • What triggers mode change? LeadDist • OR RoD • OR • LeadDist & RoD

Solution to mode-change… • Chattering • In SC Mode: (Safe_Dist+ < Curr_Dist ≤ Follow_Dist-) || (Follow_Dist+ < Curr_Dist ≤ Radar_Dist && RoD = DECR-FAST) || (Follow_Dist- < Curr_Dist ≤ Follow_Dist+ && Curr_Mode = SC) • In NC Mode: (Follow_Dist+ < Curr_Dist ≤ Radar_Dist && RoD ≠ DECR-FAST) || (Follow_Dist- < Curr_Dist ≤ Follow_Dist+ && Curr_Mode = NC)

Solution to Data Repository • How many levels Example: First-Level: Raw data from radar, wheel sensor, etc… Second-Level: Host Velocity, Lead Distance, etc…

Solution to Data Repository… • When to update First-Level: Continous Second-Level: On-Demand based on R(d)

Scheduling • Mode-Change approach • All Tasks are identified in advance. • All tasks are periodic. • RMS • Data Repository approach • Aperiodic tasks. • Guarantee to aperiodic tasks. • CBS

Implementation • Hardware • Ultra-sonic Distance Meter (UDM) • Purpose: leading vehicle distance • Range: 1.3m • Accuracy: ± 2.5cm • Sampling Rate: 1 per sec • Shaft Encoder (ENC) • Purpose: Host Velocity • Resolution: 1 cm per step • Communication (PC Robot) • Printer Port Ver – 1: Leader and Follower Hardware Expert: Sachitanand Malewar

Follower Version-2 Front view Side View • UDM • Range: 2m, Accuracy: ± 1cm, Sampling Rate: 10 per sec • Shaft Encoder • Resolution: 0.4cm

Software Implementation • Two-Level Repository Approach • CBS Scheduling

Mode-Change Approach Same task structure with: dummy tasks in each mode. Mode-switch task. All Tasks are periodic. RMS Scheduling Mode change after the completion of least priority task. Delay bounded by its periodicity. Software Implementation …

Mode-Change Approach (cont…) Task Periodicity (in seconds): UDM_WR: 0.2 ENC_WR: 0.3 UDM_RD, UDM_VEL: 0.4 ENC_RD: 0.6 CTRL_TASK: 0.7 MODE_SW: 0.4 ( = UDM_RD) Software Implementation …

Software Implementation … • Data Logging: • RT-FIFO RTLinux Architecture

Results & Observations • Cruise Control Operation • Set speed = 35 m/s2 • Open-loop lower controller • Shaft encoder error

Results & Observations… • Constant Leading Distance • LeadDist = 63 cm • Timegap = 1.8 s

Results & Observations… • Linear Increase-Decrease • Timegap = 1.5 s

Results & Observations… • Two-Level Repository • Tested for UDM_RD Task • Lead Dist = 69 cm

More Experiments… • Effect of mode-change delay • Improve in CPU utilization • LeadDist, RoD values • Periodicity of tasks, data update rate • Chattering b/w SC-NC Mode Switching BETTER VEHICLE

Further Work • More experiments to evaluate the design. • Implementing two-level repository on Real-Time Data Base. • Is printer port good enough or need for RT-Communication (TTP/TTCAN/CAN). • Merging with Lane Changing. • Inter-Vehicle communication. • Formal modeling using UPPAAL/KRONOS.

Goals Revisited • Study the ACC application and to identify • Components • Algorithms • Real-Time Issues • Real-Time approach to Design • Setup a basic platform

References • Petros Ioannou; Cheng-Chih Chien. “Autonomous Intelligent Cruise Control”. IEEE Trans. On Vehicular Technology, 42(4):657-672, 1993. • Thomas Gustafsson; Jörgen Hansson. “Dynamic on-demand updating of data in real-time database systems”. In Proceedings of ACM SAC 2004. • Gerhard Fohler; “Flexibility in Statically Scheduling Real-Time Systems”. PhD Thesis, Technischen Universitat Wien Austria, Apr. 1994. • L. Sha; R. Rajkumar; J. Lehoczky; K. Ramamritham. “Mode Change Protocols for Priority-Driven Preemptive Scheduling”. Technical Report: UM-CS-1989-060, University of Massachusetts   Amherst, MA, USA.

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Adaptive Control

Adaptive Control

Adaptive Control. Automatic adjustment of controller settings to compensate for unanticipated changes in the process or the environment (“self-tuning” controller) --- uncertainties ---nonlinearities --- time-varying parameters Offers significant benefits for difficult control problems.

1.02k views • 56 slides

Adaptive Cruise Control

DeVvrat YMCAUST, Faridabad. Adaptive Cruise Control. Advisor(s): Dr. Munish Vashishth Mr. Dushyant Singh. Problem Statement . The main problem regarding the normal Cruise Control technology is that it is not aware of other vehicles’s movement

978 views • 30 slides

Chapter 6 Adaptive Cruise Control (ACC)

Chapter 6 Adaptive Cruise Control (ACC)

Chapter 6 Adaptive Cruise Control (ACC). Introduction to ACC.

318 views • 14 slides

Adaptive Cruise Control (ACC)

Adaptive Cruise Control (ACC)

Adaptive Cruise Control (ACC). ELG 4152 Project Professor Riadh Habash TA: Fouad Khalil. Group Memebers: Mirza Abdel Jabbar Baig (3256498) Mohammad Ali Akbari (3299852) Navid Moazzami (3413826) Hasan Ashrafuzzaman (3384661). Reference.

778 views • 18 slides

Cooperative Adaptive Cruise Control

Cooperative Adaptive Cruise Control

Cooperative Adaptive Cruise Control. SE 610 Team B 12/2/09. Outline. Introduction Conceptual View Module View Code View Execution View Flow and Scheduling Analysis Lessons Learned Questions. Context Diagram. CACC Document Architecture. Team inexperience with CACC technology.

521 views • 16 slides

Co-operative Adaptive Cruise Control(CACC)

Co-operative Adaptive Cruise Control(CACC)

Co-operative Adaptive Cruise Control(CACC). Anirudha U. Bodhankar Roll no. 04329003, MTech04 KReSIT, IIT Bombay. Adaptive Cruise Control. Independent device. Has control over acceleration and breaking. Use sensors to detect vehicle ahead and estimates its velocity.

534 views • 11 slides

Adaptive Control

Adaptive Control. Neural Networks 13(2000): Neural net based MRAC for a class of nonlinear plants M.S. Ahmed. Introduction. Controller parameters are needed to be modified against the change in the operating point

519 views • 24 slides

Fuzzy Cruise Control

Fuzzy Cruise Control

Fuzzy Cruise Control. Fuzzy Cruise Control. J. Yen and R. Langari, Fuzzy Logic: Intelligence, Control, and Information ( Prentice Hall, Upper Saddle River, New Jersey, 1999 ).

698 views • 16 slides

Cruise Control

Cruise Control

Cruise Control. Karen Lie Engr 315. Outline. Introduction to Cruise Control CC Modeling CC Simulation Introduction to Adaptive Control ACC Modeling ACC Simulation. Cruise Control System. Input: buttons on the steering wheel, brake, clutch, gas pedal and feedback signal Processor

427 views • 22 slides

Team 3 Adaptive Cruise Control

Team 3 Adaptive Cruise Control

Team 3 Adaptive Cruise Control. Outline. Reintroduction Feasibility Engineering Analysis Design Norms Major Obstacles Overcome Obstacles Yet to Overcome Decisions Significant Changes. Team 3: Members. Erik Barton Nate Barker Nate Sportel Bryan Bandstra Chris Vonk.

235 views • 13 slides

Adaptive Cruise Control

Adaptive Cruise Control. ACC - 03 Irfan - Aaron Tom Hand. Unique Features of System. Separation of Concerns – Systems Interaction. Automatic – Auto Braking. Adaptive – Deceleration Rate. Safety – Collision Avoidance. Components of unique feature. ACC Sensors

465 views • 12 slides

Motorcycle Cruise Control

Motorcycle Cruise Control

Cam Lock Throttle control system by Motorcycle Accessory Design Co. is a simply elegant throttle lock device for easing stress on motorcycle riders hand and wrists. This device is made from billet aluminium and stainless steel. Works with Kuryakyn grips and many other aftermarket grips. Adapts to the Valkyrie Interstate as well as most Honda Motorcycles with 1” handlebars. The “Cam-Lock” works with Kuryakyn Iso-grips that utilize the OEM white plastic internal tube/sleeve.

223 views • 3 slides

Advanced Safety Feature- Adaptive Cruise Control

Advanced Safety Feature- Adaptive Cruise Control

Among the recent advancements in car safety technologies, the adaptive cruise control feature is one of the most important and useful. It greatly minimizes the pressure of the driver as it helps to control the speed of the car and maintains a safe distance from other cars to avoid a crash. But still, this adaptive control should not be used in bad weather conditions and in tunnels as they might not work efficiently. So, if you want to know all about the adaptive cruise control system in your car, then give some time to watch the following slide show.

256 views • 22 slides

Automotive Adaptive Cruise Control System Market

Automotive Adaptive Cruise Control System Market

This report, from Stratview Research, studies the adaptive cruise control system market in the global automotive industry over the period 2016 to 2021.

120 views • 11 slides

Intelligent Cruise Control

Intelligent Cruise Control

Intelligent Cruise Control. Timothy Egan Phillip Elliot Kerry Frisby Ali Nazar Hussian Michael Janda. Organization. Outline. Societal Issues and Background Solution Goals and Objectives Management Plan Budget and Funding Marking Questions. Societal Problem.

582 views • 54 slides

Presentation  on Real Time Systems and Adaptive Cruise Control

Presentation on Real Time Systems and Adaptive Cruise Control

Presentation on Real Time Systems and Adaptive Cruise Control. Roadmap. Introduction to RTS Problem Definition / Motivation Adaptive Cruise Control (ACC) Driver Models Functional Model &amp; Task Model Extensions to Functional Model Conclusion &amp; Future Work References. F2.

363 views • 32 slides

Adaptive Cruise Control Market Analysis  Growth 2019-2026

Adaptive Cruise Control Market Analysis Growth 2019-2026

Increasing number of vehicle accidents globally is one of the drivers for the growth of the Adaptive Cruise Control (ACC) market.

71 views • 6 slides

Automotive Adaptive Cruise Control Market | 2023-2033

Automotive Adaptive Cruise Control Market | 2023-2033

Access our detailed report at: https://www.researchnester.com/reports/automotive-adaptive-cruise-control-market/4600 By vehicle type, the global automotive adaptive cruise control market is segmented into passenger vehicles and commercial vehicles. The passenger vehicles segment is to garner a highest revenue by the end of 2033 by growing at a CAGR of ~ 6% over the forecast period. A rise in the number of battery-only electric passenger cars.

47 views • 4 slides

Adaptive Cruise Control (ACC) System Market PDF

Adaptive Cruise Control (ACC) System Market PDF

Adaptive Cruise Control (ACC) System Market by Technology (Infrared Sensor, Laser Sensor, Image Sensor, Radar Sensor, Ultrasonic Sensor, and LiDAR Sensor), by Sales Channel (OEM and Aftermarket) and by Vehicle Type (Passenger Vehicle, Commercial Vehicle, and Electric Vehicle): Global Opportunity Analysis and Industry Forecast, 2021u20132027

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Automotive Adaptive CruiSE Control Market

Automotive Adaptive CruiSE Control Market

Data Bridge Market Research analyses that the automotive adaptive cruise control market will exhibit a CAGR of 8.90% for the forecast period of 2021-2028.

2 views • 6 slides

IMAGES

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  6. Adaptive cruise control system by NIKHIL R

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COMMENTS

  1. Cruise control systems

    1 of 21 Download Now Recommended Adaptive cruise control Jinu Joy Adaptive cruise control system by NIKHIL R Nikhil Kashyap Adaptive cruise control Muntathir Al-Turaifi Cruise control & Adaptive Cruise Control ANAND THAKKAR Adaptive cruise control VIBHOR RATHI Embedded system in automobile Aali Aalim More Related Content What's hot (20)

  2. PDF Adaptive Cruise Control Design draft1p3

    Adaptive Cruise Control (ACC) is an automotive feature that allows a vehicle's cruise control system to adapt the vehicle's speed to the traffic environment. A radar system attached to the front of the vehicle is used to detect whether slower moving vehicles are in the ACC vehicle's path.

  3. Adaptive cruise control

    Oct 18, 2014 • 38 likes • 15,019 views Automotive Adaptive cruise control (ACC) provides assistance to the driver in the task of longitudinal control of their vehicle during motorway driving within limited acceleration ranges.

  4. Cruise control

    Cruise control | PPT Cruise control haseeb muhsin B TECH MECHANICAL at Consta Innovation Nov 13, 2016 • 3 likes • 2,283 views Automotive Adaptive Cruise control....best ppt i had ever made Haseeb km s3 me Muthoot Institute of technology and science 1 of 32 Download Now Recommended

  5. How Cruise Control Systems Work

    The cruise control system controls the speed of your car the same way you do -- by adjusting the throttle position.But cruise control actuates the throttle valve by a cable connected to an actuator, instead of by pressing a pedal.The throttle valve controls the power and speed of the engine by limiting how much air the engine takes in (see How Fuel Injection Systems Work for more details).

  6. Chapter 3

    1.Control System Theory A cruise control system needs to accelerate to the desired speed in a short time without overshooting the speed of the car. Also, it needs to maintain the speed with little deviation, when the car is driving up or down a steep hill. The cruise control system in a vehicle is studied in details. FIRST- control concepts in ...

  7. Adaptive Cruise Control

    Adaptive Cruise Control - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Adaptive CRUISE CONTROL (acc) adapts the vehicle's speed to the traffic environment. Radar system attached to the front of the vehicle is used to detect slower moving vehicles that are in The ACC vehicle's path.

  8. Adaptive Cruise Control PowerPoint and Google Slides Template

    Advanced Driver Assistance System. $5.00. Add to Wish List Add to Compare. Compressed Air Car. $5.00 ... Our Adaptive Cruise Control (ACC) presentation template for MS PowerPoint and Google Slides is an ideal pick to depict the advanced automotive technology that automatically adjusts a vehicle's speed and brake to ensure a secure gap from the ...

  9. How Does The Cruise Control System In Cars Work?

    The cruise control system controls the speed of your car the same way you do - by adjusting the throttle (accelerator) position. However, cruise control engages the throttle valve by a cable connected to an actuator, rather than by pressing a pedal. The throttle valve controls the power and speed of the engine by limiting how much air it ...

  10. What Is Adaptive Cruise Control?

    Adaptive cruise control (ACC) is a system designed to help vehicles maintain a safe following distance and stay within the speed limit. This system adjusts a car's speed automatically so...

  11. Adaptive Cruise Control System

    Adaptive Cruise Control System - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. ... Save Save Adaptive Cruise Control System For Later. 0 ratings 0% found this document useful (0 votes) 183 views 17 pages.

  12. Adaptive cruise control system by NIKHIL R

    Apr 29, 2014 • 53 likes • 25,402 views Engineering Business Travel Here is a PPT on adaptive cruise control system. All ready to use and present. Go ahead download it and enjoy. Do well in your seminar. Good luck. 1 of 20 Download Now Recommended Adaptive cruise control VIBHOR RATHI Adaptive Cruise control Shijo T Daniel

  13. Cruise Control

    Cruise Control System Input buttons on the steering wheel, brake, clutch, gas pedal and feedback signal Processor

  14. Adaptive Cruise Control

    Growing Demand of Cruise Control System Over 5 Years - Cruise control is an idiosyncratic feature in the vehicle that regulates the speed of the car automatically. With this great feature, a motorist can maintain a constant speed during the ride without his interference. ... Electronic Stability Control System Market PPT: Demand, ...

  15. PPT

    PPT - Adaptive Cruise Control PowerPoint Presentation, free download - ID:2947771 Presentation 1 / 30 Download Presentation >> Adaptive Cruise Control Mar 29, 2019 431 likes | 978 Views DeVvrat YMCAUST, Faridabad. Adaptive Cruise Control. Advisor (s): Dr. Munish Vashishth Mr. Dushyant Singh. Problem Statement .

  16. 100+ Conventional cruise control systems PowerPoint (PPT ...

    246 views • 6 slides Load more... View Conventional cruise control systems PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Conventional cruise control systems PowerPoint presentations.

  17. (PDF) Modeling and Design of Cruise Control System with ...

    The cruise control system is one of the most enduringly popular and important models for control system engineering. The system is widely used because it is very simple to understand and yet the ...

  18. Cruise control devices

    2. INTRODUCTION Cruise Control Devices The concept of assisting driver in longitudinal vehicle control to avoid collisions has been a major focal point of research at many automobile companies and research organizations. The idea of driver assistance was started with the 'cruise control devices' 'Adaptive Cruise Control' (ACC) system An 'Adaptive Cruise Control' (ACC) system ...

  19. ADAPTIVE CRUISE CONTROL SYSTEM

    BMW's Active Cruise Control system launched in 2000 in 7-series. Volkswagen and Audi introduced their own systems in 2002. ... Download ppt "ADAPTIVE CRUISE CONTROL SYSTEM" Similar presentations . Request Dispatching for Cheap Energy Prices in Cloud Data Centers.

  20. PDF A Review on Cooperative Adaptive Cruise Control (CACC) Systems

    Every vehicle in the system is equipped with appropriate sensors. Protocol 1: Normal platoon formation. Protocol 2: Merging and splitting maneuvers. Scenario 1: Normal platoon formation. Scenario 2: Platoon restoration from disturbances. Scenario 3: Merging and splitting maneuvers. Scenario 3: Merging and splitting maneuvers.

  21. Adaptive cruise control

    3. Introduction : Cruise Control technology was invented by Mechanical Engineer Ralph Teetor granted patent in 1945. Maintains a steady speed regardless of inclines or declines. Adaptive Cruise Control was in 1990 by William Chundrlik . Currently available in luxury class cars like Mercedes S- class , Jaguar, Volvo ,Baleno etc. 4.

  22. PPT

    PPT - Adaptive Cruise Control PowerPoint Presentation, free download - ID:3514351 Download Presentation 1 / 43 Download Presentation >> Adaptive Cruise Control Aug 24, 2014 1.3k likes | 3k Views Adaptive Cruise Control. Gurulingesh R. KReSIT, IIT Bombay. Advisor (s): Prof. Krithi Ramamritham Prof. S. Ramesh Prof. Kavi Arya. Overview.

  23. Adaptive cruise control

    Adaptive cruise control | PPT Adaptive cruise control VIBHOR RATHI Student at IMI KOLKATA Jan 29, 2014 • 21 likes • 7,496 views Technology Business adaptive cruise control is used to control speed of vehicle and is used to maintain the safe distance between two vehicle 1 of 33 Download Now Ad Ad Ad Ad Ad Ad Ad Ad Ad Ad Ad Ad Ad Ad Ad Ad Recommended