Magic body control
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power point presentation based on the new suspension technology invented by Mercedes Benz called "Magic body control"
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So according to me if you remove the suspension system, then you feel like in bull-cart in Audi, Mercedes, BMW type luxurious cars . The only diffrence is speed.
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ABS SYSTEM
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The document describes the fabrication of a four wheel steering system for a Maruti 800 vehicle. Key points:
- The rear wheels were modified to allow for steering capability by adding a second rack and pinion steering gearbox connected to the original front gearbox via transfer rods and bevel gears.
- In rear steer mode at low speeds, the rear wheels turn in the opposite direction of the front wheels, greatly reducing the turning radius.
- Benefits of the four wheel steering system include improved vehicle handling, stability, and reduced driver fatigue over long drives due to the easier steering capability.
- The successful implementation of the system allows for increased maneuverability and stability of vehicles.
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An automatic transmission uses a torque converter, gear train, and hydraulic system to shift gears automatically based on engine load and vehicle speed. The torque converter connects the engine to the transmission and transfers power through fluid. It multiplies torque for better acceleration. The gear train includes planetary gear sets that provide multiple gear ratios. Hydraulic pressure acts through the transmission fluid to engage clutches and bands, producing gear shifts without driver input as the vehicle speed increases.
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This document summarizes the history and types of electronic power steering systems. It discusses the early developments of power steering in vehicles in the late 19th century. Hydraulic power steering became common starting in the 1950s using hydraulic fluid and actuators to augment steering effort. More recently, electro-hydraulic and electronic power steering have been developed using electric motors and control units instead of hydraulic pumps and fluid. Electronic power steering systems provide variable assistance based on driving conditions and are more energy efficient than hydraulic systems. Future developments may include fully electronic "steer-by-wire" systems without any mechanical linkages between the steering wheel and wheels.
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This document provides an overview of anti-lock braking systems (ABS) including their construction, basic working, and advantages and disadvantages. It describes how ABS uses wheel speed sensors and electronic control units to monitor wheel speeds during braking and regulate hydraulic pressure to prevent wheel lockup, allowing the driver to steer and maintain vehicle control. While ABS provides safety benefits like reduced skidding, it also has some disadvantages such as longer stopping distances if the system malfunctions and requiring regular maintenance.
steering system
A steering system allows a vehicle to follow the desired course by guiding the wheels. It consists of a steering wheel, steering shaft and column, universal joints, and steering arms and ball sockets. The steering system enables the driver to safely steer the vehicle while also reducing effort. Modern systems have improved ease and durability. Common types are recirculating ball gearboxes and rack and pinion systems, which convert rotational motion of the steering wheel into linear motion to turn the wheels.
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The document discusses the anti-lock braking system (ABS). It begins by explaining the problems caused by wheel lockup during braking like loss of vehicle control. The ABS system allows the driver to brake hard and steer at the same time. It works by keeping the wheels from skidding through pressure modulation to maintain traction. The key components of an ABS include hydraulic units to control brake pressure, wheel speed sensors, and an electronic control module. Advanced systems also provide traction control and stability control functions. Statistics show ABS reduces accidents caused by skidding and allows braking on any road surface.
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Automobile safety system
Vehicle safety technology is important for protecting drivers, passengers, and pedestrians. Active safety systems like electronic stability control and passive safety systems like airbags help prevent accidents and minimize injury. Modern vehicles have many advanced driver assistance systems such as blind spot monitoring, lane departure warning, and emergency braking to help avoid collisions. Seatbelts and airbags are critical passive restraints that help limit occupant movement during a crash. Proper tire pressure monitoring and anti-lock braking systems also improve safety.
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It is all about Traction Control and its importance for car safety. The slide presentation will help you to know about the types of traction and the roles of traction control system to optimize the grip and stability of a car on the road while running. Traction definitely causes the friction on tire as well as in braking system of a car.
A seminar on antilock braking system(ABS)
ABS prevents wheels from locking up during braking to maintain traction. It consists of wheel speed sensors, a controller, hydraulic modulator, and braking system. The sensors monitor wheel speed and acceleration. The controller receives sensor signals to calculate wheel speed and slippage. It commands the hydraulic modulator to release or apply brake pressure as needed to each wheel. This allows ABS to maximize braking force for shorter stops while maintaining steering control on slippery surfaces.
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The document discusses the components and operation of antilock braking systems (ABS). ABS uses wheel speed sensors to monitor wheel slippage and an electronic controller to modulate brake pressure and prevent wheel lockup. It controls wheel slippage through electrohydraulic units to maintain optimal tire traction and braking force. The document describes various ABS configurations, components, functions, and limitations to provide maximum vehicle control and stopping power.
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The air brake system uses compressed air to apply pressure to brake pads to stop large heavy vehicles. It has several main components including a brake valve to control air flow, governors to regulate air pressure, air tanks to store compressed air, air compressors to fill the tanks, brake chambers that use air pressure to engage the brakes, and slack adjusters to ensure proper brake clearance.
Active suspension system
Active suspension system
An active suspension is a type of automotive suspension on a vehicle. It uses an onboard system to control the vertical movement of the vehicle's wheels relative to the chassis or vehicle body rather than the passive suspension provided by large springs where the movement is determined entirely by the road surface. So-called active suspensions are divided into two classes: real active suspensions, and adaptive or semi-active suspensions. While adaptive suspensions only very shock absorber firmness to match changing road or dynamic conditions, active suspensions use some type of actuator to raise and lower the chassis independently at each wheel.
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This document discusses various automobile safety systems. It begins by introducing automobile safety and some early studies on improving vehicle safety through seat belts and padded dashboards. It then describes several key active and passive safety systems used in modern vehicles, including airbags, seat belts, anti-lock braking systems, collision warning systems, blind spot detectors, electronic stability control, and cruise control. For each system, it provides a brief explanation of its purpose and functioning to enhance road safety and prevent injuries during accidents.
Active suspension system
This document discusses active suspension systems for vehicles. It begins with an introduction that describes vehicle suspension systems and the conflicts between ride comfort and handling. It then provides figures to illustrate contact patch deformation during cornering and bumps. The document discusses various suspension designs and their effects. Subsequent chapters will cover objectives, methodology, active suspension design including controller, software and hardware design, functions of active suspensions, examples like the Bose system, and recent developments.
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The document summarizes the working of an anti-lock braking system (ABS). It explains that ABS prevents wheel lockup during hard braking, allowing the driver to steer and reducing stopping distances. It works by automatically reducing brake pressure if a wheel slows too quickly compared to others. The history and components of ABS are also outlined, including speed sensors, valves, pump and controller. Advantages include maintaining control on slippery surfaces and higher resale values, while disadvantages are the higher cost and delicate nature of the system.
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Antilock braking systems (ABS) use electronic sensors and controls to prevent wheels from locking up during braking. ABS monitors wheel speed and quickly modulates brake pressure to keep wheels rotating slightly for better steering control. By limiting wheel slip to around 10-30%, ABS improves vehicle stability and reduces braking distances on slippery surfaces compared to standard braking systems. Modern ABS systems have advanced to include traction control and electronic stability control using additional sensors and controls. While improving safety, ABS does increase maintenance costs compared to standard braking.
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The document describes the fabrication of a four wheel steering system for a Maruti 800 vehicle. Key points:
- The rear wheels were modified to allow for steering capability by adding a second rack and pinion steering gearbox connected to the original front gearbox via transfer rods and bevel gears.
- In rear steer mode at low speeds, the rear wheels turn in the opposite direction of the front wheels, greatly reducing the turning radius.
- Benefits of the four wheel steering system include improved vehicle handling, stability, and reduced driver fatigue over long drives due to the easier steering capability.
- The successful implementation of the system allows for increased maneuverability and stability of vehicles.
Automatic Transmission
An automatic transmission uses a torque converter, gear train, and hydraulic system to shift gears automatically based on engine load and vehicle speed. The torque converter connects the engine to the transmission and transfers power through fluid. It multiplies torque for better acceleration. The gear train includes planetary gear sets that provide multiple gear ratios. Hydraulic pressure acts through the transmission fluid to engage clutches and bands, producing gear shifts without driver input as the vehicle speed increases.
Electronic Power Steering (EPS) by Gaurav Raikar
This document summarizes the history and types of electronic power steering systems. It discusses the early developments of power steering in vehicles in the late 19th century. Hydraulic power steering became common starting in the 1950s using hydraulic fluid and actuators to augment steering effort. More recently, electro-hydraulic and electronic power steering have been developed using electric motors and control units instead of hydraulic pumps and fluid. Electronic power steering systems provide variable assistance based on driving conditions and are more energy efficient than hydraulic systems. Future developments may include fully electronic "steer-by-wire" systems without any mechanical linkages between the steering wheel and wheels.
Anti-lock braking system
This document provides an overview of anti-lock braking systems (ABS) including their construction, basic working, and advantages and disadvantages. It describes how ABS uses wheel speed sensors and electronic control units to monitor wheel speeds during braking and regulate hydraulic pressure to prevent wheel lockup, allowing the driver to steer and maintain vehicle control. While ABS provides safety benefits like reduced skidding, it also has some disadvantages such as longer stopping distances if the system malfunctions and requiring regular maintenance.
steering system
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This presentation on the applications of embedded systems in automobiles focusses on the two most prevalent and sought about technologies- ABS and ACC with collison avoidance, the biggest motivation being that these technologies save lives.This discusses the doppler shift in detail.
Presentation.pptx
Adaptive Cruise Control (ACC) allows a vehicle's cruise control to adjust speed based on surrounding traffic detected by radar. If a slower vehicle is detected, ACC will slow the vehicle down to maintain a safe following distance without driver input. ACC works by controlling engine throttle and brakes. It includes components like radar, braking and engine control modules. ACC relieves drivers in traffic but risks accidents if malfunctioning and does not yet enable vehicle cooperation. Further development may lead to vehicles that avoid accidents through comprehensive sensor systems.
anti lock braking system
The document is a report on anti-lock braking systems that describes what ABS is, how it works, its main components, and advantages. It explains that ABS uses sensors and controllers to rapidly apply and release brakes when wheels start to lock up in order to prevent skidding and allow the driver to steer during emergency braking. The report concludes that ABS significantly improves vehicle safety and control during hard braking events.
Presentation on driverless cars by shahin hussan
This document discusses driverless car technologies including how cars will detect traffic lights using light sensors, technologies that enable fully autonomous systems like ABS and electronic stability control, and how vehicles will be controlled. It also covers cruise control, night vision, lane departure warning, adaptive high beams, self-parking, rear cameras, and automated guided vehicle systems. The goal of driverless cars is to reduce accidents by taking on driving tasks and allowing occupants to rest or focus on other things.
Abs
ABS prevents wheels from locking and skidding during braking by regulating brake pressure through the use of sensors, valves, pumps, and a controller. It monitors wheel speed and reduces pressure if a wheel is close to locking, then reapplying pressure in a pumping motion. This allows steering control to be maintained under heavy braking on slippery surfaces. While ABS improves safety, it also increases costs and requires delicate components. Overall, ABS provides significant benefits and should be mandatory equipment on all vehicles.
Abs learning
The document provides information about an antilock braking system (ABS), including its objectives, components, and operation. It discusses how ABS works to prevent wheel lockup and maximize traction during braking by regulating brake pressure. It describes the key components of ABS, including electronic control units, hydraulic modulators, wheel speed sensors. It also outlines how ABS is tested and faults diagnosed using a laptop interface kit connected to the vehicle's ABS controller.
Anti-lock Braking System
The document discusses anti-lock braking systems (ABS) which use electronic control to prevent wheels from locking during braking. ABS monitors wheel speed and modulates brake pressure to keep wheels rotating up to 15 times per second to maintain stability and steering control. It describes the basic components of ABS including hydraulic components like valves and accumulators, and electronic components like sensors and control modules. Different types of ABS are also outlined along with the benefits of ABS in increasing vehicle stability and control during braking. More advanced systems like automatic traction control and electronic stability control are also introduced.
Automative techo
The document discusses various advanced automotive technologies used to improve fuel efficiency, including automated manual transmissions (AMT) and continuously variable transmissions (CVT) that reduce driveline losses. It also describes integrated starter/generator (ISG) systems that turn off the engine at stops to reduce idling losses and use regenerative braking to recover braking energy. The document provides details on how anti-lock braking systems and airbags work to improve vehicle safety.
Automotive safety systems - Yugandhar
The document discusses automotive safety systems. It begins by outlining the need for safety systems to reduce accidents and injuries. It then covers the evolution of vehicle safety features from the early 20th century to modern systems. Key active safety systems are described like collision warning, stability control and blind spot detection which help prevent accidents. Passive safety systems like airbags, seatbelts and crumple zones are also summarized, which protect during crashes. The document concludes by noting future integrated safety systems will further improve protection.
Embedded
An embedded system is a dedicated computer system that performs specific tasks. An important application of embedded systems is anti-lock braking systems (ABS) in automobiles. ABS uses sensors and electronic control modules to monitor wheel speed and automatically modulate brake pressure to prevent wheel lockup and maintain steering control during emergency braking. By preventing skidding, ABS can help drivers stop more safely and shorten stopping distances on wet or slippery surfaces compared to standard brakes. ABS works by pulsing the brakes rapidly when it detects a wheel is about to lock up, which allows the wheel to continue turning and maintaining traction with the road.
Autotronics
The document discusses the history and applications of automotive electronics or "autotronics". It begins with an introduction defining autotronics as the combination of automobiles and electronics. The history section outlines major milestones from the 1970s introduction of engine controls to modern innovations in infotainment and connectivity. The body details various electronic systems in braking, steering, suspension, transmission, and engine/fuel systems. It concludes by discussing ongoing research in active safety systems, vehicle communication, and adaptive technologies.
Cruise contro in car
An adaptive cruise control system for cars is presented. The system uses an ultrasonic distance sensor and microcontroller to automatically control the speed of the host vehicle based on the distance to the vehicle ahead. It maintains a safe distance without driver intervention. The system alerts the driver if the vehicle needs to slow down or speed up to maintain the safe distance. It was designed to avoid accidents and alert drivers to speed limits to enable safe travel.
abs
1) The document describes an anti-lock braking system (ABS) which uses sensors and controllers to prevent wheels from locking during braking. It modulates brake pressure to keep wheels rotating just before the lockup point, allowing steering control during heavy braking.
2) The ABS components are described including electronic control unit, hydraulic control unit, wheel sensors. The working involves isolating brake pressure from wheels about to lock to allow them to rotate freely again.
3) A mathematical model and Simulink model are presented. Results show vehicle stopping distance is reduced with ABS compared to without ABS due to better traction from controlled wheel slip.
AbS PpT.pptx
1) The document describes an anti-lock braking system (ABS) which uses sensors and controllers to prevent wheels from locking during braking. It aims to allow steering control and minimize stopping distances.
2) The key components of ABS are electronic control units, hydraulic modulators, wheel speed sensors, and a power booster. It monitors wheel speeds and modulates brake pressure to keep wheels rotating just before the lock point.
3) Simulation results show ABS is effective, maintaining wheel rotation and reducing vehicle stopping distance compared to conventional braking without ABS. Slip levels are also better controlled with ABS.
ICIECA 2014 Paper 13
This document proposes an automatic braking and airbag safety system for two-wheelers. It describes using an ultrasonic sensor to monitor distance to obstacles and apply brakes automatically via a solenoid if the distance becomes too small at high speeds. A gyroscope would detect loss of balance after braking and inflate an airbag made of strong, heat-resistant material like Kevlar to prevent injury. The system aims to prevent collisions and protect riders during accidents using sensors, microcontrollers and inflatable safety devices. Coding challenges for the automation are acknowledged.
AntilockBrakingSystem.pdf
The document discusses the Antilock Braking System (ABS). It begins by explaining that ABS prevents brakes from locking during braking by modulating brake pressure. It then describes the key subsystems of ABS, including wheel speed sensors, electronic control unit, and hydraulic pressure modulator. The document outlines the importance of ABS in improving vehicle stability, steerability, and reducing stopping distances. It concludes by stating that ABS helps drivers maintain control of their vehicle under hard braking conditions on slippery roads.
Embedded system in automobile
1. The document discusses embedded systems used in automobiles, including components like airbags, ABS, traction control, adaptive cruise control, and drive-by-wire systems.
2. It describes how various automotive safety and driver assistance systems work, such as how airbags restrain passengers on impact based on Newton's laws, and how ABS sensors and control units prevent wheel lockups.
3. Embedded systems in cars provide sophisticated functionality to run algorithms and interfaces while meeting deadlines, at low power and cost to implement technologies like dynamic stability control and adaptive cruise control with collision warning.
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Magic body control
- 1. MAGIC BODY CONTROL Seminar Guide, Presented by, Mr. Jithu J Sooraj k Asst. Professor Roll no:64 Mechanical Dept.
- 2. SCHEME OF PRESENTATION Introduction Classification Magic body control Components Working Driving modes Comparison Vehicle performance Equipped vehicles Merits and demerits References 2
- 3. INTRODUCTION What is suspension system? System which isolating automobile from road shocks Consist of springs, dampers, Tires Objective of suspension system To prevent the road shocks transmitted To safeguard occupants and passengers from road shock To preserve stability 3
- 5. WHY MAGIC BODY CONTROL? With the world’s first suspension system with “eyes”. Like riding on a flying carpet. Satisfying all requirements. A magical combination. 5
- 6. 6 o Magic body control suspension system is an electronically controlled active suspension system o A stereo camera on the wind screen continually monitor the road surface. oTogether with the information on the driving conditions, the control unit continually calculates the best control strategy for dealing with unevenness in the road o Created by Mercedes-Benz o Project Manager is Stefan Cytrynski.
- 7. COMPONENTS Electronic control unit(ECU) Stereo camera Reservoir Sensors Hydraulic servo mechanism Coil springs and Shock absorbers 7
- 8. 8
- 9. STEREO CAMERA 9 Located on wind screen Continually monitor the road surface ahead 15 meters
- 10. ELECTRONIC CONTROL UNIT (ECU) Calculates the current driving status Independent controlling of shock absorbers 10 RESERVOIR Used to store oil Supplies the oil to the servomechanism as per the command of ECU
- 11. SENSORS The sensors continually monitor body movement and vehicle level and supply the controller with new data every ten milliseconds Four level sensors, one at each wheel measure the ride level of the vehicle 11
- 12. 12 Three acceleration sensors called longitudinal, lateral, vertical acceleration sensors The Longitudinal Acceleration Sensor reports acceleration and deceleration. The Lateral Acceleration Sensor detects transverse or side-to-side movements. Three Vertical Acceleration Sensors detect lifting motion and pitch and roll of the body.
- 13. HYDRAULIC SERVO MECHANISM It is a mechanism that uses automatic feedback and hydraulics to correct the performance of a machine ECU directs the hydraulic servomechanisms on how to correct the car's positioning. 13
- 14. COIL SPRINGS AND SHOCK ABSORBERS Coil spring is the most common type of spring found on modern vehicles Low cost and compact size Shock absorber keeps the suspension from continuing to bounce after spring compression and extension 14
- 15. 15
- 16. WORKING The stereo camera scan the road surface and provide corresponding signals to the ECU. ECU determines the amount of pressure to be built in servo mechanism according to various signals from sensors 16
- 17. 17 The sensors and hydraulic servo mechanism generates forces to counteract the effects of the road surface. By these combination the suspension take action before the wheels reach them.
- 18. DRIVING MODES 18 Comfort sport
- 19. COMFORT MODE Sensitive response and soft damping characteristics The suspension level is automatically adjusted depending on the road speed. Vehicle is lowered by ten millimeters at speeds over 120 km/h 19
- 20. SPORT MODE Shock absorbers have more stiffer response than comfort mode Vehicle is lowered by10 millimeters at speeds below 120km/h Besides these driving modes driver is able to select a suspension setting raised by 30 millimeters. 20
- 22. 22 Reduced rolling tendency
- 24. EQUIPPED VEHICLES Mercedes-Benz S class Rolls Royce Ghost 24
- 25. 25 MERITS Stability at all time High level of ride comfort Minimizing uncomfortable body movements Successful elimination of roll and pitch DEMERITS High initial cost Malfunctioning can lead to a big collapse Require super quick micro-computers
- 26. REFERENCES “Automobile engineering” by Dr. Kripal Singh “Fast track” magazine A journal on modern suspension systems by Ishan Raghava www.mercedes-benz.com www.automobilemag.com https://media.daimler.com/dcmedia 26