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A start-stop system off button on a Perodua Myvi. A vehicle start-stop system or stop-start system (also known as S&S, micro hybrid, or micro hybrid electric vehicle (μHEV)) [1] automatically shuts down and restarts the internal combustion engine to reduce the amount of time the engine spends idling, thereby reducing fuel consumption and emissions.
Autonomous: the system acts independently of the driver to avoid or mitigate the accident. Emergency: the system will intervene only in a critical situation. Braking: the system tries to avoid the accident by applying the brakes. Time-to-collision could be a way to choose which avoidance method (braking or steering) is most appropriate. [6]
Volvo cars can also be equipped with the City Safety System which automatically brakes in stop start traffic. Mercedes-Benz also has a similar system called Distronic Plus. Both the Volvo and the Mercedes-Benz radar systems are also used for the speed/distance regulated cruise control systems used by both manufacturers.
While conventional traction control systems at the time featured only a slip control function, Mitsubishi's TCL system had an active safety function, which improved course tracing performance by automatically adjusting the traction force (called "trace control"), thereby restraining the development of excessive lateral acceleration while turning.
An anti-lock braking system (ABS) is a safety anti-skid braking system used on aircraft and on land vehicles, such as cars, motorcycles, trucks, and buses. [1] ABS operates by preventing the wheels from locking up during braking, thereby maintaining tractive contact with the road surface and allowing the driver to maintain more control over the ...
These systems also required pressure lines to each cylinder (in the doors, as well as on certain cars, to the power seat and a power operated convertible top). Because of the complexity, the system could also leak fluid. Many modern cars have a time delay feature, first introduced by Cadillac in the 1980s, called "retained accessory power ...
Once set, the driver must keep the clutch pedal fully depressed but may remove the foot from the brake pedal. To disengage the system and move the car forward, the driver selects first gear, gently depresses the gas pedal, and slowly releases the clutch pedal which at a point in its travel releases the braking system, allowing the car to proceed.
The predecessor of modern electronic traction control systems can be found in high-torque, high-power rear-wheel-drive cars as a limited slip differential.A limited-slip differential is a purely mechanical system that transfers a relatively small amount of power to the non-slipping wheel, while still allowing some wheel spin to occur.