Electronic Stability Program is a system of dynamic stabilization of a car, preventing the development of drift or minimizing it. Even if the car fails to leave on the road, he will hit the front bumper to the barrier, and thus will save the life of passengers.
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The ESP system practically constantly interacts with the anti-bux system (ABS) and an electronic power control unit, thereby forming a single system that consists of an electronic controller and sensor set: the wheel rotation speed sensor, the brake fluid pressure sensor, the steering position sensor. This Alliance provides contraloan events.
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Transverse acceleration sensors and angular velocity transmit basic data to the system, the lateral slip indicators are calculated on their basis. The system leads to continuous monitoring of the velocity of the car, which is at the moment the engine turnover, as well as the angle of rotation of the steering wheel.
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Electronic block, processing sensor signals, compares the behavior of the machine with the program. If it differs significantly from the programmed, the controller perceives this fact as a dangerous situation and takes measures to correct it.
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The system returns the machine to the desired course using the selective braking of one of the wheels or several, in terms of the situation. The main function in this process performs the absodulator ABS, which creates the required pressure in a particular brake system, which, in turn, causes car braking.
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ESP is always in working condition, the algorithm of its actions is determined by the peculiarities of a particular situation and the construct of the car transmission. For example, the sensor of the angular acceleration during the passage of rotation was determined by the moment of starting the rear axle. It gives the command to a power unit control unit to reduce the amount of fuel mixture. If these measures are not enough, ABS, in accordance with the specified program, slows down the external front wheel.
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Say more, ESP on cars with automatic transmission can also adjust the gearbox - for example, include a lower gear, or activate the "winter" mode, if provided.
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On a slippery road drivers are taught to use intermittent braking and search engine taxiing to feel steering front wheels and successfully overcome the obstacle. With the ESP system is enough to lock the two legs to press the brake pedal and the clutch and turn the steering wheel in the direction where we want to go, all the rest of us to make electronics. By doing so, vehicles without ESP beating of obstacles and automated cars, successfully maneuvering, do their job. Even among professional drivers very few people who can operate the machine as it makes the ESP.
ESP plays a huge role in the car's safety point of view. But do not forget that the opportunities are not unlimited ESP - the laws of physics can not be evaded, and all possible situations on the road can not be foreseen. Every driver must remember that ESP does not relieve him from the obligation to careful driving and compliance with traffic rules.
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