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What an ESP system is and why is it important in the vehicles.

What an ESP system is and why is it important in the vehicles. on USautoportal (img 1)

Most automobile makers abbreviate it as the ESP (Electronic Stability Program), and individual brands call it in their own way:

Toyota - VSC (Vehicle Stability Control);

Jaguar, Land Rover, BMW, and Mazda - DSC (Dynamic Stability Control);

Infiniti, Nissan, Subaru - VDC (Vehicle Dynamic Control).

Volvo - DTSC (Dynamic Stability Traction Control);

Honda, Volvo, Kia and Hyundai - ESC (Electronic Stability Control);

Honda, Acura - VSA (Vehicle Stability Assist);

What an ESP system is and why is it important in the vehicles. on USautoportal (img 2)

All names mean the same thing - it's an electronic active safety system that provides road-holding ability during the movement of the car and prevents the sidewise skidding. The Electronic Stability Program is available in basic configurations of many modern car models, and it is offered in almost any vehicle as an option. In most cases, it is, by the way, deactivated using the button.

The ESP controller unit works in connection with anti-locking brake system (ABS) and traction control system (TCS), constantly processing their signals and analyzing the wheel speed, steering position, and pressure in the braking system. If the program defines that the car leaves the specified trajectory, the ESP will solve its main task — it should return the car to the required direction. It will issue a command for a selective braking of one or more wheels and adjust the fuel supply.

What an ESP system is and why is it important in the vehicles. on USautoportal (img 3)

The system of roadholding operates constantly and in any mode of movement. The algorithm of its operation depends on the specific situation and type of vehicle drive. For example, with a high-speed turn, the angular acceleration sensor will spring to action, fixing the beginning of the oversteer. In this situation, the ESP will set the signal for the engine control unit to reduce fuel delivery. If necessary, the system interferes with the ABS, braking a little the outer front wheel. In cars with automatic transmission, the ESP can adjust its operation, choosing a lower gear. Some models use this feature to configure the off-road mode.

The stability control system is especially useful for young drivers and is almost always ready to correct their mistakes. Thanks to the capabilities of the ESP, people are not required to have the skills of extreme driving. The main thing is to turn the steering wheel to the right angle, and the car will decide itself how to negotiate the change in direction. Although it must always be borne in mind that the capabilities of electronics are finite, and strictly obey the physical laws. Whatever the outcome, do not relax and keep a cool head behind the wheel.

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