134. ESP
ESP(Electronic Stability Program、ESCとも呼ばれる)は、車両の横滑りや方向制御喪失を防ぐためのアクティブセーフティシステムです。運転者が意図する方向と実際の車両運動を比較し、不安定状態を検知すると介入します。
個別車輪へ自動的にブレーキをかけ、車両によってはエンジン出力も下げて意図した進路へ戻すのを支援します。タイヤグリップの限界内で作動するため、過大な速度や非常に滑りやすい条件を克服できるものではありません。
What does ESP do?
ESP helps maintain vehicle stability when it detects that the vehicle is beginning to deviate from the driver's intended direction. It can selectively brake individual wheels and may reduce engine power to help restore control.
What is the difference between ESP and ESC?
ESP and ESC refer to the same general type of electronic stability-control system. ESP means Electronic Stability Program, while ESC means Electronic Stability Control. Vehicle manufacturers may also use other names for similar systems.
Can ESP prevent every skid?
No. ESP can assist in maintaining stability, but it cannot overcome the physical limits of tyre grip. Excessive speed, worn tyres, ice or other very slippery conditions can still cause a vehicle to lose control.

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