The invention provides a self-adaptive cruise control method and device based on sliding mode control, and belongs to the field of automobile auxiliary driving, the design of a sliding mode surface of sliding mode control is completed by obtaining a sliding mode surface function and determining a coefficient in the sliding mode surface function according to a current working condition, and a preset sliding mode surface approaching rate of sliding mode control is obtained; the buffeting control index included in the sliding mode surface approaching rate can restrain the buffeting condition of sliding mode control, and finally, according to the sliding mode surface function and the sliding mode surface approaching rate, the first corresponding relation of the traction force of the engine along with the time change is obtained, so that the engine can be controlled according to the first corresponding relation, and on the premise that buffeting is restrained, the traction force of the engine is controlled. And the self-adaptive cruise control is smoothly completed.
本申请提供了基于滑模控制的自适应巡航控制方法和装置,属于汽车辅助驾驶领域,通过获取滑模面函数,并根据当前工况确定滑模面函数中的系数,从而完成滑模控制的滑模面的设计,并获取预设的滑模控制的滑模面趋近率,滑模面趋近率中包括的抖振控制指数可以抑制滑模控制的抖振情况,最终根据滑模面函数和滑模面趋近率,得到发动机牵引力随时间变化的第一对应关系,从而可以根据第一对应关系控制发动机,在抖振被抑制的前提下,平顺地完成自适应巡航控制。
Self-adaptive cruise control method and device based on sliding mode control
基于滑模控制的自适应巡航控制方法及装置
2023-11-28
Patent
Elektronische Ressource
Chinesisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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