The invention discloses an active suspension energy accumulator pressure estimation method, which belongs to the technical field of automobile shock absorbers, and comprises the following steps: S1, setting the initial pressure Pintal of an electric hydraulic pump, and calculating the rotating speed of the electric hydraulic pump; s2, calculating the vibration speed of the shock absorber; s3, estimating the temperature of the energy accumulator; s4, pressure judgment is conducted according to the rotating speed obtained through calculation in the step S1 and the speed obtained through calculation in the step S2; and S5, outputting a final energy accumulator pressure value. According to the method, the pressure of the energy accumulator can be accurately estimated through an algorithm and an existing pressure sensor in the active shock absorber, a pressure sensor does not need to be independently arranged in the energy accumulator, the cost can be saved, and it is guaranteed that the whole system is simple in structure.
本发明公开了一种主动悬架蓄能器压力估算方法,属于汽车减振器技术领域,包括:S1、设置电动液压泵的初始压力Pintial,并计算电动液压泵转速;S2、计算减振器振动速度;S3、估算蓄能器温度;S4、根据步骤S1计算得到的转速及步骤S2计算得到的速度进行压力判定;S5、输出最终蓄能器压力值。本发明通过算法以及主动减振器内部现有的压力传感器即可准确的估算出蓄能器的压力,不需要在蓄能器内部单独布置的压力传感器,能节省成本,保证整个系统结构简单。
Active suspension energy accumulator pressure estimation method
一种主动悬架蓄能器压力估算方法
2024-06-07
Patent
Electronic Resource
Chinese
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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