The invention discloses an anti-carsickness semi-active seat band-stop filtering control method, which comprises the following steps of: firstly, establishing a two-degree-of-freedom model of a vehicle seat suspension system, and designing a seat suspension active control system to meet the following constraint conditions: the dynamic stroke of a seat suspension does not exceed the maximum allowable stroke; and the control force is smaller than the maximum output control force of the actuator. In order to effectively reduce the carsickness symptom caused by seat vibration, the invention also establishes a target function for inhibiting the vibration of the seat in a human body sensitive frequency range, designs a frequency weighted sliding mode control algorithm, accurately adjusts the damping coefficient of the magnetorheological damper through a control law, inhibits the low-frequency vibration in the frequency range of 0.1-0.5 Hz, and improves the safety of the seat. The riding comfort is improved, and the motion sickness is reduced.
本发明公开了一种防晕车半主动座椅带阻滤波控制方法,首先建立了车辆座椅悬架系统二自由度模型,并设计了座椅悬架主动控制系统,使其满足以下约束条件:座椅悬架动行程不超过最大许用行程,并且控制力小于作动器的最大输出控制力。为了有效减少因座椅振动引起的晕车症状,本发明还建立了抑制座椅在人体敏感的频率范围内振动的目标函数,设计频率加权的滑模控制算法,通过控制律精确调节磁流变阻尼器的阻尼系数,针对0.1‑0.5Hz频率范围内的低频振动进行抑制,提升乘坐舒适性,并减少晕动症的发生。
Anti-carsickness semi-active seat band elimination filtering control method
防晕车半主动座椅带阻滤波控制方法
2025-02-14
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
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