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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >Series Active Variable Geometry Suspension Application to Chassis Attitude Control
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Series Active Variable Geometry Suspension Application to Chassis Attitude Control

机译：系列主动可变几何悬架在底盘姿态控制中的应用

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摘要

This paper explores the application of the recently introduced series active variable geometry suspension (SAVGS) to the control of chassis attitude motions and the directional response of cars. A codesign methodology, involving a component dimensioning framework and a multiobjective control scheme, is developed to maximize the SAVGS control capabilities, while respecting vehicle and actuator design constraints. The dimensioning framework comprises: a steady-state mathematical model based on the principle of virtual work; a parameter sensitivity analysis that sheds light on the dependencies that exist between the properties of the passive suspension, the SAVGS, and the chassis; and an algorithm to size the main SAVGS components for any given vehicle and steady-state performance objectives. The general multiobjective control scheme is presented for general application, and the particular case of combined chassis attitude control and overturning couple distribution control is developed in detail. The proposed scheme is subsequently applied to a high-performance sports car and a fully laden SUV, and tested under a wide range of operating conditions through the simulation of standard open-loop maneuvers. Results demonstrate the SAVGS potential to favorably regulate the attitude motions and directional response in both vehicle classes.
机译：本文探讨了最近推出的系列主动可变几何悬架（SAVGS）在控制底盘姿态运动和汽车的方向响应中的应用。开发了一种代码签名方法，其中涉及组件尺寸确定框架和多目标控制方案，以在不影响车辆和执行器设计约束的情况下最大化SAVGS控制能力。尺寸标注框架包括：基于虚拟工作原理的稳态数学模型；参数敏感性分析，揭示了被动悬架，SAVGS和底盘之间的依赖关系；以及为任何给定的车辆和稳态性能目标确定主要SAVGS组件尺寸的算法。提出了通用的通用多目标控制方案，并详细研究了组合底盘姿态控制和倾覆对偶分布控制的特殊情况。拟议的方案随后应用于高性能跑车和满载SUV，并通过模拟标准开环操纵在各种运行条件下进行了测试。结果表明，SAVGS具有在两种车型中良好地调节姿态运动和方向响应的潜力。

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