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首页> 外文期刊>International Journal of Vehicle Design >Integrated control of automotive electrical power steering and active suspension systems based on random sub-optimal control
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Integrated control of automotive electrical power steering and active suspension systems based on random sub-optimal control

机译：基于随机次优控制的汽车电动助力转向和主动悬架系统集成控制

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This paper addresses the problem of integrated control of electrical power steering systems (EPS) and active suspension systems (ASS). Through integrating EPS with ASS, a full car dynamic model is established. Based on the integrated model, a random sub-optimal control strategy based on output feedback is designed to fulfil the integrated control of both EPS and ASS. The characteristics of the integrated control system are analysed using Matlab/Simulink and a series of comparisons are made with the system without control and the ASS-only/EPS-only system. The simulation results show that the integrated control scheme can not only enhance the steering quality, but also significantly isolate the road excitation. Moreover, the integrated control system has a great improvement on anti-roll and anti-pitch abilities. The proposed research provides a theoretical solution for simultaneously improving the multiple vehicle performance indices including manoeuvrability, handling stability, ride comfort, and safety.
机译：本文解决了电动助力转向系统（EPS）和主动悬架系统（ASS）的集成控制问题。通过将EPS与ASS集成，建立了完整的汽车动力学模型。基于集成模型，设计了基于输出反馈的随机次优控制策略，以实现EPS和ASS的集成控制。使用Matlab / Simulink分析了集成控制系统的特性，并与无控制系统和仅ASS /仅EPS系统进行了一系列比较。仿真结果表明，该综合控制方案不仅可以提高转向性能，而且可以有效隔离道路激励。而且，该集成控制系统在防侧倾和防俯仰能力方面有了很大的改进。这项拟议的研究为同时提高多种车辆性能指标（包括机动性，操纵稳定性，乘坐舒适性和安全性）提供了理论解决方案。

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