基于模型预测控制的飞行器偏航稳定性控制器设计

Hongliang Zhou, Zhiyuan Liu
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引用次数: 21

摘要

汽车转向机动时的偏航稳定性对汽车的稳定性和操纵性能至关重要。本文根据主动差动制动的原理,设计了一种基于模型预测控制的偏航稳定性控制器。该控制器实现简单的6自由度线性车辆模型,在考虑轮胎非线性特性的情况下,解决了车辆偏航稳定性控制中的制动力矩约束和过度驱动问题。在专业车辆动力学仿真工具上的仿真结果表明,该控制器能够以水平移动的方式计算出最有效车轮的合理制动力矩,并保持车辆的偏航稳定性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of vehicle yaw stability controller based on model predictive control
Yaw stability of an automotive vehicle in steering maneuver is critical to stability and handling performance of the vehicle. In the paper, a yaw stability controller based on model predictive control is designed in the principle of active differential brake. Implementing a simple 6 DoF linear vehicle model, the proposed controller solves brake torque constraints and overactuated problems in vehicle yaw stability control with the consideration of tire nonlinear characteristics. The simulations on a professional vehicle dynamics tool show the controller could calculate reasonable brake torque of the most efficient wheel in moving horizon manner, and keep the vehicle yaw stability.
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