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首页> 外文期刊>IEEE / ASME Transactions on Mechatronics >Adaptive Finite-Time Control for Half-Vehicle Active Suspension Systems With Uncertain Dynamics
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Adaptive Finite-Time Control for Half-Vehicle Active Suspension Systems With Uncertain Dynamics

机译：具有不确定动态的半载体有源悬架系统的自适应有限时间控制

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摘要

The finite-time control design problem of half-vehicle active suspension systems with uncertain dynamics and external disturbances is investigated in this article. The unknown functions, which caused by uncertain parameters and unknown dynamics, are approximated with help of neural networks. An extended Lyapunov condition of finite-time stability is employed to achieve the control of the vertical and pitch motions more quickly. Then, assisted by the practical finite-time theory, the finite-time controller is proposed. It can ensure that half-vehicle active suspension systems achieve the stability in a finite time and the ride comfort can be enhanced. In addition, the developed adaptive finite-time control approach is performed to half-vehicle active suspension systems. By comparing analysis of simulation results, the validity of the established scheme is demonstrated and the performance of half-vehicle active suspension systems is exhibited.
机译：本文研究了具有不确定动力学和外部干扰的半载体有源悬架系统的有限时间控制设计问题。通过不确定的参数和未知动态引起的未知功能是借助神经网络的帮助近似。采用有限时间稳定性的扩展Lyapunov条件，以更快地实现垂直和俯仰运动的控制。然后，通过实际有限时间理论辅助，提出了有限时间控制器。它可以确保半载体有源悬架系统在有限时间内实现稳定性，并且可以提高乘坐舒适性。此外，对半载体有源悬架系统进行开发的自适应有限时间控制方法。通过对模拟结果分析进行比较，证实了建立方案的有效性，并且展示了半载体活性悬架系统的性能。

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