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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >Shift Force Optimization and Trajectory Tracking Control for a Novel Gearshift System Equipped With Electromagnetic Linear Actuators
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Shift Force Optimization and Trajectory Tracking Control for a Novel Gearshift System Equipped With Electromagnetic Linear Actuators

机译：配备电磁线性执行器的新型变速系统的换档力优化和轨迹跟踪控制

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摘要

Electromagnetic linear actuators (ELAs) are used to engage gears in an electric automated manual transmission. The structure is simplified due to the elimination of intermediate mechanisms. An ELA can provide 1500 N of electromagnetic force to drive the synchronizer mechanisms. Additionally, the dynamic characteristics of the actuator are remarkable, improving the performance of shifting gears. To achieve balanceable and comprehensive gearshift performance including shift time, friction work, and degrees of jerk, Pontryagin's minimum principle is employed to optimize the friction torque, and current feed-forward active disturbance rejection control is proposed to track the optimized shift force. Moreover, a double closed-loop controller based on active disturbance rejection control is used to achieve fast and stable displacement control. Comparative simulations and experiments are carried out, and the results indicate that the proposed tracking method can implement the optimal shift force well and can integrate the optimal shift indices, including shift time, degrees of jerk, and friction work. Combined with the proposed control method, the superiority and feasibility of the novel direct-drive electromagnetic gearshift system are validated.
机译：电磁线性执行器（ELA）用于接合电动自动手动变速器中的齿轮。由于消除了中间机构，因此简化了结构。 ELA可以提供1500 N的电磁力来驱动同步器机构。此外，执行器的动态特性非常出色，从而提高了换档性能。为了实现包括换档时间，摩擦功和急动度在内的平衡而全面的换档性能，采用庞特里亚金的最小原理来优化摩擦转矩，并提出了电流前馈主动抗扰控制来跟踪优化的换档力。此外，基于主动干扰抑制控制的双闭环控制器用于实现快速稳定的位移控制。进行了比较仿真和实验，结果表明，所提出的跟踪方法能够很好地实现最佳换档力，并且能够综合考虑最佳的换档指标，包括换档时间，急动度和摩擦功。结合所提出的控制方法，验证了新型直接驱动式电磁变速系统的优越性和可行性。

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