西安微电机研究所 关键词：无刷直流电机；H∞控制；鲁棒控制器；参数摄动；负载扰动 [gap=419]Key words: BLDCM; H∞ control; robust controller; parameter perturbation; load disturbance
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两参数奇异摄动问题 two-parameter singular perturbation problems
Based on LMI, a sufficient condition of ESPR is provided, and an estimation method of parameter perturbation domain is also given to keep the ESPR of the system.
基于LMI方法,给出了系统鲁棒严格正实的充分条件,并给出了保持系统正实性的参数摄动域的估计方法。
参考来源 - 基于LMI方法的一类不确定系统的鲁棒正实性分析及鲁棒正实控制At the same time, the dynamic performance and stability are also improved. For the system’s external disturbance and parameter perturbation, the sliding mode control also has strong robustness and increase the anti-jamming capability of the system.
另外,滑模控制算法自身对系统外部扰动和参数摄动具有很强的鲁棒性,这也提高了系统的抗干扰能力。
参考来源 - 基于直线电机的驱动控制研究Finally, parametrical uncertainty is studied to show that the controllers are robust.
最后，分析了参数摄动对两种控制器的影响。 结果显示，控制器具有较强的鲁棒性。
参考来源 - 发动机转速自动控制系统理论研究·2,447,543篇论文数据，部分数据来源于NoteExpress
应用数学与力学经常使用小参数摄动近似。
The small parameter perturbation approximation is applied quite often in applied mathematics and mechanics.
进一步给出了已知系统参数摄动界时的标称控制器的设计方法。
Furthermore, a design method for the controller with known uncertainty bound of system parameter was presented.
本文运用系统敏灵度理论分析了多变量系统在参数摄动条件下的动态特性。
The dynamic characteristics of multi-variable system under parameter perturbations are analysed by System Sensitivity Theory in this paper.
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