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首页> 外文期刊>Industrial Electronics, IEEE Transactions on >PI Control, PI-Based State Space Control, and Model-Based Predictive Control for Drive Systems With Elastically Coupled Loads—A Comparative Study
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PI Control, PI-Based State Space Control, and Model-Based Predictive Control for Drive Systems With Elastically Coupled Loads—A Comparative Study

机译:具有弹性耦合负载的驱动系统的PI控制,基于PI的状态空间控制和基于模型的预测控制—对比研究

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摘要

Three different control methods for the speed control of drive systems with elastically coupled loads are presented and compared. In drive applications where the load is connected to the driving motor with a drive shaft that has a finite stiffness, unwanted mechanical dynamics can occur. These unwanted dynamics can stress both the mechanical and electrical drive components. Furthermore, the shaft torsion, if neglected in the control synthesis, can dramatically reduce the achievable control performance. To overcome these challenges, the design, analysis, and comparative study of three speed control methods for a drive system with resonant loads are carried out. The considered control methods are the following: a conventional proportional-integral (PI) control, a PI-based state space control, and a model-based predictive control. To ensure a suitable basis for their comparison, the three different speed control methods are designed with equal bandwidths and are verified with the same test setup. Furthermore, all speed control methods presented use only the drive-side speed measurement to control the drive speed.
机译:提出并比较了三种具有弹性耦合负载的驱动系统速度控制的不同控制方法。在将负载通过具有有限刚度的驱动轴连接到驱动电机的驱动应用中,可能会发生不必要的机械动力学。这些有害的动态特性可能会给机械和电气驱动组件造成压力。此外,如果在控制综合中忽略了轴的扭转,则会显着降低可达到的控制性能。为了克服这些挑战,对具有共振负载的驱动系统的三种速度控制方法进行了设计,分析和比较研究。所考虑的控制方法如下:常规比例积分(PI)控制,基于PI的状态空间控制和基于模型的预测控制。为了确保有合适的比较基础,三种不同的速度控制方法设计为具有相等的带宽,并通过相同的测试设置进行了验证。此外,提出的所有速度控制方法仅使用驱动器侧速度测量来控制驱动器速度。

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