| 李明辉,宋忠柱,徐文力,谭礼斌,李光辉.RST数字控制器及其在时延系统中的应用[J].中国造纸学报,2017,32(1):45-49 |
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| RST数字控制器及其在时延系统中的应用 |
| RST Digital Controller and Its Application in Time Delay System |
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| DOI：10.11981/j.issn.1000-6842.2017.01.45 |
| 中文关键词: RST数字控制器 时延系统 相位 鲁棒性 |
| Key Words:digital controller time delay system phase robustness |
| 基金项目: |
| 作者 | 单位 | | 李明辉 | 陕西科技大学机电工程学院,陕西西安,710021 | | 宋忠柱* | 陕西科技大学机电工程学院,陕西西安,710021 | | 徐文力 | 陕西科技大学机电工程学院,陕西西安,710021 | | 谭礼斌 | 陕西科技大学机电工程学院,陕西西安,710021 | | 李光辉 | 陕西科技大学机电工程学院,陕西西安,710021 |
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| 中文摘要: |
| RST数字控制器是一个三支路结构控制器,可以等效为一个前向预测器和一个无时延的控制器,能够很好地解决时延系统中的相位变化问题,使系统具有较好的鲁棒性。PID控制器、PID-Smith预估控制器和RST数字控制器的仿真实验表明,在这3种控制器中,RST数字控制器的跟踪性能和抑制扰动性能最好,而且对于参数不定的系统,其还具有较强的鲁棒性。 |
| Abstract: |
| The traditional control strategy does not focus on a problem of the robustness of the control system. The design goal of the controller is still to achieve good tracking performance and regulation performance level, and it is difficult to obtain satisfactory control effect for the time delay system. RST digital controller is a three branches structure controller which can be equivalent to a front predictor and a no delay controller, can solve the phase change of the time delay system, make the system with improved robustness. By simulation of three kinds of controllers of PID controller, PID-Smith controller and RST controller, the results show that the tracking performance and disturbance rejection performance of RST digital controller is the best, and it has strong robustness to the system with parameter uncertainty． |
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