| MODIFIED AUTOMATIC TUNING OF PI/D CONTROLLERS BASED ON PHASE AND AMPLITUDE MARGIN SPECIFICATIONS |
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| 作者姓名： | 王亚刚 邵惠鹤 |
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| 作者单位： | WANG Ya gang (王亚刚)，SHAO Hui he (邵惠鹤) (Research Inst.of Automation，Shanghai Jiaotong Univ.，Shanghai 200030，China) |
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| 摘 要： | ＩｎｔｒｏｄｕｃｔｉｏｎＩｎｐｒｏｃｅｓｓｃｏｎｔｒｏｌ，ｍｏｒｅｔｈａｎ９５％ｏｆｔｈｅｃｏｎｔｒｏｌｌｏｏｐｓａｒｅｏｆＰＩＤｔｙｐｅ［１］．Ｔｈｅｍａｉｎｒｅａｓｏｎｉｓｉｔｓｒｅｌａｔｉｖｅｌｙｓｉｍｐｌｅｓｔｒｕｃｔｕｒｅ，ｗｈｉｃｈｃａｎｂｅｅａｓｉｌｙｕｎｄｅｒｓｔｏｏｄａｎｄｉｍｐｌｅｍｅｎｔｅｄｉｎｐｒａｃｔｉｃｅ，ａｎｄｔｈａｔｍａｎｙｓｏｐｈｉｓｔｉｃａｔｅｄｃｏｎｔｒｏｌｓｔｒａｔｅｇｉｅｓ，ｓｕｃｈａｓｍｏｄｅｌｐｒｅｄｉｃｔｉｖｅｃｏｎｔｒｏｌ，ａｒｅｂａｓｅｄｏｎｉ…
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MODIFIED AUTOMATIC TUNING OF PI/D CONTROLLERS BASED ON PHASE AND AMPLITUDE MARGIN SPECIFICATIONS |
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| WANG Ya,gang.MODIFIED AUTOMATIC TUNING OF PI/D CONTROLLERS BASED ON PHASE AND AMPLITUDE MARGIN SPECIFICATIONS[J].Journal of Shanghai Jiaotong university,1999(2). |
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| Authors: | WANG Ya gang |
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| Abstract: | A new auto tuning procedure for PI/D controller based on phase and amplitude margin specifications was proposed.The procedure applied a modified relay feedback experiment to identifying the process frequency response of the point where the Nyquist curve intersects the negative imaginary axis,and the PI/D controller settings can be obtained based on this single point.The auto tuning method has all the merits of the tuning method that Astrom and Hagglund had proposed,and overcomes its problems.The simulation results show that the proposed tuning method has better performance than Astrom Hagglund's tuning method. |
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| Keywords: | relay feedback PI/D control auto tuning frequency response |
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