| 用特征轨迹法综合给水泵控制系统的研究及机辅设计 |
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| 引用本文： | 刘久斌,张贻琛.用特征轨迹法综合给水泵控制系统的研究及机辅设计[J].华北电力大学学报,1988(1). |
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| 作者姓名： | 刘久斌 张贻琛 |
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| 作者单位： | 华北电力学院电力环保所，华北电力学院动力系 |
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| 摘 要： | 本文用近代频域法中的特征轨迹法(简称 CL 法)对多变量给水泵控制系统进行了探索。用 CL 法对 DG—450—180型液压联轴节调速给水泵在变压运行200MW 机组存在的两变量系统进行了综合、仿真,验证了控制系统的稳定性、准确性、完整性、以及鲁棒性等各项指标。为完成上述工作,编制了由1300多条 FORTRAN 语句组成的通用程序,解决了用程序自行判定系统稳定性等问题。为了解决CL 法在热工系统控制的应用,进一步分析并提出了补偿阵的的补偿点的选取依据及其限制条件,推导了鲁棒性在 CL 法中的表达式并阐述了鲁棒性和控制系统其它性能的关系。
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Research and Computer Aided Design on Synthesising Feed Pump Control System by Charateristic Loci Method |
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| Abstract: | In this paper,the multi-variable control system for type DG-450-180 feed pumps with hydraulic coupling and variable speed drive are in- vestigated.Two feed pumps of 100%capacity are installed for the 200 MW variable pressure steam generating unit.Characteristic locus me- thod(CL)is used to synthesize,simulate and verify performance crit- erions of the sysrem,such as stability,accuracy,integrity and roo- ustness.A FORTRAN program consisting of more than 1300 sente- nces is compiled for the above analysis with computer as well asfor computer judgment of the system stability.For the application of the CL method in athermal system control,abasisfor selecting com- pensating point is presented.An expression for robustness in the CL method is derived,and the correlation between robustness and the other charateristicsof the control system is described, |
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