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首页> 外文会议>The Fourth International Symposium on Fluid Power Transmission and Control (ISFP'2003); Apr 8-10, 2003; Wuhan, China >APPLICATION OF VARIATION FUZZY ALGORITHM IN THE HYDRAULIC MODEL REFERENCE FUZZY ADAPTIVE CONTROL(MRFAC) SYSTEM
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APPLICATION OF VARIATION FUZZY ALGORITHM IN THE HYDRAULIC MODEL REFERENCE FUZZY ADAPTIVE CONTROL(MRFAC) SYSTEM

机译：变分模糊算法在液压模型参考模糊自适应控制（MRFAC）系统中的应用

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摘要

To deal with poor static and dynamic characteristic in hydraulic servo system, a kind of new control algorithm―variation fuzzy algorithm is presented in this paper and is applied in MRFAC control system. Variation fuzzy algorithm predigests the fuzzy control rules from 56 to 8 ,in this case, the simulation rate is improved greatly. The performance of this algorithm is demonstrated via comparison of the simulated results that used variation fuzzy algorithm and without. The overshoot of the original system gets 80 % and settling time is very long. The overshoot reduces to 15% and settling time reduces to about 3 seconds via MRFAC. However, almost no overshoot appears through variation fuzzy control. Through simulation, it is shown that the proposed new algorithm plays an important role in improving operating performance of MRFAC system.
机译：针对液压伺服系统静，动态特性差的问题，提出了一种新的控制算法-变模糊算法，并将其应用于MRFAC控制系统。变分模糊算法将模糊控制规则从56简化为8，在这种情况下，仿真速度有了很大提高。通过比较使用变量模糊算法和不使用变量模糊算法的仿真结果，证明了该算法的性能。原始系统的超调量达到80％，建立时间非常长。通过MRFAC，过冲减少到15％，建立时间减少到大约3秒。但是，通过变化模糊控制几乎不会出现超调。通过仿真表明，所提出的新算法在提高MRFAC系统的运行性能方面起着重要作用。

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