Chen C.-L.Kuo F.-C.2019-05-212019-05-21199500207721https://scholars.lib.ntu.edu.tw/handle/123456789/409715The fuzzy logic controller (FLC) presented by Siler and Ying (1989) is discussed here and is proved to be equivalent to a non-fuzzy, nonlinear, proportional-integral (PI) controller. Some characteristic properties of this fuzzy logic controller are then investigated. The achievable performance of such a specific fuzzy controller is examined and found to be not necessarily better than that of the conventional, linear, non-fuzzy PI controller. Various extended designs of the basic FLC, including the FLC with dual control laws and the three-piece FLC, are then presented to enhance control performance. These extensions can provide servo-control performance. These extensions can provide servo-control performance superior to that of the basic FLC design, as illustrated by simulation results. Finally a highly nonlinear neutralization process is advanced to demonstrate the applicability of the various FLCs to industrial process control. ? 1995 Taylor & Francis Group, LLC.journal article10.1080/002077295089290952-s2.0-0029305837https://www.scopus.com/inward/record.uri?eid=2-s2.0-0029305837&doi=10.1080%2f00207729508929095&partnerID=40&md5=a00c5162c1f2edc4375946853ce581a7