Hardware Implementation of Fuzzy PID Controllers

For traditional hardware implementation of fuzzy PID controllers, it is large at computation and bad in real-time performance, so, a kind of PID control algorithm, whose gain parameters could be tuned by their fuzzy system, was selected as studying example for a novel idea of hardware implementation...

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Bibliographic Details
Published in:Fuzzy optimization and decision making 2006-04, Vol.5 (2), p.113-122
Main Authors: Li, Taifu, Xiong, Jundi, Zhang, Rui, Tan, Qifu, Xu, Ruizheng
Format: Article
Language:English
Subjects:
Algorithms
Computer peripherals
Control algorithms
Controllers
Fuzzy logic
Fuzzy sets
Mapping
Process controls
Real time
Studies
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Summary:For traditional hardware implementation of fuzzy PID controllers, it is large at computation and bad in real-time performance, so, a kind of PID control algorithm, whose gain parameters could be tuned by their fuzzy system, was selected as studying example for a novel idea of hardware implementation. In this paper, authors presented hardware network of memory address mapping to implement fuzzy PID control algorithm, and designed the corresponding hardware system. The idea actually realizes fusion of hardware and intelligent algorithm. The implementation effectively simplified hardware circuits, the whole controller is very simple without CPU. Meanwhile, it is very easy to use, only connecting the sensor/transducer, the driver and the actuator is OK. The controller is very rapid in response, it need only two A/D conversion periods for outputting a required control signal. So the implementation could meet real-time performance effectively. [PUBLICATION ABSTRACT]
ISSN:1568-4539
1573-2908
DOI:10.1007/s10700-006-7330-1