Patents, software, and hardware for PID control: an overview and analysis of the current art

The wide application of proportional-integral-derivative (PID) control has stimulated and sustained the development and patenting of various tuning and associated system identification techniques. However, to achieve optimal transient performance, tuning methods vary, and at present there exists no...

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Bibliographic Details
Published in:IEEE Control Systems Magazine 2006-02, Vol.26 (1), p.42-54
Main Authors: Yun Li, Kiam Heong Ang, Chong, G.C.Y.
Format: Magazinearticle
Language:English
Subjects:
Application software
Control systems
Hardware
Optimization
Pi control
Proportional control
Proportional integral derivative
Software packages
Standardization
System identification
Three-term control
Transient performance
Tuning
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Summary:The wide application of proportional-integral-derivative (PID) control has stimulated and sustained the development and patenting of various tuning and associated system identification techniques. However, to achieve optimal transient performance, tuning methods vary, and at present there exists no standardization of PID structures. This article provides an overview and analysis of PID patents, commercial software packages, and hardware modules. It also highlights the differences between academic research and industrial practice so as to motivate new research directions in PID technology.
ISSN:1066-033X
0272-1708
1941-000X
DOI:10.1109/MCS.2006.1580153