Predictive PID controller for DC-DC converters using an adaptive prediction error filter
Predictive PID controller for DC-DC converters using an adaptive prediction error filter
- Author(s): M. Algreer ; M. Armstrong ; D. Giaouris
- DOI: 10.1049/cp.2012.0213
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- Author(s): M. Algreer ; M. Armstrong ; D. Giaouris Source: 6th IET International Conference on Power Electronics, Machines and Drives (PEMD 2012), 2012 page ()
- Conference: 6th IET International Conference on Power Electronics, Machines and Drives (PEMD 2012)
- DOI: 10.1049/cp.2012.0213
- ISBN: 978-1-84919-616-1
- Location: Bristol, UK
- Conference date: 27-29 March 2012
- Format: PDF
This paper presents a predictive PID controller for DC-DC converters using an adaptive prediction error filter (PEF) in the controller feedback loop. The concept of using an adaptive PEF is clearly described, and mathematical analysis of central concepts, such as the Auto-Regressive (AR) process generator and Moving Average (MA) identifier are explained in detail. The direct relationship between an adaptive PEF and a digital Proportional-Derivative (PD) controller is also presented. This leads to the development of an adaptive Proportional-Derivative + Integral (PD+I) control structure which is an effective substitute to a conventional PID controller. Experimental validation shows that the approach results in a fast adaptive controller with self-loop compensation. (6 pages)
Inspec keywords: predictive control; feedback; DC-DC power convertors; adaptive filters; mathematical analysis; adaptive control; digital control; three-term control
Subjects: Mathematical analysis; Optimal control; Mathematical analysis; Power electronics, supply and supervisory circuits; Self-adjusting control systems; Discrete control systems; Filters and other networks
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