design and performance comparison of pi and pid controllers for half bridge dc-dc converter
R. Ilayaraman,L.Raguraman,J.Rajakumar
Published in International Journal of Advanced Research in Electrical and Electronics Engineering
ISSN: 2321-4775 Impact Factor:1.6 Volume:2 Issue:1 Year: 08 March,2014 Pages:1-7
Abstract
Proportional Integral Derivative (PID) controller is the most widely used controller in the industries because of its simplicity and robustness. Different types of tuning are proposed for PID controllers[1]- [4]. This paper proposes a new technology, which utilizes the duty cycle signal to improve the light load efficiency with simple implementation. In this paper Ziegler-Nichols tuned PID scheme is developed for DC-DC converters where large load changes are expected or the need for fast response time[9]. The Ziegler-Nichols rule developed in this paper is used for tuning discrete PID controller to obtain its parameters with a minimum computing complexity and is applied to Half Bridge DC-DC converter to improve its performance. The transient response and settling time of the converter is improved and it is compared with the Ziegler-Nichols based PI controller
Kewords
Variable parameter PID, Ziegler-Nichols method,PI Controller
Reference
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