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2015•Unpublished venueOpen access

Speed governor design based on fuzzy self-tuning PID method for marine diesel engine

Qiaomei Sun, Jinguo Chen

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Abstract

As the most commonly used method in speed governor for marine diesel engine, PID control method is not very effective for nonlinear systems with big variation of parameters.To improve the dynamic precision of diesel speed governor, a fuzzy PID hybrid controller of parameter self-adjusting is put forward in this paper.The mathematical model of diesel engine and its speed regulation system are presented and computer simulation is conducted in Matlab software.Simulation results verify that the proposed method improves the control accuracy of speed of diesel engine compared with conventional PID controller.

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What this paper is about

As the most commonly used method in speed governor for marine diesel engine, PID control method is not very effective for nonlinear systems with big variation of parameters.To improve the dynamic precision of diesel speed governor, a fuzzy PID hybrid controller of parameter self-adjusting is put forward in this paper.The mathematical model of diesel engine and its speed regulation system are presented and computer simulation is conducted in Matlab software.Simulation results verify that the proposed method improves the control accuracy of speed of diesel engine compared with conventional PID controller.

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Available abstract

As the most commonly used method in speed governor for marine diesel engine, PID control method is not very effective for nonlinear systems with big variation of parameters.To improve the dynamic precision of diesel speed governor, a fuzzy PID hybrid controller of parameter self-adjusting is put forward in this paper.The mathematical model of diesel engine and its speed regulation system are presented and computer simulation is conducted in Matlab software.Simulation results verify that the proposed method improves the control accuracy of speed of diesel engine compared with conventional PID controller.

Key concepts: Governor, Diesel engine, PID controller, Automotive engineering, Diesel fuel, Fuzzy logic, Computer science, Control theory (sociology)

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