期刊
IEEE ACCESS
卷 7, 期 -, 页码 142652-142662出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2945065
关键词
DC-DC power converters; Control systems; Transfer functions; Solid modeling; Mathematical model; Predictive control; Voltage control; Boost converter; PID control; fractional order system; DSP; DC-DC converter
资金
- Basic Science Research Program through the National Research Foundation of Korea, Ministry of Education [2017R1D1A1B03030652]
- Railroad Technology Research Program through the Ministry of Land, Infrastructure and Transport of Korean Government [19RTRP-B146008-02]
- National Research Foundation of Korea [2017R1D1A1B03030652] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
In this paper, the problem of designing a fractional order PID-type controller is considered for a boost converter. By using the output capacitance and input inductance values this paper characterizes integer order PID-type control gains which will make the closed-loop system transfer function approximately equal to a first order system with a unit DC gain and prescribed time constant $\tau $ . Next, a procedure to compute the design parameters of a fractional order PID-type controller is given together with a descritized control algorithm for DSP implementation. By using a floating-point DSP, the proposed control algorithm is implemented in real time. Finally, experimental results are given to show the practical feasibility and effectiveness of the proposed fractional order PID-type control system under several operating conditions. The results illuminate that the proposed controller can be better than a conventional integer order PID-type controller.
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