Article Details

Title · Authors · Abstract · Keywords · DOI · References

Design of a High-voltage and High-precision Four-quadrant Power Supply Based on Fuzzy PID

LU Yan1, HUANG Cheng2, YU Yang2, CUI Yuan2, ZHAO Haohua3, CHEN Xucong3

(1.School of Mechanical Engineering, Jiangsu University of Technology, Changzhou 213001, China; 2.School of Electrical and Information Engineering, Jiangsu University of Technology, Changzhou 213001, China; 3.Changzhou Tonghui Electronic Co., Ltd., Changzhou 213031, China)

Section：Electronic Engineering · Vol. 2025, Issue 8 · Pages：20-24 · 2096-4706（2025）08-0020-05 · CLC number：TP216；TP273 · Document code：A · DOI：10.19850/j.cnki.2096-4706.2025.08.005

Abstract

When conducting scientific research on instrumentation, a stable and well-performing power supply often makes the experiment achieve twice the result with half the effort. At present, the domestic market has a large demand for high-precision four-quadrant power supply. Based on this background, a high-voltage and high-precision four-quadrant power supply based on fuzzy PID is designed. In this paper, the method of combining hardware closed-loop with software closed-loop is adopted, which greatly improves the effectiveness of the measurement results. The software control loop uses 24-bit ADC chip ADS12xx and 24-bit DAC chip PCM17xx.The hardware closed-loop is realized by building a hardware PID circuit. Through experimental tests, the output voltage meets expectations, and it is continuously adjustable in the four gears of medium voltage and high voltage, and the voltage ripple is below 0.4 V.

Keywords

fuzzy PID; four-quadrant power supply; closed-loop control; high-voltage and high-precision

References

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Funding

National Natural Science Foundation of China Youth Project (12304477); Project funded by the Science and Technology Department of Changzhou City, Jiangsu Province (CJ20235056); Enterprise Horizontal Project (KYH22272)

About the authors

Lu Yan (1999-), female, Han ethnicity, from Pizhou, Jiangsu, is currently pursuing a master's degree in instrumentation control technology and embedded systems.