Abstract
The kernel chip of wind pendulum control system is 32-bit STM32F407 micro control unit (MCU). MPU6050 gyroscope is utilized to detect the motion state of the pendulum rod in real time. After collecting and analyzing the motion data, pulse width modulation (PWM) is applied to four axial flow fans. The system can implement the functions of swing-up, stop-swing, drawing a line segment of specified length or deflection angle and drawing a circle of specified radius by laser pointer fixed on the wind pendulum. The design involves many mathematical and control methods, such as PWM control, PID algorithm and power series correction. As a result of the design and manufacture of hardware and the programming and debugging of software, many groups of test data indicate that the system has satisfied functionality and accuracy. Moreover, the system can realize its functions in the case of overcoming interference. The deviation is within the allowable range, which illustrates the robustness is satisfactory.
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Acknowledgements
This work was supported by the self-made experimental teaching instrument and equipment project fund of Nankai University, and Electronic Information Laboratorial Teaching Center.
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Wang, H. et al. (2020). Design of Wind Pendulum Control System Based on STM32F407. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_122
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DOI: https://doi.org/10.1007/978-981-13-9409-6_122
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