A DC motor PWM speed controller based on STM32 microprocessor, IR2110 driver chip and photoelectric encoder is introduced. The principle of DC motor speed regulation and the working principle of photoelectric encoder are introduced in detail. According to the overall scheme design, the hardware and software designs of logic signal processing circuit, IR2110 driver circuit,

This design is a project in smart home — Automatic curtains, mainly based on infrared induction and single chip microcomputer control to realize automatic pull of curtain. The article introduces the design scheme as a whole and completes the design of hardware and software of the system. With the maturity of Internet of Things technology,

The traditional PID control algorithm has the advantages of simple algorithm, high control precision and high reliability, which is suitable for the deterministic control system with precise mathematical model. The traditional fuzzy controller has a rough division of the universe. It needs to increase the quantization series appropriately in order to improve the control accuracy,

This design takes TI MCU MSP430F149 as the control core and calls peripheral modules to work together. Temperature sensor module is used to detect the temperature of water used in the water tank. Because the output of this module is digital signal, it can be directly put into the microprocessor for processing. After numerical conversion,

A high precision servo controller is designed based on the chip of TMS320F28335. The hardware composition and working principle of the photoelectric tracking servo system are described. The hardware design of the servo controller is emphatically introduced, and the schematic diagram of the control circuit is given. The difficulty of tracking control of the system

The equipment of atomic lithography system is huge and complex, so the parameters of temperature and frequency stabilized light need to be monitored and controlled during the experiment. In view of the low efficiency of the experiment caused by the use of personnel on duty, the principle of atomic deposition and the structure and main

This paper studies the application of Programmable Logic Controller (PLC) in electrical control, and makes some simple introduction to the advantages, working principle and programming method of Programmable Logic Controller (PLC), so that people can know more about Programmable Logic Controller (PLC) and Programmable Logic Controller (PLC) in electrical control system. The application provides some

A permanent magnet synchronous motor controller based on FPGA is introduced. Through the analysis of the requirements of permanent magnet synchronous motor controller, the hardware architecture and software strategy of the system are determined. Using Microsemi’s M2S005 FPGA as the core device, a permanent magnet synchronous motor controller is built. By sampling the motor current

Stepping motor is an actuator which converts electric pulse signal into angular displacement. The stepper motor control system realized by single chip computer has the characteristics of low cost, easy realization, high control precision and flexible use. In this paper, AT89C51 single chip computer is used to make stepper motor controller, and the software design

The widespread application of programmable controller in production makes industrial production automated and greatly improves production efficiency. Therefore, new workers are required to master the use, maintenance, maintenance and programming of programmable controller skillfully. Therefore, learning programmable controller and its application courses well is related to students’employment. Starting from improving students’interest in learning, this paper