The China Micro Dc Motor suppliers tells you the control elements of the DC motor.
The DC motor realizes the conversion between DC power and mechanical energy. The technical feature of DC motor is that when the motor is running, it is a DC motor and can be converted into mechanical energy. DC motor control technology has developed rapidly, and its main digital control method and DC motor without speed sensor control have their own characteristics.
Digital control
Digital control system is based on microprocessor to achieve high complexity and high precision control. With the advent of Microelectronics technology, the improvement of microprocessors and computing speeds, and the development of computer software, automatic control systems are dominated by digital processing, digital control systems are the core, and high-speed digital processing is the core. Due to its small size and easy to implement, digital control systems such as general control, vector control, nonlinear robust control, and fuzzy control can also be realized.
DC motor control without position sensor
Due to the elimination of the dominant position of DC motors, all hardware is placed in electronic switch circuits to reduce the size and cost of DC motors. Since the conductive winding and switching times at all levels no longer depend on the signal of the position sensor, the accuracy of the magnetic pole position detection circuit, the motor shutdown, or the rotor position signal at low speed in the control circuit is improved. The starting circuit of the position-free sensor DC motor is the same as other aspects of the DC motor with a position sensor. It is generally difficult to detect it. Therefore, a special starting circuit is needed to start the DC motor without a position sensor.
