Motors are widely used in industrial and agricultural production and play an important role in our daily lives. So, what is the future market size and trend for the motion control market or the drive motor market?
Motor control drive systemThe motor drive control system (including the drive motor and motor controller) is the main execution structure in the operation of new energy vehicles. The control and drive characteristics determine the main performance indicators of the vehicle.
Generally speaking, the motor controller is mainly composed of the following parts:
1. The electronic control module (ElectronicController) includes hardware circuits and corresponding control software. The hardware circuit mainly includes the microprocessor and its minimum system, the monitoring circuit for the state of the motor current, voltage, speed, temperature, etc., various hardware protection circuits, and the data interaction with the external control unit such as the vehicle controller and the battery management system. Communication circuit. The control software implements the corresponding control algorithm according to the characteristics of different types of motors.
2. The driver converts the control signal of the microcontroller to the motor to drive the driving signal of the power converter, and isolates the power signal and the control signal.
3. The power converter module (PowerConverter) controls the motor current. Power devices often used in electric vehicles include high-power transistors, gate turn-off thyristors, power FETs, insulated gate bipolar transistors, and smart power modules.
Figure 1 Motor controller appearance structure
Market sizeAccording to the latest market research report released by MarketsandMarkets, the global motion control market in 2022 (including spare parts: AC motors, motors, motion controllers, AC drives, electronic drives; applications: packaging, material handling, metal processing, conversion, positioning) is expected It will reach $22.84 billion and grow at a compound annual growth rate of 5.5% between 2016 and 2022.
Factors driving the growth of the market include the popularity of factory automation, the pursuit of industrial safety productivity, the increased demand for industrial robots in the production process, and the ease of use and integration of components in motion control systems.
AC motors are used in motion control applications where high precision positioning devices are required, such as modern robots, ammonia and air compressors, motor generator sets, continuous rolling mills, and the paper and cement industries. The AC motor operates at a higher voltage than the DC motor. The AC motor has no commutator so the wear is low, which increases the service life.
As the new energy vehicle market will continue to improve in the next few years, the market potential in this field will gradually be released, and the market size of the motor controller will gradually increase. At present, the price of passenger car motor controller is generally 30,000 to 50,000 yuan, and the price of passenger car motor controller is generally 0.6 to 15,000 yuan. Through calculations, it is estimated that by 2020, the market size of domestic new energy vehicle motor controllers will exceed 15 billion yuan. (For detailed calculation, please refer to the “2016-2020 China New Energy Automobile Motor and Controller Market Investment Report†published by the public.
Chart 2 2016-2020 China New Energy Automotive Motor Controller Market Size (100 million yuan)
Future trendComprehensive technology and market trend analysis, in the future, the three technological development directions of automotive drive motor systems are permanent magnetization, digitization and integration.
1. Permanent magnetization means that the permanent magnet motor has the advantages of high power density and torque density, high efficiency and easy maintenance. At present, the trend of permanent magnetization of the motor is prominent. According to the consultation data, the permanent magnet synchronous motor has accounted for more than 90% of the use of new energy vehicles in China.
2. Digitization includes digitization of drive control, digitization of drive to CNC system interface, and digitization of measurement unit. The software replaces the hardware to the greatest extent, with other functions such as protection, fault monitoring, and self-diagnosis.
3, integration is mainly reflected in two aspects: 1) motor: motor and engine assembly, motor and gearbox assembly integration; 2) controller: power electronics assembly (power devices, drive, control, Integration of sensors, power supplies, etc.) In the future, the integration of motors, reducers and controllers is a trend that not only reduces the size, but also makes the products more standardized.
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