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The development and application of the servo motor industry in our country trend analysis

by:HENGXIANG     2020-12-04
Motor, as one of the indispensable components on machinery and equipment, at present, the motor industry in China after more than 40 years of development, especially the rapid development of 20 years of reform and opening-up, has made great progress. At present, our country's motor product variety, application field widely, depending on the type, specification, power, shaft extension, insulation, encoder, speed switch, temperature sensor, and the parameters, such as tropical different can be divided into all kinds of motor. Machine tools, rolling mill, the blower, printing machine, water pumps, pumping unit, a crane, conveyor belt, line, the elevator and the heart motor medical equipment, X-ray, CT, dental surgery tools, dialysis machine, breathing machine, electric wheelchair, etc. , have extensive use of the motor. Motor is very extensive application in today's world, even there is movement of the motor could exist. As the soul of the high performance motor system, control chip and drive technology will play a more and more important role. From the whole of China machinery market and end users to analyze China's industry development trend of the motor and its control and data analysis, including servo drives, servo motor, frequency converter, induction motors, motion controller, such as CNC application market. Servo system refers to the object the displacement, Angle, to control the amount of speed, can track target any change of automation control system, usually composed of servo drive and servo motor. An extension of the servo system is based on frequency conversion technology products, in addition to being able to control the speed and torque, can be accurate, rapid and stable position control. Future development direction and trend prediction efficiency, although the efficiency, the development of the servo system always is the important topic, but still need to continue to strengthen. First itself contains the motor efficiency: permanent magnet materials, for instance function to improve and better the magnet device structure of planning; Also contains the drive system of high efficiency: contain inverter drive circuit optimization, optimization of deceleration motion, regenerative braking and energy response and better cooling method, etc. High speed, high precision, high function with higher precision encoders, higher sampling precision and speed of data bits, faster DSP, no the cogging effect function of high rotating motor, linear motor, and the use of the habit, artificial intelligence and other modern control strategy, and constantly to the warp and woof of the servo system of the target ( Manipulation of the speed, the control precision) To improve. , reaction, integration and integrated motor control, drive, communication becomes the small power servo system of the vertical integration of a development direction. Sometimes we call this kind of integration and communication of motor intelligent motor, sometimes we call integrated motion control and communication drive intelligent servo driver. Motor, drive and control integration from the planning, production to make three running and protection are integrated more closely. But the way in the face of greater technical challenge and engineers use habits challenge, so it is difficult to become mainstream, in the whole servo market has distinguishing feature is a small part. Intelligent servo driver has modern communication parameter memories, trouble self-diagnosis and analyze the function, the vast majority of imports drive has load inertia measurement and active gain adjustment function, some can take the initiative to identify the motor parameters, determination of active encoder zero, some are able to take the initiative to vibration dampening. The electronic gear, electronic CAM, synchronous Shadowed, interpolation motion control function and drive together, about servo users, provides better experience. Networking and modular fieldbus and industrial Ethernet technology, and integrated into the servo drives down the wireless network technology, has become a common methods of European and American manufacturers. The important direction of modern industry LAN and the focus of the competition of various bus specification is how to used to high function exercise control to the requirement of real-time data transmission, reliability, synchronicity. With rising domestic demand for large-scale distributed control device, successful development of the advanced numerical control system, the development of networked digital servo has become urgent needs. Modular refers not only to the servo driver module, power module, regenerative braking module, communication module between the combination method, and refers to the servo drive internal software and hardware modular and reusable. Specialty and diversification though exist generalization of servo products on the market, but for a particular use occasions servo system is made of special planning. Using magnetic data of different functions, different shape, different surface bonding structure and the structure of the embedded permanent magnet rotor motor, cutting type iron core structure of the use of technology in Japan makes the permanent magnet brushless servo motor produces finished high efficiency, large quantities of quantities and the initiative, and caused the domestic manufacturer for discussion. Miniaturization and large both in permanent magnet brushless servo motor is still a step motor is active to smaller scale development, for example, 20,28,35 mm outside diameter; Together also in the development of more powerful and scale models, has seen 500 kw of permanent magnet servo motor, reflecting the development tendency to heal.
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