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Integration of new energy motor electronic control system is the future development trend
Release time:
2024-07-05
As we all know, the three core technologies that affect the development of energy-saving and new energy vehicle technology are electric motors, batteries and electronic control. At present, motor technology and products in the development of automotive mechatronics for many years, has been relatively mature. After the battery has experienced lead-acid batteries and lithium batteries of various materials, which is better or worse is still being explored and developed, but overall, the battery is a problem jointly studied by the upstream parts industry. Once there is a breakthrough, it is also open.. Only the electronic control technology is solved by the main engine factory, so the software and hardware solutions of the main engine factory in the electronic control technology belong to the core technology, and the expansion and possession of the electronic control technology is the key to whether the automobile enterprises can obtain the leading advantage in the future.
九洲封头
As we all know, the three core technologies that affect the development of energy-saving and new energy vehicle technology are electric motors, batteries and electronic control. At present, motor technology and products in the development of automotive mechatronics for many years, has been relatively mature. After the battery has experienced lead-acid batteries and lithium batteries of various materials, which is better or worse is still being explored and developed, but overall, the battery is a problem jointly studied by the upstream parts industry. Once there is a breakthrough, it is also open.. Only the electronic control technology is solved by the main engine factory, so the software and hardware solutions of the main engine factory in the electronic control technology belong to the core technology, and the expansion and possession of the electronic control technology is the key to whether the automobile enterprises can obtain the leading advantage in the future.
New energy motor electronic control system integration is the future development trend
The electronic control system is called the brain of new energy vehicles. As one of the three core technologies, it mainly includes motor control system, battery management system, energy feedback system, electric power steering system, etc. Among them, the motor drive control system is the main executive structure in the exercise of new energy vehicles, and the entire drive system includes the motor drive system and its mechanical transmission mechanism. The motor drive system is mainly composed of a motor, a power converter, a controller, and various detection sensors.
Compared with the control system of traditional automobiles, the number and complexity of the control units of the electronic control system of new energy automobiles are much higher than those of traditional automobiles; the various electronic control units can work better coordinated; and the requirements for stability and safety are also higher. This puts forward higher requirements for the electronic control system of new energy vehicles: the need for new development methods and means; the need to be able to provide system-level solutions, not just the operation of the controller; the unified software interface platform between component suppliers and system integrators; the development cycle is shortened.
Integration of electronic control system is the future development trend
As an important part of the new energy vehicle industry chain, the technology and manufacturing level of the electric motor electronic control system directly affect the performance and cost of the vehicle. At present, the degree of autonomy in the field of electronic control in China is still far behind that of batteries, and some core components of electric motor control, such as IGBT chips, still do not have fully independent production capacity, and there are still a few vehicle enterprises and parts enterprises with complete intellectual property rights of the system. With the gradual improvement of the domestic electric motor control system industry chain, the localization rate of the electric motor control system is gradually increasing, and the growth rate of the electric motor control market is expected to exceed the growth rate of the new energy vehicle market.
The design and calibration of the electronic control system is highly related to the motor system. According to the different matching motors, the electronic control system needs to develop different technical platforms. Early DC motors are generally controlled by pulse width modulation (PWM) chopper control, the control means is relatively single, the application also has limitations. With the extensive use of induction motors and permanent magnet motors, the complexity of electronic control systems has increased rapidly. Vector control technology and direct torque control technology have become the mainstream of electronic control products. The popularity of electric passenger cars has made electric motors and electronic control systems. The degree of integration is also getting higher and higher. It is foreseeable that in the future, the degree of business intersection between electric motors and electronic control companies will gradually increase. Companies that can provide electric motor and electronic control integrated powertrain products will help vehicle companies to further reduce vehicle weight and costs, and will have greater Competitiveness.
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