This paper firstly analyzes the mathematical model of permanent magnet synchronous motor in new energy electric vehicles. Secondly, two control strategies of vector control and direct
This study investigates key technologies and development trends for the motor drive system of new energy vehicles, including power semiconductor devices and their packaging, smart gate drivers, and the device-based system integration design, for the drive controllers; it also explores new motor technologies related to the hair-pin winding, multiphase permanent motor, and
The core technology of new energy vehicles that distinguishes them from traditional cars is "three powers," including electric drives, batteries, and electronic controls. The following is a detailed explanation of the basics of the three power:
The drive motor is a mechanical device that converts electrical energy into mechanical energy. It can provide power for the vehicle, drive the wheels to rotate and drive the vehicle. The working principle of the motor
The Motor Control Unit (MCU) is an electronic module that interfaces between the batteries (DC power sources) and the motor (AC or BLDC). Its main task is to control the EV''s speed and acceleration based on throttle input.
In summary, this chapter will focus on the AC motor widely used in new energy vehicles and its control methods. It first focuses on the structure and basic characteristics of
The core technology of new energy vehicles that distinguishes them from traditional cars is "three powers," including electric drives, batteries, and electronic controls.
It provides an overview of traditional control methods for inverters – e.g. PWM and SVPWM – and the theory of the m-mode control method, while also discussing and
This paper presents a review on the recent research and technical progress of electric motor systems and electric powertrains for new energy vehicles. Through the analysis and comparison of direct current motor, induction motor, and synchronous motor, it is found that permanent magnet synchronous motor has better overall performance; by
Keywords New energy v ehicle · Traction motor · Motor control · P ower electronics con verter · Control algorithm · Permanent magnet synchronous motor · Electric motor · Electric powertrain
Among them, the total control center of the new energy vehicle power system is the motor controller, the power core of the new energy vehicle mainly from the power battery, motor and electronic control; where the power battery provides the power source for the vehicle, while the motor electric control is used as the drive control system of the
Lithium-ion batteries are becoming increasingly a popular energy storage form in electric vehicles (EVs) industry. However, the performance of EVs depends largely on the properties of batteries.
This paper firstly analyzes the mathematical model of permanent magnet synchronous motor in new energy electric vehicles. Secondly, two control strategies of vector control and direct torque control are given. Finally, the simulation system is built in a MATLAB/ Simulink environment, and the two strategies are compared and analyzed.
The electric energy generated is transmitted to the battery through the control unit, and then transmitted by the battery to the motor to be converted into kinetic energy. Finally, the kinetic
The drive motor is a mechanical device that converts electrical energy into mechanical energy. It can provide power for the vehicle, drive the wheels to rotate and drive the vehicle. The working principle of the motor relies on electromagnetic action, and the acceleration, speed control and energy efficiency are optimized through
Among them, the total control center of the new energy vehicle power system is the motor controller, the power core of the new energy vehicle mainly from the power battery,
It provides an overview of traditional control methods for inverters – e.g. PWM and SVPWM – and the theory of the m-mode control method, while also discussing and applying m-mode control on...
This paper investigates the architecture vehicle electronic control system development platform using a new energy vehicle powered vehicle test bed through computerized big data technology. In this paper, the working principle of the system is demonstrated by means of this computer big data modeling. The article studied the working principle
batteries of new energy vehicles usually include lithium-ion batteries, nickel metal hydride batteries, lead acid batteries and fuel cells, each of which has advantages and dis advantages.
According to a research report on talents in the field of battery, electric motor, and electric control system of new energy released by the China Automotive Talents Society, it points out that though the development of the automotive industry has slowed down, talents in the field of NEVs are still much needed. In particular, there is a lack of
The three electric vehicles of new energy vehicles refer to: Power Battery, Drive Motor, and Vehicle Electronic Control. Sanden International, USA, Inc. is the core of new energy vehicles, and in the development of power battery technology, new technologies and new hot spots appear from time to time.
When the torque generates an error, the new energy vehicle that needs the motor to complete the acceleration, the mileage is converted to need to consume the same amount of energy to complete the battery, and the cost of the battery is greater than the motor, so the efficiency and performance of the new energy vehicle motor to Important. At
This paper presents a review on the recent research and technical progress of electric motor systems and electric powertrains for new energy vehicles. Through the analysis and comparison of direct current motor,
The electric energy generated is transmitted to the battery through the control unit, and then transmitted by the battery to the motor to be converted into kinetic energy. Finally, the kinetic energy is used to drive the vehicle by the shift gear. With this connection, the battery regulates between the amount of energy produced by the generator
The motor and energy systems of different models are analyzed, the advantages and disadvantages of speed, energy efficiency, and distance of travel of the four types of new energy vehicles are
Systematically describes the motor NVH and new energy vehicle control problems; Includes numerous examples of engineering applications ; Describes the reliability theory and high-strength component technology of new energy vehicle transmission system; Part of the book series: Key Technologies on New Energy Vehicles (KTNEV) 4188 Accesses. 1 Citations. Buy print copy.
In summary, this chapter will focus on the AC motor widely used in new energy vehicles and its control methods. It first focuses on the structure and basic characteristics of the AC induction motor, permanent magnet motor and switched reluctance motor; then introduces then the principle and structure of the commonly used power electronic
Principles of DC motor controller classifications. DC Motor Type. First, controllers vary according to the type of DC motor. For example, unlike a brushed DC motor, a brushless DC (BLDC) motor has an electronic
The three electric vehicles of new energy vehicles refer to: Power Battery, Drive Motor, and Vehicle Electronic Control. Sanden International, USA, Inc. is the core of new energy vehicles, and in the development of power battery technology,
Working principle: When the battery is sufficient, the power battery drives the motor to provide the driving power of the whole vehicle. At this time, the engine is not working.
The electric vehicle has a variety of powertrain architectures, the connections between the motor and the transmission or other drive mechanisms are diverse. The common battery electric vehicle structure and its powertrain system are shown in Fig. 3.1.
Battery EV (BEV) powertrain generally includes the motor, power electronics control system, and reducer or transmission. Its configuration depends mainly on the layout of the electric drive system inside the vehicle.
Policies and ethics The “Three-electricity” system (battery system, electric drive system and electric control system) is the most important component of a new energy vehicle. Compared with the battery system, which determines the driving distance of the new energy vehicle,...
Initially developed for AC motors, Vector Control (also known as FOC, the acronym for Field Orientation Control) is currently the most advanced control method available. In an electric motor, the torque varies with the stator and rotor fields, reaching its maximum when the two fields are orthogonal.
The motor control algorithms used in EVs will therefore depend on the type of motor and control (open or closed loop). The latter necessarily requires the presence of sensors capable of accurately determining the motor’s position at any moment. This information can be summarized in the following table:
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