对于永久磁铁同步电机和实验验证的新型稳定控制与干扰排斥
Zheng Wang1,2, ShengChao Zhen1,3,4, Qiong Huang5
1School of Mechanical Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China.
The Review of scientific instruments
|January 9, 2025
概括
本研究介绍了永磁同步电机 (PMSM) 的强大控制策略,以提高位置跟踪精度. 新型控制器有效地减少了系统不确定性和负载变化造成的性能下降.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 机器人技术 机器人技术 机器人技术
背景情况:
- 永久磁铁同步电机 (PMSM) 在现代自动化中至关重要.
- 准确的位置跟踪对于PMSM应用至关重要.
- 系统参数和负载波动挑战PMSM的动态性能.
研究的目的:
- 为PMSM位置跟踪提出一种新的强有力的控制策略.
- 为了减轻系统参数和负载波动对PMSM动态性能的影响.
- 为了提高PMSM位置控制的准确性和稳定性.
主要方法:
- 一个强大的控制元件,利用利亚普诺夫方法来解决不确定性.
- 一个名义上的控制元件,由系统的动态模型稳定.
- 为了证明系统的局限性,莱阿普诺夫最小值方法.
- 在PMSM测试平台上使用cSPACE快速控制器进行建模和实验调查.
主要成果:
- 开发的控制器显著提高了PMSM位置跟踪性能.
- 该策略有效地减少了参数不确定性,非线性摩擦和外部干扰的影响.
- 实验和模拟结果验证了控制器在模糊条件下的有效性.
结论:
- 拟议的强有力的控制策略为PMSM提供了卓越的位置跟踪.
- 控制器表现出对系统不确定性和负载变化的弹性.
- 这种方法提高了PMSM控制系统的可靠性和精度.
相关概念视频
Time-Domain Interpretation of PD Control
83
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
83
Control of Power Flow
251
There are several methods to control power flow in power systems:
251
Torque On A Current Loop In A Magnetic Field
3.8K
The most common application of magnetic force on current-carrying wires is in electric motors. These consist of loops of wire, which are placed between the magnets with a magnetic field. When current flows through the loops, the magnetic field applies torque, which causes the shaft to rotate, thus converting electrical energy to mechanical energy.
Consider a rectangular current-carrying loop containing N turns of wire, placed in a uniform magnetic field. The net force on a current-carrying loop...
Consider a rectangular current-carrying loop containing N turns of wire, placed in a uniform magnetic field. The net force on a current-carrying loop...
3.8K
Generator Voltage Control
118
Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand,...
118
Multimachine Stability
140
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
140
Electro-mechanical Systems
915
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
915


