使用适应性比例整体共振控制器减少速度和电流波,用于基于PMSM的电动汽车驱动器
Elango Sangeetha1, Vijaya Priya Ramachandran2
1School of Electrical Engineering, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India.
Scientific reports
|July 21, 2025
概括
本研究介绍了一种适应性控制策略,以减少电动汽车永久磁铁同步机 (PMSM) 中的扭矩波动. 该方法通过减轻波扭曲来提高驾驶流性和效率.
科学领域:
- 电气工程 电气工程
- 汽车工程 汽车工程
- 控制系统 控制系统
背景情况:
- 永久磁铁同步机 (PMSM) 为电动汽车 (EV) 推进提供高扭矩密度和效率.
- 然而,PMSM由于扭矩振动阻尼不佳而遭受扭矩波动,影响乘客舒适度和限制能源节约.
- 不理想的系统组件,如旋转器流量波,制扭矩,电流测量误差和逆变器死时间,都会导致扭矩波.
研究的目的:
- 提出和验证一个速度电流自适应的比例整体共振 (PIR) 控制策略.
- 为了减轻周期扭矩波,并确保PMSM驱动系统的顺转速控制.
- 分析非理想组件对系统性能和稳定性的影响.
主要方法:
- 开发一个适应速度和电流的PIR控制策略.
- 分析非理想组件对速度和电流的影响.
- 稳定性分析考虑循环延迟,以实现最佳参数调整.
- 使用OPAL-RT OP5700平台进行模拟和实时测试.
主要成果:
- 适应式PIR控制器有效地减少周期速度电流波,降低总波扭曲 (THD).
- 系统稳定性,整体性能和效率显著提高.
- 与传统策略相比,拟议的方法在模拟和实时测试中显示出更高的性能.
结论:
- 适应性PIR控制策略成功地减少了扭矩波动,并改善了电动汽车的PMSM驱动性能.
- 降低的THD值导致更稳定,更高效,更舒适的驾驶体验.
- 这种方法解决了PMSM利用的关键挑战,以提高车辆的能源经济性.
相关概念视频
Time-Domain Interpretation of PD Control
181
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...
181
Frequency-Domain Interpretation of PD Control
178
Proportional-Derivative (PD) controllers are widely used in fan control systems to improve stability and performance. A fan control system can be effectively represented using a Bode plot to illustrate the impact of a PD controller through its transfer function. The Bode plot visually conveys how PD control modifies the fan's response across various frequencies, providing a frequency domain interpretation of the controller's behavior.
The proportional control gain, combined with the...
The proportional control gain, combined with the...
178
PD Controller: Design
353
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
353
PI Controller: Design
503
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
503
PID Controller
238
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
238
Time and frequency -Domain Interpretation of PI Control
207
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
207


