使用 RBFN MPPT 控制器实现高升级转换器,用于基于燃料电池的电动汽车应用
Peer Mohamed A1, K R M Vijaya Chandrakala2, Saravanan S1
1Department of Electrical and Electronics Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, India.
Scientific reports
|November 26, 2024
概括
本研究介绍了一种新型的高升级直流-直流转换器,用于将质子交换膜燃料电池 (PEMF) 集成到电动汽车 (EV) 中. 基于神经网络的最大功率点跟踪 (MPPT) 控制器优化燃料电池功率输出,以提高电动汽车的性能.
科学领域:
- 电气工程 电气工程
- 可再生能源系统可再生能源系统
- 汽车技术 汽车技术
背景情况:
- 由于严格的排放法规,电动汽车 (EV) 面临着整合低压燃料电池电源的挑战.
- 质子交换膜燃料电池 (PEMF) 需要高效的功率转换,以满足电动汽车驱动系统的电压要求.
研究的目的:
- 提出一种新的非隔离的高级直流-直流转换器拓,用于无地将PEMF电池集成到EV动力系统中.
- 开发和验证基于神经网络 (NN) 的最大功率点跟踪 (MPPT) 控制器,以优化PEMF细胞能量提取.
主要方法:
- 一个经过修改的单端初级电感器转换器 (m-SEPIC) 与合电感器相结合,旨在实现高电压增益和效率.
- 对于MPPT控制器,采用了辐射基函数网络 (RBFN) 方法,其性能优于扰乱和观察 (P&O) 方法.
- 该系统通过模拟和实时实现使用dSPACE 1104控制器与200W BLDC电机驱动器进行了验证.
主要成果:
- 拟议的转换器实现了高电压增益,将24V提升到240V,损耗最小化,功率密度高.
- 在不同的燃料电池温度条件下,RBFN MPPT控制器表现出有效的性能.
- 实时实施证实了转换器的功能和适用于电动汽车应用的适用性.
结论:
- 新的高级直流-直流转换器拓学有效地将PEMF电池与电动汽车电机驱动集成在一起.
- 基于RBFN的MPPT控制器确保从PEMF电池中提取最佳功率,提高整体系统效率.
- 经过验证的系统显示了推动燃料电池电动汽车技术的重大前景.
更多相关视频
相关概念视频
03:12Batteries and Fuel Cells
27.0K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
27.0K
01:26PD Controller: Design
191
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,...
191
01:24PI Controller: Design
207
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...
207
01:30Control of Power Flow
253
There are several methods to control power flow in power systems:
253
01:24Fast Decoupled and DC Powerflow
173
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
173
01:19PID Controller
102
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...
102