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电动汽车传动系统要求具有调速范围宽,恒功率运行区域宽和效率高的特点。本文提出一种合适的控制方案,能够保证电动汽车传动系统在整个运行区域内具有良好的动态和稳态性能,并且具有较高的运行效率。其中,规则采样电流控制的设计是重点,它需要一个考虑采样时间影响的精确离散模型。本文提出了一个合适的模型及控制器的设计方法。实验结果证明了其可行性。
Electric vehicle transmission system requires a wide speed range, constant power operating area wide and high efficiency. In this paper, a suitable control scheme is proposed to ensure that the driveline of EV has good dynamic and steady performance over the entire operating range and has high operating efficiency. Among them, the design of regular sampling current control is the focus, it needs an accurate discrete model considering the impact of sampling time. This paper presents a suitable model and controller design method. The experimental results prove its feasibility.