针对基于NI 系统的电机试验台在多品种电机测试中换型效率低、程序修改复杂的问题，本文开展试验台控制技术优化研究。文章阐述基于NI-XNET 的DBC 文件动态解析原理，通过柔性控制实现试验配方快速切换的方法，优化电机调速加载控制策略，有效提升试验台适应性与测试效率。

Addressing the issues of low efficiency in model change and complex program modification in multi-type motor testing on NI-based motor test benches, this paper investigates test bench control technology. This study elaborates on the dynamic parsing principle of DBC files based on NI-XNET, introduces a method for rapid switching of test recipes through flexible control, optimizes the motor speed regulation and loading control strategy, and effectively enhances the adaptability and testing efficiency of the test bench.