Low-gravity simulation platforms play a crucial role in investigating motion states of the lander when landing on the surface of other planets. During the high-speed landing of landers, platforms demand for constant force in real time. A hybrid Fuzzy-PI strategy is proposed in this paper to improve the tracing accurate of force for the high-speed landing system. To enhance contrasts, conventional PI control scheme is also complemented. In view of the characteristic of large-inertia systems, influence of friction on the experiment cannot be neglected. Therefore, a friction measurement experiment is carried out to ensure the accuracy of the numerical simulation results. First, a theoretical model of the system comprised of motors, retarders, rollers and loads is analyzed. Furthermore, simulations of the theoretical model under different disturbing force are compared between these two control methods (Fuzzy-PI and PI), which verifies great effectiveness and performance of the proposed strategy. Finally, experiments are conducted to evaluate the model, and the results are satisfactory.

当着陆器着陆在其他行星的表面上时，低重力模拟平台在研究着陆器的运动状态中起着至关重要的作用。在着陆器高速着陆期间，平台需要实时提供恒定的力量。为了提高高速着陆系统的力跟踪精度，本文提出了一种混合的Fuzzy-PI策略。为了增强对比度，还对常规PI控制方案进行了补充。鉴于大惯性系统的特性，不能忽略摩擦对实验的影响。因此，进行摩擦测量实验以确保数值模拟结果的准确性。首先，分析了由电动机，减速器，压路机和负载组成的系统的理论模型。此外，比较了两种控制方法（Fuzzy-PI和PI）在不同干扰力下的理论模型仿真结果，验证了所提策略的有效性和性能。最后，通过实验对模型进行了评估，结果令人满意。