To study the tracking performance of laser communication optical antenna,decrease the servodrive error,and enhance design efficiency,the paper performs the joint simulation of ADAMS and MATLAB for one-to-multiple laser communication system. In the joint simulation, soft ADAMS builds the dynamics model and soft MATLAB builds the system model. From the simulation results, we can see that the one-to-multiple laser communication optical antenna owns the nice tracking performance and in steady state of system, tracking errors are less than 0.4% of target value. The results also show that the joint simulation model is able to express tracking performance of optical antenna, in-crease the design efficiency sharply and minish servodrive errors, which provides theoretical foundation for studying the rationality of principled sample machine.%为了研究激光通信跟踪天线的跟踪性能、减小伺服传动误差、提高设计效率，采用ADAMS和Matlab对一对多激光通信跟踪天线的性能进行机－电联合仿真。利用ADAMS搭建动力学模型，Matlab搭建控制系统模型，然后利用控制系统模型和动力学模型组成联合仿真模型，对一对多激光通信跟踪天线进行联合仿真。由一对多激光通信跟踪天线的联合仿真结果可以得出：一对多激光通信跟踪天线具有良好的跟踪性能，系统稳定状态下，跟踪误差小于目标值的0.4%以下。结果表明：建立的联合仿真模型能够精确地反应跟踪天线的跟踪性能，极大地提高了设计效率，减小了伺服传动误差，为原理样机的研制提供了理论依据。
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