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本文设计并实现了一种基于TMS 320F28069的小型无人机舵系统控制器。取消了原机舵系统的模拟通讯方式,改用RS485接口与飞控计算机进行通讯。在分析舵系统工作原理基础上,基于TMS 320F28069控制精度高、功耗低、外设丰富的优点,进行了软、硬件结构的模块化设计。实验表明,本文设计的控制器可靠性强、稳定性好、控制精度高,可以消除外界干扰对舵系统的影响。
This article designed and implemented a small UAS rudder system controller based on TMS 320F28069. Cancel the original aircraft rudder analog communication system, switch to the RS485 interface and flight control computer to communicate. Based on the analysis of the working principle of the rudder system, based on the advantages of TMS320F28069 control precision, low power consumption and rich peripherals, the modular design of software and hardware structure was carried out. Experiments show that the controller designed in this paper has high reliability, good stability and high control accuracy, which can eliminate the influence of external disturbance on the rudder system.