高可靠数字式起落架收放控制系统设计  

Design of High Reliability Digital Landing Gear Control System

作　　者：李志勇[1] 李胜军[1] 

机构地区：[1]中航工业第一飞机设计研究院,陕西西安710089

出　　处：《测控技术》2014年第7期73-75,共3页Measurement & Control Technology

摘　　要：提出了一种高可靠数字式起落架收放控制系统,描述了其结构特点和工作原理。通过软硬件相结合的方式实现了两台计算机之间的切换,并用QuartusⅡ软件对系统的切换逻辑进行了仿真,仿真结果表明方案切实可行。该系统采用了收放手柄辅助余度切换功能,相比传统的两余度系统具有更高的可靠性。A high reliability digital landing gear control system is presented.The working principle and structure of the system are also described.The switch between two computers is realized by the combination of the hardware and software.The simulation results with the software Quartus II show that the design is feasible.By comparison with the traditional dual redundancy system,the system synchronized with the landing gear control lever helping with the redundancy switch has a higher reliability.

关 键 词：数字式起落架收放控制系统 二余度 切换 可靠性 

分 类 号：TP302.8[自动化与计算机技术—计算机系统结构]