The application and research of the aircraft flexible fixture

主要研究气动、液压与电传技术在航空制造业中装配工艺中的应用。对研制出数控机床气动柔性夹紧系统,及其在飞机上零件加工上的应用进行了详细论述,包括柔性系统的机构组成、工作原理及PlC控制系统。该技术的突破为我国飞机数字化加工装配提供了参考价值,并将促进航空制造业的跨越式发展。The application of the pneumatic,hydraulic and power transmission for assembly process and equipment in aviation manufacturing industry is study.A novel type of CNC Aircraft Flexible Fixture machine system has been made out,and applied in manufacturing the aircraft parts.The system is including in architecture of the composition,working theory,PLC control system.It has a great signification of the manufacturing technology for aircraft digital processing,manufacturing and assembling,and promoting the developing of aircraft manufacturing

design and implementation of double id space based peer-to-peer file system

提出并实现了一种建立在Peer-to-Peer 搜索策略上的自组织、自适应、高效和可靠的文件系统DISPFS(Double ID Space basedPeer-to-peer File System)。它在双层ID 空间中构造虚拟存储节点,不仅有效地取得了文件系统内的负载均衡、提高系统利用率,而且保证了动态环境中文件的可靠、快速获取。试验数据表明,DISPFS 在系统接近满负荷运行和文件插入/删除操作频繁的双重压力下依然保持优良的性能