本发明提供一种固定翼飞机起降安全考核试验设备及试验方法，包括支撑柱、轨道、电磁缓冲头和运动框架，每对轨道之上横跨有一个运动框架，所述运动框架的两端部分别套接在所述轨道的所述梁上沿轨道上下滑动；在所述运动框架上与所述轨道下行方向套接点位置处设有电磁缓冲头接头用于通电状态下和电磁缓冲头配合，使承载有所述被测飞机的运动框架在试验条件下运动到所述轨道的底端时，使所述运动框架制动，所述被测飞机在所述试验条件下脱离所述运动框架继续试验。本发明提供的试验设备可以模拟控制固定翼飞机在试验所需条件下进行起降试验 ...
冯义辉 +5 more
core
Gaoya dianqi以电磁斥力驱动器作为操动机构的快速真空开关具有分闸速度快，分合闸时间短和分合闸时间分散性小的优势，目前已广泛应用于多种电力设备中。目前对于快速真空开关的分闸过程已有众多研究，但合闸过程的相关问题尚属空白。文中研究了快速真空开关合闸过程中触头弹跳问题。建立了多物理场耦合仿真模型，完整描述了快速真空开关的合闸过程。得到了快速真空开关的v1与Dmax的关系，其中v1为合闸过程中动静触头首次接触的瞬时速度，Dmax为动触头的最大弹跳距离。根据这一关系式，确定了合闸过程中无触头弹跳情况下的临界瞬时合闸速度vcri。
王协东, 陈萍
doaj
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