摘要
介绍一种基于加速度传感器的跳伞安全开启装置。该装置利用加速度传感器测量跳伞者加速度的变化,当跳伞者在飞机上开始跳伞时,跳出机舱瞬间人体竖直加速度发生变化,此时该装置开始计时,并利用下落的时间计算出下落高度;当降落到设定高度时,启动降落伞弹出装置,自动打开降落伞,使跳伞者减速下落,保证跳伞安全。
A parachuting safety device based on acceleration sensor is introduced.The device uses acceleration sensor to measure the changes of parachute＇s acceleration,while the parachuter is jumping out of the plane,his vertical acceleration changes immediately,the timer of the device starts,and the time of the timer is computed for the falling height.When the falling height reaches appropriate height,the ejection device is triggered to eject the parachute and open it,then the parachuter begins to slow down and lands safely.
出处
《传感器与微系统》
CSCD
北大核心
2013年第5期60-63,共4页
Transducer and Microsystem Technologies
关键词
加速度
跳伞
安全
acceleration
parachute
safety
