離li心xin機ji常chang用yong的de振zhen動dong檢jian測ce方fang法fa是shi通tong過guo檢jian測ce離li心xin機ji振zhen動dong幅fu度du來lai實shi現xian的de。通tong常chang的de做zuo法fa是shi在zai離li心xin機ji一yi定ding位wei置zhi的de地di方fang安an裝zhuang限xian位wei開kai關guan或huo接jie近jin開kai關guan，當dang離li心xin機ji振zhen動dong幅fu度du達da到dao一yi定ding程cheng度du時shi限xian位wei開kai關guan被bei接jie通tong或huo接jie近jin開kai關guan檢jian測ce到dao信xin號hao時shi切qie斷duan驅qu動dong電dian機ji的de電dian源yuan並bing製zhi動dong，旋xuan轉zhuan體ti受shou到dao重zhong力li和he製zhi動dong力li的de作zuo用yong，離li心xin機ji轉zhuan速su及ji振zhen動dong振zhen幅fu逐zhu漸jian減jian小xiao，從cong而er保bao護hu離li心xin機ji不bu致zhi於yu損sun壞huai造zao成cheng事shi故gu。由you於yu離li心xin機ji在zai相xiang同tong振zhen幅fu不bu同tong轉zhuan速su下xia所suo受shou的de徑jing向xiang衝chong擊ji力li是shi不bu同tong的de，其qi動dong不bu平ping衡heng造zao成cheng的de徑jing向xiang衝chong擊ji力li與yu轉zhuan速su的de平ping方fang成cheng正zheng比bi
，因yin此ci以yi離li心xin機ji振zhen幅fu作zuo為wei保bao護hu條tiao件jian是shi不bu完wan備bei的de。離li心xin機ji的de動dong不bu平ping衡heng保bao護hu應ying以yi軸zhou係xi徑jing向xiang受shou到dao的de衝chong擊ji力li作zuo為wei離li心xin機ji振zhen動dong保bao護hu條tiao件jian，根gen據ju牛niu頓dun第di二er定ding律lv作zuo用yong力li與yu物wu體ti的de加jia速su度du成cheng正zheng比bi，可ke以yi通tong過guo測ce量liang離li心xin機ji機ji體ti的de加jia速su度du來lai實shi現xian衝chong擊ji力li的de測ce量liang

，離li心xin機ji自zi動dong控kong製zhi器qi可ke根gen據ju機ji體ti的de加jia速su度du及ji轉zhuan速su對dui離li心xin機ji進jin行xing控kong製zhi
， 以減少衝擊避免事故發生。