公开(公告)号：US11353343B2

公开(公告)日：2022-06-07

申请号：US17454087

申请日：2021-11-09

申请人： Dynapar Corporation ,  Hengstler GmbH

发明人： Robert Cachro ,  Mi{hacek over (s)}él Batmend ,  John Reading ,  Ryan Kirkendall ,  Michael Parks ,  Sarah Lauterbach ,  Eduard Ribar

IPC分类号： G01D5/34 ,  G01D5/347

摘要： Detection of mechanical coupling slippage in rotary encoder systems is provided where position data samples are obtained from a rotary encoder coupled to rotating element and angular acceleration data is determined based on the position data samples. At least two acceleration peaks are detected in the angular acceleration data, including at least one negative acceleration peak and at least one positive acceleration peak. Slippage occurrence of the mechanical coupling are detected when an interval between a negative acceleration peak and a positive acceleration peak of the at least two acceleration peaks is less than a first time period. If at least a threshold number of slippage occurrences are detected within a second time period, a mechanical coupling error signal is generated.