<p>A rotary encoder using built-in self test ability with redundant and fault tolerant position sensing. Wherein the rotary encoder is used with a variety of rotary equipment including a valve actuator including the generation of speed data (1). The use for diagnosing valve actuator problem and other rotary equipment includes the frequency analysis performed upon speed or position or torque or thrust or vibration data including the speed or position data of the valve provided by the rotary encoder.</p>
申请公布号
WO2007123522(A1)
申请公布日期
2007.11.01
申请号
WO2006US15174
申请日期
2006.04.21
申请人
FLOWSERVE MANAGEMENT COMPANY;DOLENTI, WILLIAM, T.;FLEURY, BYRON;MORRIS, DANIEL, J.;HOOSS, WILLIAM, C.
发明人
DOLENTI, WILLIAM, T.;FLEURY, BYRON;MORRIS, DANIEL, J.;HOOSS, WILLIAM, C.