A smart valve positioner system and method for automatic data logging, self-diagnosis, and preventive maintenance [0025] The present invention discloses a smart valve positioner system which is loop powered or powered through Fieldbus, Profibus and so on. Data pertaining to the operation of a control valve is collec...

A control valve diagnostics system utilizing g-force and valve position measurement sensors inside valve positioner [0030] The present invention discloses a control valve diagnostics system (100) which comprises of a smart valve positioner (101) having an inbuilt accelerometer (101a), inbuilt non-contact position se...