Method for commissioning actuators

Details Method for commissioning actuators Method for commissioning actuators

2008-12-04

2010-12-21

Kundu, Sujoy K (Department: 2863)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Position measurement

C702S182000, C279S004010, C279S004020, C251S003000, C251S014000, C251S020000, C251S021000, C251S023000, C251S057000, C251S058000, C251S060000, C137S118020, C137S174000, C137S281000, C073S001570, C073S012080, C073S037000, C073S037600

Reexamination Certificate

active

07856333

ABSTRACT:
The disclosure relates to a method for commissioning pneumatically operated actuators that are controlled by a positioner. To determine the drive type, a constant flow of pneumatic fluid is applied to the actuator during commissioning while a drive-specific characteristic curve of the fed back position is recorded over time. Then the measured characteristic curve is compared with a given specimen characteristic curve. The drive type is inferred from the level of difference or agreement between the drive-specific characteristic curve and the specimen characteristic curve.

REFERENCES:
Daw et al. “Parameter Identification for Nonlinear Pneumatic Cylinder Actuators,” Nonliner and Adaptive Contrl, LNCIS 281, pp. 77-88, 2003.

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