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Steven P Degroote, 57433 S Railway St, Mascoutah, IL 62258
Steven Degroote Phones & Addresses
433 S Railway St, Mascoutah, IL 62258 618-5668599
Gilbertsville, PA
433 S Railway St, Mascoutah, IL 62258
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Us Patents
System And Method Of Command Signal Conditioning In High Response Systems
US Patent:
7723941, May 25, 2010
Filed:
Dec 29, 2003
Appl. No.:
10/748001
Inventors:
Jeffrey M. Roach - St. Charles MO, US
Steven H. Degroote - Creve Coeur MO, US
Steven H. Degroote - Creve Coeur MO, US
Assignee:
The Boeing Company - Chicago IL
International Classification:
G05B 19/29
US Classification:
318600, 318560, 388801
Abstract:
A system and method of command signal conditioning in high response systems is disclosed. The system includes a central digital controller having a digital controller frame rate, a motor, a motor controller in communication with the digital controller and the motor, the motor controller having a motor controller frame rate higher than the digital controller frame rate, and a signal conditioner adapted to condition the command signal to produce a modified command signal at the motor controller frame rate. The signal conditioner is preferably implemented in software. In one embodiment, the signal conditioner is adapted to calculate a moving average at the frame rate of the motor controller. In another embodiment, the signal conditioner comprises a first order hold and a filter in communication therewith. A method of command signal conditioning in accordance with the foregoing is also disclosed.
Compensation For Generic Servoamplifier Usage With High Performance Direct Drive Valves
US Patent:
5973470, Oct 26, 1999
Filed:
Mar 25, 1998
Appl. No.:
9/047706
Inventors:
Steven H. Degroote - Creve Coeur MO
Assignee:
McDonnell Douglas Corp. - St. Louis MO
International Classification:
G05D 23275
US Classification:
318632
Abstract:
A compensation design allows for use of a generic servoamplifier for multiple types of actuator Direct Drive Valves (DDV). Cost savings can be realized by using common electronics applied to multiple actuator types. The implementation allows for design of the compensation directly from experimentally or analytically derived frequency performance curves of the generic servoamplifier resulting in the performance comparable to a custom servoamplifier for the direct drive valves.
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