CLOSED LOOP SERVO CONTROLS
Ames Research Center, Moffett Field, California
VERTICAL MOTION SIMULATOR,
N243
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Vertical axis dc motor current limiting controls analysis and design
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4-axis hydraulic servo valve replacement and tuning
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Digital servo controller investigating and testing
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Lateral axis dc motor current balancing and tuning
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Digital servo cross coupling reduction investigation
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On call support for trouble shooting and baseline testing
Arc Jet FACILITIES, N234 and N238
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20 MW dc power supply current loop controller integration and current feedback transducer replacement
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20 MW dc power supply saturable reactor bias supply cabinet replacement
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60 MW dc power supply current loop controller digital replacement design, programming and installation tuning
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60 MW dc power supply current feedback transducer design and installation
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On call support for tuning modifications and troubleshooting for both the 60 MW and 20MW dc power supplies
