Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Construction or agricultural-type vehicle
Patent
1998-03-18
2000-10-31
Nguyen, Tan
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Construction or agricultural-type vehicle
701 41, 701 67, 180 67, 192 543, F16D 4320, B62D 1108
Patent
active
061416134
ABSTRACT:
The present invention is an apparatus and method to control the steering of a tracked machine having a clutch/brake steering system. The tracked machine has a left drive and a right drive. The left drive has a clutch and brake and the right drive has a clutch and brake. The present invention includes a navigator to determine a desired trajectory, determine a desired left drive velocity and a desired right drive velocity, and generate desired left and right drive velocity signals. The present invention also includes a left speed sensor and a right speed sensor to determine actual left and right drive velocities, and generate actual left and right drive velocity signals. A clutch/brake controller is included to receive the desired left and right drive velocity signals and the actual left and right drive velocity signals, and control at least one of the left and right drive velocities.
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Caterpillar Inc.
Lundquist Steve D.
Nguyen Tan
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