Variable referenced control system for remotely operated vehicle

Details Variable referenced control system for remotely operated vehicle Variable referenced control system for remotely operated vehicle

1994-03-02

1996-09-03

Zanelli, Michael

Boots, shoes, and leggings

244 311, 341176, 180167, G06F16500

Patent

active

055529836

ABSTRACT:
A frame of reference is selected, and control inputs provided by a vehicle operator are transformed to account for the orientation of a remotely operated vehicle with respect to the selected frame of reference such that the remotely operated vehicle responds to the control inputs with respect to the selected frame of reference. An earth frame of reference may be selected based on a fixed true heading, e.g., North, or based on the initial orientation of the vehicle operator. Alternatively, a vehicle frame of reference may be selected which provides a fixed frame of reference with respect to the vehicle and a variable frame of reference with respect to the vehicle operator. A vehicle operator frame of reference may also be selected based on the orientation of the vehicle operator with respect to earth, and control commands are transformed based on changes in both the operator orientation with respect to the earth reference and the remotely operated vehicle orientation with respect to the earth reference, which provides a fixed frame of reference with respect to the vehicle operator and a variable frame of reference with respect to the vehicle. The remotely operated vehicle heading transformation may be based on a selected forward, fixed or variable point on the vehicle related to a vehicle center of gravity, a forward part of the vehicle, the location of a sensor on the vehicle, or some other arbitrary reference location on the vehicle.

REFERENCES:
patent: H1469 (1995-08-01), Simonoff
patent: 3557304 (1971-01-01), Rue et al.
patent: 4405943 (1983-09-01), Kanaly
patent: 4714140 (1987-12-01), Hatton et al.
patent: 4976435 (1990-12-01), Shatford et al.
patent: 5226204 (1993-07-01), Schoenberger et al.

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