Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1996-02-28
1998-05-26
Sircus, Brian
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318543, 318546, H01H 3942
Patent
active
057571589
ABSTRACT:
A control device for operating a machine is disclosed. The control device includes a joystick having a central axis and being universally moveable along a first and second axis in a plane perpendicular to the central axis, and a rotatable operator control station that houses the joystick. A joystick position sensor senses the position of the joystick and responsively generates a set of operator command signals corresponding to the displacement and direction of the joystick from the central axis in the first and second axis. A operator station position sensor senses the rotational position of the operator station and responsively generates a position signal. A controller receives the operator command and position signals, and responsively transposes the function of the joystick axis to correspond to the orientation of the machine.
REFERENCES:
patent: 5002454 (1991-03-01), Hadank et al.
patent: 5038887 (1991-08-01), Sousek
patent: 5456332 (1995-10-01), Borenstein
patent: 5552983 (1996-09-01), Thornberg et al.
Ferguson Alan L.
Grembowicz Conrad G.
Caterpillar Paving Products Inc.
Masterson David M.
Sircus Brian
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