Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
Patent
1986-09-26
1988-09-20
Ro, Bentsu
Electricity: motive power systems
Positional servo systems
With particular motor control system responsive to the...
G05B 1101
Patent
active
047728361
ABSTRACT:
The present invention relates to a motorized electric control device provided with a joystick (14), characterized in that it comprises two electrtic torque motors (4, 5) whose axes of rotation are at right angles to one another, two forks (9, 10) coupled at one end to the respective torque motor shafts and offset relative to said shafts, the joystick being mounted for pivoting in relation to the point of intersection of the axes of rotation of the torque motors, resilient means for returning the joystick to a vertical position, rotary potentiometers (22) whose axis of rotation is fixed to the other ends of the forks (9, 10) and whose electric outputs constitute the control outputs of the device, and an electric circuit (30) connected to the outputs of the potentiometers and to the electric inputs of the torque motors in order to produce a resistant torque opposite and proportional to the inclination of the joystick (14) in the vertical position.
REFERENCES:
patent: 3497668 (1970-02-01), Hirsch
patent: 3644816 (1972-02-01), Gilbert
patent: 4054825 (1977-10-01), Baxter
patent: 4056763 (1977-11-01), Debrie et al.
patent: 4471280 (1984-09-01), Stack
patent: 4510574 (1985-04-01), Guittet et al.
patent: 4531080 (1985-07-01), Nordstrom et al.
patent: 4607202 (1986-08-01), Koenig
patent: 4608526 (1986-08-01), Martin et al.
Ro Bentsu
S.A.M.M. - Societe D'Applications Des Machines Motrices
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