Boots – shoes – and leggings
Patent
1990-08-08
1993-01-12
Smith, Jerry
Boots, shoes, and leggings
364174, 395 97, 395 85, 31856818, 31856822, G06F 1546, G05B 1942
Patent
active
051795140
ABSTRACT:
A method and device for trajectory control of robot manipulators include selecting a trajectory pattern which corresponds to a desired trajectory which the robot manipulator is to follow. The trajectory pattern is in the form of a sinusoidal time function and a selected number of its harmonics. A signal generator generates a sinusoidal time-varying signal and selected harmonic signals. The signals are provided to a trajectory synthesizer and to a constant matrix gain stage. The trajectory synthesizer provides desired position and velocity vector signals, and the constant matrix gain stage provides a feedforward torque vector signal. First and second subtractors subtract actual position and velocity vector signals respectively from the desired position and velocity vector signals. The subtractors provide position and velocity error vector signals. The position and velocity error vector signals are amplified in respective first and second amplifiers or gain stages, and the amplified error vector signals are added together, along with the feedforward torque vector signal, in an adder to provide an actuation vector signal to drive the robot manipulator.
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Fardanesh Behruz
Rastegar Jahangir S.
Gordon Paul
Smith Jerry
The Research Foundation of State University of New York
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