Title:
CONTROLLER FOR ARTIFICIAL SATELLITE
Document Type and Number:
Japanese Patent JPH0397013
Kind Code:
A
Abstract:
PURPOSE:To perform the relative position control of high precision and to prevent the excitation of structural vibration by comparing the present attitude of a manipulator with the compensating thrust of an artificial satellite to perform the feedback control. CONSTITUTION:A means 6 (compensator) which estimates the compensating thrust to be given to the artificial satellite having the manipulator in accordance with the present relative position and the relative speed of the artificial satellite 1 to a working object and given object values and a means 9 (triangular wave or saw tooth wave generator) 9 which generates a triangular wave or a saw tooth wave with an oscillation frequency different from the present natural vibration frequency of the satellite 1 are provided. Further, a means 10 (comparator) which compares the compensating thrust and the triangular wave or the saw tooth wave, a pulse generating means 11 which determines the timing of turning-on/off of a pulse by the comparison result signal and determines the code of the pulse by the code of the compensating thrust, and a means 2 (thruster and controller) which controls a thrust generator by the generated pulse are provided. Thus, the stable control where structural vibration is hardly excited is performed and the control precision is improved.
Inventors:
KOMATSU OSAMU
Application Number:
JP23302289A
Publication Date:
April 23, 1991
Filing Date:
September 11, 1989
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
B25J9/10; B64G1/24; G05D1/08; G05D1/10; B64G1/26; (IPC1-7): B25J9/10; B64G1/26; G05D1/08; G05D1/10
Attorney, Agent or Firm:
Hidekazu Miyoshi (1 outside)
Next Patent: JPH0397014