ACTIVE CONTROL PULSE THRUST MEASURING APPARATUS

PROBLEM TO BE SOLVED: To provide a pulse thrust measuring apparatus for suppressing the vibration of an apparatus system even if short pulse thrust operates, and precisely measuring the short pulse thrust. SOLUTION: The pulse thrust measuring apparatus comprises: a thrust trestle 12 in which a thruster 2 for generating thrust is mounted; a support member 14 for supporting the thrust trestle so that it can travel in the thrust direction; a fixed member 16 fixed to the outside of the thrust trestle; a load detector 18 that is pinched between the fixed member and the thrust trestle for detecting a load operating between them; a displacement detection means 20 for detecting displacement (x) in the thrust direction of the thrust trestle; an actuator 22 for adding external force (u) in the thrust direction to the thrust trestle; and an active control unit 24 for controlling the external force (u) in the actuator according to the displacement (x), thus actively controlling the stiffness and/or attenuation characteristics of the thrust trestle. COPYRIGHT: (C)2005,JPO&NCIPI