Patent ID: 9726571
Date: 2017-08-08
CPC Classifications: B64G,G01B,G01M,G02B

Claim:
1. A pointing axis estimation apparatus, comprising: a laser light source unit comprising a laser light source; a telescope unit to which a laser light emitted from the laser light source is entered; a first inertial sensor installed on the laser light source unit; a processor programmed to perform as a laser light source-unit attitude detector that calculates translational and rotational displacements of the laser light source unit based on information from the first inertial sensor; an optical axis detection unit including a second inertial sensor and an optical axis error detector for detecting a laser optical axis variation of the laser light emitted from the telescope unit; the processor further programmed to perform as an optical axis detection-unit attitude detector that calculates translational and rotational displacements of the optical axis detection unit based on information from the second inertial sensor; the processor further programmed to perform as a pointing axis calculator that calculates a pointing axis variation of the telescope unit based on information from the optical axis error detector; and the processor further programmed to perform as a pointing error estimator that calculates a true pointing error of the telescope unit based on displacement data output from the laser light source-unit attitude detector, the optical axis detection-unit attitude detector, and the pointing axis calculator.