DATA TRANSFORMATION METHOD AND SYSTEM, AND ATTITUDE MEASURING INSTRUMENT

摘要

PROBLEM TO BE SOLVED: To easily perform setting of alignment data necessary for performing transformation from a sensor coordinate system to a reference coordinate system at the time of performing attitude measurement of an object in the arbitrarily set reference coordinate system by using an attitude sensor. SOLUTION: The attitude sensor 130 measures its own attitude of the attitude sensor 130 in the sensor coordinate system and outputs the measured value of the attitude. A first alignment data setting section 410 reads out the first alignment data indicating the direction of the gravity in the reference coordinate system recorded in an external memory device not shown in Figure and sets the data in an attitude calculation section 940. A second alignment data setting section 420 sets the second alignment data indicating the difference angle of the azimuth direction between the sensor coordinate system and the reference coordinate system according to the command inputted by an operator from a command input section not shown in Figure and sets the data in the attitude calculation section 940. The attitude calculation section 940 calculates the attitude of the object in the reference coordinate system based on the measured value of the attitude inputted from the attitude sensor 130 by utilizing the first and second alignment data and outputs the data. COPYRIGHT: (C)2005,JPO&NCIPI