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김재훈(J. H. Kim),강현구(H. K. Kang),배종호(J. H. Bae),정우용(W. Y. Jung) 유공압건설기계학회 2015 유공압건설기계학회 학술대회논문집 Vol.2015 No.10
The accurate calculation of bucket tip position has large influence on showing the motion of excavator on the display device and controlling the excavator automatically. It is generally known that IMU sensor is more accurate than the accelerometer-based sensor while the boom, arm or bucket move because additional force except gravity adds additional acceleration to the sensors. To prove the accuracy difference between the two type of sensors, the position recognition system using accelerometer-based sensor and IMU sensor is implemented on the excavator. The experimental results shows that the system using IMU sensor reduces the position recognition error while bucket moves and additional force except gravity exists.