Accuracy Improvement of a Magnetic Sensor Signal of an Excavator Using 3-D FEM
نویسندگان
چکیده
High-class excavators have magnetic position sensors on a bucket, arm, and boom in order to inform the position of the bucket to the operator. The sensor signal is influenced by the eddy current. Therefore, the relationship between the stroke speed and sensor signal must be informed in order to compensate the bucket position. This paper describes an accuracy improvement of the magnetic sensor signal of the excavator using 3-D FEM and a compensation method of the bucket position. Finally, the compensation method is verified by carrying out measurements through a bench test.
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