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This paper deals with the study of modeling and prediction of the contamination in the traveling hydraulic circuit of the construction machinery. Using the number of instantaneous contamination particles as contamination transfer characteristic, the author has established the contamination model of typical traveling hydraulic system of the construction machinery. Then, a kind of method based on Kalman...
This paper proposed a novel method providing high-update rate vehicle posture and velocity estimation using real-time kinematics global position system (RTK-GPS) and simple in-vehicle speed sensors. The RTK-GPS noise processing techniques are used to discard the noises that do not satisfy the Kalman filter model. Combining the RTK-GPS and speed sensors using extended Kalman filter (EKF) provided a...
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