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A new control strategy and its real-time implementation were presented for a power transmission line bolt tightening robot. In order to overcome the influence of the wind, a prediction algorithm of multi-sensor information fusion optimal Kalman filter is adopted to predict the trajectory of the camera. The trajectory of the bolt uses a least squares method based on the interest area. Torque coefficient control method was presented to assure the conformity of the pre-tightening force of different screw threads. Experimental results show that the proposed bolt aligning and tightening strategy can achieve the work timely and have high efficiency. Keywords-sensor fusion; kalman filter; least square method; interest area; infrared detection; torque coefficient control

The Study of Control Strategy for Bolt Tightening Robot on Power Transmission Lines