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To solve the precision self-positioning problem for mobile robot, a positioning program based on ultra-wideband technology was proposed. Ultra-wideband pulse has very high bandwidth; ranging accuracy can achieve centimeter-level theoretically. The mobile robot obtained the distance to the reference node by sending uitra-wideband pulse. According to the geometric relations among the References and the robot, establish equations to calculate the position coordinates.Then Kalman filter algorithm was applied for mobile robot tracking.Simulation results show that robot positioning and tracking based on ultra-wideband technology can achieve indoor and outdoor seamless docking. 相似文献
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