Abstract
As the smaller environmental impact, ultrasonic technology is widely used in measurement, automotive, medical, chemical, aerospace, mechanical, exploration, biological, food and other fields, especially in the detection distance. The reason why intelligent autonomous mobile robot can move autonomously is that it has obstacle avoidance or positioning system in robot system. The effective detection distance of ultrasonic wave is between 5-10m, which is usually used in short distance measurement. The robot uses ultrasonic technology in detecting the distance of obstacles. In view of this, this paper introduces a MCU control receiver and transmitter ultrasonic range finder, which based on a fully integrated high-speed, high-performance hybrid signal processing system. In this paper, the hardware design of ultrasonic range finder is discussed in detail, and the solution to the temperature drift of ultrasonic wave is given. Finally, the rangefinder is mounted on the robot for practical testing. The test data show that the Ultrasonic distance measurement finder described in this paper has good ranging performance, and it can meet the requirements of robot rangefinder.
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