Title :
Pipelined sampling techniques for sonar tracking systems
Author :
Hanebeck, Uwe D.
Author_Institution :
Inst. of Autom. Control Eng., Tech. Univ. Munchen, Germany
Abstract :
Introduces fast sampling strategies for pulse-echo time-of-flight sonar using time multiplexing. As a result, multiple interlaced measurement streams are employed to achieve high sampling rates without sacrificing range accuracy. The method considers receiver blanking constraints caused by imperfect acoustic decoupling between transmitter and receivers. Furthermore, uncertainties due to measurement noise and moving targets are taken into account. The proposed approach has been experimentally validated for sampling rates of up to 450 Hz with a multi sonar system mounted on a mobile robot
Keywords :
distance measurement; mobile robots; multiplexing; signal sampling; sonar tracking; ultrasonic transducers; 450 Hz; fast sampling strategies; measurement noise; mobile robot; moving targets; multiple interlaced measurement streams; pipelined sampling techniques; pulse-echo time-of-flight sonar; range accuracy; receiver blanking constraints; sonar tracking systems; time multiplexing; Acoustic measurements; Acoustic noise; Acoustic pulses; Blanking; Measurement uncertainty; Mobile robots; Noise measurement; Sampling methods; Sonar measurements; Transmitters;
Conference_Titel :
Robotics and Automation, 1998. Proceedings. 1998 IEEE International Conference on
Conference_Location :
Leuven
Print_ISBN :
0-7803-4300-X
DOI :
10.1109/ROBOT.1998.680477