Abstract

The concept of using ultrasonic sensor array in range finding is now established in robot/AGV guidance and navigation. The polaroid 6500 series is a popular self contained sensor system which provides distance measurement in the form of digital data [reference]. While some basic work related to the design of an integrated multiplesensor system has been undertaken, much of the current technology is based around hardware circuity to provide readable output frolll acoustic signals. Although there are important hardware design issues, there is a need to provide a unified framework for the design of integrated sensor-guidance system in applications where moving objects are likely to be present. This paper presents a methodology for the design/development of such a system with particular applications in the navigation of mobile robot in a dynamic and unstructured environment. The primary design targets of this system are scalability, sensitivity to moving objects (obstacle) and noise immunity.

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