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Session 3232

Web-based Remote Active Presence

Aleksander Malinowski, John Dahlstrom, Pedro Febles Cortez, Gary Dempsey, Chris Mattus Bradley University, Peoria, IL

Abstract

This paper describes the work-in-progress of a client-server system to control a moving robot over the World Wide Web. The robot is representing the person that controls it in the remote environment. Visual and acoustic information about the remote site is transmitted to the user who is capable of controlling the movement of the machine. The robot platform is interfaced to the computer using simple microcontroller circuits. A Web server is used to provide the client application to the operator. Since the decision was made, that Java2 would be the only target implementation language both client and server are platform independent.

The engineering objective is to perform robust real time manual control over the Internet connection characterized by varying bandwidth and latency. Although the presented system is completely different from full size professional robots, the problems encountered by senior students designing it are similar to ones faced by design engineers at NASA who prepare full sized vehicles for their trip to Mars. The current version of the project can be visited at the Web site at http://sant.bradley.edu/~olekmali/projects/telebot/.

Introduction

This paper describes a successful project that can be utilized as a senior engineering student project with both software and hardware components. The scope of its software portion lies in: • Utilization of the latest Internet technologies for both data and control signal transmission. • Programming an embedded computer system that controls the remote manipulator. • Development of easy to use graphical user interface at client side. • TCP/IP network socket programming. The scope of hardware portion lies in: • Interfacing computer and embedded system to wireless links. • Interfacing the embedded system to the hardware responsible for movement of the manipulator. • Developing or modifying available high bandwidth links for multimedia transmission from the manipulator to the network-connected base computer.

The preliminary results of the smaller pilot project that was focused at simple control of a robotic manipulator over Internet connection have already been published1. This paper introduces

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Febles Cortez, P., & Dahlstrom, J., & Mattus, C., & Malinowski, A., & Dempsey, G. (2000, June), Web Based Remote Active Presence Paper presented at 2000 Annual Conference, St. Louis, Missouri. 10.18260/1-2--8845