This paper examined the combination control in which remote operation is combined with autonomous behaviours with the aim to realize the remote operation of mobile robot which moves in human-coexisting environment. In revolution, following, and slowdown which we had proposed as combination control the autonomous action element in consideration of the distance and direction to an obstacle and the speed of motion of the mobile robot at that time has been examined. Fuzzy reasoning and vector component are used to achieve this consideration. Although there was no big difference in following, mileage becomes short in revolution, and transit time was shortened in slowdown. Furthermore in order to avoid a near miss with an obstacle completely, slowdown is incorporated with revolution or following. Verification experiment in software simulation has been carried out with the same subject persons. Although it takes a little longer transit time, other special bad influence was not appeared.
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