Equipment for transporting a load

Details Equipment for transporting a load Equipment for transporting a load

1991-10-15

1992-11-17

Ip, Paul

Electricity: motive power systems

Positional servo systems

Vehicular guidance systems with single axis control

318586, 180167, 180169, 36442402, G05D 108

Patent

active

051646480

ABSTRACT:
A load transport equipment having self-propelled trucks travelling on a predetermined route so as to transport a load by the truck, wherein an encoder is connected to a motor and the pulse number from the encoder is counted by a counter, the counted value being optically transmitted toward another self-propelled truck following the front self-propelled truck on the predetermined route, the following self-propelled truck receiving the counted value from the front self-propelled truck to obtain a difference between the received counted value and that of the following truck, so that the travel speed of the rear self-propelled truck is controlled on the basis of the difference so that the running speed is controlled in accordance with the distance between the trucks thereby preventing a rear-end collision.

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patent: 5068790 (1991-11-01), Wellman
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