Boots – shoes – and leggings
Patent
1986-03-03
1988-10-11
Lall, Parshotam S.
Boots, shoes, and leggings
180169, 180168, B62D 100, G06F 1550
Patent
active
047776013
ABSTRACT:
The passive track system comprises a passive track formed as a highly reflective strip adhered to the floor and containing a bar code, vehicle-supported passive track reading devices for forward and reverse travel as well as a bar code reading device. The passive track system can be operated as a passive track guidance system or as a passive track control system or both. The vehicle follows the passive track or guide path by continuously monitoring the travel lane on both sides of the central longitudinal axis of the vehicle using track sensors located in reading heads. In the method, sets of actual values thus measured are cross-correlated with a set of reference values corresponding to the track positions and stored in an electronic evaluation device. The appropriate cross-correlation function is calculated for each "observation" using a special track guidance algorithm and then a track position of the vehicle as well as a quality or system condition factor for the passive track system are derived. Control is also effected by the passive track. The vehicle decodes the bar code using code sensors and processes it as a control signal. The passive track is useful both as a control line for track guidance and as a signal source for functional control. Since the passive track is easily and quickly applicable to and removable from the floor, it renders possible a freely chosen layout of the travel network and thus an optimal utilization of the flexibility of trackless vehicles.
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Proceedings of the Fourth International Symposium on Industrial Robots, pp. 385 to 393, "Unattended Traveling Vehicle Guided by Optical Means" by Ando et al., published Nov. 19, 1974, by Japan Industrial Robot Association, Tokyo, especially p. 389, lines 1 through 14 and Figure 4.
Black Thomas G.
JD-Technologie AG
Kleeman Werner W.
Lall Parshotam S.
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