NASA NTRS · 19820000260
Phase-Sensing Guidance for Wire-Following Vehicles
Abstract
Guidance system for wire-following vehicles tested successfully at speeds exceeding 50 mi/h (80 km/h) on difficult 1 mile (1.6km) course. Unlike previous sensors that compare amplitudes of signals picked up from guide wire, new system compares signal phases. Array of coils is mounted in line along front bumper of vehicle and monitors electromagnetic signal radiating from wire. Guide wire on ground beneath vehicle carrier 6- to 7-kHz alternating current.
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Hansen, G. R.. 1983-05-01. Phase-Sensing Guidance for Wire-Following Vehicles. https://ntrs.nasa.gov/citations/19820000260
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