FIELD: control systems.
SUBSTANCE: invention relates to construction complexes. System for automated control of building complex comprises dispatcher geodetic point with GPS-receiver, transmitting radio station. Duplex radio station, first and second receiver with antenna are installed on each loader and trailer. Between paging geodetic point and each loader and trailer paging and two-way radio communication are installed. Each GPS-receiver has a high-frequency amplifier, a mixer, low-pass filters, a multiplier, a narrow-band filter, a phase detector, heterodynes. Frequency of the third heterodyne is selected equal to the carrier frequency of the received GPS signal and said equality is maintained using a phase automatic frequency tuning system.
EFFECT: higher accuracy of determining coordinates and speed of loaders.
1 cl, 10 dwg, 1 tbl
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