CS268766B1 - Measuring arrangement of distances for automatic tractor steering - Google Patents

Abstract

The solution relates to tractor and agricultural engineering. Its purpose is to provide a deviation signal from the specified path for the aggregate motion orientation, machining field by equidistant arc of circles identical to isophases electromagnetic field. Entered the goal is achieved by being in the facility for measuring the distance to a controlled machine and a tractor aggregate comprising a retranslator and the control station that my generator signals, modulator, receiving and transmitting antenna, receiver, amplitude detector and frequency detector, phase shifter and phase detector, and retransmitter - - Signal generator, modulator, receiving and transmitting antenna, amplitude receiver detector and converter, modulators are equipped generators - phase track width sensors - the distance between the side passages of the aggregate, and at the control station output is located indicator of deviation from the specified path.

Description

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Claims (1)

SUBJECT MATTER A distance measuring device for a self-propelled tractor, comprising a control station, equipped with a receiving system and a transmitting system, a modulator, an amplifier detector and a frequency detector, a phase splitter and indicator, and a retransmitter having a receiving system and a transmitting system, a modulator, an amplitude detector, a transducer modulating the transmitter of the signal transducer of the signaling station of the control station and the retranslator, characterized in that, in order to increase the accuracy of the guiding of the aggregate along the isophase lines of the electromagnetic field and to provide control the desired distance between the isophase lines, the control station comprises first and second frequency multipliers, and the control station and slave modulators are equipped with crystal oscillators, the input of the first frequency converter being connected to the amplitude detector output, and with the output of the frequency detector, and the frequency multiplier outputs are connected to the inputs of the differential meter.