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Hydraulic agricultural machinery automatic steering control experimental platform and experimental method

An automatic steering and control experiment technology, applied in the field of experimental platform for aspect research and analysis, to achieve the effect of convenient replacement test and good compatibility

Active Publication Date: 2017-06-09
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology

[0004] In order to solve the above-mentioned shortcomings caused by the actual vehicle experiment during the automatic steering control experiment, the present invention proposes a hydraulic agricultural machinery automatic steering control experimental platform and experimental method

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  • Hydraulic agricultural machinery automatic steering control experimental platform and experimental method
  • Hydraulic agricultural machinery automatic steering control experimental platform and experimental method
  • Hydraulic agricultural machinery automatic steering control experimental platform and experimental method

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Embodiment Construction

[0051] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0052] Such as figure 1 As shown, the automatic steering control experimental platform of the present invention includes three parts: a hydraulic steering system, a steering controller and an experimental console. The hydraulic steering system specifically includes: hydraulic station 1, agricultural machinery steering front axle, and steering valve block 2, wherein the agricultural machinery steering front axle is composed of steering wheel 3, hydraulic steering gear 4, front axle 5, steering cylinder 12 and steering wheels 6; steering drive The system includes an automatic steering control unit 7 and a steering angle measurement unit 8; the test control system includes: a hydraulic control unit 9 and an experimental measurement unit, wherein the experimental measurement unit consists of a high-precision three-axis gyroscope 10, a data acquisi...

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Abstract

The invention provides a hydraulic agricultural machinery automatic steering control experiment platform and an experiment method. The experiment platform is composed of a hydraulic steering system, a steering controller and an experiment console. The hydraulic steering system is composed of hydraulic station, agricultural machinery steering front axle and steering valve block, which is used to provide the same hydraulic steering system as that of agricultural machinery; the steering controller is composed of automatic steering control unit and steering angle measurement unit, which is used to realize automatic steering Closed-loop control; the experimental console is composed of a hydraulic control unit and an experimental measurement unit, which are used to control the operation of the hydraulic system and measure the experimental results. The hydraulic agricultural machinery automatic steering control experimental platform and experimental method of the present invention can measure and record the steering angle, steering angular velocity and steering angular acceleration in the automatic steering control experiment process, in order to analyze the performance of the steering control experiment and improve the accuracy of the steering angle measurement unit It provides a detailed and reliable basis for improving the accuracy of the automatic steering control algorithm.

Description

technical field [0001] The invention relates to the technical fields of automatic steering control and navigation control of agricultural machinery, especially an experimental platform and an experimental method for researching and analyzing the performance of steering angle measurement units and the precision of steering algorithms related to automatic steering control of hydraulic agricultural machinery. Background technique [0002] With the promotion of precision agriculture technology, the application of agricultural machinery navigation control technology in the field of agriculture is becoming more and more extensive. As the basis of the agricultural machinery navigation control system, the automatic steering control technology of agricultural machinery is of great importance. At present, most large and medium-sized agricultural machinery use hydraulic steering systems. Whether it is the automatic steering interface of agricultural machinery that is equipped with or m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M17/06
Inventor 胡静涛高雷王鹤李逃昌
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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