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Adaptive control method for excavator

An adaptive control and excavator technology, applied in the field of control, can solve the problems of increasing the work complexity of the excavator operator, unfavorable full adaptation of the excavator, etc., and achieve the effect of low fuel consumption and comfortable operation

Active Publication Date: 2011-05-25
重庆航天工业有限公司
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Problems solved by technology

However, the above-mentioned control method is basically completed by manual operation. The operator manually operates and basically relies on experience to identify the load. There are individual differences among operators, which is not conducive to the full adaptation of the excavator to the load. At the same time, the operator must change jobs in real time according to the load. mode, increasing the complexity of the excavator operator's work

Method used

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  • Adaptive control method for excavator
  • Adaptive control method for excavator
  • Adaptive control method for excavator

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Experimental program
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Embodiment Construction

[0044] see figure 1 and figure 2 , the excavator adaptive control method, proceed as follows:

[0045] A. Install an adaptive control system on the excavator:

[0046] The adaptive control system includes a controller 19, a speed sensor 14, a boom pressure sensor 4, a stick pressure sensor 3, a bucket pressure sensor 2, a swing pressure sensor 1, a boom priority solenoid valve 7, and a swing priority solenoid valve 5 , stick and bucket priority solenoid valve 6, wherein the boom pressure sensor 4 is mounted on the excavator arm cylinder 10, the stick pressure sensor 3 is mounted on the excavator stick cylinder 11, and the bucket pressure sensor 2 is mounted on the On the bucket oil cylinder 9 of the excavator, the rotary pressure sensor 1 is installed on the rotary oil cylinder 8 of the excavator;

[0047] B. Perform parameter collection:

[0048] B1. Boom pressure sensor 4 collects boom pressure , to get the average effective pressure of the boom : In unit time, such...

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Abstract

The invention provides an adaptive control method for an excavator, which is characterized by comprising the following steps of: A, arranging an adaptive control system on the excavator; B, performing parameter acquisition; and C, controlling a priority electromagnetic valve by using a controller, wherein the step C comprises the following sub-steps that: C1, the controller calculates the proportions of movable arm action, shovel loader action, loader bar action and rotation action in the whole operation process respectively; and C2, the controller compares the proportion of the movable arm action, the shovel loader action, the loader bar action and the rotation action in the whole operation process with a set value respectively, and opens the priority electromagnetic valve according to comparison results. In the method, a movable arm pressure sensor, a loader bar pressure sensor, a shovel loader pressure sensor and a rotation pressure sensor sense current working conditions to automatically adjust the working state of the excavator.

Description

technical field [0001] The invention relates to a control method, in particular to an adaptive control method of an excavator. Background technique [0002] Excavators play an important role in construction machinery due to their wide application and high value creation. effect. [0003] At present, in terms of excavator electronic control systems, excavator manufacturers at home and abroad generally use the control engine to work at a certain fixed operating point, that is, the output power of the engine to the oil pump is fixed, and the excavator is controlled by setting the working mode of the excavator. The machine adapts to different work requirements. However, the above-mentioned control method is basically completed by manual operation. The operator manually operates and basically relies on experience to identify the load. There are individual differences among operators, which is not conducive to the full adaptation of the excavator to the load. At the same time, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/20
Inventor 张大国黄春赵耀刘京威韩敏艳廖祖君
Owner 重庆航天工业有限公司
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