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Method for setting operating force range of engineering machinery and evaluating operation fatigue of driver

A technology for construction machinery and setting methods, which is applied in diagnostic recording/measurement, medical science, sensors, etc., to make up for untruth and inaccuracy, solve quantitative evaluation problems, and make experimental results more authentic and credible

Active Publication Date: 2021-09-17
JIANGSU XCMG CONSTR MASCH RES INST LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the deficiencies in the prior art, the present invention provides a method for setting the operating force range of construction machinery and evaluating the driver's fatigue degree. From the user's point of view, the reasonable range of component operating force is clarified, and the operating fatigue is solved at the same time. Degree Quantitative Evaluation Questions

Method used

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  • Method for setting operating force range of engineering machinery and evaluating operation fatigue of driver
  • Method for setting operating force range of engineering machinery and evaluating operation fatigue of driver
  • Method for setting operating force range of engineering machinery and evaluating operation fatigue of driver

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Embodiment 1

[0038] A method for setting the operating force range of construction machinery components, in which a subject manipulates the components under the set operating force, including: collecting the subject's subjective fatigue data according to the set time interval; collecting the subject's fatigue data; The myoelectric signal of muscle feedback; data processing is performed on the collected myoelectric signal to obtain the degree of muscle activation of the subject under the set operating force; based on the subjective fatigue data and muscle activation degree values ​​of all subjects, determine the operating force range.

[0039] The data preprocessing of the collected electromyographic signals to obtain the degree of muscle activation of the subject under the set operating force includes: performing data preprocessing on the collected electromyographic signals; The low-pass filter performs data filtering and obtains the root mean square value of the electromyographic signal; ...

Embodiment 2

[0070] Such as Figure 4 , Figure 5 As shown, based on the setting method of the operating force range of construction machinery components shown in Embodiment 1, this embodiment provides a method for evaluating the driver’s fatigue degree, select typical products and make a new prototype, that is, change the main operating components in the cab The set value of the operating force, adopt the method similar to the laboratory experiment in the embodiment one to carry out the original vehicle and the prototype test, collect the subjective evaluation data and the myoelectric data; Include: Based on the operating force of the engineering machinery parts described in the embodiment one The range setting method determines the operating force range of the component; based on the determined operating force range, sets the operating force of the component; collects the subject’s subjective fatigue when manipulating the component under the set operating force according to the set time ...

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Abstract

The invention discloses a method for setting an operating force range of engineering machinery and evaluating operation fatigue of a driver and belongs to the technical field of setting of operating force of the engineering machinery. A testee manipulates a part under a set operating force, and the method comprises the following steps: acquiring subjective fatigue data of the testee according to a set time interval; acquiring electromyographic signals fed back by muscles of the testee; performing data processing on the acquired electromyographic signals to obtain a muscle activation degree of the testee under the set operating force; and determining the operating force range of the part based on the subjective fatigue data and muscle activation degree values of all the testees. The fatigue starting time of the driver when the driver manipulates the part is acquired based on the acquired subjective fatigue data and muscle activation degree values of all the testees and is used for evaluating the change condition of the operation fatigue of the driver. From the perspective of a user, the reasonable range of the operation force of the part is defined, and meanwhile, the problem in quantitative evaluation on manipulation fatigue is solved.

Description

technical field [0001] The invention belongs to the technical field of operating force setting of construction machinery, and in particular relates to a method for setting the operating force range of construction machinery and evaluating the fatigue degree of drivers. Background technique [0002] With the wide application and in-depth development of mechanical engineering and ergonomics, more and more system designs need to take into account safety, comfort, efficiency and many other factors, which also makes the application and evaluation of fatigue, comfort, safety and other aspects widely Pay attention to. The fatigue state of the man-machine system operator not only affects the work efficiency, but also affects the physical and mental health of the operator. Therefore, factors such as manipulation fatigue have become more concerned issues, and the test and evaluation of operational fatigue has become very important in system design. It is also the key issue to realize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/389A61B5/18
CPCA61B5/389A61B5/18A61B5/7203A61B5/7225
Inventor 潘玲玲刘贺边轩毅
Owner JIANGSU XCMG CONSTR MASCH RES INST LTD
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