Early failure removal testing method for carrying industrial robot

An industrial robot, early failure technology, applied in the direction of instruments, adaptive control, control/regulation systems, etc., can solve the problems of long time and high economic cost for early troubleshooting of robots, and achieve the effect of optimizing the test time

Active Publication Date: 2017-05-10
JILIN UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the problems of long early troubleshooting test time and

Method used

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  • Early failure removal testing method for carrying industrial robot
  • Early failure removal testing method for carrying industrial robot
  • Early failure removal testing method for carrying industrial robot

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Embodiment Construction

[0201] The present invention is described in detail below in conjunction with accompanying drawing:

[0202] refer to figure 1 , a kind of handling class industrial robot early-stage troubleshooting test method of the present invention includes establishing the reliability model of the tested robot, calculating the time inflection point of the tested robot from the early failure period to the occasional failure period, and obtaining the time inflection point Based on the optimization of the test time of the tested robot and the early troubleshooting test of the whole machine of the tested robot. Among them, the test time of the tested robot is optimized with the maximum unit profit as the optimization goal. A test robot is a robot that is about to undergo an early troubleshooting trial.

[0203] The steps of an early troubleshooting test method for a handling industrial robot described in the present invention are as follows:

[0204] 1. Establish the reliability model of t...

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Abstract

The invention discloses an early failure removal testing method for a carrying industrial robot. The method overcomes the problem that a robot early failure removal test is long in time and relatively high in economic cost in the prior art. The early failure removal testing method for the industrial robot comprises the following steps: firstly, establishing a reliability model of a tested robot: 1) establishing an intensity function of the tested robot; and 2) adopting a maximum likelihood method to estimate unknown parameters in the intensity function of the tested robot; secondly, calculating the time inflection point of the tested robot from an early failure period to an accidental failure period: 1) calculating an experience failure function; 2) calculating pattern class functions V1 and V2; and 3) solving the time inflection point; thirdly, optimizing the testing time of the tested robot on the basis of solving the time inflection point; and fourthly, carrying out the whole machine early failure removal test of the tested robot: 1) setting preparation conditions before the test; 2) carrying out a functional test; 3) carrying out an idle operating test; 4) carrying out a whole machine load test; and 5) carrying out a whole machine precision and performance checking test.

Description

technical field [0001] The invention relates to a method for troubleshooting early failures of industrial robots, more precisely, the invention relates to a test method for early failures of handling industrial robots. Background technique [0002] At present, my country is vigorously developing industrial robots, and industrial robots are at the core of "Made in China 2025". With the rise of labor costs, the demographic dividend is gradually disappearing, and the substitution of machines is intensifying. Therefore, robots have good application prospects and a broad market. However, the development of industrial robots in my country is backward, and their reliability is far lower than that of similar foreign products. With the increase of the degree of freedom and the improvement of performance of industrial robots, their early failures are gradually increasing. Generally speaking, the failure intensity function curve of industrial robots conforms to the law of "bathtub cur...

Claims

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Application Information

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IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 李国发周诗金杨兆军许彬彬何佳龙张建成胡炜霍永超王升旭宋鑫
Owner JILIN UNIV
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