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Method of controlling an industrial system, control system and industrial system

A technology for industrial systems, control systems, applied in general control systems, control/regulation systems, manufacturing tools, etc., to solve problems such as damage, robot program failure, material temperature fluctuations, etc.

Pending Publication Date: 2021-10-15
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Robot programs can fail for various reasons, such as due to damage to robot fingers or grippers, gearbox oil leaks, and temperature fluctuations in the environment that cause changes in material properties
A wide range of potential errors can lie behind the increased execution time and reduced success rate of programmed physical actuators

Method used

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  • Method of controlling an industrial system, control system and industrial system
  • Method of controlling an industrial system, control system and industrial system

Examples

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Embodiment Construction

[0037] Hereinafter, a method of controlling an industrial system including at least one agent, a control system for controlling an industrial system including at least one agent, and an industrial system including the control system will be described. The same reference numerals will be used to denote the same or similar structural features.

[0038] figure 1An illustrative example of an industrial system 10 is schematically represented. The industrial system 10 of this example includes an industrial robot 12 having two manipulator arms 14 , 16 . The example industrial system 10 further includes a control system 18 , a feeder 20 , a table 22 , a coaster 24 on the table 22 , and a waste bin 26 . The table 22 is positioned on the floor 28 . The two arms 14, 16 of the robot 12 constitute an agent with discrete agent states. Thus, the industrial system 10 includes a first agent in the form of a left arm 14 and a second agent in the form of a right arm 16 . However, industrial...

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PUM

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Abstract

A method of controlling an industrial system (10) comprising at least one agent (14, 16), the method comprising providing a representation of the industrial system (10) as a finite state machine (36), the state machine (36) comprising a plurality of nodes (38) and a plurality of edges (40), where each node (38) represents a discrete system state of the industrial system (10), each edge (40) represents an action for a state transition between system states represented by two of the nodes (38), and at least one execution value (42) is associated with at least one of the edges (40); executing at least one action by the at least one agent (14, 16), the at least one action being represented by at least one of the edges (40); and modifying at least one execution value (42) associated with at least one of the edges (40) representing the at least one executed action, based on an outcome of the at least one executed action.

Description

technical field [0001] The present disclosure generally relates to control of industrial systems. In particular, the present disclosure provides a method of controlling an industrial system comprising at least one agent, a control system for controlling an industrial system comprising at least one agent, and an industrial system comprising the control system. Background technique [0002] Predicting the execution quality of robot programs used to control industrial robots is difficult. One reason for this difficulty is that there are scenarios where one or more actions of industrial robots differ. Another reason for this difficulty is that there are scenarios where there are multiple ways for a robot to solve a task, but it is not known which way will be the fastest and / or least error-prone until the robot is deployed. [0003] Building efficient robot programs is difficult, time-consuming, and often does not take into account the actual performance of the robot program. ...

Claims

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Application Information

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IPC IPC(8): B25J9/16
CPCB25J9/1674B25J9/1671G05B19/4155G05B2219/31449
Inventor 约翰·韦森
Owner ABB (SCHWEIZ) AG
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