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Method for protecting working area of mobile logistics robot by means of adaptive protection area

A logistics robot and protection area technology, applied in the direction of instruments, manipulators, manufacturing tools, etc., can solve problems such as low market penetration

Pending Publication Date: 2021-02-26
STILL GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the collaborative robot solution currently only achieves a very low market penetration

Method used

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  • Method for protecting working area of mobile logistics robot by means of adaptive protection area
  • Method for protecting working area of mobile logistics robot by means of adaptive protection area
  • Method for protecting working area of mobile logistics robot by means of adaptive protection area

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Experimental program
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Embodiment Construction

[0046] exist figure 1 The definition of the protected area S in an adaptively protected working environment A is shown in . The protection area S is defined by a polygon S in the present example. For this, in figure 1 The non-safety control system of the logistics robot, not shown in , scans the working environment A with the aid of sensors and defines a desired, safe working area B. Such as figure 1 As shown in , a working area B is selected which is not occupied by an object O, in this case a pallet O. The non-safety control system then transmits the intended safe working range B as a mathematical description (here as polygon S) to the safety system, which is defined as a safety sensor, in particular designed as a scanner. The safety system confirms that the protective field S is free (unoccupied).

[0047] exist figure 2 A set of predefined protection zones 1, 2, 3, 4 are shown in . In this case, the protective areas 1 , 2 , 3 , 4 have, for example, a rectangular sh...

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Abstract

The invention relates to a method for protecting a working area (B) of a mobile logistics robot in a changing working environment (A), the logistics robot being controlled by a control system, and thecurrent working environment (A) being detected by means of a sensor system and monitored by a safety system. According to the invention, the control system autonomously defines an intended, safe working area (B) in a new working environment (A), and the safety system autonomously verifies and monitors the defined working area (B) as a free protection area (S, 1, 2, 3, 4), and, when the object (O)enters the free protection area (S, 1, 2, 3, 4) to violate the protection areas, the logistics robot is automatically in a safe state.

Description

technical field [0001] The invention relates to a method for protecting the working area of ​​a mobile logistics robot in changing working environments, wherein the logistics robot is controlled by a control system and the current working environment is detected by means of a sensor system and monitored by a safety system. Background technique [0002] Robots are increasingly used in industry and logistics for automating processes in industrial manufacturing as well as in logistics tasks, such as picking. Robots with mechanical arms, in particular robotic arms, are mainly used here. An example of this is so-called robots with bendable arms. [0003] Robotic applications of manipulator arms in today's industrial automation usually run in a separate workspace, usually designed as a safety cage monitored by sensors. The first collaborative robot concept in the prior art is realized as a further development of the present, in which a human and a robot work in the same working ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/16
CPCB25J9/1674G05B2219/31005G05B2219/37631G05B2219/39082G05B2219/40202G05B2219/40298G05B2219/50393Y02P90/02B25J9/1666
Inventor D·舒特A·本特R·柯尼希
Owner STILL GMBH