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Robotic work tool and method for improved collision handling

A work tool, robot technology, applied in the field of improved collision handling

Pending Publication Date: 2021-09-28
HUSQVARNA AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Collisions are only detected when a collision actually occurs

Method used

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  • Robotic work tool and method for improved collision handling
  • Robotic work tool and method for improved collision handling
  • Robotic work tool and method for improved collision handling

Examples

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Embodiment Construction

[0037]A robotic work tool according to the present disclosure will now be described more fully hereinafter. Robotic work tools according to the present disclosure may, however, be implemented in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided by way of example so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Throughout the specification, the same reference numerals denote the same elements.

[0038] In one of its aspects, the disclosure presented herein relates to a robotic work tool for improved collision handling.

[0039] Robotic work tools can be implemented in many different ways. Although the present disclosure will be described primarily in terms of an autonomous robot generally designed to mow grass, it should be understood that the robotic work tools described herein may be implemented as any typ...

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PUM

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Abstract

A robotic work tool (100) comprises a chassis (110) and a body (120). The robotic work tool (100) further comprises at least one input unit (170, 180) for receiving input data relating to an operation of the robotic work tool (100), and at least one collision sensor arrangement (140) for detecting a direction of a movement of the chassis (110) with respect to the body (120). The movement is indicative of a collision. The robotic work tool (100) further comprises at least one controller (130) for controlling operation of the robotic work tool (100). The at least one controller (130) is configured to receive, from the at least one input unit (170, 180), said input data relating to the operation of the robotic work tool (100). The at least one controller (130) is further configured to adapt a collision threshold based on said input data relating to the operation of the robotic work tool (100). The collision threshold is related to said movement of the chassis (110) with respect to the body (120) detected by the at least one collision sensor arrangement (140).

Description

technical field [0001] The present disclosure relates to robotic work tools, and more particularly to a robotic work tool and method for improved collision handling. Background technique [0002] Robotic work tools are autonomous robotic devices used to perform certain tasks, such as for cutting lawn grass. A robotic work tool is usually assigned an area, hereinafter referred to as a work area, in which the robotic work tool is intended to operate. The work area may be defined by a perimeter surrounding the work area. The perimeter may include boundaries or boundaries that the robotic work tool is not intended to cross. Robotic work tools are usually configured to work in a random pattern within the work area. Therefore, it does not consider obstacles or objects in the area, such as trees, furniture, and walls, and in order to avoid the robotic work tool from simply stopping when it encounters objects or obstacles, various collision sensor devices have been developed. The...

Claims

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Application Information

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IPC IPC(8): A01D34/00G01D1/00
CPCA01D34/008G05D1/617G05D1/241G05D1/0214G05D1/0227A01D2101/00B60W30/08B60W2030/082
Inventor 达恩·利耶达尔拉尔斯·埃德福什芒努·贝延霍尔姆丹尼尔·威克斯塔德
Owner HUSQVARNA AB
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