Method for protecting a body part and a lawnmower
By sensing body parts and tilting characteristics through sensor units, and combining them with navigation and protection units, autonomous lawnmowers can identify and avoid contact with body parts, solving the problem of injury when contact occurs and improving safety.
CN122397500APending Publication Date: 2026-07-17ROBERT BOSCH GMBH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ROBERT BOSCH GMBH
- Filing Date
- 2018-02-24
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing autonomous lawnmowers are difficult to effectively avoid injury when they come into contact with body parts, especially in cases of unforeseen contact, as they lack effective protective mechanisms.
Method used
The system uses sensor units to detect body part feature values and tilt feature values. Combined with navigation and protection units, it identifies body parts and implements protection procedures, such as stopping the lawnmower, issuing an alarm, or changing direction, by analyzing and comparing the tilt feature values to avoid injury.
Benefits of technology
It improves the operational safety of lawnmowers, effectively protecting body parts from injury, especially when operating autonomously, reducing the risk of injury from accidental contact.
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Figure CN122397500A_ABST
Abstract
本发明涉及一种用于保护至少一个身体部分（10）免受割草机（12）伤害的方法，所述割草机具有至少一个保护单元（14），所述保护单元包括至少一个传感器单元（16），该方法包括以下方法步骤：借助于加速度传感器（20）感测一时间序列的倾翻特征值（25，25b），所述倾翻特征值代表割草机（12）对于与物体的物理接触的动态倾翻响应，求取所感测到的一时间序列的倾翻特征值（25b）与存储在保护单元（14）中的标志性倾翻特征曲线（100b）的相关性，其中，所述标志性倾翻特征曲线（100b）相应于割草机在与人体部位接触时的统计学倾翻行为，以及在所求取的相关性超过预定阈值时触发保护程序（26）。本发明还涉及一种割草机（12），特别是自主式割草机（12）。
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