Autonomous Snow Removal Using Work Machine Position Mapping
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Solution Overview
Problem
Existing snow removal systems require manual effort and time to set the route for snow removal targets, which is inefficient.
Innovation Solution
A snow removal system comprising a work machine with a position detector to generate position information during work and a snow removal machine capable of autonomous movement, using this information to perform snow removal tasks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual route setting is used for snow removal, then the snow removal machine can perform work along a defined path, but the process requires significant time and labor from the user
Solution Approach 1:
The work machine automatically detects and records its own position information during work operations using onboard position detectors (GPS, IMU, wheel encoders). This self-recorded position data is then used by the snow removal machine to autonomously determine the work route, eliminating the need for manual route surveying and setting by the user.
Solution Approach 2:
The work machine performs position detection and route recording during its normal work operations before the snow removal task begins. This preliminary capture of position information creates a ready-to-use route database that the snow removal machine can directly utilize, avoiding the need for separate route setting activities.
2Measurement precision
If a special device is required for route registration, then position information can be accurately captured, but the system complexity and user burden increase
Solution Approach 1:
The work machine is equipped with position detection capabilities (GPS receiver, IMU, wheel encoders) that serve dual purposes: guiding the work machine during its primary work operations and simultaneously recording route information for snow removal tasks. This multi-functional approach eliminates the need for separate specialized route registration devices.
Solution Approach 2:
The patent combines the route recording function with the work machine's existing navigation and operation systems. The position detection equipment and control systems used for guiding the work machine are integrated to also perform route surveying and data storage, merging multiple functions into a single unified system.
Data Source
AI summary
A snow removal system includes a work machine and a snow removal machine. The work machine includes a work unit configured to perform work and a position detector configured to detect a position of the work machine when the work unit has performed the work and generate position information indicating the detected position. The snow removal machine is capable of autonomous movement and includes a snow removal unit configured to perform snow removal work and a controller configured to cause the snow removal unit to perform the snow removal work on the basis of the position information.


