Slope-Aware Route Generation With Preplanned Vehicle Speed
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Solution Overview
Problem
Conventional autonomous work vehicles traveling on slope lands face challenges in predicting travel speed, making it difficult for users to accurately plan work schedules as they need to adjust speed based on inclination angles during travel.
Innovation Solution
A route generation method and device that acquires the inclination angle of the travel area and sets a travel speed for the vehicle based on this angle, generating a target route with speed information included, allowing for pre-travel planning of speed and schedule accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the work vehicle detects inclination angle during autonomous traveling and adjusts travel speed accordingly, then the work vehicle can safely navigate slope land, but the user cannot know in advance the travel speed and accurately grasp the work schedule
Solution Approach 1:
The system performs preliminary detection of the inclination angle of the travel area before autonomous traveling begins. The route generation device calculates the inclination angle in advance and determines the appropriate travel speed based on this pre-detected information, allowing the user to know the travel speed before the work vehicle starts moving autonomously.
Solution Approach 2:
The target route is generated with speed information included before the autonomous traveling starts. This allows the user to grasp the work schedule and travel speed in advance, eliminating the information loss that occurred in the conventional approach where speed adjustment happened only during travel.
2Adaptability or versatility
If the work vehicle changes preset travel speed based on detected inclination angle during traveling, then the work vehicle adapts to slope conditions, but the work schedule planning becomes inaccurate
Solution Approach 1:
The system determines the appropriate travel speed in advance by detecting the inclination angle before autonomous traveling begins. This preliminary speed determination allows for accurate work schedule planning while still adapting to the specific slope conditions of the travel area.
Solution Approach 2:
The route generation device automatically determines the travel speed based on the detected inclination angle without requiring manual intervention. This self-service approach ensures both adaptation to slope conditions and accuracy in work schedule planning, as the system independently calculates the optimal speed before travel begins.
3Ease of operation
If the user manually plans route and speed for autonomous traveling, then flexibility in scheduling is improved, but the time required for route generation increases
Solution Approach 1:
The route generation device automatically determines the appropriate travel speed based on the detected inclination angle of the travel area, eliminating the need for manual speed planning by the user. This self-service approach maintains scheduling flexibility while significantly reducing the time required for route generation.
Solution Approach 2:
The system automatically adjusts the travel speed parameter based on the inclination angle parameter of the travel area. This automatic parameter adjustment provides flexibility in scheduling according to actual terrain conditions while reducing the time investment required from the user in route planning.
Data Source
AI summary
A route generation method is a method for generating a target route for a work vehicle autonomously traveling in a travel area, and executes acquiring an inclination angle of the travel area, setting a travel speed of the work vehicle for the travel area on a basis of the inclination angle of the travel area, and generating the target route including speed information of the travel speed set for the travel area.