Sprinkling-State Distance Control for Following Unmanned Vehicles
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Solution Overview
Problem
Unmanned vehicles following a sprinkling vehicle too closely at a work site risk hindering their travel due to the potential interference from the sprinkling operation, which can affect their navigation and movement.
Innovation Solution
An unmanned vehicle management system that determines and maintains an appropriate inter-vehicle distance between a sprinkling vehicle and following unmanned vehicles based on the sprinkling state, using sensors and communication systems to ensure smooth travel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If an unmanned vehicle follows a sprinkling vehicle at a short distance to improve operational efficiency, then productivity increases, but the unmanned vehicle may be hindered by sprinkling water affecting its travel and sensor detection
Solution Approach 1:
The management server receives sprinkling state information from the sprinkling vehicle and uses this feedback to dynamically calculate and communicate appropriate inter-vehicle distances to the unmanned vehicle, enabling adaptive distance maintenance based on real-time sprinkling conditions
Solution Approach 2:
The system proactively determines and communicates the appropriate inter-vehicle distance before the unmanned vehicle encounters problematic zones, allowing the vehicle to adjust its position in advance to avoid being hindered by sprinkling water
2Area of stationary object
If an unmanned vehicle follows a sprinkling vehicle at a short distance to reduce empty space usage, then work site utilization improves, but obstacle detection accuracy deteriorates due to sprinkling water interference
Solution Approach 1:
The management server continuously monitors sprinkling state information and uses this feedback to dynamically adjust the recommended inter-vehicle distance, ensuring the unmanned vehicle maintains optimal distance for sensor accuracy while minimizing work site space usage
Solution Approach 2:
The system changes the inter-vehicle distance parameter dynamically based on sprinkling state, adjusting the spatial relationship between vehicles to maintain detection accuracy without sacrificing excessive work site utilization
3Reliability
If the management server dynamically adjusts inter-vehicle distance based on sprinkling state, then travel smoothness improves, but system complexity increases due to additional determination and communication mechanisms
Solution Approach 1:
The management server performs multiple functions including receiving sprinkling state information, determining appropriate inter-vehicle distances, and communicating with both vehicles, consolidating control logic into a single multi-functional system that improves reliability without proportionally increasing overall system complexity
Solution Approach 2:
The system merges the distance determination function with the existing communication infrastructure between vehicles and the management server, combining multiple control functions into an integrated system that minimizes additional complexity while achieving smooth travel
Data Source
AI summary
An unmanned vehicle management system includes: an inter-vehicle distance determination unit that determines an inter-vehicle distance between a sprinkling vehicle and an unmanned vehicle traveling behind the sprinkling vehicle in a same direction as that of the sprinkling vehicle based on a sprinkling state from a sprinkling spray provided in the sprinkling vehicle traveling in a work site; and an output unit that outputs, to the unmanned vehicle, inter-vehicle distance data indicating the inter-vehicle distance determined by the inter-vehicle distance determination unit.