Conveyance Path Planning Using Load Center-of-Gravity Data
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Solution Overview
Problem
Existing technologies for mobile bodies conveying articles may compromise safety due to applied forces and efficiency due to restricted turning speeds, leading to suboptimal conveyance.
Innovation Solution
A path specification system that acquires information on the center of gravity of the loaded object and specifies a path based on safety levels using control values, ensuring efficient and safe conveyance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the route is corrected to offset angle error and positional error between pallet and fork, then the pallet can be accurately positioned at stacking position, but the safety level may be reduced due to applied forces to the pallet or mobile body
Solution Approach 1:
The system performs preliminary correction of the travel route before the pallet stacking operation. By calculating and correcting the route in advance based on detected angle and positional errors, the system ensures accurate pallet positioning while maintaining safety through planned, controlled movements rather than reactive corrections during operation.
Solution Approach 2:
The travel route correction dynamically adjusts the movement path based on real-time error detection. The system modifies the route parameters (position, angle) adaptively to compensate for deviations, enabling the mobile body to reach the correct stacking position while maintaining safe operational forces throughout the dynamic correction process.
2Reliability
If the turning speed is restricted when the center-of-gravity position of cargo is close to or exceeds the acceptable value, then the safety is improved, but articles cannot be efficiently conveyed
Solution Approach 1:
The system changes operational parameters (turning speed, acceleration, deceleration) based on the center-of-gravity position of the cargo. When the center of gravity is within acceptable ranges, normal efficient operation is maintained. When it approaches or exceeds acceptable values, the system adaptively adjusts these parameters to maintain safety while minimizing impact on conveyance efficiency.
Data Source
AI summary
A path specification system or a path specification apparatus capable of improving a safety level and efficiency in a system in which a mobile body on which an object is loaded conveys the object to a place where the object is unloaded is provided. The path specification system or the path specification apparatus acquires information on a center of gravity of an object loaded on a mobile body. The path specification system or the path specification apparatus specifies a path to the place where the object is unloaded in accordance with safety in conveying the object in the mobile body determined based on a control value for controlling the mobile body and information on the center of gravity of the object.