Elevator Boarding Path Control for Automatic Conveyance Vehicles
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Solution Overview
Problem
Existing systems for controlling automatic conveyance vehicles with lifting and lowering devices do not efficiently utilize detection information, leading to suboptimal movement and operation.
Innovation Solution
The system sets movement paths and controls the lifting and lowering devices based on lifting and lowering relevant information, such as elevator scheduling and weight management, to optimize the movement of automatic conveyance vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the system uses only object detection sensor information to control elevator boarding, then the system complexity is reduced, but the conveyance efficiency and movement optimization of the automatic conveyance vehicle deteriorates
Solution Approach 1:
The control system is segmented into multiple independent modules: object detection sensor for presence detection, weight sensor for load measurement, elevation sensor for position detection, and control unit for coordination. Each sensor handles a specific aspect of the boarding process, allowing the system to process multiple types of information simultaneously without increasing overall complexity, thereby improving conveyance efficiency through optimized vehicle positioning and elevator coordination
Solution Approach 2:
The control unit serves multiple functions: it processes object detection sensor signals, weight sensor data, and elevation sensor information; coordinates elevator operation; and optimizes automatic conveyance vehicle movement. By making the control unit multi-functional, the system avoids adding separate dedicated controllers for each function, maintaining system complexity at an acceptable level while achieving comprehensive optimization of conveyance efficiency
2Productivity
If the system coordinates multiple sensors and control parameters for optimal vehicle movement, then the movement efficiency and power consumption are improved, but the device complexity increases
Solution Approach 1:
The control unit merges the processing functions of multiple sensors (object detection, weight measurement, elevation detection) into a single integrated control module. This consolidation allows the system to coordinate vehicle movement and elevator operation based on combined sensor data without requiring separate control systems for each function, thereby improving movement efficiency while keeping device complexity manageable through functional integration
Solution Approach 2:
The control unit acts as an intermediary that receives and processes information from multiple sensors, then translates this information into coordinated control signals for both the automatic conveyance vehicle and the elevator. This intermediary function enables efficient coordination of multiple system components without requiring direct complex interactions between all components, simplifying the overall control architecture while achieving optimized movement efficiency
3Ease of operation
If the automatic conveyance vehicle waits for elevator scheduling information, then the boarding priority is optimized, but the loss of time for vehicle movement increases
Solution Approach 1:
The system performs preliminary actions by having the automatic conveyance vehicle wait at a predetermined position near the elevator and receive scheduling information in advance before the elevator arrives. This preliminary positioning and information reception allows the vehicle to be ready for immediate boarding when the elevator becomes available, optimizing boarding priority while minimizing actual waiting time through proactive preparation
Solution Approach 2:
The control unit implements feedback by continuously monitoring elevator scheduling information and adjusting the vehicle's waiting and movement timing accordingly. The system uses real-time feedback from the elevator system to optimize the vehicle's positioning and departure timing, ensuring that the vehicle waits only as long as necessary to achieve optimal boarding priority without excessive loss of movement time
Data Source
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AI summary
A lifting and lowering movement control system for controlling an automatic conveyance vehicle configured to move with an article loaded thereon and a lifting and lowering device configured to move up and down in a state in which the automatic conveyance vehicle is on board, the system includes a lifting and lowering relevant information acquisition section configured to acquire lifting and lowering relevant information relating to the lifting and lowering device scheduled to be boarded by the automatic conveyance vehicle, and a movement control section configured to set a movement path to the lifting and lowering device scheduled to be boarded based on the lifting and lowering relevant information.