Transfer Robot Misalignment Recovery in Storage Modules
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Solution Overview
Problem
Existing transfer systems face increased user workload and downtime due to positional misalignment of objects during transfer, particularly when the object is misaligned in storage modules, leading to potential collisions and damage.
Innovation Solution
A transfer system comprising a transfer robot, a storage part, a state detection sensor, and a controller that includes a position detection sensor to detect and correct positional misalignment, allowing the robot to collect and reposition the object accurately, reducing the need for manual intervention and minimizing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the transfer robot places the object in the storage part without position verification, then the transfer speed is high, but positional misalignment occurs leading to user intervention and increased downtime
Solution Approach 1:
The system employs a state detection sensor to detect positional misalignment of the object in the storage part, and a position detection sensor on the transfer robot to detect the object's position. This feedback mechanism enables the controller to determine collectability and automatically correct misalignment by moving the transfer robot to the detected position, resolving the contradiction between high transfer speed and placement accuracy.
2Ease of operation
If the system implements automatic detection and correction of positional misalignment, then user workload is reduced, but the system complexity increases
Solution Approach 1:
The transfer robot system performs self-correction of positional misalignment through automatic detection by the state detection sensor and position detection sensor, and self-adjustment by the controller moving the robot to the correct position. This self-service capability reduces user workload to merely monitoring and collecting irrecoverable objects, while the added complexity is confined to the automatic detection and correction subsystem.
3Loss of time
If the transfer robot collects misaligned objects automatically, then downtime is reduced, but the risk of collision and damage increases
Solution Approach 1:
The state detection sensor performs preliminary detection of positional misalignment before the transfer robot attempts to collect the object. The controller uses this advance information to determine collectability and plan the collection path, moving the transfer robot to the detected position before attempting pickup. This preliminary detection prevents collision by avoiding attempts to collect misaligned objects that cannot be recovered.
Data Source
AI summary
Provided is a transfer system comprising a transfer robot configured to transfer an object to be transferred; a storage part configured to store the object to be transferred by the transfer robot; a state detection sensor configured to detect positional misalignment of the object to be transferred stored in the storage part; and a controller configured to control an operation of the transfer robot, wherein the transfer robot has a position detection sensor configured to detect a position of the object to be transferred placed in the storage part, and the controller controls determining, whether or not the misaligned object to be transferred is collectable based on the detection result of the state detection sensor; operating the transfer robot and detecting the position of the object to be transferred by the position detection sensor; and collecting the misaligned object to be transferred by the transfer robot.