Mobile Reservoir Buffer Control Using Variable Transfer Frequency
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Solution Overview
Problem
Existing reservoirs face inefficiencies due to transfer devices being unable to perform operations when receiving seats are full or empty, leading to time delays and incorrect operation as a buffer between feed and downstream lines.
Innovation Solution
A dynamic, mobile reservoir with detecting means and control units that adjust transfer device frequencies and speeds based on real-time seat occupancy, allowing for variable and adaptive operation to manage imbalances and prevent delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transfer devices constantly move in three dimensions to reach different levels and transfer articles, then the reservoir can store and transfer articles between different levels, but the transfer devices may be unable to perform transfer when receiving seats are completely full or empty, leading to time delays and excessive articles accumulating in the reservoir
Solution Approach 1:
The receiving seats are configured to be movable between a receiving position and a discharge position, allowing the system to dynamically adjust its configuration. When receiving seats are full, the system can move them to the discharge position to make space for new articles, preventing transfer delays and maintaining continuous operation between feed and downstream lines.
2Ease of operation
If the transfer device operates at fixed frequency, then the control is simple, but it cannot adapt to imbalances between feed and downstream lines, leading to incorrect reservoir operation
Solution Approach 1:
The control unit is configured to operate the transfer devices at variable frequencies based on the operational status of the receiving seats and the balance between feed and downstream lines. This feedback mechanism allows the system to automatically adjust transfer frequencies to maintain correct reservoir operation as a buffer, preventing both overfilling and excessive empty states.
Data Source
AI summary
A reservoir, including: a feed station equipped with a feed transfer device and associated with a feed line for feeding articles; a pickup station equipped with a pickup transfer device and associated with a removal line for removing articles; a movable support provided with a plurality of receiving seats and configured to move the receiving seats along a closed path passing through the feed station and the pickup station; detecting means for detecting a filled condition of at least some of the receiving seats; a control unit connected to the detecting means and configured to drive the transfer devices according to a logic of variable transfer frequency as a function of the filled condition received from the detecting means.