Conveyor Speed Control for Item Identification
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Solution Overview
Problem
Conveyor systems in shipping and material handling face limitations in revenue generation due to suboptimal speed, frequent stoppages, and inefficient item identification, which can be exacerbated by overloading or underloading, leading to reduced throughput and revenue loss.
Innovation Solution
An adjustable speed control system that uses a reader, databases, and processors to dynamically calculate and adjust the conveyor speed based on stoppage duration, failed identification attempts, and flow information, optimizing the conveyor's speed to enhance item identification and reduce stoppages, while interfacing with conveyor controllers and multiple readers/conveyors for improved management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the conveyor speed is increased to improve throughput, then productivity increases, but the reader's ability to timely identify items deteriorates and stoppages increase
Solution Approach 1:
The system dynamically adjusts conveyor speed based on real-time conditions rather than operating at a fixed speed. The controller continuously monitors reader identification success rates and conveyor stoppage data, then automatically adjusts the conveyor speed to optimize both throughput and identification reliability, allowing the system to adapt to varying operational conditions
Solution Approach 2:
The system implements a feedback loop where the reader's identification performance and conveyor stoppage data are continuously fed back to the controller. This feedback mechanism enables the controller to learn from past performance and adjust conveyor speed accordingly, improving identification success rates while maintaining high throughput
2Productivity
If the conveyor is overloaded to increase capacity utilization, then productivity increases, but the conveyor becomes prone to stoppages
Solution Approach 1:
The system dynamically adjusts conveyor speed in response to loading conditions and real-time performance data. When the conveyor approaches overload conditions or shows signs of instability, the system automatically reduces speed to prevent stoppages, allowing sustained high capacity utilization without compromising operational reliability
Solution Approach 2:
The system changes operational parameters (conveyor speed) based on monitored conditions such as item density, reader identification success rates, and stoppage history. By dynamically adjusting these parameters, the system can operate at higher capacity levels while maintaining reliability through automatic parameter optimization
3Reliability
If the conveyor speed is reduced to improve item identification accuracy, then reader identification success rate improves, but productivity decreases
Solution Approach 1:
Rather than operating at a reduced fixed speed, the system dynamically adjusts conveyor speed to the optimal level needed for successful identification. This allows the conveyor to operate at high speeds when conditions permit and reduce speed only when necessary to ensure identification success, maintaining high overall throughput while improving identification reliability
4Productivity
If the conveyor operates at optimal speed for revenue generation, then productivity increases, but the system lacks dynamic adjustment capability for changing conditions
Solution Approach 1:
The system transitions from static optimal speed operation to dynamic speed adjustment. The controller continuously adapts the conveyor speed based on real-time feedback from the reader and stoppage data, enabling the system to maintain optimal revenue-generating performance while adapting to changing operational conditions, item types, and environmental factors
Data Source
AI summary
An adjustable speed control system includes a reader, databases, processors and a conveyor controller. The databases store data concerning conveyor stops and failed attempts by the reader to identify conveyed items. Based on the failed attempts and the conveyor stops, the processors calculate an optimal speed of the conveyor. The controller adjusts the conveyor speed towards the optimal speed to increase the conveyed items successfully identified by the reader. Also disclosed are a corresponding method and computer readable medium on which is stored instructions to, upon execution, adjustably control the conveyor speed.