Article Handling Controller Dynamic Notification Logic
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Solution Overview
Problem
Existing article handling facilities face challenges in quickly detecting abnormal conditions in article handling devices while managing communication traffic, leading to potential delays and increased congestion due to continuous data transmission from devices to managing devices.
Innovation Solution
Implementing a controller that differentiates between normal and abnormal conditions in article handling devices by transmitting specific types of notifying information, with abnormal condition notifications containing more detailed data to facilitate quicker identification and normal condition notifications with reduced data to minimize communication traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the article handling device continuously transmits detailed state information to the managing device, then the managing device can quickly detect abnormal conditions and learn their nature, but the communication traffic increases leading to congestion in communication lines
Solution Approach 1:
The patent changes the parameter of information transmission by switching between two modes: transmitting only abnormal condition determination information during normal operation, and transmitting both abnormal condition determination information and detailed abnormal-time information when abnormalities occur. This parameter change resolves the contradiction by adapting communication volume to actual needs.
Solution Approach 2:
The system dynamically adjusts the amount and type of information transmitted based on the operational state of the article handling device. The controller determines whether to transmit detailed state information based on detected abnormalities, making the communication traffic dynamic rather than static, thus resolving the contradiction between detection capability and traffic volume.
2Quantity of substance
If the time intervals for transmitting notifying information are made longer to reduce communication traffic, then the communication congestion is reduced, but the time lag before the managing device learns of abnormal conditions becomes longer
Solution Approach 1:
The patent changes the transmission interval parameter from fixed to variable based on operational state. During normal operation, transmission intervals are extended to reduce traffic. When abnormalities are detected, the system immediately transmits information regardless of the interval schedule, thus resolving the contradiction between traffic reduction and detection speed.
Solution Approach 2:
The system uses periodic transmission intervals for normal operation but introduces event-driven immediate transmission when abnormalities occur. This combination of periodic and event-driven action resolves the contradiction by maintaining regular communication rhythm while enabling rapid response to critical events.
3Quantity of substance
If the article handling device transmits only minimal information during normal operation, then communication traffic is reduced, but the managing device cannot learn the nature of abnormalities without additional detailed information
Solution Approach 1:
The patent changes the information content parameter based on operational state. During normal operation, only minimal determination information is transmitted. When abnormalities occur, the system switches to transmitting comprehensive information including detailed abnormal-time information, thus resolving the contradiction between traffic reduction and information completeness.
Solution Approach 2:
The notification information is segmented into two types: abnormal condition determination information (transmitted always) and abnormal-time information (transmitted only when needed). This segmentation allows the system to reduce traffic during normal operation while ensuring complete information availability when abnormalities occur, resolving the contradiction between minimal and comprehensive information transmission.
Data Source
AI summary
When a controller determines based on state information that the article handling device is in a normal condition, the controller is configured to transmit to the managing device as the notifying information, normal condition notifying information which includes normal condition determination information which indicates that the article handling device is in a normal condition or normal condition notifying information which includes the normal condition determination information and normal-time information generated based on the state information. When the controller determines that the article handling device is in an abnormal condition based on the state information, the controller is configured to transmit to the managing device abnormal condition notifying information which includes abnormal condition determination information which indicates that the article handling device is in an abnormal condition and abnormal-time information which is generated based on the state information and which has at least one of a greater amount of data and a greater number of data items than the normal-time information.