Load-Indicative Alarm System with Threshold Segmentation
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Solution Overview
Problem
Existing alarm systems for load monitoring are either too intrusive or not intrusive enough, and they fail to provide sufficient information about the severity of the load, leading to inadequate operator response in preventing damage to systems.
Innovation Solution
A load-indicative alarm system comprising a load-measuring device, a controller, and an alerting device that provides alerts based on load thresholds, allowing operators to take appropriate preventative measures by informing them of the current load level and its severity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a single threshold alarm system is used, then the system is simple to operate, but it does not provide sufficient information about load severity
Solution Approach 1:
The alarm system segments the load monitoring into multiple threshold levels (first threshold, second threshold, third threshold) with corresponding different alert types. This segmentation provides detailed information about load severity while maintaining a structured, manageable system architecture that processes each threshold level independently.
Solution Approach 2:
The system changes the parameter of alert characteristics based on load severity. Different threshold exceedances trigger different alert types (first alert, second alert, third alert) with varying intrusiveness and information content. This parameter change provides comprehensive severity information without requiring a completely complex system redesign.
2Ease of operation
If an alarm system provides detailed load level information, then the operator can make informed decisions, but the alarm may be ignored due to information overload
Solution Approach 1:
The system applies local quality by providing different levels of alert intrusiveness and information detail tailored to the specific threshold exceeded. Critical thresholds trigger more intrusive alerts with immediate attention requirements, while less critical thresholds use softer alerts. This localized differentiation ensures operators respond appropriately without experiencing uniform alert fatigue.
Solution Approach 2:
The alarm system dynamically adjusts its response characteristics based on the current load condition and threshold exceeded. The alert type, intrusiveness, and information provided are dynamically selected to match the severity of the situation, ensuring operators receive appropriate attention signals without being overwhelmed by static, uniform alerting.
3Loss of information
If the alarm system uses multiple alert types for different load levels, then the operator receives better severity information, but the system complexity increases
Solution Approach 1:
The alert system is segmented into distinct alert types (first alert, second alert, third alert) corresponding to different threshold levels. Each alert type has defined characteristics for intrusiveness and information content. This segmentation provides comprehensive severity information while organizing system complexity into manageable, independent alert modules.
4Object-affected harmful factors
If the alarm is too intrusive, then the operator cannot ignore it, but the operator may disable the alarm system
Solution Approach 1:
The system applies different levels of intrusiveness locally tailored to each threshold exceedance. Critical safety thresholds trigger highly intrusive alerts that are difficult to ignore, while operational thresholds use gentler alerts. This localized intrusiveness ensures critical alerts maintain system availability while non-critical alerts remain acceptable to operators.
Data Source
AI summary
A load-indicative alarm system alerts an operator as to a load. The load-indicative alarm system includes a load-measuring device, a controller, and an alerting device. The load-measuring device for provides a load indication. The controller determines a load level by acquiring the first load indication from the load-measuring device. The alerting device is configured to alert the operator. The controller is configured to instruct the alerting device to alert the operator if the current load level is above a minimum threshold. The alerting device provides a load-indicative alert that informs the operator of the load level being above the minimum threshold.