Switchgear Task Verification Using Sensor Feedback Control
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Solution Overview
Problem
Existing switchgear maintenance systems lack a reliable mechanism to verify if maintenance tasks are performed correctly, leading to potential safety risks due to human errors.
Innovation Solution
A safety-controlled assistance system incorporating sensors and a processing unit to monitor and determine the correctness of maintenance tasks on switchgear, providing feedback and control operations based on task information and sensor data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If trained personnel follow written safety rules, then maintenance tasks can be performed, but human errors occur leading to safety risks
Solution Approach 1:
The system continuously monitors switchgear status through sensors and compares it against expected task outcomes, providing real-time feedback to verify correct task execution and alert operators to deviations from safe procedures
Solution Approach 2:
The patent replaces reliance on human memory and manual checklist verification with an automated digital system that uses sensors, processing units, and communication devices to monitor and verify task completion, eliminating human error in safety verification
2Reliability
If digital guidance systems are provided to reduce human error, then safety improves, but there is no verification mechanism to determine if tasks are performed correctly
Solution Approach 1:
The system establishes a closed-loop feedback mechanism where sensors monitor switchgear status, the processing unit compares actual status against expected outcomes, and the communication device provides verification feedback to confirm correct task execution
Solution Approach 2:
The processing unit acts as an intermediary that receives data from both the communication device (task information) and sensors (actual status), processes this information, and determines whether tasks have been correctly performed, bridging the gap between guidance and verification
3Measurement precision
If sensors and processing units are added to monitor task correctness, then task verification is achieved, but system complexity increases
Solution Approach 1:
The system uses multi-functional components where sensors serve both operational monitoring and task verification functions, and the processing unit handles both control logic and verification logic, reducing the need for separate dedicated verification hardware
Solution Approach 2:
The switchgear system performs self-verification by using its own integrated sensors and processing units to monitor its status and determine whether maintenance tasks have been correctly executed, eliminating the need for external verification equipment
Data Source
Figure 1~2
Figure 3
AI summary
The present invention relates to a switchgear safety-controlled assistance system, comprising: - a communication device (40); - at least one sensor (20); and - a processing unit (30); wherein the communication device is configured to receive information regarding a task to be performed on a switchgear (10); wherein the communication device is configured to provide the information regarding the task to be performed on the switchgear to the processing unit; wherein the at least one sensor is configured to sense data associated with an event and/or status change of the switchgear associated with an operator performing the task and/or having performed the task; wherein the at least one sensor is configured to provide the data associated with the event and/or the status change of the switchgear associated with the operator performing the task and/or having performed the task to the processing unit; and wherein the processing unit is configured to determine whether the task is not being and/or has not been performed correctly, wherein the determination comprises utilization of the information regarding the task to be performed on the switchgear and the data associated with the event and/or the status change of the switchgear associated with the operator performing the task and/or having performed the task.