Work Machine Activation Control for Safety Precaution Confirmation
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Solution Overview
Problem
Operators may unknowingly operate work machines without being aware of additional safety functions, leading to decreased work efficiency due to the potential for unexpected safety measures being activated.
Innovation Solution
An activation system for work machines that includes a presentation unit to inform operators of safety precautions and an activation control unit that only allows the power source to be activated after the operator confirms understanding of these precautions, utilizing Bluetooth low energy (BLE) for authentication and communication with a remote server for up-to-date operator data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional safety functions are added to the work machine, then safety performance is improved, but operator awareness and work efficiency may deteriorate due to lack of knowledge about the additional functions
Solution Approach 1:
The system performs preliminary action by displaying precaution information to the operator before the work machine is activated. The activation control unit prevents power source activation until the operator acknowledges the precaution information, ensuring safety awareness is established before operation begins. This resolves the contradiction by proactively addressing safety awareness without interfering with subsequent work efficiency.
2Reliability
If precaution confirmation is required before activation, then safety awareness is improved, but activation time and operational readiness may worsen
Solution Approach 1:
The system applies partial action by requiring confirmation only of essential precaution information rather than comprehensive safety training. The presentation unit displays key precaution points, and the activation control unit requires acknowledgment of these specific points. This selective approach ensures safety awareness is achieved without excessive time consumption, resolving the contradiction between thorough safety confirmation and rapid activation.
Data Source
AI summary
An activation system for a work machine includes a presentation unit and an activation control unit. The work machine includes a power source and an additional function unit that realizes a predetermined additional function. The presentation unit presents a precaution related to the predetermined additional function. The activation control unit allows the power source to be activated after an operator confirms the precaution.