The system employs an intelligent tool registration and status management process:

• 1. Tool Registration and Baseline Setting:Users first register tools via the mobile app, creating a digital inventory. The bag establishes a “complete set” baseline when all tools are present and the lock is engaged. This baseline becomes the reference for all subsequent checks, ensuring the system knows exactly which tools should be contained.
• 2. Smart Locking State Detection:The bag only performs accountability checks when intentionally locked by the user. When the lock is activated, the system assumes all registered tools should be present. If tools are missing at this point, it triggers an immediate alert, distinguishing between intentional non-inclusion (when unlocked) and potential loss (when locked).
• 3. Configurable Tolerance Settings:The mobile app allows users to configure tool check parameters. For situations where certain tools may legitimately be absent, users can designate optional tools or create different toolset profiles, preventing false alarms while maintaining security for critical tools.

The bag is designed to maintain core functionality independently of mobile connectivity:

• 1. Autonomous Operation Capability:All essential functions – including RFID scanning, tool counting, locking mechanism, and audible alerts – operate locally on the bag’s embedded system (RTOS). Bluetooth connectivity is optional for advanced configuration and data viewing but not required for basic anti-loss functionality.
• 2. Local Data Logging:The bag contains sufficient memory to store tool check events, lock status changes, and alert histories. When Bluetooth connection is restored, this data automatically synchronizes with the mobile app, ensuring no gap in the tool usage timeline.
• 3. Graceful Degradation:If Bluetooth disconnects during app configuration, the bag continues operating with the last confirmed settings. Critical security functions like the locking mechanism and missing tool alerts remain fully operational, ensuring tool protection is never compromised by connectivity issues.

The bag addresses metal interference challenges through multiple engineering solutions:

• 1. Shielded Compartment Design:The bag utilizes multi-layer composite shielding materials that contain RF signals within the bag while protecting against external interference. This controlled environment minimizes the impact of metal-on-metal tool interactions that typically cause detection issues in unshielded containers.
• 2. Optimized Antenna Placement and Power Management:The RFID antenna is strategically positioned and calibrated to work effectively within the specific dimensions of the tool compartment. The system employs dynamic power adjustment, increasing transmission power when needed to ensure reliable tag reads despite challenging tool materials or orientations.
• 3. Redundant Reading and Validation:The system performs multiple rapid sequential reads when the lid is closed and locked. This redundant approach, combined with signal validation algorithms, ensures that even if a single read attempt is compromised by temporary interference, subsequent reads will capture accurate tool presence data before confirming status or triggering alerts.