Portable Device Handling Detection Using UWB and IMU Tracking
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Solution Overview
Problem
Existing systems fail to effectively monitor and manage improper handling of portable devices in interactive environments, leading to potential damage and suboptimal guest experiences.
Innovation Solution
An event detection system using ultra-wideband (UWB) tags and inertial measurement units (IMUs) to track the position, orientation, and acceleration of portable devices, identifying improper handling events and applying restrictions or enhancements based on predefined thresholds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If monitoring systems are implemented to track portable device handling, then device damage is reduced and guest experience is enhanced, but system complexity and implementation cost increase
Solution Approach 1:
The patent combines multiple monitoring functions (position tracking, handling event detection, threshold evaluation, and restriction enforcement) into a unified event detection system. The system merges UWB positioning data with accelerometer data to comprehensively monitor portable device handling, reducing the need for separate monitoring systems while effectively preventing device damage through integrated analysis of multiple data sources.
Solution Approach 2:
The system introduces an event detection server as an intermediary that processes positioning data and accelerometer data to identify handling events. This mediator analyzes the combined data streams, determines whether improper handling occurred, and enforces appropriate restrictions, simplifying the overall system architecture by centralizing the complex analysis logic in a dedicated component rather than distributing it across multiple systems.
2Reliability
If continuous monitoring of portable devices is implemented, then improper handling is detected early, but energy consumption and processing load increase
Solution Approach 1:
The system implements periodic monitoring by obtaining positioning data at specific time intervals rather than continuously. The event detection server periodically retrieves positioning data from the location service and accelerometer data from the portable device, processing these discrete data samples to identify handling events. This periodic approach maintains detection accuracy while significantly reducing energy consumption and processing load compared to continuous monitoring.
Solution Approach 2:
The system applies partial monitoring by focusing computational resources on analyzing specific events rather than continuously processing all data. The event detection server selectively evaluates handling events against predefined thresholds and only enforces restrictions when improper handling is detected, rather than maintaining constant active monitoring of all device movements. This approach reduces overall processing load while maintaining effective detection capability.
Data Source
AI summary
An event detection system includes processing circuitry with one or more processors. The event detection system also includes memory storing instructions, that when executed by the processing circuitry, cause the processing circuitry to process positioning data for a portable device to identify an occurrence of an improper handling event for the portable device by a user, and update a user event profile for the user by adding the improper handling event to a quantity of improper handling events for the portable device by the user. The instructions, that when executed by the processing circuitry, cause the processing circuitry to apply one or more restrictions for the user in response to determining that the quantity of improper handling events for the portable device by the user meets or exceeds an event threshold.