Portable Device Impact Detection Using UWB and IMU Tracking
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Solution Overview
Problem
Existing systems fail to effectively monitor and manage impact events on portable devices and components within interactive environments, leading to potential damage and inefficient maintenance.
Innovation Solution
An impact detection system utilizing ultra-wideband (UWB) tags and inertial measurement units (IMUs) to track the position, orientation, and acceleration of portable devices, comparing data against a virtual map to identify impact events and generate impact profiles for devices and components, triggering maintenance alerts when thresholds are exceeded.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If impact detection systems are implemented to monitor portable devices and components, then device damage and maintenance costs are reduced, but system complexity and implementation costs increase
Solution Approach 1:
The system enables components and portable devices to self-report impact events through integrated sensors and automated communication protocols. Impact detection sensors on components autonomously detect and report impacts to the central system, eliminating the need for manual monitoring and reducing overall system complexity despite the added detection capability.
Solution Approach 2:
A central processing system acts as an intermediary between impact detection sensors on components and the maintenance management system. This intermediary consolidates data from multiple sources, processes impact information centrally, and coordinates maintenance responses, simplifying the architecture compared to distributed autonomous systems.
2Measurement precision
If continuous monitoring of portable devices is performed using UWB and IMU sensors, then impact detection accuracy is improved, but energy consumption and processing requirements increase
Solution Approach 1:
Instead of continuous monitoring, the system uses periodic sampling of position and acceleration data at strategically selected intervals. The IMU sensors capture impact events at high frequency when triggered, while UWB position updates occur at lower periodic intervals, reducing overall energy consumption while maintaining detection accuracy through event-triggered sampling.
Solution Approach 2:
The system pre-configures threshold values for impact detection and pre-processes sensor data streams to identify potential impact events before full analysis is required. By establishing predetermined criteria for impact detection and pre-filtering sensor data, the system reduces real-time processing requirements and associated energy consumption while maintaining detection precision.
3Productivity
If impact profiles are maintained and assessed for all components, then maintenance timing is optimized, but data management and processing complexity increase
Solution Approach 1:
The system extracts only the most critical impact parameters and maintains simplified impact profiles that focus on key maintenance indicators rather than comprehensive data storage. By selecting and storing only the most relevant impact metrics, the system optimizes maintenance scheduling while reducing data management complexity and processing requirements.
Solution Approach 2:
Instead of maintaining detailed impact histories for all possible parameters, the system inverts the approach by maintaining only essential impact profiles and extracting additional details on-demand when maintenance assessments are required. This reversal reduces ongoing data management complexity while preserving the ability to assess maintenance needs effectively.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Efficiently identifies and manages impact events, ensuring portable devices and components remain functional, facilitating timely maintenance and improving guest experience by reducing device damage and optimizing operational efficiency.
Implementation Method 1
process positioning data generated by ultra-wideband circuitry
Implementation Method 2
track the position, orientation, and acceleration of portable devices
Data Source
AI summary
An impact detection system includes processing circuitry with one or more processors. The impact detection system also includes memory storing instructions, that when executed by the processing circuitry, cause the processing circuitry to process positioning data to determine a position of a portable device within an interactive environment, compare the position of the portable device to a location of a component within the interactive environment, identify an occurrence of an impact event based on the position of the portable device corresponding to the location of the component, and update an impact profile for at least the portable device or the component based on the occurrence of the impact event.