Wearable Transceiver Tracking for Artificial Cave Obstacle Course
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Solution Overview
Problem
Current obstacle course systems for simulating cave environments lack user identification, tracking, and equipment monitoring, particularly in determining which user interacts with artificial cave formations and managing user presence and power consumption.
Innovation Solution
An electronic system utilizing wearable and fixed transceivers for user identification and tracking, including automatic control of wearable electronics like lights, and sensors to monitor user interactions and presence, with features for power management based on user activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If wearable transceivers and fixed transceivers are implemented for user identification and tracking, then user identification precision and tracking capability are improved, but device complexity increases
Solution Approach 1:
The system divides tracking functionality into wearable transceivers (worn by users) and fixed transceivers (mounted in the environment). Each transceiver handles local identification and tracking tasks, while a central system aggregates data. This segmentation improves identification precision through distributed sensing while managing complexity by localizing processing functions.
Solution Approach 2:
The transceivers are designed to perform multiple functions: user identification, location tracking, and equipment status monitoring (such as battery charge levels and light status). This multi-functionality consolidates what would otherwise require separate systems, improving measurement capabilities without proportionally increasing overall system complexity.
2Ease of operation
If automatic control of wearable electronics and power management features are added, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The system implements automatic control where the wearable transceiver autonomously manages its electronics (such as turning lights on/off) and the system automatically detects user presence to manage power consumption. This self-service capability improves ease of operation by eliminating manual controls while the automated decision-making logic is embedded in the transceiver firmware, minimizing additional hardware complexity.
Solution Approach 2:
The system continuously monitors user presence, equipment status, and power levels, then automatically adjusts operation accordingly. For example, power management features activate when no users are present, and equipment control responds to detected user actions. This feedback loop provides intuitive operation while maintaining manageable complexity through software-based control.
3Loss of information
If user tracking and presence detection systems are implemented, then information completeness about user activity is improved, but use of energy increases
Solution Approach 1:
The transceivers perform user identification and tracking at periodic intervals rather than continuously, balancing information completeness with energy conservation. The system activates full tracking functionality when users are detected and reduces activity when the environment is empty, as indicated by power management features. This periodic operation maintains necessary information while significantly reducing overall energy consumption.
Solution Approach 2:
The system dynamically adjusts its operational mode based on detected user presence. When users are present, the transceivers operate at full capability to track and identify users. When no users are detected, the system transitions to a low-power state. This dynamic adaptation ensures complete information gathering during active use while minimizing energy consumption during idle periods.
Data Source
AI summary
An artificial cave has various features that resemble speleothems (e.g., stalactites, stalagmites, etc.) found in real subterranean caves. Human users may pass through the artificial cave, with each user wearing a wearable transceiver that broadcasts a signal code unique to that user. Fixed transceivers throughout the cave can detect and identify any user who is sufficiently close to that fixed transceiver. Other components of the system collect user identification information from the fixed transceivers for any of several possible purposes (e.g., identifying which user was probably responsible for inappropriate interaction with a speleothem that is adjacent to a given fixed transceiver, where all of the various user of the cave are currently located in the cave, etc.). A count of users currently in the artificial cave passageway may be maintained and used for a number of purposes. Similarly, human detectors may be employed near the system and/or in the artificial cave passage for any of several different purposes.