Crash Attenuator Impact Tracking for Unreported Roadside Damage
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle crash attenuators and roadside safety devices often become damaged from minor, unreported vehicular impacts, leading to hazardous conditions and lack of reliable asset tracking and management systems.
Innovation Solution
An automated impact detecting and tracking system comprising a sensor module mounted on crash attenuators and other roadside assets, which captures impact data, sends alerts, and integrates with a database for real-time asset management and monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If automated sensor modules are installed on each roadside asset to detect impacts, then impact detection capability and asset monitoring reliability are improved, but device complexity and system cost increase
Solution Approach 1:
The system divides the monitoring function into independent sensor modules that can be individually installed on each roadside asset. Each module contains its own processor, communications transmitter, power supply, and impact detecting sensor, allowing distributed deployment without requiring a centralized complex system architecture.
Solution Approach 2:
The sensor module is designed as a universal platform that can be installed on multiple types of roadside assets including crash attenuators, signs, and guardrails. The module performs multiple functions: impact detection, location tracking, and communication with central systems, eliminating the need for different specialized devices for different assets.
2Productivity
If real-time monitoring of all roadside assets is implemented, then asset management efficiency and safety are improved, but loss of time for data collection and processing increases
Solution Approach 1:
The sensor modules continuously collect and pre-process impact data in real-time, maintaining a ready state with pre-programmed impact thresholds. When an impact occurs, the module immediately compares the impact magnitude against pre-established criteria and instantly transmits alerts, eliminating the need for post-event data analysis and reducing overall response time.
Solution Approach 2:
The system implements continuous feedback loops where sensor data is constantly monitored, automatically compared against impact thresholds, and triggers immediate alerts when criteria are met. This real-time feedback mechanism enables instantaneous detection and reporting without manual intervention or delayed batch processing.
3Measurement precision
If impact thresholds are set to detect minor impacts, then detection sensitivity is improved, but false alarm rate increases
Solution Approach 1:
The system dynamically adjusts impact detection thresholds based on multiple parameters including asset type, location, environmental conditions, and historical impact patterns. Different asset categories have customized threshold settings, and the system can adapt thresholds over time based on learned patterns, enabling sensitive detection while minimizing false alarms through parameter optimization.
Solution Approach 2:
The sensor module monitors multiple impact parameters simultaneously (magnitude, duration, direction, frequency) rather than relying on a single threshold. By analyzing multiple aspects of the impact event, the system can distinguish between genuine impacts requiring attention and normal environmental variations, reducing false alarms while maintaining high detection sensitivity.
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
The system effectively tracks and manages roadside safety assets, ensuring timely inspection and maintenance, reducing hazards, and improving the cost-effective management of traffic safety assets.
Implementation Method 1
The sensor module 18 includes a communications processor 40, an accelerometer 46, and a GPS locator 50
Data Source
AI summary
An impact tracking system includes a sensor module that mounts to a fixed crash attenuator, sign, guardrail, or other roadway devices installed along a roadway. When the crash attenuator or other asset is impacted by an errant vehicle, the impact tracker, comprising a sensor system, senses and captures the impact data and sends an alert message to a remote receiver. The receiver may comprise known data receiving means, such as computers or phone systems, which may receive emails, text messages, photos, and the like in real or near real time. Received data may be analyzed, stored, and/or re-transmitted to additional receivers, which may include road authorities, such as transportation departments responsible for inspecting and repairing the impact attenuators.