Coordinated Warning Signals for Roadside Safety
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Solution Overview
Problem
Current roadside safety systems for emergency responders and construction personnel lack coordination of warning signals among multiple devices, leading to confusing glare and reduced safety, as each device operates independently without effective communication.
Innovation Solution
A self-assembling wireless local network of devices that automatically connect and coordinate warning signals, vehicle telematics, and sensor data to enhance safety, using mesh network topology, RF communications, and sensors like GPS, MEMS, and cameras to determine relative positions and adjust warning patterns dynamically.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If multiple emergency vehicles display warning light signals independently, then each vehicle can warn approaching traffic, but the uncoordinated signals generate confusing glare and can blind emergency responders
Solution Approach 1:
The patent merges multiple independent warning signal systems into a coordinated networked system. Emergency vehicles exchange information via wireless communication to synchronize their warning light signals, transforming individual independent operations into a unified coordinated response that eliminates confusing glare while maintaining comprehensive traffic warning coverage
Solution Approach 2:
The system implements feedback mechanisms where vehicles continuously exchange status information about their warning signal operations. This feedback loop allows the network to dynamically adjust signal coordination based on real-time conditions, ensuring that warning signals are synchronized and do not create harmful glare effects
2Ease of operation
If manual coordination of warning systems is implemented, then signal activity can be controlled, but the process is time-consuming and requires human intervention
Solution Approach 1:
The patent implements self-service automation where the warning signal coordination system operates autonomously without human intervention. Vehicles automatically detect each other's presence, exchange operational status information, and adjust their warning signals through programmed logic, eliminating the need for manual coordination while reducing response time
Solution Approach 2:
The system performs preliminary actions by pre-programming coordination logic and rules for warning signal operation. When vehicles join the network, the coordination framework is already in place, allowing immediate automated synchronization without requiring real-time manual setup or decision-making
3Adaptability or versatility
If stand-alone devices are used for roadside operations, then each device can function independently, but there is no coordination of warning signals and sensor data among multiple devices
Solution Approach 1:
The patent makes each roadside device universally capable by equipping them with standardized wireless communication interfaces and sensors. This multi-functionality allows devices to both operate independently when needed and seamlessly integrate into the network for coordinated operation, enabling flexible adaptation to various operational scenarios
Data Source
AI summary
A self-assembling network is configured to automatically and dynamically connect devices used in operations carried out on or near roads bearing vehicle and pedestrian traffic. An automatic, ad hoc network connecting existing and new devices can be used to enhance safety by gathering and exchanging safety critical information. In some cases, existing equipment can be augmented with a network controller and radio frequency communications to permit the devices to join a wireless local network and exchange information over the network. New devices, including wearable devices, can be configured to act as nodes on the wireless local network. Establishing the relative position of vehicles, sensors, wearables, and other nodes on the disclosed ad hoc wireless network allows the coordination of functions based on position.