Joint Street Lighting and Traffic Control System
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Solution Overview
Problem
Conventional street lighting and traffic control systems in urban areas are inefficient, leading to high energy consumption and significant operational costs, while existing traffic control systems do not effectively utilize advanced technologies to optimize traffic flow and safety.
Innovation Solution
A joint street lighting and traffic control system utilizing wireless mesh communication architecture, equipped with sensors and processors, including LED lighting fixtures with integrated sensors and GPS, to provide intelligent lighting control, efficient traffic management, and real-time data collection and dissemination for improved public services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conventional street lighting systems are used, then lighting coverage is provided, but energy consumption is excessively high
Solution Approach 1:
The street lighting system transitions from static conventional lighting to dynamic LED-based lighting with real-time control capabilities. The system dynamically adjusts lighting levels based on traffic flow, ambient light conditions, and emergency situations, thereby reducing energy consumption while maintaining reliable illumination when needed.
Solution Approach 2:
The patent changes the fundamental parameters of the lighting system by replacing conventional lamps with LED technology and implementing controllable lighting levels. This allows the system to operate at lower energy states during normal conditions while maintaining high illumination levels for emergencies, resolving the contradiction between energy consumption and reliability.
2Productivity
If traditional traffic control systems are used, then basic traffic signal control is provided, but traffic flow optimization is insufficient
Solution Approach 1:
The traffic control system is designed with multi-functionality, integrating traffic signal control, traffic flow monitoring, emergency vehicle detection, and real-time communication capabilities into a single unified system. This allows the system to optimize traffic flow through multiple functions without proportionally increasing complexity, as components serve multiple purposes.
Solution Approach 2:
The patent introduces a communication network and control center as intermediaries between sensors, traffic signals, and emergency vehicles. This intermediary layer coordinates information flow and control decisions, enabling sophisticated traffic optimization without requiring direct complex connections between all system components.
3Adaptability or versatility
If advanced sensor technologies and communication systems are integrated, then traffic management capability is enhanced, but system complexity increases
Solution Approach 1:
The complex traffic management system is segmented into modular functional components: sensor units, communication modules, control centers, and execution devices. Each segment performs specific functions and can be independently configured or maintained, reducing overall system complexity while maintaining high adaptability through modular reconfiguration.
4Reliability
If real-time traffic monitoring and control are implemented, then traffic safety is improved, but operational costs increase
Solution Approach 1:
The system implements periodic monitoring and control actions rather than continuous operation. Sensors periodically assess traffic conditions, and control decisions are made based on accumulated data, providing adequate safety monitoring while reducing energy consumption and operational costs compared to continuous real-time control.
Data Source
AI summary
A street lighting and traffic control system and method employing sensor technologies. Conventional sensors and processors are linked together by a wireless mesh communications architecture that may also be interfaced through one or more gateways into one or more monitoring and control centers. Traffic flow reporting, control and forecasting using a street lighting and traffic control network that includes a series of street lighting fixtures.