Hierarchical Traffic Management with Dynamic Road Section Sizing
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Solution Overview
Problem
Existing hierarchical traffic management systems face inefficiencies due to improper section sizing, leading to excessive section managers, increased cost, latency, and computational complexity, which can be exacerbated by insufficient capacity and exponential energy consumption.
Innovation Solution
A system and method that calculates the minimum density of connected vehicles per lane, determines the optimum number of vehicles to assign to a section manager, and adjusts the section size based on this density and number to optimize the hierarchical traffic management system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the section size is reduced to improve system capacity and reduce computational complexity, then the number of section managers increases excessively, increasing system cost and latency
Solution Approach 1:
The patent implements dynamic section resizing where section boundaries and sizes are adjusted in real-time based on traffic conditions, vehicle density, and computational load. This allows the system to optimize the number of section managers dynamically rather than using fixed sections, resolving the contradiction between reducing computational complexity and minimizing the number of section managers
Solution Approach 2:
The system changes key parameters including section size, vehicle density thresholds, and manager allocation based on real-time traffic conditions. By adjusting these parameters dynamically, the system can reduce computational complexity during high-density periods while maintaining an efficient number of section managers during low-density periods
2Quantity of substance
If the section size is increased to reduce the number of section managers and lower system cost, then the capacity of the section manager becomes insufficient and energy consumption increases exponentially
Solution Approach 1:
The system dynamically adjusts section sizes based on real-time vehicle density and traffic flow patterns. During low-density periods, larger sections reduce the number of managers needed, while during high-density periods, sections are automatically subdivided to prevent capacity overload and excessive energy consumption, thus resolving the contradiction between reducing manager数量 and controlling energy use
Solution Approach 2:
The patent implements automatic section segmentation where large sections are dynamically divided into smaller subsections when vehicle density exceeds thresholds. This ensures that no single section manager handles excessive vehicles, preventing exponential energy consumption while maintaining an efficient overall system structure
3Quantity of substance
If the section size is increased to reduce the number of section managers, then system latency increases due to larger data processing requirements
Solution Approach 1:
The system dynamically optimizes section sizes to balance the number of section managers with processing latency. By adjusting section boundaries in real-time based on traffic patterns and computational load, the system maintains low latency while minimizing the number of managers, resolving the contradiction between these two parameters
Data Source
AI summary
Systems and methods described herein relate to configuring a hierarchical traffic management system. One embodiment receives, at a cloud server, a request from an application, the request including requirements and implicating configuration of a hierarchical traffic management system; determines, based on information received from one or more connected vehicles in an area of interest pertaining to the request, a minimum density of connected vehicles in the area of interest to meet the requirements; calculates an optimum number of connected vehicles to assign to a section manager in the hierarchical traffic management system; calculates the size of a section of the roadway to be managed by the section manager in the area of interest based, at least in part, on the minimum density of connected vehicles and the optimum number of connected vehicles; and activates the hierarchical traffic management system in accordance with the calculated size of the section.