Vehicle Platooning Communication for Packet-Loss Gap Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle cruise control systems fail to maintain a safe and efficient close following distance, leading to unsafe driving conditions and inefficient fuel consumption, as manual driver control cannot match the performance of automated systems.
Innovation Solution
Implementing a vehicle-to-vehicle communication system that adjusts platooning engagement based on the quality of the communication link, using packet loss thresholds and binning strategies to determine safe and efficient following distances, with redundant modules for enhanced safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If vehicles follow closely together to improve fuel efficiency, then fuel savings increase, but safety decreases due to unsafe following distances under manual driver control
Solution Approach 1:
The patent replaces manual mechanical driver control with an automated platooning system that uses electronic communication and automated vehicle control. The system substitutes human driver actions with automated controllers that receive commands from the lead vehicle through wireless communication, enabling safe close-following distances while maintaining fuel efficiency benefits.
Solution Approach 2:
The platooning system implements continuous feedback loops where the lead vehicle transmits motion commands and status information to following vehicles in real-time. Following vehicles send acknowledgment packets and status updates back to the lead vehicle, creating a closed-loop control system that maintains safe following distances while enabling tight platooning for fuel savings.
2Loss of energy
If automated systems control vehicle speed to maintain constant headway, then fuel efficiency improves, but the system complexity increases compared to manual control
Solution Approach 1:
The patent makes existing cruise control systems multi-functional by integrating platooning capabilities into conventional automated speed control systems. The same automated controller that maintains constant headway for fuel efficiency also handles platooning operations, eliminating the need for entirely separate complex systems while achieving both fuel savings and coordinated vehicle following.
Solution Approach 2:
The platooning system enables following vehicles to autonomously maintain safe distances and coordinate with the lead vehicle without requiring complex centralized control infrastructure. Each vehicle's automated control system independently processes received commands and executes appropriate actions, reducing overall system complexity while achieving coordinated platooning for fuel efficiency.
3Loss of energy
If drivers manually maintain close following distance, then fuel savings are achieved, but the driver capability to maintain optimal headway decreases leading to inefficiency
Solution Approach 1:
The patent replaces manual driver operation with automated control systems that precisely maintain optimal following distances. The automated platoon controller substitutes human driver capability with electronic control that can consistently maintain precise headways, enabling fuel-efficient close following without the limitations of manual driver performance.
Data Source
AI summary
Systems and methods for increasing the efficiency of vehicle platooning systems are described. In one aspect, drivers are more likely to enjoy a system if it begins platooning as desired and does not accidently end platoons. When a certain amount of data packets sent between vehicles are dropped, systems typically will either not engage in a platoon or end a current platoon. When a platoon has a very small gap between vehicles, the platoon should end—or not start, when a certain amount of packets are dropped. However, if a gap is large enough to provide a driver with more time to react, a system may accept a greater amount of dropped packets before it refuses to start a platoon or causes the end of a platoon.