Vehicle Platoon Grouping for Low-Load Speed Control
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Solution Overview
Problem
In vehicle manufacturing systems where multiple vehicles perform self-propelled transportation, the communication and processing loads increase due to individual control instruction value transmission to each vehicle, leading to inefficiencies.
Innovation Solution
A vehicle manufacturing system that controls a platoon of vehicles with common control instruction values for groups, using sensors to detect inter-vehicle distances and adjust vehicle grouping based on thresholds, switching to individual control when necessary, and employing a server to manage addresses and transmit instructions efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If individual control instruction values are transmitted to each vehicle, then precise speed control is achieved, but communication load and processing load increase
Solution Approach 1:
The patent merges multiple vehicles into a platoon group that shares a common control instruction value. Instead of transmitting individual control values to each vehicle, a single control value is transmitted to the entire platoon, significantly reducing communication load while maintaining coordinated motion of all vehicles in the group.
Solution Approach 2:
The patent segments the fleet of vehicles into multiple platoon groups, where each platoon operates with its own common control value. This segmentation allows the system to manage communication loads by dividing vehicles into smaller manageable groups while still achieving efficient collective control within each group.
2Reliability
If individual control instruction values are transmitted to each vehicle, then precise speed control is achieved, but processing load increases
Solution Approach 1:
The patent merges the control processing for multiple vehicles into a single operation by computing one common control instruction value for the entire platoon. This eliminates the need for separate processing of individual control values for each vehicle, significantly reducing the computational processing load on the control system.
3Device complexity
If vehicles travel in a platoon with common control values, then communication and processing loads are reduced, but inter-vehicle distance control may be compromised
Solution Approach 1:
The patent implements a feedback mechanism where sensors continuously detect inter-vehicle distances within the platoon. Based on this detected distance information, the system dynamically adjusts the common control instruction value to maintain safe and optimal spacing between vehicles, ensuring precise distance control despite using unified control values.
Solution Approach 2:
The patent makes the platoon configuration dynamic by allowing vehicles to be added or removed from the platoon based on detected inter-vehicle distances. When distances fall outside acceptable ranges, the system dynamically reconfigures the platoon composition, switching between group control and individual control as needed to maintain safety and precision.
Data Source
AI summary
A vehicle manufacturing system is a vehicle manufacturing system for performing control in such a way that a plurality of vehicles forming a platoon travel, the vehicle manufacturing system including: a computing unit for computing a control instruction value for controlling a speed of the vehicle; a transmitter configured to transmit the control instruction value to vehicles included in a group including two or more of the vehicles included in the platoon, the control instruction value being common among the vehicles included in the group; a speed control unit for controlling the speed of the vehicle in accordance with the control instruction value; a sensor provided to detect an inter-vehicle distance, which is a distance between the vehicles; and a group adjustment unit for changing the vehicles included in the group in accordance with the inter-vehicle distance.