Vehicle Identification System Mode Switching
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Solution Overview
Problem
Conventional vehicle ID systems face challenges in accurately identifying communication vehicles due to limitations in speed matching, size detection, and positional accuracy, leading to potential errors in vehicle recognition.
Innovation Solution
A vehicle ID system that includes a communication device, detection device, and vehicle ID device capable of switching between capturing and tracking modes, utilizing absolute and relative position information, and motion data to enhance identification accuracy by continuously monitoring and adjusting its identification process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional vehicle ID systems use speed matching, size detection, and positional information for vehicle identification, then vehicle recognition can be performed, but identification accuracy is insufficient and errors occur
Solution Approach 1:
The system dynamically switches between capturing mode and tracking mode based on operational conditions. In capturing mode, the system acquires target vehicle information using detection devices. In tracking mode, it continuously updates identification using motion information from communication vehicles. This dynamic adaptation resolves the contradiction by optimizing identification accuracy for different operational phases while maintaining system reliability.
Solution Approach 2:
The system introduces motion information from communication vehicles as an intermediary element to enhance identification accuracy. By combining detection device results with communication-based motion data, the system achieves more reliable vehicle identification, reducing error rates while maintaining measurement precision.
2Ease of operation
If the system uses absolute position information for capturing vehicles, then initial vehicle acquisition is achieved, but continuous tracking accuracy deteriorates due to GPS errors
Solution Approach 1:
The system performs preliminary vehicle capturing using absolute position information from detection devices to acquire target vehicles initially. Once captured, the system transitions to tracking mode where it uses relative position updates and motion information to maintain accuracy without relying continuously on GPS. This preliminary action approach resolves the contradiction by using absolute positioning only when necessary for initial acquisition.
Solution Approach 2:
The system replaces continuous reliance on GPS-based absolute positioning with a hybrid approach that combines detection device data with communication-based motion information. This substitution reduces vulnerability to GPS errors while maintaining the ease of vehicle capturing operation.
3Measurement precision
If the system continuously monitors and switches between capturing and tracking modes, then identification accuracy improves, but system complexity increases
Solution Approach 1:
The system implements dynamic mode switching between capturing and tracking based on predefined conditions. The control unit automatically transitions between modes without requiring complex manual intervention, resolving the contradiction by making the system adaptable while maintaining manageable operational complexity through automated decision-making.
Solution Approach 2:
The control unit serves multiple functions by managing both capturing mode operations and tracking mode operations, as well as handling mode transitions. This multi-functionality reduces overall system complexity by consolidating control logic in a single unit rather than requiring separate dedicated systems for each function.
Data Source
AI summary
A vehicle identification system includes a communication device receiving other vehicle information related to other vehicle around a host vehicle, a detection device detecting other vehicle around the host vehicle, and a vehicle identification device identifying a vehicle transmitting the other vehicle information on the basis of the other vehicle information received by the communication device and the detection device, wherein the vehicle identification device is switching between a capturing mode capturing the transmitting vehicle on the basis of the other vehicle information received by the communication device and the detection device, and a tracking mode identifying the transmitting vehicle on the basis of a positional relation between the host vehicle and the transmitting vehicle at the time of the capturing mode, and motion information related to the transmitting vehicle based on the other vehicle information received by the communication device, after the capturing mode.