In-Car Induction Loop Detection for Accurate Vehicle Positioning
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Solution Overview
Problem
Induction loop traffic sensors are often hidden beneath road surfaces, making drivers unaware of their location, leading to frustration and inefficiencies in vehicle positioning for gate control and traffic light management.
Innovation Solution
A traffic sensor detecting system integrated into vehicles that uses a detection unit to identify induction loop coils through magnetic field changes, providing real-time notifications or guidance to drivers or autonomous systems for optimal vehicle positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If induction loop coils are embedded into road surface for vehicle detection, then vehicle detection capability is improved, but driver awareness of sensor location deteriorates
Solution Approach 1:
The patent applies visual indicators (such as LEDs or colored markers) that change color or illuminate to indicate the location and status of embedded induction loop coils to drivers. This allows drivers to see the sensor location and understand when they are positioned over it, resolving the information loss caused by embedding sensors beneath the road surface.
Solution Approach 2:
The patent introduces an intermediary system consisting of visual indicators and notification devices that mediate between the embedded sensor and the driver. This intermediary communicates the sensor's location and activation status to the driver without requiring the sensor itself to be visible, thus preserving both the embedded installation benefit and driver awareness.
2Ease of manufacture
If drivers are not aware of traffic sensor location, then installation simplicity is improved, but vehicle positioning accuracy deteriorates
Solution Approach 1:
Visual indicators provide real-time feedback to drivers about their positioning relative to the embedded sensor. Colored lights or markers show when the vehicle is correctly positioned over the sensor, enabling accurate positioning while keeping the sensor itself embedded and simple to install.
Solution Approach 2:
The system provides feedback to drivers through visual indicators that show whether the vehicle is properly positioned over the sensor. This feedback loop allows drivers to adjust their positioning accordingly, achieving measurement precision without compromising installation simplicity.
3Loss of information
If visual indicators are added to show sensor location, then driver awareness is improved, but device complexity increases
Solution Approach 1:
The visual indicator system serves as a separate intermediary layer that does not complicate the embedded sensor itself. The indicator can be a simple LED or marker system that operates independently but provides necessary information to drivers, adding minimal complexity while significantly improving awareness.
Solution Approach 2:
The patent employs simple, low-cost visual indicators such as LEDs or colored markers that are inexpensive to install and maintain. These simple components provide effective communication to drivers without introducing complex systems, keeping the overall device complexity low while improving driver awareness.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances driver awareness of traffic sensors, improving vehicle positioning accuracy and reducing frustration by ensuring proper activation of traffic controls, and aiding in creating more accurate mapping data.
Implementation Method 1
uses a detection unit to identify induction loop coils through magnetic field changes
Implementation Method 2
Such induction loop coils rely on the fact that a vehicle frame is largely conductive (i.e., steel) and therefore will respond to and modify changing magnetic fields in the vicinity
Data Source
AI summary
Traffic sensor detecting systems are provided for detecting the presence and location of traffic sensors (i.e., embedded induction loop coils) and communicating this information to the driver of a vehicle. The traffic sensor detecting systems can provide navigational information to assist with positioning the vehicle into a proper position over an induction loop coil so that a traffic light controller can be activated, a gate controller can be activated, or other process associated with the embedded induction loop coil can be triggered.