Radio Wave Sensor Alignment Using External Reference Objects
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Solution Overview
Problem
Existing radio wave sensors face challenges in accurately adjusting their radiation direction, especially when installation requires entering a target area that is difficult to access, such as a road with vehicle traffic, necessitating the closure of the area for reference object installation.
Innovation Solution
A method and device for installing a radio wave sensor that utilizes a reference object positioned outside the target area, allowing for adjustment of the radiation direction without requiring workers to enter the target area, using a sighting device and controller to align the radiation direction with a reference object, and displaying adjustment directions on a screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a reference object is installed inside the target area for adjusting radio wave radiation direction, then the adjustment accuracy is improved, but the installation becomes difficult or impossible when the target area is difficult to access (e.g., road with vehicle traffic)
Solution Approach 1:
The patent introduces a reference object installed outside the target area as an intermediary for adjustment. Instead of directly installing the reference object inside the difficult-to-access target area, it places the reference object in an accessible location and uses the radio wave sensor's detection capability to establish the angular relationship, thereby mediating between the accessible installation location and the inaccessible target area.
Solution Approach 2:
The patent replaces the mechanical approach of physically installing the reference object inside the target area with an electromagnetic field-based approach. The radio wave sensor detects the reference object through radio waves, allowing the angular relationship to be established without physical access to the target area, thus substituting mechanical installation with electromagnetic detection.
2Measurement precision
If workers enter the target area to install reference objects, then the adjustment can be performed, but road closure or work stoppage is required, reducing productivity
Solution Approach 1:
The reference object serves as an intermediary that can be installed in accessible areas without requiring road closure. It enables the adjustment process to proceed using radio wave detection from outside the target area, eliminating the need for workers to enter the target area and avoid work stoppage.
Solution Approach 2:
The patent replaces the mechanical process of manual alignment and visual verification with radio wave-based detection. The radio wave sensor automatically detects the reference object and provides feedback for adjustment, eliminating the need for workers to physically enter the target area and improving installation efficiency.
3Ease of operation
If the radio wave sensor is adjusted without a proper reference, then installation is simpler, but the radiation direction accuracy deteriorates
Solution Approach 1:
The reference object acts as an intermediary standard for measurement. It provides a known angular relationship that the radio wave sensor can detect, enabling accurate determination of the radiation direction without complex installation procedures. The reference object serves as a mediator between the simple installation process and the accurate measurement requirement.
Solution Approach 2:
The patent replaces complex mechanical alignment procedures with radio wave-based detection. Instead of requiring precise mechanical installation of reference objects inside the target area, the system uses radio waves to detect the reference object and calculate angles, achieving high accuracy with simpler installation.
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
Facilitates easy and accurate adjustment of the radio wave sensor's radiation direction, eliminating the need to close roads or enter difficult-to-access areas during installation, thereby enhancing installation efficiency and accuracy.
Implementation Method 1
a radio wave sensor configured to radiate a radio wave to a range including a target area that is set for detection of an object
Data Source
AI summary
A method of the disclosure is for installing a radio wave sensor configured to radiate a radio wave to a range including a target area that is set for detection of an object. The method includes: a step of installing a reference object; and a step of adjusting a radio wave radiation direction of the radio wave sensor, using the reference object as a reference. The reference object is installed at a first position outside the target area.