Detector Positional Error Correction in Fluidic Test Apparatus
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Solution Overview
Problem
Existing test apparatuses for analyzing fluidic samples face reliability issues due to motor failures, which result in positional errors affecting the accuracy of detection results.
Innovation Solution
A test apparatus and method that compares detection data with reference data to correct positional errors in the detector, utilizing a controller to adjust the position of the detector and ensure accurate measurements, even when the motor fails.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a motor is used to move the detector during analysis, then the detector can be positioned to measure optical data, but the motor may fail causing positional errors that reduce reliability of detection results
Solution Approach 1:
The system uses a positional sensor to provide feedback on the actual position of the detector, and a controller compares this with the target position to detect positional errors. This feedback loop enables real-time detection and correction of motor positioning failures, maintaining measurement precision while improving reliability.
Solution Approach 2:
The patent replaces reliance on the motor's mechanical positioning accuracy with an optical/electronic positioning system using a positional sensor and controller. This substitution allows software-based correction of positioning errors, transforming a mechanical reliability problem into an easily correctable electronic control problem.
2Productivity
If the motor fails during analysis, then the detector position becomes inaccurate, but continuing without correction leads to unreliable results
Solution Approach 1:
The system performs self-diagnosis and self-correction by automatically detecting positional errors through the positional sensor and controller, then compensating for these errors without requiring manual intervention. This enables the system to maintain measurement precision and continue productive operation even after motor failures.
3Device complexity
If no positional correction mechanism is implemented, then the device complexity remains low, but positional errors from motor failure directly affect measurement accuracy
Solution Approach 1:
The patent introduces a positional sensor as an intermediary component between the motor and detector, and a controller as a mediating processing unit. These intermediaries enable error detection and correction with minimal added complexity, as they use standard sensing and control components rather than complex mechanical correction mechanisms.
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
This solution enhances the reliability of detection results by correcting positional errors, ensuring precise measurement of specimen concentration in fluidic samples, even in the presence of motor failure.
Implementation Method 1
optical data regarding the fluidic sample may be measured using an optical sensor
Data Source
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AI summary
A test apparatus, which may compare detection data of a detector (40) with reference data and correct a positional error in the detector due to the failing of a motor, and a method of controlling the same are provided. The test apparatus includes a detector configured to irradiate light to a plurality of chambers of a reaction device (100) and detect a detection target, a motor (42) configured to move the detector such that light is irradiated to the plurality of chambers, a positional sensor (47) configured to sense a position of the detector, and a controller (30) configured to compare detection data of the detector regarding the reaction device with reference data, determine a positional error in the detector, and correct the positional error.