Inductive Sensor Signal Shifting for Wide-Range High-Resolution Detection
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Solution Overview
Problem
Existing sensor apparatuses face limitations in dynamic measuring range and resolution due to signal distortion and the need for zero-regulation, which leads to high power consumption, large size, and high costs, especially when dealing with varying target object positions.
Innovation Solution
The sensor apparatus employs a linking device that shifts signals into a threshold value range using overlay signals, avoiding zero-regulation and ensuring the amplifier and signal evaluating device operate within a defined range, thereby extending the dynamic measuring range without saturation and maintaining high resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If zero-regulation is used to maintain high resolution, then measurement precision is improved, but device complexity and power consumption increase
Solution Approach 1:
The patent extracts and eliminates the zero-regulation process from the sensor system. By using a linking device that directly shifts signals into the threshold value range without requiring zero-regulation, the system removes the complex microcontroller-based regulation mechanism while maintaining measurement precision across the entire dynamic range.
Solution Approach 2:
The patent introduces a linking device as an intermediary component between the receiver device and the signal evaluating device. This linking device performs signal shifting into the threshold value range using overlay signals, replacing the need for complex zero-regulation microcontrollers and simplifying the overall system architecture.
2Adaptability or versatility
If amplifier operates in saturation mode to handle large signal amplitudes, then dynamic range is extended, but measurement precision deteriorates due to signal distortion
Solution Approach 1:
The patent applies preliminary action by shifting signals into the threshold value range before they reach the amplifier. The linking device uses overlay signals to pre-adjust the signal levels, ensuring that even when target objects are at varying positions producing large signal amplitudes, the amplifier receives signals within its linear operating range, preventing saturation and maintaining measurement precision.
3Measurement precision
If microcontroller with high performance specifications is used to achieve high resolution and high speed of regulation, then measurement precision is improved, but power consumption and device size increase
Solution Approach 1:
The patent extracts and eliminates the need for high-performance microcontrollers from the system. By implementing a linking device that performs signal shifting through overlay signals, the system removes the power-consuming microcontroller-based zero-regulation mechanism while maintaining high resolution measurement capabilities.
Solution Approach 2:
The patent replaces expensive, power-consuming microcontrollers with a simpler, more energy-efficient linking device implementation. The linking device achieves the same functional goal of maintaining signal levels within the threshold value range but with significantly reduced power consumption and device complexity.
4Measurement precision
If zero-regulation process is implemented to maintain signal accuracy, then measurement precision is improved, but system response speed decreases due to finite regulation speed
Solution Approach 1:
The patent extracts and eliminates the zero-regulation process from the system. By using a linking device that directly shifts signals into the threshold value range without regulation loops, the system removes the speed-limiting regulation mechanism while maintaining signal accuracy for target object detection.
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 approach allows for a dynamic extension of the measuring range with high resolution over the entire range, avoiding the disadvantages of zero-regulation processes and enabling accurate target object evaluation without the need for complex microcontrollers.
Implementation Method 1
a transmitter device which is operated by periodic excitation signals at a basic frequency
Implementation Method 2
a receiver device which couples to the transmitter device, wherein the coupling is dependent on a relative position of the target object with respect to the receiver device
Data Source
AI summary
A sensor apparatus for detecting a target object is provided, together with a corresponding method for operating the sensor apparatus. The sensor apparatus comprises a transmitter device which is operated by periodic excitation signals at a basic frequency, a receiver device which couples to the transmitter device, wherein the coupling is dependent on a relative position of the target object with respect to the receiver device, and the receiver device delivers signals at the basic frequency which are dependent on the relative position of the target object with respect to the receiver device. A threshold value checking device checks whether signals lie within or outside a threshold value range. A linking device acts on signals from the receiver device or signals derived therefrom in such a way that signals or signal combinations are shifted into the threshold value range insofar as they previously lay outside this range.