Sensor Signal Protection Using Cyclic Measurement Variation
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Solution Overview
Problem
Modern inertial sensors face challenges in detecting errors due to line errors causing incorrect voltages, leading to component destruction and distorted signals, especially when high resolution is required for accurate measurement, which increases bandwidth demands.
Innovation Solution
A method involving cyclical processing of measurement values using predefined specifications to introduce variations, allowing error detection without increasing resolution, by modifying measurement values with predefined link values, enabling efficient error detection and transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the resolution of measurement values is increased to detect errors through noise identification, then measurement precision is improved, but transmission bandwidth requirements increase significantly
Solution Approach 1:
The patent applies preliminary action by intentionally modifying measurement values before transmission through cyclical processing specifications. Instead of increasing resolution to detect errors, the system pre-processes data by adding predetermined patterns (such as alternating addition/subtraction of reference values) that enable error detection at the original resolution level. This proactive modification allows receiver-side verification without requiring higher transmission bandwidth.
2Reliability
If high resolution measurement values are transmitted to enable error detection through noise analysis, then reliability is improved, but device complexity increases due to higher bandwidth demands
Solution Approach 1:
The patent changes parameters by transforming the approach from increasing measurement value resolution to modifying the temporal pattern of measurement values. By applying cyclical processing specifications that alter the time-domain characteristics (such as alternating addition and subtraction of reference values at specific intervals), the system enables error detection through pattern recognition rather than resolution analysis, thereby maintaining simpler transmission requirements.
3Measurement precision
If measurement values are actively varied using cyclical processing specifications, then error detection becomes possible without increasing resolution, but processing complexity increases
Solution Approach 1:
The patent implements periodic action through cyclical processing specifications that repeatedly apply predetermined modification patterns to measurement values. By using periodic addition and subtraction of reference values at fixed intervals, the system creates recognizable patterns that facilitate error detection. This regular, repeating structure simplifies implementation compared to complex aperiodic processing, as both transmitter and receiver can use identical periodic patterns for encoding and verification.
Data Source
AI summary
A method for protecting a signal for transmitting a sequence of measurement values to a signal processing unit. The method includes a step of reading in at least one sequence of measurement values from a sensor and a step of processing the measurement values using a cyclical processing specification in order to determine a varied measurement value for each of at least two measurement values. Finally, the method comprises a step of sending the varied measurement values to the signal processing unit as measurement values from the sensor.