Circuit Device Outputting Fixed-Point Rotation Numbers
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Solution Overview
Problem
Existing circuit devices for detecting physical quantities, such as gyro sensors, require external processing to obtain rotation number information from angular velocity data, which is inconvenient for various applications and increases processing load on external devices.
Innovation Solution
A circuit device that includes a detection circuit for angular velocity and an output unit capable of outputting rotation number information in fixed-point notation, with multiple output modes to provide integer and decimal parts separately or combined, allowing for flexible output formats tailored to specific applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the circuit device outputs only angular velocity information, then the output format is simple, but external processing is required to obtain rotation number information which increases processing load and reduces convenience
Solution Approach 1:
The circuit device performs integration processing of angular velocity information in advance to calculate rotation number information before output. The output unit integrates the angular velocity detection results and prepares rotation number data in predetermined formats (integer part and decimal part) before external devices receive it, eliminating the need for external integration processing.
Solution Approach 2:
The output unit acts as an intermediary between the detection circuit and external devices. It receives angular velocity information from the detection circuit, processes it through integration, and outputs rotation number information in convenient formats. This intermediary function bridges the gap between raw sensor data and application-ready information.
2Adaptability or versatility
If the circuit device provides multiple output modes for rotation number information, then adaptability to various applications is improved, but the complexity of the output unit increases
Solution Approach 1:
The output unit dynamically switches between multiple output modes based on application requirements. It can output rotation number information in different formats (with integer and decimal parts, with only decimal parts, or with reduced decimal precision) by changing its internal processing configuration, allowing adaptation to various applications without hardware changes.
Solution Approach 2:
The output unit changes output parameters such as the number of decimal places, the presence of integer parts, and the format of rotation number information. By adjusting these parameters, the same hardware can serve multiple applications with different precision and format requirements, enhancing versatility without increasing physical complexity.
3Loss of information
If the circuit device outputs both integer part and decimal part of rotation number, then information completeness is improved, but data transmission volume increases
Solution Approach 1:
The output unit segments rotation number information into distinct components: integer parts representing complete rotations and decimal parts representing fractional rotations. This segmentation allows external devices to receive only the necessary portion (integer or decimal) based on application needs, reducing unnecessary data transmission while maintaining information completeness when both parts are required.
Data Source
AI summary
A circuit device includes a detection circuit which outputs angular velocity information, based on a detection signal from an angular velocity sensor element; and an output unit which outputs rotation number information of fixed-point notation that is obtained based on the angular velocity information. The output unit can output an integer part of the rotation number information as an integer part of the fixed-point notation, and can output a decimal part of the rotation number information as a decimal part of the fixed-point notation.