Inertial Sensor Module With Selectable Measurement Data Output
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Solution Overview
Problem
Existing inertial sensor modules cannot change the format of output signals, limiting their versatility in data selection and acquisition based on specific use cases.
Innovation Solution
An inertial sensor module comprising a first and second inertial sensor, along with a processing device that receives detection signals from both sensors and outputs measurement data in a format corresponding to external selection information, allowing for flexible data formatting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the inertial sensor module outputs a predetermined signal format, then the device structure is simple and easy to manufacture, but the adaptability to different applications is poor
Solution Approach 1:
The processing device is designed to dynamically change its output signal format based on external output format selection information. The device can switch between different data formats (e.g., raw data, filtered data, different sampling rates) without requiring physical reconfiguration, thereby achieving adaptability while maintaining a fixed hardware structure.
Solution Approach 2:
The patent implements adaptability by changing the parameters of the output signal (such as data format, sampling rate, filtering characteristics) based on external control inputs. The processing device receives output format selection information and adjusts its output parameters accordingly, allowing the same hardware to serve multiple application requirements.
2Ease of operation
If the inertial sensor module provides fixed output format, then the manufacturing precision requirement is low, but the ease of operation for different applications is poor
Solution Approach 1:
The processing device is designed with multi-functionality to handle various output format requirements. It can process and output data in multiple formats (raw acceleration, angular velocity, filtered data, different coordinate systems) using the same hardware platform, making the device universally applicable to different applications without requiring precision manufacturing variations.
Solution Approach 2:
The processing device performs preliminary processing of sensor data internally and prepares multiple format options before output. By pre-processing the data and having format selection capability built-in, the system eliminates the need for external format conversion devices, simplifying the overall system while improving ease of operation.
Data Source
AI summary
An inertial sensor module includes: a first inertial sensor; a second inertial sensor; and a processing device configured to receive a first detection signal output from the first inertial sensor and a second detection signal output from the second inertial sensor, and output measurement data based on the first detection signal and the second detection signal and based on output instruction information received from outside. The processing device is configured to output the measurement data in a format corresponding to output format selection information received from the outside.