Sensor Data Synchronization via Timing Signals
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing detection systems for physical quantity measuring devices lack synchronization in data acquisition timing, leading to unclear identification of when detection data is updated and acquired, which affects the accuracy of information such as posture and movement distance information.
Innovation Solution
A detection device with a processing circuit that outputs detection data at a common acquisition timing to an interface, ensuring data is transmitted in the own data transmitting order, allowing for clear identification of data acquisition timing and reducing time lag between data outputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If detection data is transmitted from multiple sensor devices without synchronized acquisition timing, then the connection structure is simplified and the number of terminals is reduced, but the timing when detection data is updated becomes unclear and synchronization between devices deteriorates
Solution Approach 1:
The host device transmits a timing synchronization signal to multiple sensor devices before data acquisition. This preliminary action ensures that all sensor devices update their detection data at the same timing, resolving the synchronization issue while maintaining the simplified connection structure using a common address for multiple devices
2Adaptability or versatility
If detection data is acquired at different timings from multiple sensor devices, then each device can operate independently, but the accuracy of arithmetic processing for posture and movement distance information deteriorates
Solution Approach 1:
The host device transmits a timing synchronization signal to sensor devices, and the sensor devices respond by updating their detection data at the synchronized timing. This feedback mechanism ensures that all devices operate independently yet maintain synchronized data acquisition timing, improving the accuracy of arithmetic processing for posture and movement distance information
3Ease of operation
If detection data transmission timing is not synchronized, then the command structure is simplified, but the time lag between data outputs from different devices increases
Solution Approach 1:
The host device transmits a timing synchronization signal to multiple sensor devices before data acquisition. This preliminary synchronization action ensures that all sensor devices update and transmit their detection data at the same timing, reducing the time lag between data outputs while maintaining a simplified command structure using common addresses
Data Source
AI summary
A detection device includes: a detection circuit that performs detection processing based on a signal from a physical quantity transducer and outputs detection data; an interface that has communication connection with an external device and outputs the detection data to the external device; and a processing circuit. The processing circuit outputs the detection data acquired from the detection circuit at a common acquisition timing common to at least one other detection device and the own detection device, to the interface in a data transmitting order of own detection device.