MATLAB Mobile accelerometer data collection - recording stops at random intervals.

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Meryem Sahin
Meryem Sahin 2023-5-10
评论： Meryem Sahin 2023-5-22
Hello,
I am trying to record acceleration values during a half hour walk using MATLAB Mobile and an Android phone (Samsung Galaxy S20 FE). I start recording from the app, then lock the screen and keep the phone in my pocket. The recording starts normally, continues for a few minutes, then there is no data collection in any axes for a few minutes, then the recording starts again without any input from me. Is there any way I can have a continuous recording for 10-15 minutes?
I am using MATLAB 2022a and have tried this with both Android and iOS phones with similar results. You can see in the timetable that timestamps jump a few minutes.
I am adding an example plot for X-axis and the related timetable. Any help would be much appreciated.

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回答（1 个）

Shivam Malviya
Shivam Malviya 2023-5-18
Hi Meryem,
I understand that you are using MATLAB Mobile to record acceleration values during a walk using your Android phone. However, the recording stops and starts at random intervals, resulting in missing data.
One possible reason is that your device’s power-saving mode or battery optimization settings are interfering with the app’s background activity. I recommend disabling these settings for MATLAB Mobile and monitoring if the issue persists.
Regards,
Shivam
  1 个评论
Meryem Sahin
Meryem Sahin 2023-5-22
Hello Shivam,
Thanks for your answer. I have disabled all power saving options and CPU limits in my phone, after I posted the question. I also specified to never put MATLAB Mobile to sleep even when it is in the background. I can say the frequency of the missing data decreased but out of every 3-4 recordings of a few minutes, I still get one recording with missing data.
Any additional input would be much appreciated.
Best,
Meryem

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