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Do you have a question on MEMS Sensors? Ask our Expert, Donna Sandfox

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Donna Sandfox

Donna Sandfox is the Product Manager for Sensors and MEMS Products for Omron Electronic Components LLC.  Her primary area of expertise is in MEMS Mass Flow Sensors.  She also supports Omron’s pressure, thermal IR, tilt/vibration and optical (photomicrosensors) sensors, as well as their RF MEMS Switch products.  Donna received her bachelor’s degree in mechanical engineering from Southern Illinois University and an MBA from Roosevelt University.


 


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  • Hello Donna,

     

    I'm trying to develop a measurment system for human respiration via using distance sensors on the abdomen and chest, to measurement changes in distance  as they expand for respiration.

     

    My idea is to place a magnetic or piece of metal on the chest and/or abdomen, then place a sensor on the back of the patient. I have been looking at magnetic, capacitive, and eddy current based sensors. However, they seem to have a range upto around 55 mm, and also they may not be able to detect around the human body.

     

    Is it not possible to use a magnetic, capacitive, or eddy current based sensor when there is a human body between the sensor and the sensing object?

     

     

     

     

  • in reply to Former Member

    Hi Santosh - we developed a 3D MEMS sensor that measures motion with a 3-axis accelerometer, gyroscope, and accelerometer - so it provides 9 channels of data. It has its own microprocessor, power source, and can communicate with any bluetooth or analog system. We needed it to develop an electronic personal trainer. Let me know if you're interested - I think it could help you out with your respiration measurement challenge.

  • in reply to Former Member

    How does it compare to the MPU9150?

    What problems does it solve for the OP with respect to force measurement?

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