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About chaitanyai
since
06-08-2021
08-29-2024
chaitanyai
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08-08-2024
08:44 AM
Hi Bosch, Please someone help me with this?
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07-31-2024
08:38 AM
Hi Bosch team, We are a Smart Rotamach company working with an innovative client company in the US. We are developing a product for them in which we understand the head orientation based on your BHI160B IMU. We facing some of the basic issues with the IMU related to the very noticeable heading drift, Drifted Absolute heading, recalibrate every time on power cycle - Is it a must or can we store calib values and reapply? Can we stop auto-calibration, so I can work with stored calib values? Is this device meant for using a dynamic Inclinometer application- Like the ST app note shows? My biggest Disappointment is I am using a 9DOF now with BMM150, but still I cannot say that I can give drift less IMU values to client? why? even with proper calibration I cannot have drift less values? And Client is looking at ST IMU's and stating they can give precise drift less values which bosch cannot. I dont want to move to some other, as I trust Bosch on technical development. Yes, I know BHI160B is in EOL but as the client has products and he is testing, I need to know limitations and what we can and what we cannot? The client is ready to take support from Bosch and is there a possibility we can talk to the technical team to understand the limitations? which can be even on charge bases.
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10-11-2022
08:43 AM
Can someone help me with this?
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10-11-2022
08:43 AM
HI, Please refer to this document from CEVA http://www.ceva-dsp.com/wp-content/uploads/2019/09/BNO080-BNO085-Tare-Function-Usage-Guide.pdf I want to implement similar functionality in the BHI160b, Is it possible?
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09-28-2022
01:14 PM
HI Robin, Thank you for the response. 1) Yes, I tested orientation.ino and it is working perfectly. One board out of three, while testing suddenly stopped working. Still, the bhi. fw getting flashed and showing the sensor ids but no output data from that board. The remaining two boards working well. - Can we check somehow the firmware flashed is perfectly loaded? - Is the Virtual sensor and Interrupt enabled? 2)"Accuracy means the calibration status of fusion algorithm" - Yes That's what I am looking for. The sensor contains BSX-Full right? so the sensor is calibrated by power on? Or do we need to calibrate every power on? - Does BHI160B have dynamic calibration? I am expecting, While in motion the sensor will be auto-calibrated am I wrong? 3)Does orientation and calibration have any relationship? Please check my board orientation attached - (Its a custom-made board) 4) I want to use the Arduino library but cannot find the orientation remapping registers code ported for Arduino drivers available. Is any other Arduino drivers I can get to remap the orientation of the IMU's? 5) This question is related to the application. As far as I studied, We can't use Euler angles for 360 degrees representation of the object in the space even at the unit axis(I mean I consider only rotations at a single point). To achieve this we need to move to the Quaternions. Till this I am good. I am getting the Quaternions from the IMU. - Now I am confused. How to represent the object orientation based on Quaternions - What I want is I need to derive the object is X , Y and Z degrees rotation in space, taking board orientation as (0,0,0) reference. Is it possible?
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