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Re: [Paparazzi-devel] a direction question about lisa/m 2.0 board


From: Hao Zhang
Subject: Re: [Paparazzi-devel] a direction question about lisa/m 2.0 board
Date: Thu, 9 Mar 2017 11:26:02 +0800

Hi Balazs!

thanks for your reply.
I will try it.
it‘s very useful for me.

best regards.
Hao

2017-03-08 21:02 GMT+08:00 Balazs GATI <address@hidden>:
> Hi,
>
> yes, x is the first (generally front) direction and z looks toward you in
> the picture while looks downward in a normal airframe. But later you can
> define its direction relative to the airframe in the airframe config file.
>
> At first the directions of the IMU are important (not that of the Lisa board
> or the airframe). But unfortunately I don't have too much experience with
> Aspirin calibration yet, because we are using xsense sensor with its own
> calibration tool.
>
> Regards,
>  Balazs
>
>
>
> 2017.03.08. 9:20 keltezéssel, Hao Zhang írta:
>>
>> Hi Balazs!
>> thanks for your reply.
>> you are right, on the Aspirin IMU wrote axis as below:
>>
>>          x
>>          |
>>          |
>> y-------N
>>
>> so the x point is the front, right?
>>
>> and my another question whitch is the upside in the calibrating the
>> accelerometers.
>> is the lisa/m board upside or the Aspirin IMU board upside?(you know
>> that they are opposite)
>>
>>
>> 2017-03-08 14:44 GMT+08:00 Balazs GATI <address@hidden>:
>>>
>>> Hi,
>>>
>>> you should look at the tiny arrows on the Aspirin IMU on the bottom side
>>> of
>>> the Lisa board. The picture you sent shows the bottom side of the board,
>>> but
>>> without the Aspirin IMU.
>>>
>>> Balazs
>>>
>>>
>>> 2017.03.08. 5:59 keltezéssel, Hao Zhang írta:
>>>>
>>>>
>>>> Hi,everyone.
>>>> I am a beginer,i am building my first quadcopter now.
>>>> according wiki page
>>>> ImuCalibration(http://wiki.paparazziuav.org/wiki/ImuCalibration),
>>>> calibrate my lisa/m 2.0 board.
>>>> but i can not distinguish board's front and upside.
>>>>
>>>> plz look at this pic:
>>>> http://tinypic.com/r/doumhc/9
>>>>
>>>> i think below picture is the upside, and the arrow is the front.
>>>> is that correct? thank you.
>>>>
>>>> plz look at this pic:
>>>> http://tinypic.com/r/2pre6nb/9
>>>>
>>>> _______________________________________________
>>>> Paparazzi-devel mailing list
>>>> address@hidden
>>>> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel
>>>>
>>>
>>> --
>>> Balazs GATI, PhD
>>> associate professor
>>>      Department of Aeronautics, Naval Architecture and Railway Vehicles
>>>      Budapest University of Technology and Economics
>>>
>>> Address:   Budapest
>>>           Stoczek u 6. J. ép. 423
>>>           1111
>>> Tel:       +(36)-1-463-1960
>>> Fax:       +(36)-1-463-3080
>>> Homepage: http://vrht.bme.hu/
>>>
>>> _______________________________________________
>>> Paparazzi-devel mailing list
>>> address@hidden
>>> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel
>>
>>
>> _______________________________________________
>> Paparazzi-devel mailing list
>> address@hidden
>> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel
>>
>
> --
> Balazs GATI, PhD
> associate professor
>      Department of Aeronautics, Naval Architecture and Railway Vehicles
>      Budapest University of Technology and Economics
>
> Address:   Budapest
>           Stoczek u 6. J. ép. 423
>           1111
> Tel:       +(36)-1-463-1960
> Fax:       +(36)-1-463-3080
> Homepage: http://vrht.bme.hu/
>
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel



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