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Bug Report - Devo 10, bug at throttle mixer
- pshkong
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05 Dec 2012 15:07 #3656
by pshkong
Bug Report - Devo 10, bug at throttle mixer was created by pshkong
Hi,
after trying the new deViation 2.0 on my Devo 10, I found out there may be some possible bugs in the mixer setup page.
1. In normal flight mode, when the throttle stick is at -100, the output is actually at -80. This doesn't happen in FDMOD1 or FDMOD2, nor when the throttle hold is applied at normal flight.
2. The mixer setting will be overwrite / ignored when changing pages when playing around with different pages.
Besides, I constantly encountered mysterious reboot of tx as documented in other threads, so I'm not going to repeat it here.
Attached please find my configure file used.
Thank you, and hope to see the next release soon.
Regards,
Philip
after trying the new deViation 2.0 on my Devo 10, I found out there may be some possible bugs in the mixer setup page.
1. In normal flight mode, when the throttle stick is at -100, the output is actually at -80. This doesn't happen in FDMOD1 or FDMOD2, nor when the throttle hold is applied at normal flight.
2. The mixer setting will be overwrite / ignored when changing pages when playing around with different pages.
Besides, I constantly encountered mysterious reboot of tx as documented in other threads, so I'm not going to repeat it here.
Attached please find my configure file used.
Thank you, and hope to see the next release soon.
Regards,
Philip
- FDR
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05 Dec 2012 15:26 #3659
by FDR
Replied by FDR on topic Bug Report - Devo 10, bug at throttle mixer
I do not see the throttle problem you have. It's output is -100% at the -100% stick.
Have you properly calibrated your sticks?
Have you properly calibrated your sticks?
- domcars0
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05 Dec 2012 15:30 #3660
by domcars0
I've just loaded you model.ini in the emu_devo10 and the THR output is well to -100% when the input is at -100% ?
Devo 10 (+7e) owner. It's mine, please don't touch it with your big fingers
Replied by domcars0 on topic Bug Report - Devo 10, bug at throttle mixer
Hi Philip,pshkong wrote: Hi,
after trying the new deViation 2.0 on my Devo 10, I found out there may be some possible bugs in the mixer setup page.
1. In normal flight mode, when the throttle stick is at -100, the output is actually at -80. This doesn't happen in FDMOD1 or FDMOD2, nor when the throttle hold is applied at normal flight.
I've just loaded you model.ini in the emu_devo10 and the THR output is well to -100% when the input is at -100% ?
Devo 10 (+7e) owner. It's mine, please don't touch it with your big fingers
- pshkong
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05 Dec 2012 15:51 #3661
by pshkong
Replied by pshkong on topic Bug Report - Devo 10, bug at throttle mixer
Thanks for both of FDR and domcars0 reply, I think this is my problem for not correctly calibrating the throttle stick.... apologies for the confusion caused, but I still encounter the "page" problem...
besides, can you please explain why the default setting for "MIN" and "MAX" is +/-150? Should I change all of them to +/-100 instead?
Thank you very much!
besides, can you please explain why the default setting for "MIN" and "MAX" is +/-150? Should I change all of them to +/-100 instead?
Thank you very much!
- FDR
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05 Dec 2012 15:58 #3662
by FDR
Replied by FDR on topic Bug Report - Devo 10, bug at throttle mixer
While you can set values only up to 100%, the channel's output value can be more than that, for example if you add more values in a complex mixer.
The min and max limit the channel output to a certain value to protect your servos against overdriving.
The min and max limit the channel output to a certain value to protect your servos against overdriving.
- suvsuv
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05 Dec 2012 16:03 #3663
by suvsuv
In terms of the min/max, they actually shouldn't be exposed to users from my point of view, the limit scale is actually decide your servos' travel limit.
Replied by suvsuv on topic Bug Report - Devo 10, bug at throttle mixer
You'd better used attached release which is more stable than v2.0.pshkong wrote: Thanks for both of FDR and domcars0 reply, I think this is my problem for not correctly calibrating the throttle stick.... apologies for the confusion caused, but I still encounter the "page" problem...
besides, can you please explain why the default setting for "MIN" and "MAX" is +/-150? Should I change all of them to +/-100 instead?
Thank you very much!
In terms of the min/max, they actually shouldn't be exposed to users from my point of view, the limit scale is actually decide your servos' travel limit.
- pshkong
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05 Dec 2012 16:18 #3664
by pshkong
Replied by pshkong on topic Bug Report - Devo 10, bug at throttle mixer
Thank you.
It's seems there are multiple ways to do the same thing in deViation. For example, you can use a "safety" option to do the throttle hold, or your can do use a mixer to do it (as suggested by the user manual, which use the Gear switch, if I understood it correctly). Therefore, I think its quite demanding to set up for beginners like myself.
It's seems there are multiple ways to do the same thing in deViation. For example, you can use a "safety" option to do the throttle hold, or your can do use a mixer to do it (as suggested by the user manual, which use the Gear switch, if I understood it correctly). Therefore, I think its quite demanding to set up for beginners like myself.
- vlad_vy
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06 Dec 2012 04:26 - 06 Dec 2012 04:29 #3691
by vlad_vy
Replied by vlad_vy on topic Bug Report - Devo 10, bug at throttle mixer
Min/Max (servo travel limits) is really useful feature and exists at every computer-based Tx I've seen (for RC car, aircraft). It prevents your servo binding for example in case of complex mixers that can output servo travel more than 100% (with scale=100%). Min/Max always have to be set at level when your real servo doesn't get stuck at its maximum posible travel (phisical limits of model). For test you can temporarily set scale=150%.
Last edit: 06 Dec 2012 04:29 by vlad_vy.
- pshkong
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06 Dec 2012 20:36 #3714
by pshkong
Replied by pshkong on topic Bug Report - Devo 10, bug at throttle mixer
Then I'm confused with the scale part. Say, if Min/Max is -/+ 150, and scale is 100, does it mean a 1% move in the stick is translated to a 1.5% gain in the output?
- FDR
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06 Dec 2012 20:44 - 06 Dec 2012 20:45 #3715
by FDR
Replied by FDR on topic Bug Report - Devo 10, bug at throttle mixer
Min/max are only limits. They don't effect the output value until it exceeds either of them.
The scale multiplies the channel value just before applying the limits.
The scale multiplies the channel value just before applying the limits.
Last edit: 06 Dec 2012 20:45 by FDR.
- pshkong
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06 Dec 2012 20:55 #3717
by pshkong
Replied by pshkong on topic Bug Report - Devo 10, bug at throttle mixer
Sorry for my ignorance, but doesn't it conflict with the "scale" when setting the mixer curve? Say in 1-to-1, if I set scale to 60 there, does it have the same effect as I set the scale to 60 here?
- FDR
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06 Dec 2012 21:11 #3719
by FDR
Replied by FDR on topic Bug Report - Devo 10, bug at throttle mixer
If you have only one mixer page, and the scale is less or equal to 100, then it's the same.
However the mixer scale's maximum is 100%, while the channel's final scale can be up to 250%.
The scale on the mixers are for setting the proportions across the mixer pages, while the channel's scale is to adjust the servo travel.
However the mixer scale's maximum is 100%, while the channel's final scale can be up to 250%.
The scale on the mixers are for setting the proportions across the mixer pages, while the channel's scale is to adjust the servo travel.
- pshkong
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06 Dec 2012 21:12 #3720
by pshkong
Replied by pshkong on topic Bug Report - Devo 10, bug at throttle mixer
umm... I start to understand the logic. Thanks!
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