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| Stabilization, Rescue mode.... rudder gain... https://www.spirit-system.com/phpBB3/viewtopic.php?f=20&t=397 |
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| Author: | cropduster [ Fri 26. Dec 2014 11:47:52 ] |
| Post subject: | Stabilization, Rescue mode.... rudder gain... |
Hi, I am using bank switching on channel 5 and want to use stabilization and rescue mode on bank 1 and 2. Do I understand correctly that I need to set rudder gain to -60 if I wnat to use those two modes and heading lock with 60% gain? What happens if rudder gain remains at +60% in those two banks, like I have on bank 0 for normal rigid mode? Thanks, Michael P.S.: Is there any abbreviation guide? I understand that HL means heading lock, but HF means? |
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| Author: | ZeXx86 [ Fri 26. Dec 2014 11:57:24 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
Hi, yes, you are right. If you configure +60% gyro gain then only Head Lock mode will be activated without stabilisation/rescue mode. So then you can fly as with Bank 0. HF .. Head Lock + Special Function HL .. only Head Lock |
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| Author: | cropduster [ Fri 26. Dec 2014 15:06:57 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
great, so this is what I need to configure: Bank 0: rudder gain +60, function 'disabled' = normal rigid mode with 60% head lock Bank 1: rudder gain -60, function 'stabilisation' = "coax mode" with 60% head lock Bank 2: rudder gain -60, function 'rescue acro' = rescue function with 60% head lock. Thx, Michael |
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| Author: | ZeXx86 [ Fri 26. Dec 2014 15:20:09 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
Yes, this should be good. No problem. |
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| Author: | cropduster [ Mon 29. Dec 2014 8:35:49 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
Hi there, another question for rudder gain: Changing rudder gain value also changes the rudder limits. I was expecting that changing rudder gain just changes how strong the system reacts to wind or keeps the tail steady, but not limiting servo limits. Did I miss anything? Michael |
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| Author: | ZeXx86 [ Mon 29. Dec 2014 8:44:53 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
Hi, if you can observe that it can't reach ends then your gain is extremely low. If you increase gain to normal level, it will work all the time to the limits. |
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| Author: | cropduster [ Mon 29. Dec 2014 8:54:16 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
Hi, I am at 60% rudder gain and it fully uses its limits on rudder input. But if I change rudder gain to zero, it bareley moves on rudder input. Stick movement almost causes no rudder movement. But at 0 it should still reach its limits when I want rudder input, just system should behave less strong on external influences. I don't understand the reason for that. I never saw similar behavior on rudder gain on other fbl systems. |
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| Author: | ZeXx86 [ Mon 29. Dec 2014 9:19:52 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
You can see exactly same behavior on for example Microbeast. It is very normal, because regulation is not acting so strong. Input is always proportional to the regulation gain, else it will be much stronger. We are using advanced adaptive regulations so it can simply behave very differently. Each gyro and flybarless system behaves differently on the ground. |
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| Author: | ajbwn [ Mon 29. Dec 2014 19:49:37 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
cropduster wrote: Hi, I am at 60% rudder gain and it fully uses its limits on rudder input. But if I change rudder gain to zero, it bareley moves on rudder input. Stick movement almost causes no rudder movement. But at 0 it should still reach its limits when I want rudder input, just system should behave less strong on external influences. I don't understand the reason for that. I never saw similar behavior on rudder gain on other fbl systems. I had the same thing but it was because I had the servo freq set wrong. Regards Alan |
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| Author: | cropduster [ Tue 30. Dec 2014 9:23:54 ] |
| Post subject: | Re: Stabilization, Rescue mode.... rudder gain... |
interesting... I have Walkera digital tail servo WK-2601H from the V450D01.. and frequency set to 50 Hz and impulse to 1520 μs, so standard. P.S.: I just read somewhere that WK-2601 can go up to 200 or 333 Hz. Maybe I should try that. |
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