RoboSavvy Forum

KRG-2 Gyro Stabilizer

2008-12-17T00:12:57+01:00

yeah tanq....

Statistics: Posted by cherlasr — Wed Dec 17, 2008 12:12 am

Installing

2008-12-16T04:42:59+01:00

Hi There,

I am not really sure whether the documentation is applicable for Manoi' servos or not. I am working on the KHR-1. As long as you have the correct installation, I am sure your Manoi will be safe (the servos).

Cheers,

ryann2k1

Statistics: Posted by ryann2k1 — Tue Dec 16, 2008 4:42 am

Hi every1

2008-12-10T11:10:54+01:00

Iam Sravan, Iam working on the manoi AT01 were i have gone through the basic motions of the robot through Heart2Heart software, now i want to install the sensors and control the robot, so plzz suggest me to get some information on how to install the software and how to control them,ery
I will be very happy on getting request,:)
sravan.

Statistics: Posted by cherlasr — Wed Dec 10, 2008 11:10 am

Gyro

2006-12-19T12:25:44+01:00

Sorry. I mean, the english version on the website is already corrected or not. I am jut worried, I will broken my servos.Maybe you have your detail about the wiring.
Thank you.

ryann2k1

Statistics: Posted by ryann2k1 — Tue Dec 19, 2006 12:25 pm

Gyro

2006-12-19T12:12:27+01:00

Does anyone know where to find ICS PC software to download?
I have checked the website, but the component is not found.
Thank you.

ryann2k1

Statistics: Posted by ryann2k1 — Tue Dec 19, 2006 12:12 pm

KRG-2 Gyro Stabilizer

2006-07-22T20:49:47+01:00

hey Meltdown
i checked my channels, and i had connected them correctly as the original non english document shows.
i was able to access the gyro's other channel only if i remove power- turn switch on with no power.
reconnect power
after this iama ble to access one channel.
i have to do the same to access diff channel.

i managed to set them ol up using method.

Statistics: Posted by onesandzeros — Sat Jul 22, 2006 8:49 pm

KRG-2 Gyro Stabilizer

2006-07-21T22:16:56+01:00

Beware.
The picture of the i/o assignments of the english pdf translation on this site of the KRG-2 is wrong!
I.e the servos and rcb connections on the KRG2 are wrongly documented in thes pdf file.

It is NOT channel 1: Input/output ----- Channel 2: output/input!
Channel 1 is correct but channel 2 is not.

The proper i/o assignment should read:
Channel 1 Input/output -----Channel2 Input/output.
Notice the channel 2 connections are reversed now.

I think that you've got your i/o asignments wrong Onesandzeros.

Statistics: Posted by Meltdown — Fri Jul 21, 2006 10:16 pm

KRG-2 Gyro Stabilizer

2006-07-21T22:13:26+01:00

it appears iam only able to access channel 22
i can not seem to gain access to other 3 channels.
iam using the usb version, set to com 3
com setting goes thru successfully, but when i try to pull info of gyro for that channel, it doesnt work, it also doesnt work to write to the gyro

Statistics: Posted by onesandzeros — Fri Jul 21, 2006 10:13 pm

KRG-2 Gyro Stabilizer

2006-07-21T05:10:20+01:00

is there a secret to accessing the gyros?
i have tried version 1.0 and 1.1 of gyro manager, and i keep getting the red sign when i try retreave gyro settings or write.

I manily wanted to reverse channel 16 to compensate.
i read this thread over and over to see if i miss anything, but my results are the same.
thanks for any help

Statistics: Posted by onesandzeros — Fri Jul 21, 2006 5:10 am

KRG-2 Gyro Stabilizer

2006-06-22T20:08:56+01:00

finished and working great
Two little pcb's which can be stacked onto the pins of the gyros where the servos and rcb1 connections normally go.
A switch determines if you are in gyro mode or programming mode.
It may be possible to go commercial with this if enough people want it.
When i get home (about a week or so) i will post a picture.

Statistics: Posted by Meltdown — Thu Jun 22, 2006 8:08 pm

KRG-2 Gyro Stabilizer

2006-06-22T06:52:29+01:00

hey Meltdown
How is the progress on keeping the gyros connected while in teach mode.

Statistics: Posted by onesandzeros — Thu Jun 22, 2006 6:52 am

KRG-2 Gyro Stabilizer

2005-08-01T12:29:18+01:00

for side to side stablilization I have mine set so the outside edge of the outside foot turns down in the direction of rotation. so if I push the robot from the left, the outside of the right foot moves down slightly. the left foot inside edge moves down slightly as well, but not as much due to the geometry of the foot. I have been wondering if it would be better for the left foot to remain stationary and i wonder if the internal gain settings of the gyro allow you to bias the response for one direction of rotation. My battery never stays charged long enough to do the testing.

Oh, an a note on oscillations and resonance: my robot now flaps his arms as fast as a hummingbird. I had assumed this was the gyros but i removed them completely and he still flaps his wings! it is the servo's own internal feedback. the conditions is getting worse and makes my robot horribly unstable. I am starting another post about it.

Statistics: Posted by se7en — Mon Aug 01, 2005 12:29 pm

KRG-2 Gyro Stabilizer

2005-07-25T12:09:44+01:00

Oh i'm working on a way to bypass the gyros in teaching mode.
So that you won't have to pull the cables anymore.
I figured it out but i'm looking for micro components so it won't be to bulky.

Statistics: Posted by Meltdown — Mon Jul 25, 2005 12:09 pm

KRG-2 Gyro Stabilizer

2005-07-25T11:56:08+01:00

So it's good you bought the configuring cable as wel
I'm struggling with the settings myself. And boy do i know about the oscillation
It seems that to much gain will result in oscillation.

I'm not clear about one thing:
Do both the feet have to turn in the same direction (opposite to the gyros axes off-course)
Or do they have to turn opposite from each-other?
Illogical as it sounds but at one point i had them turn opposite and it seemed that the robot stabilized instantly that way without any oscillation at any gain.

I wrote to Kondo about providing some decent English documentation for all their software but as expected they never responded.
Kondo is seriously lacking in this department.
This is where Hitec will have an advantage when they launch their robot.
English documentation won't be a problem for them.

What we need is a Japanese user of this forum willing to translate the documents. Anyone?

Statistics: Posted by Meltdown — Mon Jul 25, 2005 11:56 am

KRG-2 Gyro Stabilizer

2005-07-24T15:22:26+01:00

That's good to know, thanks meltdown! Do you have any information on the settings inside the gyro manager? The Gyro has an external gain adjustment using a screwdriver. It also has 3 different gain adjustments, a limit slider, and a digital filter on/off , all of which are adjustable in the software. I don't think I can count on getting the translation I mentioned above, so anybody please post what you know.

Another note on the gyros performance. They really work well once I changed some settings. The main problem was they were all compensating in the wrong direction! I installed them just like the instructions showed. Each gyro had reversing set to "on" for both channels which I didn't expect out of the box. Reversing one and physically inverting the other made the robot super stable. While testing, it was really hard to see what direction the feet moved for a certain input. The solution was to hold the gyro in my fingers and turn it instead of the whole robot. This allowed me to immediately see what it did to the feet and identify the reversing needs.

Statistics: Posted by se7en — Sun Jul 24, 2005 3:22 pm