Re: [Machinekit] world mode in machienkit

2017-08-30 Thread Charles Steinkuehler
Check your CPU load and the time spent in each HAL module (it shows up
as a HAL signal).  I'm not sure the BBB has enough FPU performance to
handle some of the non-trivial kinematics setups.  You may need to
craft a higher performance solution based on your specific machine or
migrate to a more powerful platform (X15 or maybe an x86).

All the work I've done with "serious" non-trivial kinematics (ie:
genserkins vs. something like a delta-arm 3D printer) has been on an
x86, which has *LOTS* more CPU power than a BBB.

On 8/28/2017 9:15 PM, thangle wrote:
> i just have one more question, why everytime i change to world mode in 
> puma560 sim to jog or use MDI, the BBB become very lag and freeze.
> 
> Vào 18:25:48 UTC+7 Thứ Bảy, ngày 26 tháng 8 năm 2017, Charles Steinkuehler 
> đã viết:
>>
>> On 8/26/2017 12:20 AM, thangle wrote: 
>>> thank for answers, they are really helpful 
>>>
>>> Vào 03:20:16 UTC+7 Thứ Bảy, ngày 26 tháng 8 năm 2017, Charles 
>> Steinkuehler 
>>> đã viết: 

 On 8/24/2017 9:28 PM, thangle wrote: 
> I have some problems when i try configuring custom arm robot 6DOF. 
>> hope 
> someone can help me resolve these. 
>
> 1st. i run PUMA560 sim but i cant open "world mode" from AXIS GUI. 
> everytime i turn it on by "Alt+M" it return joint mode. if anyway to 
>> use 
> "world mode" in manual control 


>>> what should i do after home all joints, do i need to change somethings 
>> in 
>>> .hal file? I dont have a real machine yet, just beaglebone black but i 
>> want 
>>> to simulator them first 
>>
>> IIRC, after executing "home all", the Axis GUI will switch to world 
>> mode automatically.  If it doesn't, there is a  menu item to toggle 
>> between joint and world mode. 
>>
>> -- 
>> Charles Steinkuehler 
>> cha...@steinkuehler.net  
>>
> 


-- 
Charles Steinkuehler
char...@steinkuehler.net

-- 
website: http://www.machinekit.io blog: http://blog.machinekit.io github: 
https://github.com/machinekit
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Re: [Machinekit] world mode in machienkit

2017-08-28 Thread thangle
i just have one more question, why everytime i change to world mode in 
puma560 sim to jog or use MDI, the BBB become very lag and freeze.

Vào 18:25:48 UTC+7 Thứ Bảy, ngày 26 tháng 8 năm 2017, Charles Steinkuehler 
đã viết:
>
> On 8/26/2017 12:20 AM, thangle wrote: 
> > thank for answers, they are really helpful 
> > 
> > Vào 03:20:16 UTC+7 Thứ Bảy, ngày 26 tháng 8 năm 2017, Charles 
> Steinkuehler 
> > đã viết: 
> >> 
> >> On 8/24/2017 9:28 PM, thangle wrote: 
> >>> I have some problems when i try configuring custom arm robot 6DOF. 
> hope 
> >>> someone can help me resolve these. 
> >>> 
> >>> 1st. i run PUMA560 sim but i cant open "world mode" from AXIS GUI. 
> >>> everytime i turn it on by "Alt+M" it return joint mode. if anyway to 
> use 
> >>> "world mode" in manual control 
> >> 
> >> 
> > what should i do after home all joints, do i need to change somethings 
> in 
> > .hal file? I dont have a real machine yet, just beaglebone black but i 
> want 
> > to simulator them first 
>
> IIRC, after executing "home all", the Axis GUI will switch to world 
> mode automatically.  If it doesn't, there is a  menu item to toggle 
> between joint and world mode. 
>
> -- 
> Charles Steinkuehler 
> cha...@steinkuehler.net  
>

-- 
website: http://www.machinekit.io blog: http://blog.machinekit.io github: 
https://github.com/machinekit
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Re: [Machinekit] world mode in machienkit

2017-08-26 Thread thangle
i found that, thank for your help

Vào 18:25:48 UTC+7 Thứ Bảy, ngày 26 tháng 8 năm 2017, Charles Steinkuehler 
đã viết:
>
> On 8/26/2017 12:20 AM, thangle wrote: 
> > thank for answers, they are really helpful 
> > 
> > Vào 03:20:16 UTC+7 Thứ Bảy, ngày 26 tháng 8 năm 2017, Charles 
> Steinkuehler 
> > đã viết: 
> >> 
> >> On 8/24/2017 9:28 PM, thangle wrote: 
> >>> I have some problems when i try configuring custom arm robot 6DOF. 
> hope 
> >>> someone can help me resolve these. 
> >>> 
> >>> 1st. i run PUMA560 sim but i cant open "world mode" from AXIS GUI. 
> >>> everytime i turn it on by "Alt+M" it return joint mode. if anyway to 
> use 
> >>> "world mode" in manual control 
> >> 
> >> 
> > what should i do after home all joints, do i need to change somethings 
> in 
> > .hal file? I dont have a real machine yet, just beaglebone black but i 
> want 
> > to simulator them first 
>
> IIRC, after executing "home all", the Axis GUI will switch to world 
> mode automatically.  If it doesn't, there is a  menu item to toggle 
> between joint and world mode. 
>
> -- 
> Charles Steinkuehler 
> cha...@steinkuehler.net  
>

-- 
website: http://www.machinekit.io blog: http://blog.machinekit.io github: 
https://github.com/machinekit
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Re: [Machinekit] world mode in machienkit

2017-08-26 Thread Charles Steinkuehler
On 8/26/2017 12:20 AM, thangle wrote:
> thank for answers, they are really helpful
> 
> Vào 03:20:16 UTC+7 Thứ Bảy, ngày 26 tháng 8 năm 2017, Charles Steinkuehler 
> đã viết:
>>
>> On 8/24/2017 9:28 PM, thangle wrote: 
>>> I have some problems when i try configuring custom arm robot 6DOF. hope 
>>> someone can help me resolve these. 
>>>
>>> 1st. i run PUMA560 sim but i cant open "world mode" from AXIS GUI. 
>>> everytime i turn it on by "Alt+M" it return joint mode. if anyway to use 
>>> "world mode" in manual control 
>>
>>
> what should i do after home all joints, do i need to change somethings in 
> .hal file? I dont have a real machine yet, just beaglebone black but i want 
> to simulator them first

IIRC, after executing "home all", the Axis GUI will switch to world
mode automatically.  If it doesn't, there is a  menu item to toggle
between joint and world mode.

-- 
Charles Steinkuehler
char...@steinkuehler.net

-- 
website: http://www.machinekit.io blog: http://blog.machinekit.io github: 
https://github.com/machinekit
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Re: [Machinekit] world mode in machienkit

2017-08-25 Thread thangle
thank for answers, they are really helpful

Vào 03:20:16 UTC+7 Thứ Bảy, ngày 26 tháng 8 năm 2017, Charles Steinkuehler 
đã viết:
>
> On 8/24/2017 9:28 PM, thangle wrote: 
> > I have some problems when i try configuring custom arm robot 6DOF. hope 
> > someone can help me resolve these. 
> > 
> > 1st. i run PUMA560 sim but i cant open "world mode" from AXIS GUI. 
> > everytime i turn it on by "Alt+M" it return joint mode. if anyway to use 
> > "world mode" in manual control 
>
>
what should i do after home all joints, do i need to change somethings in 
.hal file? I dont have a real machine yet, just beaglebone black but i want 
to simulator them first
  

> You have to home all the joints and get the machine to a known 
> position before you can switch from joint mode to world mode.


 

>
>
> > 2nd: i used genserkins to configure a new custom arm robot and compare 
> to 
> > the one i configure in matlab. They are difference about coordinate, 
> look 
> > like the origin coordinate was rotated. i think the one from genserkins 
> is 
> > incorrect 
>
>  
yes it worked correct after i had modified  DH parameter
 

> Note that the genserkins module uses "modified" DH parameters and 
> likely does not match your matlab simulation: 
>
>
> https://github.com/machinekit/machinekit/blob/master/src/emc/kinematics/genserkins.c#L20-L25
>  
>
>
> https://en.wikipedia.org/wiki/Denavit%E2%80%93Hartenberg_parameters#Modified_DH_parameters
>  
>
> -- 
> Charles Steinkuehler 
> cha...@steinkuehler.net  
>

-- 
website: http://www.machinekit.io blog: http://blog.machinekit.io github: 
https://github.com/machinekit
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Re: [Machinekit] world mode in machienkit

2017-08-25 Thread Charles Steinkuehler
On 8/24/2017 9:28 PM, thangle wrote:
> I have some problems when i try configuring custom arm robot 6DOF. hope 
> someone can help me resolve these.
> 
> 1st. i run PUMA560 sim but i cant open "world mode" from AXIS GUI. 
> everytime i turn it on by "Alt+M" it return joint mode. if anyway to use 
> "world mode" in manual control

You have to home all the joints and get the machine to a known
position before you can switch from joint mode to world mode.

> 2nd: i used genserkins to configure a new custom arm robot and compare to 
> the one i configure in matlab. They are difference about coordinate, look 
> like the origin coordinate was rotated. i think the one from genserkins is 
> incorrect

Note that the genserkins module uses "modified" DH parameters and
likely does not match your matlab simulation:

https://github.com/machinekit/machinekit/blob/master/src/emc/kinematics/genserkins.c#L20-L25

https://en.wikipedia.org/wiki/Denavit%E2%80%93Hartenberg_parameters#Modified_DH_parameters

-- 
Charles Steinkuehler
char...@steinkuehler.net

-- 
website: http://www.machinekit.io blog: http://blog.machinekit.io github: 
https://github.com/machinekit
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[Machinekit] world mode in machienkit

2017-08-24 Thread thangle
I have some problems when i try configuring custom arm robot 6DOF. hope 
someone can help me resolve these.

1st. i run PUMA560 sim but i cant open "world mode" from AXIS GUI. 
everytime i turn it on by "Alt+M" it return joint mode. if anyway to use 
"world mode" in manual control

2nd: i used genserkins to configure a new custom arm robot and compare to 
the one i configure in matlab. They are difference about coordinate, look 
like the origin coordinate was rotated. i think the one from genserkins is 
incorrect

-- 
website: http://www.machinekit.io blog: http://blog.machinekit.io github: 
https://github.com/machinekit
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