Home built wirless IP Executor

Discussions regarding building a walking robot at home. Most of the robots participating at Robo-One competitions are custom fabricated.
28 postsPage 2 of 21, 2
28 postsPage 2 of 21, 2

Post by toandl » Fri Jun 13, 2008 4:15 pm

Post by toandl
Fri Jun 13, 2008 4:15 pm

Thanks StuartL's suggestion.

Wheel unit is a good idea. It should be good enough to used in home.

I am thinking about use stepping motor to replace servo because stepping motor can give higher torque and cheaper. Fit a wheel on stepping motor can make it move easy and accurate. But seems stepping motor controller with RS232/I2C/SPI interface is quite expensive and normally only support 1 or 2 channel. Consider the power supply, all the components become more expensive.

The current system is controlled via internet, so the network condition affect it. Once there is command packet lost or wireless signal jamming, the unit will lost control for a while. For example, if it is running as RC car and suddenly there is a stop command lost in the internet, the car will rush out of control. Servo or stepping motor can avoid this problem. Once there is network packet lost or wireless signal jam, it can stay still without any motion and wait for the next command.

I am fresh guy in RC, welcome and open to any comments and advice.
Thanks StuartL's suggestion.

Wheel unit is a good idea. It should be good enough to used in home.

I am thinking about use stepping motor to replace servo because stepping motor can give higher torque and cheaper. Fit a wheel on stepping motor can make it move easy and accurate. But seems stepping motor controller with RS232/I2C/SPI interface is quite expensive and normally only support 1 or 2 channel. Consider the power supply, all the components become more expensive.

The current system is controlled via internet, so the network condition affect it. Once there is command packet lost or wireless signal jamming, the unit will lost control for a while. For example, if it is running as RC car and suddenly there is a stop command lost in the internet, the car will rush out of control. Servo or stepping motor can avoid this problem. Once there is network packet lost or wireless signal jam, it can stay still without any motion and wait for the next command.

I am fresh guy in RC, welcome and open to any comments and advice.
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Post by toandl » Fri Jun 13, 2008 4:23 pm

Post by toandl
Fri Jun 13, 2008 4:23 pm

By the way, after saw my wooden frame. Mr. Wang gave me some advice and helped me designed and made some brackets. The brackets looks like this:

Image

After finished other parts, Mr Wang will post those brackets to me and I will fit onto current executor unit.

I want to build different style executors. But because of my budget, I can only focus on one unit now. In order to support multiple executors and control them together, the software are all designed and implemented as accept multiple executor working together.
By the way, after saw my wooden frame. Mr. Wang gave me some advice and helped me designed and made some brackets. The brackets looks like this:

Image

After finished other parts, Mr Wang will post those brackets to me and I will fit onto current executor unit.

I want to build different style executors. But because of my budget, I can only focus on one unit now. In order to support multiple executors and control them together, the software are all designed and implemented as accept multiple executor working together.
Last edited by toandl on Thu Sep 04, 2008 1:24 pm, edited 1 time in total.
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Post by toandl » Tue Jun 17, 2008 2:59 am

Post by toandl
Tue Jun 17, 2008 2:59 am

Latest software package have been released at:

http://sourceforge.net/projects/dm-qcif-codc/

or SFIPExe topic of

http://dhcodec.quikstream.com.au/

Because of H.264/AVC license issue, I can only release less than 12 minutes processing. Have to restart it after the time bomb.

These days I am quite busy on my full time jobs, not much time allows me to write out a detailed document.

Once I got time, will write a document about information:

1. what are the components need to build your own style executor
2. how to connect hardware
3. how to use the software


current package is mainly focus on human control interface. For computing network cell controlling, I am still working on the structure design and coding.
First step, it will more depend on images without audio. I am also thinking about fit it on with more senors.

If anybody got good idea and suggestions, welcome.
Latest software package have been released at:

http://sourceforge.net/projects/dm-qcif-codc/

or SFIPExe topic of

http://dhcodec.quikstream.com.au/

Because of H.264/AVC license issue, I can only release less than 12 minutes processing. Have to restart it after the time bomb.

These days I am quite busy on my full time jobs, not much time allows me to write out a detailed document.

Once I got time, will write a document about information:

1. what are the components need to build your own style executor
2. how to connect hardware
3. how to use the software


current package is mainly focus on human control interface. For computing network cell controlling, I am still working on the structure design and coding.
First step, it will more depend on images without audio. I am also thinking about fit it on with more senors.

If anybody got good idea and suggestions, welcome.
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Post by cyberdead » Sat Jun 21, 2008 10:54 pm

Post by cyberdead
Sat Jun 21, 2008 10:54 pm

Wow, dude!
This is a real fantastic robot. How long did it take to design and build it?
Wow, dude!
This is a real fantastic robot. How long did it take to design and build it?
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Post by toandl » Sun Jul 20, 2008 9:10 am

Post by toandl
Sun Jul 20, 2008 9:10 am

Replaced some metal accessories.

Latest Video:

http://www.youtube.com/v/StmhVhHNmN4


phpBB [media]



Just finished the joystick controlling software module.

Now the executor can be controlled by joystick in server side.

Actions response to buttons are written as script in file and can be dynamic load in run-time.
Replaced some metal accessories.

Latest Video:

http://www.youtube.com/v/StmhVhHNmN4


phpBB [media]



Just finished the joystick controlling software module.

Now the executor can be controlled by joystick in server side.

Actions response to buttons are written as script in file and can be dynamic load in run-time.
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Post by toandl » Tue Jul 22, 2008 5:11 am

Post by toandl
Tue Jul 22, 2008 5:11 am

cyberdead wrote:Wow, dude!
This is a real fantastic robot. How long did it take to design and build it?



Hi cyberdead,

It's difficulty to say how long it took to design and build it. I take this as hobby, not full time work on it. When I have some time, I will do some change on it.

For software, there are several months spent on get familiar with AVC/H.264, implement on PC and DSP, optimise it. After that, build up the system, then come to mechanical.

The coming years, I will seek hardware parnter who is willing to design a new hardware based on the current DSP with more functions, make better mechanical structure, make the software more functions and more friendly interface.

Every month, I use a little money as my budget to buy things. It's small money that can not afford too expensive stuff. I am trying to use these limited money to make it better looking and better performance.
cyberdead wrote:Wow, dude!
This is a real fantastic robot. How long did it take to design and build it?



Hi cyberdead,

It's difficulty to say how long it took to design and build it. I take this as hobby, not full time work on it. When I have some time, I will do some change on it.

For software, there are several months spent on get familiar with AVC/H.264, implement on PC and DSP, optimise it. After that, build up the system, then come to mechanical.

The coming years, I will seek hardware parnter who is willing to design a new hardware based on the current DSP with more functions, make better mechanical structure, make the software more functions and more friendly interface.

Every month, I use a little money as my budget to buy things. It's small money that can not afford too expensive stuff. I am trying to use these limited money to make it better looking and better performance.
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Post by toandl » Tue Aug 26, 2008 1:06 am

Post by toandl
Tue Aug 26, 2008 1:06 am

Latest video :

http://www.youtube.com/v/sj6NVbr_JvM

The moving speed is controlled by joystick.

I re-build the software architecture for controller, pack it as "dll" format.

Have not mount up the camera and speaker yet.
Latest video :

http://www.youtube.com/v/sj6NVbr_JvM

The moving speed is controlled by joystick.

I re-build the software architecture for controller, pack it as "dll" format.

Have not mount up the camera and speaker yet.
toandl offline
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Post by toandl » Thu Sep 04, 2008 1:31 pm

Post by toandl
Thu Sep 04, 2008 1:31 pm

Setup a new website:

http://www.smallfishdev.com
Setup a new website:

http://www.smallfishdev.com
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Post by toandl » Tue Sep 16, 2008 2:41 am

Post by toandl
Tue Sep 16, 2008 2:41 am

I made this 6 feet executor, and fit the controller module on it.

Sorry, it looks ugly and move very slow.



I will change it later.



The controller side use a loptop, access wireless lan, and controll the executor by IP address.

The executor can be accessed via internet from worldwide. You can saw what it saw and you can hear what it heard, it can speak what you want to speak.



Currently, I am saving money to buy some senors. These months spent savings to buy some materials and tools.



Below links just shows how it was controlled.



Come with the video.



Here is the third person view from a side camera.

http://www.youtube.com/watch?v=VyNVWeHsnl0

phpBB [media]








Here is the view from controller side.

http://www.youtube.com/watch?v=ahq07pcaeik

phpBB [media]









Images are here:


Image


Image
I made this 6 feet executor, and fit the controller module on it.

Sorry, it looks ugly and move very slow.



I will change it later.



The controller side use a loptop, access wireless lan, and controll the executor by IP address.

The executor can be accessed via internet from worldwide. You can saw what it saw and you can hear what it heard, it can speak what you want to speak.



Currently, I am saving money to buy some senors. These months spent savings to buy some materials and tools.



Below links just shows how it was controlled.



Come with the video.



Here is the third person view from a side camera.

http://www.youtube.com/watch?v=VyNVWeHsnl0

phpBB [media]








Here is the view from controller side.

http://www.youtube.com/watch?v=ahq07pcaeik

phpBB [media]









Images are here:


Image


Image
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Post by toandl » Thu Sep 18, 2008 2:42 am

Post by toandl
Thu Sep 18, 2008 2:42 am

Image

Image

Image
Image

Image

Image
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Post by toandl » Sun Sep 21, 2008 4:03 pm

Post by toandl
Sun Sep 21, 2008 4:03 pm

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Post by toandl » Thu Oct 02, 2008 2:46 am

Post by toandl
Thu Oct 02, 2008 2:46 am

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Brass air fittings

Post by PPP000 » Sat Jan 10, 2009 1:57 am

Post by PPP000
Sat Jan 10, 2009 1:57 am

Now that is a lot of brass air fittings http://www.liangdianup.com/subpages/airfitting_1.htm there is just about every type
of air fitting that you could want. Wholesale prices too. I guess these could be used as small water pipe fitting also. I
used some of the parts to make my babington wvo bu
Now that is a lot of brass air fittings http://www.liangdianup.com/subpages/airfitting_1.htm there is just about every type
of air fitting that you could want. Wholesale prices too. I guess these could be used as small water pipe fitting also. I
used some of the parts to make my babington wvo bu
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