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Software / Pi Robot using OpenCV
« Last post by keithbrown on January 04, 2017, 03:04:18 PM »
Hello world!

This is my first post! Glad to be a part of the community.

I'll get right to it; I'm trying to build a robot that does quite a bit of AI using image manipulation and object recognition. I'm starting with a Raspberry Pi 3, and have, so far, implemented a node server where it displays facial recognition and detection using a webcam and opencv.

I would like to experiment with voice commands, conversational speech and audible cues. I would like to do it in node, but this is where I'm asking for help. I dont know where to start - all the tutorials that I come across have primitive keyboard interfaces (cmd+c) to stop listening and what not...

Is it possible to setup an interface where i can simply say "robot, what was the score of last nights game?" using Google (or something) and not have to wait for a listening cue - or better yet - not have to say a trigger word "robot", and just use an audible proximity - have the robot detect if I'm talking to it using some sort of dopler range/ direction detection.

Ultimately, I would like to use a combination of these technologies to trigger image detection, processing and the associated AI in correlation with a cloud based javascript API.

I know it was a lot for a first post, but any help would be greatly appreciated.

I've scoured Pi forums and OpenCV forums  - "You're our only Hope!"

Misc / [Tech Tip] Understanding Servo Gearbox Rotation
« Last post by ServoCity on January 04, 2017, 11:52:18 AM »
Check out our latest Tech Tip discussing Servo Gearbox Rotation
Mechanics and Construction / Robotics solutions in construction of buildings
« Last post by semaco on December 30, 2016, 07:19:20 AM »
Could you please give me any links to robotics solutions which one can use in construction of buildings?
I am interested in all technologies, concerning construction of buildings, for example, bricklaying, plasterer or 3d printing and many other, even developing technologies, which are now at the stage of prototype.
If you know better place where I can ask for such information I also would be grateful.
Thank you.
Misc / RTK on the road
« Last post by Tersus GNSS on December 20, 2016, 12:15:16 AM »
Electronics / Re: Motor Controller Configuration
« Last post by hadiesper on December 16, 2016, 01:57:28 PM »
I am not very knowledgeable about ethercat but I could speculate that the code to manage/run such a system would be relatively simple (measure -> formulate -> actuate). Feedback signals from encoders are also easy to read so I don't see why you can use a simple controller and a custom electronics circuit to drive the motors. This is the only way to keep the size to an absolute minimum.

I would also think that the power requirements below are not realistic, you should typically use much much lower wattage system that has an incredibly high gear ratio to give you the torque you need. Otherwise your power bank and electronics power handling requirements would be unrealistic.
Misc / Hello Robot Community
« Last post by hadiesper on December 16, 2016, 01:36:49 PM »
Hi Everyone, so I have been looking for a robot community for a while now where I can share ideas, display my work. I am happy to land on this site which seems to be more general as opposed to a forum specific to an online shop.

Here is a little bit about myself. I am a robot enthusiast who lives in Dubai. My full time job is in the home automation field and I build robots as a hobby for the past 2 years. So far I have built 2 robots the first one was poppy which is open source and the second one I am building is a completely new 3-D printed 145cm tall robot humanoid which is designed from scratch. I am working on literally everything from the Ai, electronics, motorizations, mechanical systems, vision, speech...etc.

In my side of town, interest and knowledge about robotics is not very common so I aim to share my work and ideas here and perhaps create friendships or partners who I can work or exchange information with.

Misc / Re: Definition of robot?
« Last post by hadiesper on December 16, 2016, 01:28:26 PM »
I like the information you have on your website. I suppose I'm a sense the term robot is an extremely general term. I would say you can a program or machine a robot if it has the capability to make decisions or run tasks independent of human intervention or in a way a robot is a machine that displays autonomy.
Misc / Re: What would your ideal robot look like? or what should it do?
« Last post by hadiesper on December 16, 2016, 01:22:25 PM »
Hi ropola. I agree with you a robot should look like a robot. I think above all the robot should be functional. It's one thing to have a robot that can reply to voice commands in a controlled environment but it's a whole different concept if the robot can operate around the average non-technical person.

I am building a robot now for fun, in an advanced stage in building the prototype  and I have designed him with a specific function to engage in a basic convo, provide some useful info (similar to what current digital assistants do), and also be able to display emotion and make eye contact.

I also think that instead of making a robot that will solve complex problems like opening a fridge and grabbing a bottle, pouring a drink. Instead the whole concept of a bar or a kitchen should be redesigned around a robot. For example, a robot can take a speech command and send an automation message to a robotic bar which will mix and dispense your drink, then the robot can navigate to a specific location and grab the drink in a predefined fashion. Technically you achieve the same result but the problem becomes much simpler from a mechanical and Ai perspective.

What kind of applications are you building?
Software / Re: Cmake configuration issue
« Last post by walid1544 on December 15, 2016, 11:40:22 AM »
so here im trying to build a combination of model predictive control algorithm, i do have the fortran installed on my code blocks as i'm using the latter to configure my make file, i'm a bit new to this field, is that all of the information you need ? i will attach the log file aswell hopefully it helps ,thnx a lot for ur concern sir, have a good one.
Robot Videos / ALTAIR Robot meets Amazons Alexa
« Last post by Toymaker on December 14, 2016, 03:04:47 AM »
I have just done a very quick (and hopefully fun) video to show the Amazon Alexa interacting with our ALTAIR EZ:1 robot

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