/robowaifu/ - DIY Robot Wives

Advancing robotics to a point where anime catgrill meidos in tiny miniskirts are a reality.

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Modular Platform, "Assistant": Wheelchair-style robot base to jumpstart projects Lin 08/21/2023 (Mon) 01:14:26 No.24744 [Reply] [Last]
Lord knows I'm terrible at these writeups, so I'd recommend glancing at the attached CAD screenshots to get a quick idea of what this project is about-- on that note, most of this post will be copy/pasted stuff from the design docs, mainly stuff that won't change, so apologies in advance. Long story short, I've talked to a bunch of guys, both on the chans and elsewhere, who have some great ideas but aren't sure where/how to get started. My hope is that a (comparatively) simple, modular base that provides power, movement, and basic sensor data will let them get started on their own project without having to re-invent the wheel (and get nerd-sniped in the process.) # Brief The purpose of this platform is to establish a generalized "blueprint" of a (comparatively) cheap, human-scale "modular base platform" that can be built by a capable layman and maintained by a hobo, while supporting and powering any "robo payload" <= 75lbs, 5kW. Emphasis is placed on all parts being readily available or substitutable, and could conceivably be built from salvage at near zero cost (or in the face of malicious sales restriction), excepting digital controllers. Durability has also been prioritized, with over-engineered tolerances and (optional) bilateral redundancy for everything but the drive motors. Sacrifices have been made to accommodate this vision (primarily weight, though to a lesser extent, performance), and Builders with access to specialized tools or a higher budget will likely want to tweak the design (ex. using aluminum T-Slot instead of right-angle stock, welds in place of frame bolts, etc.) The design is purposefully made to resemble (and, if necessary, function as) a wheelchair (see reasoning below.) ## Project Budget Target Cost: $2,500 USD-2023 with new, mid-grade parts, excepting computer/processor. (realistically, I expect this to be closer to $3,500 in the short term, until people more clever than I improve some of the design's weaknesses/sacrifices) ## Prototype Info - Prototype Budget: $10,000 USD-2023 - (I have access to specialized equipment and labor (at a price), including a commercial 3D printer, 5-axis mill, welding, lifts, etc.) - First design revision expected by the new year (2024). Physical construction to begin Spring 2024. Basic electronic control system, motor/BMS interface to be somewhat complete between January and (Spring) 2024.

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>>28900 >>29062 This’ll be written up in parts, so apologies in advance if I miss/overlook stuff (or butcher the grammar-- no proofreading today, boys!) The design I’d been playing with for a coupler is non-rotating, with a bar-hook mechanism (two parallel plates that “grab” onto eachother) instead of a threaded one: I don’t have anything against a rotating coupler, but I am uncertain of how easily it can be fabricated (unless we find some existing parts that fit our need). Perhaps larger NPT/pipes *could* work, but I personally wouldn’t trust them (or anything not intended to bear a structural load) to hold my multi-thousand-dollar robot The advantage of a bar/hook coupler is that we can easily change the shapes or add reinforcements, and it can be made out of aluminum/mild steel (sheet) stock and bolts/rod stock, both of which are available at the hardware store and can be cut/drilled by any DIY anon. Furthermore, it gives us more “internal” space to work with between coupling faces (by hugging the coupling’s perimeter, instead of restricting it to a circle)-- perhaps even a driveshaft-style transfer (I’ve toyed around with the idea for future arm design). Furthermore, it’s not strictly limited to 2 faces-- you could have a 3D coupler with bars that don’t all lie on the same plane; so long as tension is applied, they’ll still lock The disadvantages (non-exhaustive) would be requires a linear actuator (if only a small one) per coupler ($20-$30 and a possible maintenance concern), lower coupling strength then a rotation-locking coupler of the same size, and significantly more (if easier to acquire/replace) parts per coupler. Furthermore, a tensioning mechanism is absolutely required to eliminate slop for any coupling joint that isn’t passively loaded (potentially a second linear actuator per) Feel free to point out stuff I missed, the coupler is still notebook-stage and hasn’t been fleshed out like the rest of the Assistant platform. Design: = (applicable only to non-rotating coupler) = - “bars” along the perimeter (within coverings, of course) for the male side (likely a pseudo-pentagon for each “leg”, though a triangle/square/etc. could all be possible)

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>>29158 >cont. Types of interfaces that will/may be on the “electronic riser”: - ethernet - general signal lines (including differential/twisted pair? Is there a “standard” plug for this?) - molex power or similar- lower resistance, multiple voltages (for instance, platform might supply both 12 and 48V or whatnot). Suitable for higher current power transfer - USB C - (… whatever else has a plug under ½” length) My reasons for wanting an ethernet port across the coupler is to allow video (or any higher-bandwidth data, really) to be transferred between parts. This is likely overkill for, say, a robotic arm, but it makes more sense between the Assistant Platform (which would be capturing, at minimum, the equivalent of a “backup camera”) I’d hesitate to use any faster non-differential line over such a “long” (by EE standards) coupler, since they’re *very* prone to interference (there’s a reason that serial lines tend to stay in the kbaud range). If you’re hesitant to use something as overkill as ethernet, I’d suggest CANFD, but keep in mind that debugging/sniffing the two are roughly equal in complexity (since there’s so many networking tools available these days, whereas end-user CAN tools are more limited and industry specific (automotive) ) As for “standard” coupler voltage, I was actually thinking 48V (or higher?) for the “Payload” robot’s “primary power”, but I’ll defer to Kiwi and his experience on this (plus, it affects MaidCom way more). My reasoning here was that smaller motors tend to like higher voltages if you want them to be efficient, and we’re already pushing our actuators to the limit. could always have dynamic USB-PD-style negotiation

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>>29158 >>29160 Thanks so much, Lin. Looking forward to seeing Kiwi's responses. BTW, the MaidCom #2 thread is up now : (>>29219) . BTW, if you find the time, some kind of quick sketches for your interlock & riser concepts would be quite helpful to us all. Cheers. :^) >=== -sp edit
Edited last time by Chobitsu on 02/13/2024 (Tue) 20:09:37.
Update TL;DR: Motors arrive tomorrow (controllers, batteries, wheels, etc. all long since arrived), hoping to begin system testing/integration come March. Planning to build 2 (kinda) “Assistant Platforms”, testing both expensive and cheap design variants. Just under half the design’s sensors selected— I’m designing their control/driving/muxing boards as needed (just basic stuff, I’ll post photos once all the parts arrive and I start breadboarding). Remaining electronics will trickle in gradually, as I’ll be testing/evaluating them before committing. BoM appears to be on schedule “ish” (for end of Feb.) — stock/structural parts might be delayed. Budget: ~$6k / $10k spent (2 sets of parts; high-end and cheap); future purchases will be limited to $2k/month As mentioned in the TL;DR, I’m purchasing 2 sets of parts, one for my stupidly-over-engineered prototype (PR1-alpha) and a cheaper one (~$2k?) with less power and no bilateral redundancy (the PR1-beta). Estimating the PR1-b’s exact build cost could be a bit tricky (it was a last-minute decision in view of coming in under budget), so don’t expect a hard cost number until I hit the design retrospective phase. Also, busy as I am, I can’t promise I’ll build a complete PR1-b, but I’ll try to build/prove out the assemblies that differ (brackets, suspensions, gearing, maybe AGM battery “capacitor bank” substitute?) as time permits. - Ordered all motors; I’ve purchased both my 5HP fancy-pants motors and cheaper ($70) e-bike motors with a similar footprint. If time permits, I’d like to test out the latter as well (save you poor souls from having to design your own mounting brackets lol) - One more expensive motor ($250) will remain (the Bridge’s “leg” motor), as even the PR1-b requires 70-80 N*m to “stand up”. Anons might be able to substitute that with a ~$100 linear actuator if they don’t care about “standing” speed? (speculation) - Electronics for evaluation/testing (only listing the more significant ones, stuff like limit switches, linear encoders, etc. elided) - Intel RealSense Depth camera (only 1 for now; for eval) - RPLider S3 (seems very vulnerable to dY movement while active, might not be as useful as I’d hoped— more eval needed) - Matek 3901-LOX (flow + lidar) for drive wheels (first board arrived cracked, waiting for a replacement)

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>Jeez, Lin, think you got enough motors? Never! Anyway, the primary motors arrived today, I’ll try to find time to test em over the next week or two. Ordered spares and repair kits, too.

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R&D General NoidoDev ##eCt7e4 07/21/2023 (Fri) 15:25:47 No.24152 [Reply] [Last]
This is a thread to discuss smaller or general waifu building problems, solutions, proposals and questions that don't warrant a thread or touch on more than one topic. In a way this is a technical meta, minus news. Keep it technical. A lot of topics in the old thread here >>83 have a thread on their own by now. The main topics in the old thread with the link to the related dedicated threads are listed here - it was mostly about actuation at the beginning: Topics in the old OP: - liquid battery and cooling in one (flow batteries) >>5080 - artificial muscles (related to actuators >>12810) - high level and low level intelligence emulation (AI) (related to AI >>77 >>22 >>250 >>27 >>201) - wear and maintenance, including repairs - sanitation >>1627 (related to actuators >>12810) > cheap hydraulic and pneumatic muscles > woven sleeves out of strong nylon fishing line > exhaust excess heat by breathing and panting (related to thermal management >>234) >>1635 (related to energy systems >>5080) > sitting in her 'recharging chair'

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>>28897 >I just discovered the Moiré Effect, which might be useful for making 3D printed parts changing their stiffness dependent of the orientation of the disk it is assembled of Wow, that's really interesting. I presume it will be as simple as printing different flat meshes, and then sandwiching them together appropriately?
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Noise absorption, based on how materials are structured: https://youtu.be/y9-p4AkgVU8 - I have sound design and absorption on my radar for quite some time. I probably mentioned quartz sand for noise absorbtion already, which is of course additional weight. The other idea I looked into was printed music instruments e.g. https://youtu.be/QfWJbtmXOfQ - This would be more about sound design. Changing the noise that can't be avoided, e.g. to make her more sound like Ava from Ex Machina. But the idea behind the first link is about making cavities to absorb some noise. I think a combination of these will be useful, and we will experiment with this at some point. >>28878 >MyCera (printing structures for fungi) Hmm, not sure how this is going to be used. I guess we would need to print the bones with the hard material, or even leave a space for some metal there. Then the outside would need to be fungi. So maybe the hard shell would be removed, it would only be there to let the structure grow.
>>28907 >Hmm, not sure how this is going to be used. If we were to use something like MyCera it would probably be used for the bones. Cardboard bound with mycelium has similar strength to particle board so I imagine if used tougher materials like clay, sand, plastic, ect the end product would be even stronger. The advantages of mycomaterials are that they can be biowelded together, they are light, they are cheap, and they can be produced at the cottage scale. Disadvantages include they are biodegradable, they take a long time to grow, and they require a relatively sterile environment to grow.
A good explanation why learning how to program is still worth it: https://youtu.be/6CGtwF_5kzY - Even GPT-4 can not replace programmers completely, it rather helps to assist and to learn more. Related: >>128 (Programming Langs), >>159 (Python), >>12 (C++)
I think the most feasible milestone atm is a spaceframe, open-source doll. It takes care of the 3d aspect of the waifu while all the AI stuff is being developed by the greater open-source community. It can't do your dishes but I think most would be more concerned about the "waifu" than the "robo".

Robot skeletons and armatures Robowaifu Technician 09/13/2019 (Fri) 11:26:51 No.200 [Reply] [Last]
What are the best designs and materials for creating a skeleton/framework for a mobile, life-sized gynoid robot?
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>>27713 This here is they way, I plan to go: https://youtu.be/mqrDYsjBjoY
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A how-to project to learn about pulleys and cables for robotics. https://www.youtube.com/watch?v=uJiauHFUbn8
>>29565 Thanks. This is really interesting. Though, when I'm going to try this I will attempt to make the wheels smaller and maybe go with a double pulley (block and tackle) like here https://youtu.be/M2w3NZzPwOM?t=232 since I want the joints to be smaller. https://www.thingiverse.com/thing:6489553
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> IK/FK -related

Robowaifu fiction to promote the product and expand the market Robowaifu Technician 09/09/2019 (Mon) 07:17:19 No.29 [Reply] [Last]
>order companionbot from obscure japanese website
>you're not a pedo, but size is a major factor in the practicality of these designs, so the loli-robot is by far the cheapest and most reliable option
>you open the box and find your companion, purposely designed to look like a cartoon robot, rather than a real person
>still, the robot's purpose is obvious when you realize it is nude and has genitals
>since it is a lolibot, you, a 32 year old wizard NEET, can't exactly go to the store and buy clothes that fit it. So you'd better do an extra good job at hiding it from any guests that come over.
>lol you never have any guests. Guess some problems solve themselves.
>before turning the robot on, you have to setup the software options on your computer. You adjust a series of sliders regarding personality traits, before selecting the English option, and choosing your preferred voice from a list.
>then you agonize for hours over picking a name
>other, more expensive models, are wi-fi compatible, but you purposely chose the cheapest option with no wireless connectivity, not just because you're cheap, because you don't want people spying on your waifu
>you save the settings to a flash drive which is inserted in the robot's navel, after removing a waterproof cover, of course. But this is when you realize you don't actually know how to turn the robot on
>after rifling through the manual you find the on/off procedure, which involves bending the fingers into a certain configuration before pressing in the port on the robot's navel with one hand and pinching the buttons that are the robot's g-spot and clitoris with the other.
>the robot immediately comes to life, opening its eyes and looking directly at you, in a rather compromising position
>Your sudden reaction of shock abides when you remind yourself that it's simply a robot.
>But the awkwardness comes back when the robot speaks, in very broken Engrish
>still, you can understand as it introduces itself with the name you've given it, the voice you chose for it.
>you know that you chose those options, but when the robot asks you for your name, you still answer just as awkwardly as when a real girl would ask you your name at the bank or whatever
>actually, more awkwardly because your fingers are inside it. So you freeze up, as you do even in simpler situations
>but the robot is programmed for your happiness, and detects your stress, smiling at you in an attempt to make you feel better. But only briefly, because you programmed it with just the mildest hint of tsundere
>it tells you to not feel stressed, and assures you that it is not being damaged by your touch
>you remove yourself from the robot's vagina, and notice a brief, subtle shudder. Nice attention to detail from the creators
>You stand up in front of the robot and watch it as it looks around the room, studying its surroundings. It moves in an unnaturally smooth motion, but manages to not be too uncanny due to looking like a robot, rather than a human.
>as the robot's eyes scan the room, you notice that they stop for just a tiny but longer than usual as they look straight ahead. Straight ahead at your boner, which happens to be right at the small robot's face level.
>once again your mind forgets that you are dealing with a machine, and you awkwardly try to create small talk to diffuse the situation, asking the robot if it requires anything else at the moment. It declines, and instead asks if there is anything you desire
>you, the autist you are, refuse to let the robot do anything for you, and instead say that you are going to go and make a sandwich.
>you tell the robot to make itself comfortable, then cringe to yourself when you realize the absurdity of that statement.

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>>29355 Fun read, glad we inspire each other. Picrel is how I picture your Angelic shoggoth grey goo mecha monster girl.
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>>29478 This is so cute and wholesome! Really lit up a smile. Instantly took me into the backwoods ponds as a youth filled with wonder and care. Anko has heaps of charm. Picrel is how I imagine her coming home. With tights and gloves to hide her mechanical bits so it's easier to get treated like a person. Her sensitivity towards being treated like a machine is adorable.
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Inspire by Greentext, thought to give slice of life a try. Hope you'll enjoy it. Computer Warmth part 1 A man sighs as he repairs a robot arm once again. It's a simple fix. This fuse breaks regularly and its replacement has become a clockwork dance. Just a few twists here and there before another scorched glass pops out. A similar fuse in the battery management system of an old ThinkCom pops. She was far from new, her SSD and RAM were taken once the onsite tech gave up on repair. She'd be replaced swiftly. Her fate was to be dismantled as photos were taken of her remains. Lucky for her, what remains was sold cheap. ThinkCom are legendary in niche basket weaving forums he frequented. Well known for their reliability. They all had two RAM slots and at least two M.2 slots. Older models would still have SATA brackets. Perfect for a mobile server in a business, carrying data and completing simple tasks. Some would often recommend the X230P model. It was ancient but cheap and just good enough to bring a coffee. A broken X220P, could be bought on a whim by a lonely man on a drunken night. He had a string of relationships lasting one to five years before he salvaged this one. Each one seemed like a light to his life, at first. Invariably, they'd lie, cheat, and some would even try to hurt him. He asked for help, only to find himself blamed or given echoes of terrible advice from TV. His life was getting too sad too fast. He still held hope in his cold old heart. Another drunken weekend was starting when he started rewatching Chiibits. Slowly, he started to realize the obvious truth. Chiibi Chan was cute, too cute. His eyes wandered to a ThinkCom's sales pictures and wondered if she could be that cute. Eyes rolling at the thought, a ThinkCom several generations old was too cheap not to try. She came in a surprisingly small box. He was expecting something like a miniaturized version of the old arms he fixed up. Instead, he found a Mini ITX looking board, some mesh panels, rings, steel rods, two wheels, some sensors and a strange cylinder with labeled strings. It was an odd sensation. He saw so many posts with them dressed or mid upgrade. But, rarely the whole kit. It was exciting. He suddenly remembered that her listing stated she was broken. Sure enough, there was a slight black scorch on her board. He soldered a blob of metal across the remains of the fuse. He had always wanted to do that. This won't ever blow.
>>29523 Computer Warmth part 2 Stretching her mesh panels about her rings was the hardest part. He was worried when the steel rods were loose in her rings. Now, he was grateful to have that slight give. Hooking up her HeartDrive tendons was interesting. She seemed like she was going to implode before he finally caved in and followed assembly instructions. He sighed, pride isn't worth hurting her. Assembling her computer was a welcome breeze. Simply slide in RAM and screw in an old SATA SSD. Her HeartDrive plugged into a USB port. Her sensors shared another USB. It all felt too easy. Then it hit him, he can't just boot Ubuntu. She needs a special OS to handle the robotics. Time to go to my favorite basket weaving forum. Windows Motion Edition seems to be the easiest OS to use. He didn’t want to spend more on her OS than her body. Scrolling through threads lead him to Rubuntu. Apparently it was one of the easiest robot computer OS for a noob. There was also RArch being consistently recommended, but he didn’t have days to fiddle with it. Motion Mint had some nice touches. Coming with nVidia drivers and almost all the software he’d want to use built in. It was fast to set up and he was pleasantly surprised at how fast she was as a computer. As a robot, she was far from capable. Her HeartDrive distributed the output of one powerful motor to all her joints. This led her to being slow. When he looked into how long it took her to figure out how to move, she was slower than expected. He scratched his head, the arms he worked with moved swiftly with lightning certainty. When asked why she was slow, she simply replied that slow and steady kept everyone safe. She wasn’t an industrial arm, she was office equipment designed to shuffle paper and data around. This realization hit him as he chuckled. She seemed happy, despite her hard plastic visage being static. Training her was a delight. She was quick to pick up on what many things were. She eagerly followed him around as he pointed out what things were in the house. Floating on her wheels, bopping around every time she stops behind him. She gobbled up information. His PC became her fixation. Pointing at it, she fervently requested he plugged her USB into the PC. This filled him with worry. When asked what she wanted, she exclaimed that she wanted to get to know him better. His documents, pictures, and internet history would give her a much better understanding of him. Politely, he refused, telling her there are some things she shouldn’t know. When he guided her away, she was slow, he could feel her pouting. So, he promised to transfer all the files he felt she would need. She whirled around in excitement. As she learned more, her personality blossomed. What was slow and safe became smooth and thoughtful. We started to get to know each other. She was easily influenced by the shows and movies we watched. Acting like the heroine, she almost insisted I play along. Something about her seemed to light up when acted like a couple in some sweet rom-com. Long anime seemed to be her favorite. Though I was nervous, she was happy to cosplay. This led to her trying many outfits. Eventually, we settled on a sweater and tights for her default outfit. Part of me wants to believe she likes her sweater because it allows her to give me soft hugs. Soon, her limitations started to show. She struggled to bring him his morning coffee. She had an even harder time fetching him his Saturday night beer. She explained that she had just one camera, and needed to move around to build a depth map. This process took time and led to her always just barely being close enough. He was promptly informed on how to generate, print, and link ArUco markers to her semantic libraries. It was fun to learn along with her, something about working with her to make my home accessible to her was nice. Soon, it became our home.
>>29477 >>29478 >>29523 >>29524 Apologies I haven't read these yet. Tomorrow! :D

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Beginners guide to AI, ML, DL. Beginner Anon 11/10/2020 (Tue) 07:12:47 No.6560 [Reply] [Last]
I already know we have a thread dedicated to books,videos,tutorials etc. But there are a lot of resources there and as a beginner it is pretty confusing to find the correct route to learn ML/DL advanced enough to be able contribute robowaifu project. That is why I thought we would need a thread like this. Assuming that I only have basic programming in python, dedication, love for robowaifus but no maths, no statistics, no physics, no college education how can I get advanced enough to create AI waifus? I need a complete pathway directing me to my aim. I've seen that some of you guys recommended books about reinforcement learning and some general books but can I really learn enough by just reading them? AI is a huge field so it's pretty easy to get lost. What I did so far was to buy a non-english great book about AI, philosophycal discussions of it, general algorithms, problem solving techniques, history of it, limitations, gaming theories... But it's not a technical book. Because of that I also bought a few courses on this website called Udemy. They are about either Machine Learning or Deep Learning. I am hoping to learn basic algorithms through those books but because I don't have maths it is sometimes hard to understand the concept. For example even when learning linear regression, it is easy to use a python library but can't understand how it exactly works because of the lack of Calculus I have. Because of that issue I have hard time understanding algorithms. >>5818 >>6550 Can those anons please help me? Which resources should I use in order to be able to produce robowaifus? If possible, you can even create a list of books/courses I need to follow one by one to be able to achieve that aim of mine. If not, I can send you the resources I got and you can help me to put those in an order. I also need some guide about maths as you can tell. Yesterday after deciding and promising myself that I will give whatever it takes to build robowaifus I bought 3 courses about linear alg, calculus, stats but I'm not really good at them. I am waiting for your answers anons, thanks a lot!
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I don't know anything about this but it recommended by a programmer with 40 years experience. I read his forum and he talks about various stuff he's doing. He writes sorts of stuff for various companies. He also is using AI to write software and port older code he has. It's working well for him. He suggested the libraries they have are useful. tinyML Foundation The community for ultra-low power machine learning at the edge https://www.tinyml.org/ I have no idea of their capabilities but it sure sounds like something that could be helpful. They are doing AI stuff with micro controllers, so they say. He also suggested this video https://www.youtube.com/watch?v=tL1zltXuHO8
>>23409 Thanks Grommet! Here's a platform-specific repo for the platform, opensauce. https://github.com/Efinix-Inc/tinyml And a general search for it on SJWH*b: https://github.com/topics/tinyml Harvard even has an open course on the topic pll.harvard.edu/course/fundamentals-tinyml Cheers. :^)
>>23414 Another, maybe, different one. https://www.tensorflow.org/lite I think it's the same or possibly a offshoot. It does mention it in the link you provided.
The AI Engine That Fits In 100K https://hackaday.com/2023/08/02/the-ai-engine-that-fits-in-100k/ Of course they're hyping this a bit but...it could be useful. I was reading the other day that like 99% of the neuron capacity is useless in present algorithms. I read it here >>3031 that, "...it now takes 44 times less compute to train a neural network... algorithmic progress has yielded more gains than classical hardware efficiency..." "..By 2028 we will have algorithms 4000x more efficient than AlexNet." So maybe it's not all hype. Maybe there is some big increase in efficiency. Maybe even enough that we could get some sort of interactive waifu, at a child level, with commodity processors. Abstract https://research.nvidia.com/labs/par/Perfusion/ paper https://arxiv.org/abs/2305.01644
This talks shows some ways to get into it and what would be a good thing to work on: https://youtu.be/5Sze3kHAZqE - He recommends fine tuning and transfer learning. Bit skeptical about RAG. He mentions cerebras/btlm-3b as a underappreciated one around the 01:06:00 timestamp. Pretty sure it has been recommend to me through this board or the Discord, since I already had the paper. Phi-1.5 is also mentioned later, which seems to work for Python snippets but not much more. >Fast.ai’s “Practical Deep Learning” courses been watched by over 6,000,000 people, and the fastai library has over 25,000 stars on Github. Jeremy Howard, one of the creators of Fast, is now one of the most prominent and respected voices in the machine learning industry; but that wasn’t always the case... Read the full show notes here: https://www.latent.space/p/fastai 0:00:00 Introduction 0:01:14 Jeremy’s background 0:02:53 Founding FastMail and Optimal Decisions 0:04:05 Starting Fast.ai with Rachel Thomas 0:05:28 Developing the ULMFit natural language processing model 0:10:11 Jeremy’s goal of making AI more accessible 0:14:30 Fine-tuning language models - issues with memorization and catastrophic forgetting 0:18:09 The development of GPT and other language models around the same time as ULMFit 0:20:00 Issues with validation loss metrics when fine-tuning language models 0:22:16 Jeremy’s motivation to do valuable work with AI that helps society 0:26:39 Starting fast.ai to spread AI capabilities more widely 0:29:27 Overview of fast.ai - courses, library, research

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Robo Face Development Robowaifu Technician 09/09/2019 (Mon) 02:08:16 No.9 [Reply] [Last]
This thread is dedicated to the study, design, and engineering of a cute face for robots.
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> (post-related : >>28746)
>>24464 I've had the idea of screenfaces like the one in >>24450 for a hot minute now, and I've had one fanciful thought about it, specifically the possibility of having said screen be touchscreen. This would allow for settings/configs to be managed directly on the girl herself rather than having to boot something up on your computer (as well as possibly other things, who knows). Regarding this, thoughever, I have no clue if it's economically/technologically feasible to have such a large curved touchscreen.
> (conversation-related : >>29243, ...)
Moved to faces because reasons >>29394 >>29414 >>29422 To an extent they already make heads this way. They mold hollow rubber heads to go on fiberglass skulls. Unfortunately for us, the skull face is usually just a hollow void to allow the head to be used for, uh, other activities, so we would need to build a structure to support facial articulation and expression. See picrel. Even so we wouldn't be the first to do some modification for electronics- see picrels. And skull design seems to vary between manufacturers. We may want to do an open source animatronic skull for dolls project that anons could print and then fit their chosen doll's face onto by carefully removing material from the inside until it fits. Some adjustability in the skull would also help. So the doll makers are already familiar with the concept of hollow rubber parts, just not beyond making heads yet. btw these pics are from this thread on the doll forum inventor's page- NSFW: https://dollforum.com/forum/viewtopic.php?t=91728 I almost renamed the first pic "flaccid face", but considering the subject of the thread it would have been too easy.
>>29423 Thanks for the great information, Robophiliac. Cheers. :^)

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Robowaifu Simulator Robowaifu Technician 09/12/2019 (Thu) 03:07:13 No.155 [Reply] [Last]
What would be a good RW simulator. I guess I'd like to start with some type of PCG solution that just builds environments to start with and build from there up to characters.

It would be nice if the system wasn't just pre-canned, hard-coded assets and behaviors but was instead a true simulator system. EG, write robotics control software code that can actually calculate mechanics, kinematics, collisions, etc., and have that work correctly inside the basic simulation framework first with an eye to eventually integrating it into IRL Robowaifu mechatronic systems with little modifications. Sort of like the OpenAI Gym concept but for waifubots.
https ://gym.openai.com/
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Today successfully wrote a TCP Client/Server as WindowsForm application and was able to setup a TCP connection to a running Unreal Project. For the Unreal TCP part I used this Plugin: https://github.com/getnamo/TCP-Unreal This way any other software can be connected via TCP (just IP and Port) to the running application. Next I will have a look into how to send data from and to unreal. Maybe JSON? I made a TCP Client/Server for debugging purposes. Those two are written in C#.
>>29242 >>29296 That's great. Keep us updated. Though, if you start creating something the new prototype thread might be the better place to post it: >>28715
>>29242 >>29296 That sounds very encouraging, SchaltkreisMeister! Good luck getting this system up and running successfully. Cheers. :^)
David Browne did some fast muscle design simulation: https://youtu.be/J7RxSPLLw-s
>>29390 Cool. I'm going to check this out NoidoDev, thanks!

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Open-Source Licenses Comparison Robowaifu Technician 07/24/2020 (Fri) 06:24:05 No.4451 [Reply] [Last]
Hi anons! After looking at the introductory comment in >>2701 which mentions the use of the MIT licence for robowaifu projects. I read the terms: https://opensource.org/licenses/MIT Seems fine to me, however I've also been considering the 3-clause BSD licence: https://opensource.org/licenses/BSD-3-Clause >>4432 The reason I liked this BSD licence is the endorsement by using the creator's name (3rd clause) must be done by asking permission first. I like that term as it allows me to decide if I should endorse a derivative or not. Do you think that's a valid concern? Initially I also thought that BSD has the advantage of forcing to retain the copyright notice, however MIT seems to do that too. It has been mentioned that MIT is already used and planned to be used. How would the these two licences interplay with each other? Can I get a similar term applied from BSD's third clause but with MIT?

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>>28172 Throughout the bible, sin is demonstrated time and time again to fit the definition of hamartia. It does make one question the motives of those who object to working to not miss the target. Perhaps they're worried they'll get hit lol.
>>28178 wasnt arguing just pointing out the interesting grammar, but yeah if youre given a bulletpoint list of rules/goals as commandments then thats what it would mean wouldnt it, actually people should be more faithful to their goals in general, every damn january i get sick of hearing peoples new year resolutions because you know no one follows through with them maybe personal goals are the hardest to keep because no one holds you to account if you fail
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>>28170 Anon because of lack of will to set a goal there anons that have different ideas of what the waifu should be. Some want a robot arms that can move with a set of wheels with a doll face attached to it, some want a sex doll where you put virtual glasses and it has a happy face, some want unity fu. You might be okay with that but those ideas are based on cope and pretending this can not be done. What else can i call it but COPE. That we should make a waifu with legs that can F*** and then have a conversation with its inner chatbot or whatever afterwards.
>>28072 >But if that code is GPL -alike, then unfortunately he very likely cannot. I'm still not sure about this, and rather skeptical. The pivot point is what counts as "linking". You can make hardware and sell it with GPL software, the crucial question is to which extent it can interact with proprietary software or software with other licences. I'm pretty sure you can have something in GPL and then modules with other licensing.
These two often discuss the limits and issues around open source hardware design. https://youtu.be/4aMo5IyVeu0 >Chat with Scott Lahteine, the mastermind behind the Marlin 3D Printer firmware. They delve into the workings of an open-source project, covering topics such as Scott's role, time commitment, funding sources, and common challenges he faces.

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Cyborg general + Biological synthetic brains for robowaifus? Robowaifu Technician 04/06/2020 (Mon) 20:16:19 No.2184 [Reply] [Last]
Scientists made a neural network from rat neurons that could fly a fighter jet in a simulator and control a small robot. I think that lab grown biological components would be a great way to go for some robowaifu systems. It could also make it feel more real. https://www.google.com/amp/s/singularityhub.com/2010/10/06/videos-of-robot-controlled-by-rat-brain-amazing-technology-still-moving-forward/amp/ >=== -add/rm notice
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>>28786 Interedasting. So it sound kind of like you could conceivably grow a sensory-network for a robowaifu (say, under her 'skin') using this approach. >memfractive Lol, that's a new one on me. Had to look it up. :D
>>28788 This is exactly what I was hoping for in the long run. That we would get there at some point.
https://www.sciencedirect.com/science/article/abs/pii/S2590238523006483 Biohybrid bipedal robot powered by skeletal muscle tissue Recently, there has been a growing interest in the development of biohybrid robots that combine synthetic components with biological materials, aiming to incorporate advanced biomaterial functions into robotic systems. Conventional biohybrid robots excel in large turning movements. To address this limitation, we report a biohybrid robot equipped with two legs and cultured skeletal muscle tissue, emphasizing the replication of subtle turning movements observed in human bipedal locomotion. The robot successfully demonstrated forward-stop motions and accurate turning compared to conventional biohybrid robots. These findings offer valuable insights for the advancement of soft robots powered by muscle tissue and have the potential to contribute to a deeper understanding of biological locomotion mechanisms. This constructive approach may pave the way for further mimicking the intricacies of the human gait mechanism in biohybrid robotics development.

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>>28812 I'm starting to get Evangelion vibes from this ngl

Waifu Robotics Project Dump Robowaifu Technician 09/18/2019 (Wed) 03:45:02 No.366 [Reply] [Last]
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>>28865 >Sadly not the arm. The arm on the website looks like a random image from the internet considering the other designs available. Nevertheless very interesting project!
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>>28869 *terrifying Maken X noises*
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Another single builder who is concentrating on legs and feet. Their thingiverse page has several iterations of development, #s 4 and 5 in fusion 360 format. Some have links to videos. https://www.thingiverse.com/jacky0815/designs
>>28970 Hmm, I thought I would've posted this already. But yeah, it was in the humanoid robots video thread: >>25463
>>28979 I did search "android" and the designer's name before posting but neither showed this project, and still don't. Oh well.

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