Venture Capital (VC) Funding for Robotics in 2014

VC Funding in Robotics (2014)

I just completed my annual tally for VC funding in robotics in 2014, and the results were pretty amazing. By my primitive calculations, VC funding for robotics increased over 36% compared to 2013 -- totaling a whopping $341.3 Million for 2014. I'll tentatively ascribe the massive gains to: (1) A frothy funding environment; (2) Lots and lots of drone startups; and (3) A series of later stage medical robotics companies raising large sums. If 2014 is any indicator, I think 2015 could be another really big year for robotics!

Twisted String Actuators: Surprisingly Simple, Cheap, and High Gear Ratio

Twisted String Actuator

A few years back I learned about an actuator that is surprisingly simple, has a high gear ratio, was known since ancient times, and can be produced with nothing more than a cheap hobby motor and some string. Crazy, right?! Up until recently I was barred from discussing the actuator due to NDAs with an anonymous startup, despite plenty of academic work on the subject. Thankfully those NDAs expired, and I've received permission to discuss some of that company's findings publicly.  Read on for details!

Teardown and Review of Anki Drive's Robot Cars

Anki Drive Robot Cars

Back in January 2014 I purchased an Anki Drive "robot car" setup, along with an iPad to control it. I had high hopes. Anki had a great story: originated in CMU's robotics program; raised $50M in VC funding (now more than $105M); and launched at Apple's WWDC conference in 2013. It was touted as "bringing robots out of the lab and into homes, using real AI." I couldn't wait to get my hands on one -- to try it out and to tear it apart to figure out how it works. Read on for details, including an inside look at how the robot localization works.  But spoiler alert... I was disappointed.

Big Hero 6 and the Current State of the Art in Soft Inflatable Robots

Big Hero 6 inflatable robot

This weekend a new Disney movie came out in theaters: Big Hero 6. I'm super excited for this movie, and I'm sure it will be awesome! Even better, the main supporting character is a big, soft inflatable robot named Baymax. As long-time readers of Hizook will undoubtedly know, I'm a huge proponent of inflatable robots -- they have challenges, but they're tough to beat in terms of cost and power-to-weight ratio! And while the movie was inspired by some early work from CMU, I think this is an ideal opportunity to look at the cutting edge in soft, inflatable robotics -- which to my knowledge is dominated by an Otherlab spinout: Pneubotics.  Read on for details, lots of pictures and videos, and a bonus: Watch my wife take a sucker punch to the gut from an inflatable robot!  :-P

Stadium-Sized 3D Printers using Winch Robots (aka Cable Robots or Rope Robots)

Stadium-Sized cable robot for 3D printing

My good friend Erik Schluntz and I came up with this really cool idea: We should build room-sized 3D printers using winch robots (also called cable robots or rope robots) instead of using big 3-axis gantry systems. The idea has a lot of merit: eliminate bulkiness, vastly-lower robot cost, insanely-big workspaces, and super-easy installation and calibration. We thought a bit about what it could look like as a business (eg. launching via Kickstarter), but opted to pass for the time being. In the interim there are some supremely-entertaining possibilities to scale it up to the size of a football stadium... If anyone can get us access to a stadium, we'd be game for the mother of all weekend hackathons! Anyway, we figured we'd expand a bit on the idea and examine some earlier, related systems.

LogiMover: A Clever Approach to Pallet Moving using Distributed Robots

LogiMover: A unique forklift with two independent robot lifters

Several of my friends attended Automatica 2014, where they saw demonstrations of the LogiMover pallet-moving system by Eisenmann. They figured I would be interested (yep!), and emailed me some details. LogiMover has an interesting design twist: It uses two independent forks (ie. two distributed robots) to lift and move pallets around a warehouse or factory floor. While not as versatile as a normal forklift (in the vertical direction), I can definitely appreciate the system's compactness and overall utility. 

Venture Capital (VC) Funding for Robotics in 2013

This is becoming something of a perennial topic for Hizook; the 2011 and 2012 lists were a hit, and people keep asking me about 2013. Let's keep the tradition alive. Robotics companies raised at least $250 Million in 2013, which compares very favorably to the $190 Million from 2012.  Also of interest this year: Google snapped up 8 top-notch robotics companies (including Boston Dynamics and Redwood Robotics); Amazon announced its audacious drone delivery plans; Mako Surgical sold for $1.65B and MakerBot was acquired for $600M; a $100M VC Firm was setup to invest specifically in robotics and AI; and we now have our own robotics-specific Exchange Traded Fund (ETF), Robo-Stox (NASDAQ:ROBO)!

Mujin: Japanese Robotics Startup Tackling Old-School Manufacturing

Mujin Logo

A few of my robotics friends (Issei Takino, Huan Liu, and Rosen Diankov of OpenRave fame) quietly started a company in Japan called Mujin that is modernizing old-school manufacturing. Mujin uses modern software and interactive motion controllers to help large manufacturers update their production lines (using decades-old robots) in drastically shorter times compared to what would be required using crummy old motion-jogging panels. By most accounts, this is boring non-flashy robotics work. But that's precisely why it's awesome.  All too often it seems like roboticists are fixated on the glitz and glam of building robots, without solving real-world problems. Mujin is solving real, dull robotics problems in a big market with lots of money. I had the opportunity to grill them on their company and the differences between doing business in the US versus Japan -- see below for a Q&A.

Mobile Manipulator Robots for Un-Bounded Rapid Prototyping

Mobile manipulators for infinite rapid prototyping

Giant 3D printers are cool, but they have fundamental limitations: the parts they can build are limited to the volume of their finite workspace. Let me propose an alternative. What if we gave mobile manipulators a "toolbelt" of rapid prototyping utensils so that our general purpose (home!) robots are effectively on-the-spot machinists capable of building almost any CAD design?! Actually, there's some compelling evidence that we're closer to this vision than one might imagine. In the interim, I think there's some great low-hanging fruit around this idea.... if only there was a diligent robotics researcher (i.e. not me) to pursue it. Any takers?

Large-Scale Rapid Prototyping Robots: Industrial Robot Arm Extruders and Building-Scale 3D Printers

Large Rapid Prototyping Robots

Over the years I've been keeping an informal list of large rapid prototyping systems. I'd like to take a moment to share some of these, including: big 3-axis systems that print plastic, sand, or cement; large robot arms with extruders and milling bits; and large industrial arms for bending metal and assembling modular structures. This list is woefully incomplete, but it provides some fun eye candy. Enjoy!

Venture Capital (VC) Funding for Robotics in 2012

Due to the popularity of Hizook's list of VC Funding for Robotics in 2011, we figured folks would be curious how 2012 fared in comparison.... and the news is promising! By our tally, robotics companies raised ~$190 Million (breakdown below) in VC funding in 2012 -- approximately the same amount as in 2011, though it'll probably be more once folks speak up in the comments (please do!). Perhaps more exciting, 2012 was a great year for robotics as an industry: we saw the creation of Grishin Robotics, the first VC fund dedicated exclusively to robotics; several robotics companies were acquired for impressively-high valuations (Kiva for $775 Million, Evolution for $74 Million, and Aldebaran for $100 Million); innumerable crowd-funded robotics campaigns launched new companies; and robotics-specific grants to academia seemed to be on the up (eg. NSF NRI and Darpa M3, ARM, Humanoid programs). 

Fashion, Robots, and Travis' Hiatus to Lollipuff

Fits Me Robot Manequin

Some people have been asking, "Travis, where did you (and Hizook) disappear to?"  Well... I'm taking a prolonged (but ultimately temporary) hiatus from robotics to co-found a new, YCombinator-funded web startup: -- an online auction site dedicated exclusively to women's designer clothes and accessories, where every item is authenticated by a team of experts. Surprised? Frankly, I am too.  I'll explain more down below... but since this is a robotics website, I figure I have to talk about robotics too.  So really, this is two blog posts in one: (1) looking at the intersection of fashion and robotics, and (2) a description of my latest endeavors.

New Underactuated Robot Hands from Lacquey and Willow Garage

Underactuated Fetch Hand by Lacquey

Underactuated robot hands -- with fewer motors than joints -- have been around for decades; however, we've seen a surge of new designs in recent years.  Personally, I attribute this trend to the availability of low-cost robot arms and associated open-source software (ie. ROS).  In any case, underactuated hands offer numerous advantages in terms of cost, size, weight, and mechanical / electrical complexity while providing a large array of shape-adaptive grasps.  In this article, I'd like to introduce you to two new underactuated robot gripers, the Lacquey "Fetch Hand" and the Willow Garage "Velo Gripper."  Be sure to check out the photos and videos below.

Robot Dragonfly by TechJect (A New Georgia Tech Spinoff Company)

Robot Dragonfly by TechJect

I'd like to introduce you TechJect (a Georgia Tech spinout) that is building a robot dragonfly based on of years of academic research and $1+ Million in military funding -- aka, one hell of a toy!  Early prototypes look pretty compelling (see photos and videos below).  Currently, they have an ongoing IndieGoGo crowdfunding campaign that has already raised ~$200k in just a few days, where you can essentially preorder robot dragonflies for about the same price as a quadrotor platform! (Albeit with delivery sometime around September or October of 2013.)   Presumably, their 4-wing ornithopter is able to independently control the pitch and amplitude of each wing to perform aggressive aerial maneuvering, which should enable the dragonfly to both fly or hover -- a unique capability compared to most other UAVs (fixed wing or helicopter).  Initial product sketches suggest that the dragonflies will be ~6 inches long, weight ~25 grams, and have numerous sensors and connectivity options (ie. RC control, WiFi, IMU, cameras... the usual).  

Visceral Negative Reaction to Suitable Technologies' New "Beam" Robot

Battle of the BEAM robots

Today, Suitable Technologies announced the "Beam Remote Presence System" -- aka, Beam telepresence robot.  You can see the press announcement below, and find plenty of commentary elsewhere online (eg. about how the $16k price tag compares to competitors).  Normally, I'd write a similar reaction piece.  But instead, I'm going to violate two of my personal rules: I'm going to write a negative piece on Hizook, and I'm going to do it while somewhat mad.  Suitable, what were you thinking?!?  BEAM robots have been around since the 1990's.  Mark Tilden's patent for super-simple analog "nervous nets" to build (often solar powered) "Braitenberg vehicles" dates back to 1992.  They have a Wikipedia page; there are several in-print books; there are entire communities and companies built around them.  They're the reason I learned electronics and got into robotics as a child.  To have the name subverted in this way is sickening.  Did no one at Suitable run a simple Google search?!   Furthermore, there is no way that "beam" should be eligible for a trademark -- there's too much existing prior use in robotics.

Baxter Robot from Rethink Robotics Finally Unveiled!

Baxter Robot from Rethink Robotics

Rethink Robotics (formerly Heartland Robotics) has come out of stealth mode with the announcement of Baxter -- a $22,000 dual-arm, human-scale robot with compliant joints. The details are available in Rethink Robotics'  Baxter datasheet and brochure, but here are a few key highlights: dual 7-DoF arms with 5 lb (2.3kg) payload with a max no-load speed of 3.3 ft/sec (1m/sec).  The arms are compliant owing to series-elastic actuators (SEAs) with force control and torque sensing at each joint.  The robot torso sans-pedistal is 3'1" tall (94cm), and the robot has a reach of roughly 104cm.  The robot weighs in at 165 lbs (75kg) and has a suite of sensors including: 5 camers (1 up top, 2 in the torso, and 2 "eye-in-hand"), a 360-deg. ring of ultrasonic range sensors in the head, and IR range sensors at the gripper, and (naturally) kinematics and torque sensing at each joint. Did I mention the starting price of $22,000 and that it starts shipping this October!?!  This will be a HUGE deal for robotics.  Comparable arms easily cost an order of magnitude more (~$100k each), so getting a full pair for $22k is going to completely change the game -- perhaps even more than the Kinect.  It's an exciting time for robotics!  Read on for pictures, an interview with Rod Brooks (CTO and co-founder of Rethink), and the press release.

Artaic: Revolutionizing Tile Mosaics Through Robotic Assembly

Artaic Builds Tile Mosaics Using Robots

I love Artaic.  They're revolutionizing a millennia-old art form (tile mosaics) using dead-simple pick-and-place robots, to create a successful "non-robotics company."  Yet in my mind... they're the quintessential "robotics" company.  I had cause to visit their headquarters in Boston last March, where I got a special tour by Artaic co-founders Paul Reiss (Creative Director) and Ted Acworth (CEO).  Allow me to share their process, some of their beautiful mosaics, their unique outlook on robotics, and a quick sneak peak into advances coming down the pipeline.

Venture Capital Firms Behind the Hizook 2011 "VC in Robotics" List

Like many readers of this site, I’m planning to start a robotics company.  So when I saw Hizook's list of VC Funding in Robotics in 2011, it cried out to me: Who is investing in robotics?  And how can I get some of that VC money?  I did a bit of research to identify the robotics-friendly venture firms behind Hizook's list, with the hope of understanding how capital is allocated in robotics.  Unfortunately, most robotics investors are following a healthcare, consumer, or some other industrial hypothesis and end up investing in robotics by accident, not because they are eager for robotics per se.  As a result, the list is probably not as much help as a guide to fundraising as I had hoped.  Still, I think my research and results may be helpful to other budding robotics entrepreneurs... so many thanks to Hizook for letting me share.

P.W. Singer Wastes an Opportunity in the Atlantic

Peter W. Singer is arguably the most famous scholar of drones and robotic warfare today.  His book Wired for War probably did as much to introduce unmanned aircraft to the popular consciousness as any single work.  His article in the Atlantic on July 19th blew a huge opportunity to advance the discussion of unmanned aircraft regulation.  

Being Honest in Robot Videos: Motion Capture, Speedup Rates, and Teleoperation

KMEL nano quadrotor

Movies and scifi books inspire roboticists to push the envelope, but they've also skewed the public's perception of robot capabilities. This problem is being exacerbated by researchers.  In the last three months, I've had to shatter a few dreams: "Your $300 AR.Drone or $150 Ladybird will not be able to perform insane autonomous aerial maneuvers (yet). The UPenn quadrotors rely on $20k-$50k camera-based (Vicon) motion capture systems, which provide global pose estimation of each UAV at millimeter-accuracies at up to 1kHz (and often uses an external, centralized motion planning computer too)."  That this crucial aspect of the videos does not register with intelligent people means that researchers are being disingenuous and violating their duty to the public -- which sucks, because their projects and research are awesome!   And this is just the example that happens to be most salient to me at the moment.  In this post I'd like to explore some "best practices" for robot videos so that we can quit misleading one another.

East Coast Chauvinism in Robotics: Time to Face Facts, Silicon Valley is Kicking Our Butt

East coast vs. West coast

I have lots of love for Pittsburgh in particular, but it really pisses me off when people on the East Coast repeat a bunch of falsehoods (See #8) about how Boston and Pittsburgh compare to Silicon Valley and the rest of the world.  Many people in Pittsburgh and Boston—including people I call friends and mentors—smugly think that the MIT and CMU centered robotics clusters are leading the world in robotics.  This is demonstrably false.

Redwood Robotics: New Silicon Valley Startup by Meka Robotics, Willow Garage, and SRI

Redwood Robotics

Redwood Robotics came out of its year-long stealth mode at today's Xconomy event in Menlo Park, California.  Redwood Robotics is a joint venture between three west-coast robotics powerhouses: Meka Robotics, Willow Garage, and SRI.  Aaron Edsinger, who is CEO of Meka Robotics and is expected to take a leadership / executive role at Redwood, made the announcement and explained the startup's goal: "To enable the personal and service robot markets through a new generation of robot arms that are simple to program, inexpensive, and safe to operate alongside people."  In other words, they're teaming up to create a proper competitor to Heartland Robotics in Boston.  Unfortunately, that's all the public details that they're sharing at this time.  They're being tight-lipped about business and technical details given the amount of secrecy in this market (eg. Heartland is notoriously tight-lipped).  We'll try to keep you updated as we learn more.  In the meantime, check out the brief spotlights of the three joint partners below.

Artisan's Asylum: Hackerspace Startup Building a 2500+ lb. Rideable Hexapod Robot Named Stompy

Stompy Rideable Spider Robot

Artisan's Asylum is a hackerspace startup in Boston, MA that is hosting classes to build big, bad-ass robots.  Their first course set out to build 300-lb autonomous "vending machine robots."  That class is winding down, so they're starting a new project: a 2500+ lb. ridable hexapod "spider" robot named Stompy.  The robot will feature a propane engine generating 135 HP to hydraulically power six legs, and it will likely cost around $25k-$30k to build (versus $250k that would typically be involved in such an effort).  The guys teaching the class are professional roboticsts, having worked at Boston Dynamics, Barrett Technology, and DEKA.  So this is a serious endeavor!  They're following the same design methodologies that their (current and former) employers use to produce classics such as BigDog, AlphaDog, and PETMAN.  They're using the proceeds from the class to fund early development (a one leg cart), followed by a KickStarter project to fund the remainder of the robot (forthcoming announcement).  It's a clever way to fund a large robot hardware platform.  Conceivably, they could use the resulting robot to generate revenue to for the startup (rentals for promotional events, parades, or wedding processions!) and to bootstrap other robots.  Read on for details supplied by Artisan's CEO, Gui Cavalcanti.

Two More Robotics Companies Get Acquired: My Robot Nation and Sensable Technologies

My Robot Nation and Sensable Technologies recently acquired

It seems like robotics companies are being acquired left-and-right.  Just the other week we learned of two more: (1) My Robot Nation, which allows you to design and 3D print custom robot figurines, was acquired by 3D systems.  (2) Sensable Technologies, which is best-known in robotics circles for their "Phantom Omni" haptic interfaces (eg. for teleoperation), was just acquired by Geomagic.  While the acquisition prices were undisclosed, it's likely that they were smaller than the mega-acquisitions of Kiva Systems by Amazon for $775 Million and Aldebaran Robotics by Softbank for $100 Million.  Either way, these recent acquisitions seem to indicate a growing trend in the robotics industry -- that... or I'm just paying more active attention to the business-side of robotics.

Wireless Power Transfer to Ground Sensors Using a UAV (Quadrotor)

Quadrotor Wirelessly Powering a Sensor

We were scanning through the upcoming ICRA2012 program and noticed an interesting paper titled, "Resonant Wireless Power Transfer to Ground Sensors from a UAV."    This certainly piqued our interest -- especially for Travis, who happens to work with wirelessly-powered sensors at his day job.  Come to find out...  the article is by Dr. Carrick Detweiler, PI of the NIMBUS Lab at the University of Nebraska-Lincoln (our undergrad alma mater!).  Furthermore, he just provided a preprint of the paper (PDF) and a video on his website.  Score!  Their quadrotor delivers power via magnetic resonance (ie. WiTricity-style) to a load on the ground.  This same type of technology is being actively researched for lots of applications, including: consumer electronics, transportation (eg. electric vehicle recharging), and remote sensing (this application).  Adding it to a UAV adds a bit of flexibility to the system.   Anyway, be sure to check out the video below... and we'll also give a brief overview of a few different wireless power + robotics projects over the ages.

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