AI News, Video Friday: Printable Hydraulic Robots, Medical Delivery Drones, and Romeo Walks

Video Friday: Printable Hydraulic Robots, Medical Delivery Drones, and Romeo Walks

Video Friday is your weekly selection of awesome robotics videos, collected by your fluid-filled Automaton bloggers.

From the press release: With “printable hydraulics,” an inkjet printer deposits individual droplets of material that are each 20 to 30 microns in diameter, or less than half the width of a human hair.

For each layer, the printer deposits different materials in different parts, and then uses high-intensity UV light to solidify all of the materials (minus, of course, the liquids).

The printer uses multiple materials, though at a more basic level each layer consist of a “photopolymer,” which is a solid, and “a non-curing material,” which is a liquid.

As a result, both man and machine can interact with each other easily and safely, opening up entirely new possibilities for the workplace of the future.

In this future, people could be supported by the spheres, using them as a flying assistance system – for example, when working at giddying heights or in hard-to-access areas.

Let me explain what’s about to happen here: at the WeRobot 2016 conference, a bunch of otherwise semi-serious roboticists and law professors took it upon themselves to personally and cooperatively simulate a robot.

suppose we’re obligated to post this video of a drone carrying a chainsaw, although to be honest, this feel like it’s trying too hard to be cool to actually be cool, if you know what I mean.

We’ve been following the progress of the scariest quadrotor anyone has ever seen, and it’s up to full throttle testing (without shredding itself into bits) and can almost lift itself off the ground:

Twenty years later, after launching a career in IT, he staked his retirement money on the GLXP and recruited his son Sergei to help him pursue his lifelong passion for aerospace, which Alex had been forced to abandon in post-Soviet Ukraine.

In the six years of Google’s project, its vehicles have self-driven over 1.3 million miles, racking up the equivalent of 90 years of human driving experience.

Google says its cars can now handle the vast majority of everyday situations it finds on the roads, but what does the path to a driverless future look like?

Legged locomotion is a challenging physical interaction task: underactuation, unexpected impacts, and large and rapidly changing forces and velocities are commonplace.

Utilizing passive hardware dynamics in tight integration with the software control, with both aspects of “behavior design” considered together as part of the overall design process, can drastically improve the performance of a machine as measured by efficiency, agility, and robustness to disturbances.

The passive dynamics of the hardware match a simple biomechanically-derived spring-mass model, while the software control relies on the passive dynamics as an integrated aspect of the system behavior.

ATRIAS walks using approximately 400W of power, accelerates to a run, handles large unexpected obstacles with no prior knowledge of the terrain, and is the first machine to reproduce the dynamics of a human walking gait.

We could 3D print buildings using robots and drones

There's no denying that 3D printing holds great potential for larger-scale projects such as buildings and bridges.

While the cheaper, basic machines are limited to plastics, more complex 3D printers can fuse powdered raw materials such as gypsum (like chalk dust), metal powder (like steel) or polymers (nylon) into complete objects.

In much the same way that a 2D printer can produce a whole spectrum of colours by mixing different proportions of cyan, magenta and yellow ink, advanced 3D printers can combine two or more materials to alter the physical properties of printed objects: from colour, to strength, to electrical conductivity and even thermal insulation.

These advanced printers work by sprinkling powdered materials onto the print area layer by layer, fusing the particles of each layer together according to a given design.

They scaled up existing technology to create a 6m high 3D printer, capable of producing plastic wall panels with very complex shapes, which are then filled with concrete for structural strength.

By contrast, Chinese firm WinSun developed a very large printer which uses liquid concrete to produce full-size, 3D-printed building panels that can be assembled into a finished structure.

Dutch firm MX3d have managed to get even closer to printing an entire structure in one piece: the team there have developed a 3D printing robotic arm, which extrudes molten steel that quickly cools and solidifies, in a similar manner to the fun, plastic 3D printing pen toys available on the market.

At the moment, research in this field is focused on introducing small fibres into liquid concrete, to provide some tensile strength without compromising its ability to flow through 3D printing machinery.

Testing, testing What's more, there's still a lot we don't know about the structural strength of the 3D printed objects – in particular, the effect of building up a solid object from fine layers.

have just started work on a project which aims to do just that, with a view to building a mathematical model of how different layering, direction and speed of printing affects the final strength of the object.

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