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#435775 Jaco Is a Low-Power Robot Arm That Hooks ...
We usually think of robots as taking the place of humans in various tasks, but robots of all kinds can also enhance human capabilities. This may be especially true for people with disabilities. And while the Cybathlon competition showed what's possible when cutting-edge research robotics is paired with expert humans, that competition isn't necessarily reflective of the kind of robotics available to most people today.
Kinova Robotics's Jaco arm is an assistive robotic arm designed to be mounted on an electric wheelchair. With six degrees of freedom plus a three-fingered gripper, the lightweight carbon fiber arm is frequently used in research because it's rugged and versatile. But from the start, Kinova created it to add autonomy to the lives of people with mobility constraints.
Earlier this year, Kinova shared the story of Mary Nelson, an 11-year-old girl with spinal muscular atrophy, who uses her Jaco arm to show her horse in competition. Spinal muscular atrophy is a neuromuscular disorder that impairs voluntary muscle movement, including muscles that help with respiration, and Mary depends on a power chair for mobility.
We wanted to learn more about how Kinova designs its Jaco arm, and what that means for folks like Mary, so we spoke with both Kinova and Mary's parents to find out how much of a difference a robot arm can make.
IEEE Spectrum: How did Mary interact with the world before having her arm, and what was involved in the decision to try a robot arm in general? And why then Kinova's arm specifically?
Ryan Nelson: Mary interacts with the world much like you and I do, she just uses different tools to do so. For example, she is 100 percent independent using her computer, iPad, and phone, and she prefers to use a mouse. However, she cannot move a standard mouse, so she connects her wheelchair to each device with Bluetooth to move the mouse pointer/cursor using her wheelchair joystick.
For years, we had a Manfrotto magic arm and super clamp attached to her wheelchair and she used that much like the robotic arm. We could put a baseball bat, paint brush, toys, etc. in the super clamp so that Mary could hold the object and interact as physically able children do. Mary has always wanted to be more independent, so we knew the robotic arm was something she must try. We had seen videos of the Kinova arm on YouTube and on their website, so we reached out to them to get a trial.
Can you tell us about the Jaco arm, and how the process of designing an assistive robot arm is different from the process of designing a conventional robot arm?
Nathaniel Swenson, Director of U.S. Operations — Assistive Technologies at Kinova: Jaco is our flagship robotic arm. Inspired by our CEO's uncle and its namesake, Jacques “Jaco” Forest, it was designed as assistive technology with power wheelchair users in mind.
The primary differences between Jaco and our other robots, such as the new Gen3, which was designed to meet the needs of academic and industry research teams, are speed and power consumption. Other robots such as the Gen3 can move faster and draw slightly more power because they aren't limited by the battery size of power wheelchairs. Depending on the use case, they might not interact directly with a human being in the research setting and can safely move more quickly. Jaco is designed to move at safe speeds and make direct contact with the end user and draw very little power directly from their wheelchair.
The most important consideration in the design process of an assistive robot is the safety of the end user. Jaco users operate their robots through their existing drive controls to assist them in daily activities such as eating, drinking, and opening doors and they don't have to worry about the robot draining their chair's batteries throughout the day. The elegant design that results from meeting the needs of our power chair users has benefited subsequent iterations, [of products] such as the Gen3, as well: Kinova's robots are lightweight, extremely efficient in their power consumption, and safe for direct human-robot interaction. This is not true of conventional industrial robots.
What was the learning process like for Mary? Does she feel like she's mastered the arm, or is it a continuous learning process?
Ryan Nelson: The learning process was super quick for Mary. However, she amazes us every day with the new things that she can do with the arm. Literally within minutes of installing the arm on her chair, Mary had it figured out and was shaking hands with the Kinova rep. The control of the arm is super intuitive and the Kinova reps say that SMA (Spinal Muscular Atrophy) children are perfect users because they are so smart—they pick it up right away. Mary has learned to do many fine motor tasks with the arm, from picking up small objects like a pencil or a ruler, to adjusting her glasses on her face, to doing science experiments.
Photo: The Nelson Family
Mary uses a headset microphone to amplify her voice, and she will use the arm and finger to adjust the microphone in front of her mouth after she is done eating (also a task she mastered quickly with the arm). Additionally, Mary will use the arms to reach down and adjust her feet or leg by grabbing them with the arm and moving them to a more comfortable position. All of these examples are things she never really asked us to do, but something she needed and just did on her own, with the help of the arm.
What is the most common feedback that you get from new users of the arm? How about from experienced users who have been using the arm for a while?
Nathaniel Swenson: New users always tell us how excited they are to see what they can accomplish with their new Jaco. From day one, they are able to do things that they have longed to do without assistance from a caregiver: take a drink of water or coffee, scratch an itch, push the button to open an “accessible” door or elevator, or even feed their baby with a bottle.
The most common feedback I hear from experienced users is that Jaco has changed their life. Our experienced users like Mary are rock stars: everywhere they go, people get excited to see what they'll do next. The difference between a new user and an experienced user could be as little as two weeks. People who operate power wheelchairs every day are already expert drivers and we just add a new “gear” to their chair: robot mode. It's fun to see how quickly new users master the intuitive Jaco control modes.
What changes would you like to see in the next generation of Jaco arm?
Ryan Nelson: Titanium fingers! Make it lift heavier objects, hold heavier items like a baseball bat, machine gun, flame thrower, etc., and Mary literally said this last night: “I wish the arm moved fast enough to play the piano.”
Nathaniel Swenson: I love the idea of titanium fingers! Jaco's fingers are made from a flexible polymer and designed to avoid harm. This allows the fingers to bend or dislocate, rather than break, but it also means they are not as durable as a material like titanium. Increased payload, the ability to manipulate heavier objects, requires increased power consumption. We've struck a careful balance between providing enough strength to accomplish most medically necessary Activities of Daily Living and efficient use of the power chair's batteries.
We take Isaac Asimov's Laws of Robotics pretty seriously. When we start to combine machine guns, flame throwers, and artificial intelligence with robots, I get very nervous!
I wish the arm moved fast enough to play the piano, too! I am also a musician and I share Mary's dream of an assistive robot that would enable her to make music. In the meantime, while we work on that, please enjoy this beautiful violin piece by Manami Ito and her one-of-a-kind violin prosthesis:
To what extent could more autonomy for the arm be helpful for users? What would be involved in implementing that?
Nathaniel Swenson: Artificial intelligence, machine learning, and deep learning will introduce greater autonomy in future iterations of assistive robots. This will enable them to perform more complex tasks that aren't currently possible, and enable them to accomplish routine tasks more quickly and with less input than the current manual control requires.
For assistive robots, implementation of greater autonomy involves a focus on end-user safety and improvements in the robot's awareness of its environment. Autonomous robots that work in close proximity with humans need vision. They must be able to see to avoid collisions and they use haptic feedback to tell the robot how much force is being exerted on objects. All of these technologies exist, but the largest obstacle to bringing them to the assistive technology market is to prove to the health insurance companies who will fund them that they are both safe and medically necessary. Continue reading
#434182 Why AI robot toys could be good for kids
A new generation of robot toys with personalities powered by artificial intelligence could give kids more than just a holiday plaything, according to a University of Alberta researcher. Continue reading
#433284 Tech Can Sustainably Feed Developing ...
In the next 30 years, virtually all net population growth will occur in urban regions of developing countries. At the same time, worldwide food production will become increasingly limited by the availability of land, water, and energy. These constraints will be further worsened by climate change and the expected addition of two billion people to today’s four billion now living in urban regions. Meanwhile, current urban food ecosystems in the developing world are inefficient and critically inadequate to meet the challenges of the future.
Combined, these trends could have catastrophic economic and political consequences. A new path forward for urban food ecosystems needs to be found. But what is that path?
New technologies, coupled with new business models and supportive government policies, can create more resilient urban food ecosystems in the coming decades. These tech-enabled systems can sustainably link rural, peri-urban (areas just outside cities), and urban producers and consumers, increase overall food production, and generate opportunities for new businesses and jobs (Figure 1).
Figure 1: The urban food value chain nodes from rural, peri-urban and urban producers
to servicing end customers in urban and peri-urban markets.
Here’s a glimpse of the changes technology may bring to the systems feeding cities in the future.
A technology-linked urban food ecosystem would create unprecedented opportunities for small farms to reach wider markets and progress from subsistence farming to commercially producing niche cash crops and animal protein, such as poultry, fish, pork, and insects.
Meanwhile, new opportunities within cities will appear with the creation of vertical farms and other controlled-environment agricultural systems as well as production of plant-based and 3D printed foods and cultured meat. Uberized facilitation of production and distribution of food will reduce bottlenecks and provide new business opportunities and jobs. Off-the-shelf precision agriculture technology will increasingly be the new norm, from smallholders to larger producers.
As part of Agricultural Revolution 4.0, all this will be integrated into the larger collaborative economy—connected by digital platforms, the cloud, and the Internet of Things and powered by artificial intelligence. It will more efficiently and effectively use resources and people to connect the nexus of food, water, energy, nutrition, and human health. It will also aid in the development of a circular economy that is designed to be restorative and regenerative, minimizing waste and maximizing recycling and reuse to build economic, natural, and social capital.
In short, technology will enable transformation of urban food ecosystems, from expanded production in cities to more efficient and inclusive distribution and closer connections with rural farmers. Here’s a closer look at seven tech-driven trends that will help feed tomorrow’s cities.
1. Worldwide Connectivity: Information, Learning, and Markets
Connectivity from simple cell phone SMS communication to internet-enabled smartphones and cloud services are providing platforms for the increasingly powerful technologies enabling development of a new agricultural revolution. Internet connections currently reach more than 4 billion people, about 55% of the global population. That number will grow fast in coming years.
These information and communications technologies connect food producers to consumers with just-in-time data, enhanced good agricultural practices, mobile money and credit, telecommunications, market information and merchandising, and greater transparency and traceability of goods and services throughout the value chain. Text messages on mobile devices have become the one-stop-shop for small farmers to place orders, gain technology information for best management practices, and access market information to increase profitability.
Hershey’s CocoaLink in Ghana, for example, uses text and voice messages with cocoa industry experts and small farm producers. Digital Green is a technology-enabled communication system in Asia and Africa to bring needed agricultural and management practices to small farmers in their own language by filming and recording successful farmers in their own communities. MFarm is a mobile app that connects Kenyan farmers with urban markets via text messaging.
2. Blockchain Technology: Greater Access to Basic Financial Services and Enhanced Food Safety
Gaining access to credit and executing financial transactions have been persistent constraints for small farm producers. Blockchain promises to help the unbanked access basic financial services.
The Gates Foundation has released an open source platform, Mojaloop, to allow software developers and banks and financial service providers to build secure digital payment platforms at scale. Mojaloop software uses more secure blockchain technology to enable urban food system players in the developing world to conduct business and trade. The free software reduces complexity and cost in building payment platforms to connect small farmers with customers, merchants, banks, and mobile money providers. Such digital financial services will allow small farm producers in the developing world to conduct business without a brick-and-mortar bank.
Blockchain is also important for traceability and transparency requirements to meet food regulatory and consumer requirement during the production, post-harvest, shipping, processing and distribution to consumers. Combining blockchain with RFID technologies also will enhance food safety.
3. Uberized Services: On-Demand Equipment, Storage, and More
Uberized services can advance development of the urban food ecosystem across the spectrum, from rural to peri-urban to urban food production and distribution. Whereas Uber and Airbnb enable sharing of rides and homes, the model can be extended in the developing world to include on-demand use of expensive equipment, such as farm machinery, or storage space.
This includes uberization of planting and harvesting equipment (Hello Tractor), transportation vehicles, refrigeration facilities for temporary storage of perishable product, and “cloud kitchens” (EasyAppetite in Nigeria, FoodCourt in Rwanda, and Swiggy and Zomto in India) that produce fresh meals to be delivered to urban customers, enabling young people with motorbikes and cell phones to become entrepreneurs or contractors delivering meals to urban customers.
Another uberized service is marketing and distributing “ugly food” or imperfect produce to reduce food waste. About a third of the world’s food goes to waste, often because of appearance; this is enough to feed two billion people. Such services supply consumers with cheaper, nutritious, tasty, healthy fruits and vegetables that would normally be discarded as culls due to imperfections in shape or size.
4. Technology for Producing Plant-Based Foods in Cities
We need to change diet choices through education and marketing and by developing tasty plant-based substitutes. This is not only critical for environmental sustainability, but also offers opportunities for new businesses and services. It turns out that current agricultural production systems for “red meat” have a far greater detrimental impact on the environment than automobiles.
There have been great advances in plant-based foods, like the Impossible Burger and Beyond Meat, that can satisfy the consumer’s experience and perception of meat. Rather than giving up the experience of eating red meat, technology is enabling marketable, attractive plant-based products that can potentially drastically reduce world per capita consumption of red meat.
5. Cellular Agriculture, Lab-Grown Meat, and 3D Printed Food
Lab-grown meat, literally meat grown from cultured cells, may radically change where and how protein and food is produced, including the cities where it is consumed. There is a wide range of innovative alternatives to traditional meats that can supplement the need for livestock, farms, and butchers. The history of innovation is about getting rid of the bottleneck in the system, and with meat, the bottleneck is the animal. Finless Foods is a new company trying to replicate fish fillets, for example, while Memphis meats is working on beef and poultry.
3D printing or additive manufacturing is a “general purpose technology” used for making, plastic toys, human tissues, aircraft parts, and buildings. 3D printing can also be used to convert alternative ingredients such as proteins from algae, beet leaves, or insects into tasty and healthy products that can be produced by small, inexpensive printers in home kitchens. The food can be customized for individual health needs as well as preferences. 3D printing can also contribute to the food ecosystem by making possible on-demand replacement parts—which are badly needed in the developing world for tractors, pumps, and other equipment. Catapult Design 3D prints tractor replacement parts as well as corn shellers, cart designs, prosthetic limbs, and rolling water barrels for the Indian market.
6. Alt Farming: Vertical Farms to Produce Food in Urban Centers
Urban food ecosystem production systems will rely not only on field-grown crops, but also on production of food within cities. There are a host of new, alternative production systems using “controlled environmental agriculture.” These include low-cost, protected poly hoop houses, greenhouses, roof-top and sack/container gardens, and vertical farming in buildings using artificial lighting. Vertical farms enable year-round production of selected crops, regardless of weather—which will be increasingly important in response to climate change—and without concern for deteriorating soil conditions that affect crop quality and productivity. AeroFarms claims 390 times more productivity per square foot than normal field production.
7. Biotechnology and Nanotechnology for Sustainable Intensification of Agriculture
CRISPR is a promising gene editing technology that can be used to enhance crop productivity while avoiding societal concerns about GMOs. CRISPR can accelerate traditional breeding and selection programs for developing new climate and disease-resistant, higher-yielding, nutritious crops and animals.
Plant-derived coating materials, developed with nanotechnology, can decrease waste, extend shelf-life and transportability of fruits and vegetables, and significantly reduce post-harvest crop loss in developing countries that lack adequate refrigeration. Nanotechnology is also used in polymers to coat seeds to increase their shelf-life and increase their germination success and production for niche, high-value crops.
Putting It All Together
The next generation “urban food industry” will be part of the larger collaborative economy that is connected by digital platforms, the cloud, and the Internet of Things. A tech-enabled urban food ecosystem integrated with new business models and smart agricultural policies offers the opportunity for sustainable intensification (doing more with less) of agriculture to feed a rapidly growing global urban population—while also creating viable economic opportunities for rural and peri-urban as well as urban producers and value-chain players.
Image Credit: Akarawut / Shutterstock.com Continue reading
#432646 How Fukushima Changed Japanese Robotics ...
In March 2011, Japan was hit by a catastrophic earthquake that triggered a terrible tsunami. Thousands were killed and billions of dollars of damage was done in one of the worst disasters of modern times. For a few perilous weeks, though, the eyes of the world were focused on the Fukushima Daiichi nuclear power plant. Its safety systems were unable to cope with the tsunami damage, and there were widespread fears of another catastrophic meltdown that could spread radiation over several countries, like the Chernobyl disaster in the 1980s. A heroic effort that included dumping seawater into the reactor core prevented an even bigger catastrophe. As it is, a hundred thousand people are still evacuated from the area, and it will likely take many years and hundreds of billions of dollars before the region is safe.
Because radiation is so dangerous to humans, the natural solution to the Fukushima disaster was to send in robots to monitor levels of radiation and attempt to begin the clean-up process. The techno-optimists in Japan had discovered a challenge, deep in the heart of that reactor core, that even their optimism could not solve. The radiation fried the circuits of the robots that were sent in, even those specifically designed and built to deal with the Fukushima catastrophe. The power plant slowly became a vast robot graveyard. While some robots initially saw success in measuring radiation levels around the plant—and, recently, a robot was able to identify the melted uranium fuel at the heart of the disaster—hopes of them playing a substantial role in the clean-up are starting to diminish.
In Tokyo’s neon Shibuya district, it can sometimes seem like it’s brighter at night than it is during the daytime. In karaoke booths on the twelfth floor—because everything is on the twelfth floor—overlooking the brightly-lit streets, businessmen unwind by blasting out pop hits. It can feel like the most artificial place on Earth; your senses are dazzled by the futuristic techno-optimism. Stock footage of the area has become symbolic of futurism and modernity.
Japan has had a reputation for being a nation of futurists for a long time. We’ve already described how tech giant Softbank, headed by visionary founder Masayoshi Son, is investing billions in a technological future, including plans for the world’s largest solar farm.
When Google sold pioneering robotics company Boston Dynamics in 2017, Softbank added it to their portfolio, alongside the famous Nao and Pepper robots. Some may think that Son is taking a gamble in pursuing a robotics project even Google couldn’t succeed in, but this is a man who lost nearly everything in the dot-com crash of 2000. The fact that even this reversal didn’t dent his optimism and faith in technology is telling. But how long can it last?
The failure of Japan’s robots to deal with the immense challenge of Fukushima has sparked something of a crisis of conscience within the industry. Disaster response is an obvious stepping-stone technology for robots. Initially, producing a humanoid robot will be very costly, and the robot will be less capable than a human; building a robot to wait tables might not be particularly economical yet. Building a robot to do jobs that are too dangerous for humans is far more viable. Yet, at Fukushima, in one of the most advanced nations in the world, many of the robots weren’t up to the task.
Nowhere was this crisis more felt than Honda; the company had developed ASIMO, which stunned the world in 2000 and continues to fascinate as an iconic humanoid robot. Despite all this technological advancement, however, Honda knew that ASIMO was still too unreliable for the real world.
It was Fukushima that triggered a sea-change in Honda’s approach to robotics. Two years after the disaster, there were rumblings that Honda was developing a disaster robot, and in October 2017, the prototype was revealed to the public for the first time. It’s not yet ready for deployment in disaster zones, however. Interestingly, the creators chose not to give it dexterous hands but instead to assume that remotely-operated tools fitted to the robot would be a better solution for the range of circumstances it might encounter.
This shift in focus for humanoid robots away from entertainment and amusement like ASIMO, and towards being practically useful, has been mirrored across the world.
In 2015, also inspired by the Fukushima disaster and the lack of disaster-ready robots, the DARPA Robotics Challenge tested humanoid robots with a range of tasks that might be needed in emergency response, such as driving cars, opening doors, and climbing stairs. The Terminator-like ATLAS robot from Boston Dynamics, alongside Korean robot HUBO, took many of the plaudits, and CHIMP also put in an impressive display by being able to right itself after falling.
Yet the DARPA Robotics Challenge showed us just how far the robots are from truly being as useful as we’d like, or maybe even as we would imagine. Many robots took hours to complete the tasks, which were highly idealized to suit them. Climbing stairs proved a particular challenge. Those who watched were more likely to see a robot that had fallen over, struggling to get up, rather than heroic superbots striding in to save the day. The “striding” proved a particular problem, with the fastest robot HUBO managing this by resorting to wheels in its knees when the legs weren’t necessary.
Fukushima may have brought a sea-change over futuristic Japan, but before robots will really begin to enter our everyday lives, they will need to prove their worth. In the interim, aerial drone robots designed to examine infrastructure damage after disasters may well see earlier deployment and more success.
It’s a considerable challenge.
Building a humanoid robot is expensive; if these multi-million-dollar machines can’t help in a crisis, people may begin to question the worth of investing in them in the first place (unless your aim is just to make viral videos). This could lead to a further crisis of confidence among the Japanese, who are starting to rely on humanoid robotics as a solution to the crisis of the aging population. The Japanese government, as part of its robots strategy, has already invested $44 million in their development.
But if they continue to fail when put to the test, that will raise serious concerns. In Tokyo’s Akihabara district, you can see all kinds of flash robotic toys for sale in the neon-lit superstores, and dancing, acting robots like Robothespian can entertain crowds all over the world. But if we want these machines to be anything more than toys—partners, helpers, even saviors—more work needs to be done.
At the same time, those who participated in the DARPA Robotics Challenge in 2015 won’t be too concerned if people were underwhelmed by the performance of their disaster relief robots. Back in 2004, nearly every participant in the DARPA Grand Challenge crashed, caught fire, or failed on the starting line. To an outside observer, the whole thing would have seemed like an unmitigated disaster, and a pointless investment. What was the task in 2004? Developing a self-driving car. A lot can change in a decade.
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