Month: February 2023

Enhancing Wearable Tech

The pocket watch, the original smart wearable.

Remembering the Humble Origins of Today’s Smart Watches

Eyeglasses. Some might argue they were the first piece of wearable tech. But not everyone wears glasses. So many see the most influential piece of wearable tech as 1462’s first pocket-watch, then termed a pocket clock. The first pocket clocks were made by the Swiss. Why? Well, Geneva’s jewelers needed something to create and, of course, sell when John Calvin’s 1541 sumptuary laws banned the wearing of jewelry. When these bauble makers retooled their skillset, they started the Swiss watchmaking industry.

Watches, which were out of sight, tucked under clothing, or stuffed into pockets, didn’t count as jewelry. They had a purpose, after all. The first wrist watch, created in 1810, was made for the Queen of Naples by Brequet. That’s right; the first wrist watches were invented for ladies because it would be impractical for men to frivolously expose their wrists and time pieces to the elements.

19th century ingenuity eventually sped up the evolution of wrist watches, with the first automatic one invented in 1904. But the mass-production of watches didn’t happen until 1923. In other words, modern wrist watches are just a little over a century old. Eventually there came water-proofing, quartz movements, electric versions, and digital read outs.

It wasn’t only the mechanics of watches that evolved, so did their impact on our lives. These things on our wrists transformed from devices that helped us keep schedules (and get out of awkward conversations: “Oh my, look at the time; I gotta run!” ) They are now our organizers, personal trainers, fitness trackers, health monitors, communication managers, entertainment machines, and even purchasers. Just as robots have transformed the workplace, watches have changed and reorganized our lives.

Pushing Out the First Smart Watches

But the smart watch as we now know it had some very awkward (and unusable) beginnings.

The Ruputer

Seiko launched the Ruputer or on-hand computer in 1998. This hefty watch could run apps and connect to your PC through a docking station. It had an 8-way joystick that allowed you to write memos, make calendar appointments, use a calculator, and update your lists. But its 2-inch screen, only 102 x 64 LCD, limited its usability. And it ran on standard watch batteries that died very quickly if you unwarily attempted to use too many of these smart features simultaneously.

Play 1st Gen Smart Watch – Seiko Ruputer (Matsucom OnHand PC) Retro Review video
Preview image for 1st Gen Smart Watch - Seiko Ruputer (Matsucom OnHand PC) Retro Review video

1st Gen Smart Watch – Seiko Ruputer (Matsucom OnHand PC) Retro Review

https://www.engadget.com/seiko-ruputer-first-smartwatch-133015434.html

The Original Garmin

The original Garmin Forerunner, one of the first smart running watches and wearable fitness tracker.
A Dusty Old Garmin

Although I didn’t have one of the Ruputers, I was the proud owner, in 2003, of the original Garmin Forerunner.

The device measured 8.28 x 4.35 x 2.3 centimeters (or 3.3 inches x 1.74 x .9 inch). And it weighed about 72g without the strap (approximately 2.5 ounces).

In other words, it was about the size and weight of a pack of cards, or a small brick, that sat rather clumsily on one’s wrist.

My friend Micheline, an early adopter, exclaimed, “I remember that watch; I could actually see my running pace!” And so could everyone else, from at least ten feet away, which made running races, well, interesting.

To top it off, the original Garmin Forerunner beast ran on two AAA batteries. If you were lucky, you got 14-15 hours of working time. So, many of us trudged over to Radio Shack and rather grumpily invested in lithium batteries and a recharger.

At that time, Garmin had been a leader in the GPS market since 1990, so many anxiously awaited this watch. The Forerunner came with built-in GPS, maps (routes, history, waypoints/favorites/locations), along with a handful of training, planning, analysis and cycling features. Many thought these apps constituted information overload. Little did we know what lied ahead.

The Popularity of Smart Watches

20 years later, Garmin still has a fleet of advanced watches that offer the above features and more. Users can purchase watches with apps for counting calories, measuring stress, monitoring sleep, tracking body temperature and heart rate, and so on. In fact, these and other features are standard fare in many smart watches and wrist bands. And people rely on these devices daily. In fact, 25% of US women and 18% of US men wear some sort of fitness tracker, according to a 2022 survey.

Despite Garmin being one of the first on the scene, the biggest share of the US smart watch market (over 50%) goes to Apple, which has taken wearable tech to the next level. Following Apple are the companies Fitbit (30%), which made its name with its slim fitness trackers; Samsung (21%), Garmin and LG (9% each). However, among many runners, Garmin still remains one of the more trusted brands.

Developing Other Smart Wearables

As impressive as these contemporary watches are, wearable tech has also moves far beyond them.

Clothing

Designers and engineers have been hard at work developing wearable smart clothing that prevents injury and workplace accidents. Take SolePower boots, for example. This footwear is supposed to reduce or eliminate on-the-job injuries. How? The boots contain technology that monitors the wearer’s real-time location, environmental conditions, and even fatigue. The company claims that boot-wearers have advanced situational awareness, which is supposed to improve workplace safety.

Beyond boots, smart clothing is another form of wearable technology that incorporates sensors and other electronics into fabric, tracking physiological signals (heart rate, body temperature, and respiration) and providing feedback to the user.

Some brands, such as Sensoria and Athos, analyze user performance and activity metrics, such as heart rate, steps taken, calories burned, and distance traveled. Others, such as Spire, send ongoing, real-time health statistics to medical professionals to monitor health conditions.

This clothing can also connect to other devices such as smartphones, tablets, and laptops.

A person wearing a piece of wearable tech: an Athos smart shirt.
Athos Shirt, Picture by Unknown Author, Licensed Under CC BY-SA-NC

Applications of Smart Fabrics

And there are other potential applications of smart clothing as well. These include tracking location, helping wearers find assistance when they are lost or in danger, detecting injuries and falls, and alerting emergency contacts.

And perhaps because of the versatility and potential applications of these fabrics and garments, the demand for them is growing. According to Statista, although the global worth of smart fabrics is about 2 billion, it will grow to 7 billion by 2027.

And research on smart fabrics has been done right here at Michigan Tech. Dr. Yoke Khin Yap, Professor of Physics, Affiliated Profess of Materials Science and Engineering, and MTU Faculty Fellow, has previously worked on Boron Nitride Nanotubes (BNNTs) to create a efficient, strong, and stable electronic fabric.


Example of what current smart watches can do: an analysis of the author’s fitful sleep.

“I have no doubt that in the future, wearable devices like Fitbit will know my blood pressure, hydration levels and blood sugar levels as well. All of this data has the potential to transform modern medicine and create a whole new era of personalized care.”

Michael Dell, founder, CEO, and chairman of Dell Technologies

Medical Devices and Sensors

Then there are wearable medical devices and sensors, which are small, lightweight, unobtrusive devices. People use these to monitor and measure a variety of medical conditions and to track vital signs such as heart rate, blood pressure, and body temperature. They can also measure activity levels, sleep patterns, and other physiological data. Additionally, they can be used to monitor and deliver medication, provide real-time access to medical information, and provide feedback on lifestyle changes.

Examples of wearable medical devices and sensors beyond smart watches include hearing aids, insulin pumps, devices for respiratory therapy and sleep apnea, non-invasive ventilation devices, continuous glucose monitoring devices, blood pressure monitors, cardiac and heart rate monitors, and wearable pulse oximeters. One of the most impressive of these, which bridges a high-end medical device and a smart watch, is the blood-pressure measuring Omron HeartGuide. It supposedly can take your blood pressure in thirty seconds.

And the manufacturers of these devices and sensors are many: Sorrel Medical, Willow, Medtronic, Johnson and Johnson, Siemens AG, Omron, Nokia, Samsumg, and Hoffman-La Roche are just a few of the players. In fact, 85 million wearable medical devices and sensors were shipped in 2021. This number is expected to almost double by 2024.

Medical sensors, smart watches, and other health-tracking wearables are just a few transformational trends in electronics that are worthy of following.

Robots in the Workplace

Two large orange robotic arms in a factory setting.

Robots at Work

A robotic guard dog (or robodog) stationed in an abandoned warehouse relentlessly chases intruders across a barren, post-apocalyptic landscape. Armed with tracking weapons, highly sophisticated sensors, and artificial intelligence, this robodog does not give up its hunt easily.

To avoid spoilers, that is about all I will say about “Metalhead,” the fifth, and arguably, most terrifying episode of season one of the series Black Mirror. Although many have debated the episode’s meaning, one possible interpretation is a gruesome picture of what might happen if evolved, intelligent, unchecked robots ruled the workplace. And if they took their jobs, well, maybe a little too seriously.

The good news is that there are currently no rogue robodogs guarding warehouses and going on killing sprees. However, robots have been in industry for half a century. The effects of this integration, though certainly less sinister, have troubled a few. That is, one of the most popular searches on Google is this question or variations of it: “Will robots take our jobs?”

The answer is complicated: yes, no, and they already have. And the situation might be better or worse than you think.

Making Manufacturing Easier

When many of us contemplate robots in the workplace, we might think of Amazon. This company operates over 100,000 robots on its various factory floors. Autonomous mobile robots (AMRs) pick, sort, and transport orders; robotic arms pack items; and autonomous ground vehicles navigate the huge warehouses.

However, on the global stage, Amazon is somewhat of a bit player. FoxConn, a Chinese electronics manufacturer, currently has over 300,000 robots in use for assembling its products. These robots help create phones, computers, tablets, and gaming consoles for companies such as Amazon, Microsoft, and Samsung.

But the electronics industry was not the first to integrate robots into the workplace: the automotive industry was. It took a chance on and then popularized the first industrial robot: Unimate.

Unimate was the creation of Joseph Engelberger, whom many call the father of robotics. Inspired by Isaac Asimov and his vision of robot helpers, Engelberger strove to create robots that would improve manufacturing while making workers’ lives easier.

In 1959, General Motors installed the first prototype of Unimate #001 in its Trenton, New Jersey plant. Weighing a whopping 2700 pounds, this robot’s primary job was diecasting.

The Original Unimate: an industrial robot.
The Original Unimate.

And only a decade later, GM’s rebuilt factory in Lordstown, Ohio, housed an army of spot-welding robots. These robots could build 110 cars an hour, which was double the manufacturing rate at that time.

Choosing the Right Robots for the Job (or Jobs)

An automated machine that does just one thing is not a robot. It is simply automation. A robot should have the capability of handling a range of jobs at a factory.

Joseph Engelberger

Perhaps Engelberger’s dream is best satisfied by articulated robots, equipped for several jobs. With their flexibility, dexterity, and reach, these robots are adept at assembling, packaging, palletizing, welding, and more. Palletizing robots perhaps perform one of the most annoying and dangerous of tasks in a warehouse environment: stacking stuff. These hefty robotic arms spend all day neatly piling items onto pallets.

Other common robots include SCARA (Selective Compliance Articulated Robot Arm). SCARAs perform actions between two parallel planes or assemble vertical products. Delta (spider robots) excel at high-speed actions involving light loads.

And then there are Cartesian robots, or gantry robots. They “have an overhead structure that controls the motion in the horizontal plane and a robotic arm that actuates motion vertically. They can be designed to move in x-y axes or x-y-z axes. The robotic arm is placed on the scaffolding and can be moved in the horizontal plane.” It also has an effector or machine tool attached to its arm, depending on its function. This article goes into greater detail about the four types of robots that manufacturers should know and use.

The automotive industry (as does much of manufacturing) uses robots to spot-weld, pick, paint, and palletize–boring, yet dangerous jobs. Jeff Moore, Volvo’s vice president of manufacturing in the Americas, says that welding, “with all the heat and sparks and high current and things is a natural spot to be looking at where you can more heavily automate.” However, for intricate work on the assembly line, such as attaching hoods, bumpers, and fenders, “the human touch has a lot of advantages.

Integrating Robots and Automation

But these metal workers do not just assemble cars and create heavy-duty products. Robots and automation also assist in other industries, such as in agriculture and food production.

Helping With Agriculture and Food Production

In agriculture, for instance, robots may plant, harvest, spray crops, control weeds, analyze soil, and monitor crops. And when it comes to agricultural equipment, some of the biggest players are John Deere, AGCO, CNH Industrial, and Kubota. These companies are also investing in robotics and automation; as well as tractors, drones, and data analytics to improve efficiency and crop yield and to reduce costs. Recently, for instance, Trimble and Horsch collaborated to build an autonomous sprayer.

And in food production, robots might slice, package, and label products at a much more rapid rate than humans. For instance, the global food production and processing company Cargill heavily uses robotic automation. It invented the first robotic cattle herder. Cargill and Tyson Foods, in fact, are also moving heavily into automation and cobots for meat production.

Lucy and Ethel working on an assembly line at a chocolate factory.

In one of the more famous and humorous episodes of I Love Lucy, Lucy and Ethel get employment at a candy factory. Their job: keeping up with increasing production and quickly wrapping candy as it rolls down the belt. They fail miserably as the line picks up, shoving candy in their mouths, their pockets, and even their dresses. Well, thanks to robots, inadequately trained (and slower than ideal) humans will no longer have to keep pace by eating the profits. Their tasks might be made easier by cobots.

Recently, “cobots” or modular, agile, collaborative robots have been the focus of robot manufacturers. Rather than replace workers, cobots work alongside their human employees. Armed with sensors and sophisticated feedback equipment, cobots respond to changes in the workflow and help their human partners perform tasks accurately and safely. Some experts predict that the cobot market (currently valued at $1.1 billion) will expand to $9.2 million by 2028).

Performing Tedious and Dangerous Tasks

Robots can also complete tasks that are too tedious for humans, such as inspecting pipelines or sorting items. Additionally, they can monitor and analyze data in real time, allowing workers to make better informed decisions. In the oil and gas industry, for instance, robots inspect pipelines and inspect wells.

And it is not just repetitive and boring tasks, either. That is, another argument in favor of robots in the workplace is that they can perform hazardous tasks, such as working in extreme temperatures and dangerous environments; and cleaning up harmful materials.

One of of the most recently developed robots who might be fit for these tasks is MARVEL, appropriately named because of its superhero abilities. MARVEL is an acronym for Magnetically Adhesive Robot for Versatile and Expeditious Locomotion.

The brainchild of a research team from the Korea Advanced Institute of Science and Technology (KAIST), this robot is equipped with magnetic foot pads that can be turned on or off.

Researchers and MARVEL at KAIST

With these specialized feet, MARVEL can rapidly climb steel walls and ceilings, at speeds of 50 cm to 70 cm a second. Its design and speed make it appropriate for several tricky tasks requiring nimbleness, such as performing inspections and maintenance on high structures (bridges, buildings, ships, and transmission towers.)

Imagine, for a second, MARVEL safely performing maintenance on the Houghton lift bridge while it is still operational. No need to block off one lane and slow down the flow of traffic. No need to be late for work!

Taking Our Jobs? Maybe.

We are approaching a time when machines will be able to outperform humans at almost any task. I believe that society needs to confront this question before it is upon us: if machines are capable of doing almost any work humans can do, what will humans do?

Moshe Vardi

One of the most obvious downsides to incorporating robots in the workplace is that they will lead to job losses. That is, some experts estimate that as many as 20 million job losses will result as companies continue to rely on automation.

Critiquing Robots and Automation

Futurist and New York Times best-selling author Martin Ford has probably been the most vocal about the negative economic and social impacts of automation and robotics.

He has written Rule of the Robots: How Artificial Intelligence will Transform Everything (2021), Architects of Intelligence: The Truth About AI and the People Building it (2018), and Rise of the Robots: Technology and the Threat of a Jobless Future (2015).

Ford has argued that automation and robotics will result in job losses, wage stagnation, and widening inequality. These effects, which will be felt most acutely by low-skilled and middle-skilled workers, will also weaken worker bargaining power.

Cover of Martin Ford's book "The Rise of the Robots"

Alleviating These Problems

But there are solutions. That is, Ford has advocated that governments should prepare for and then take steps to address the issues posed by robotics and automation. Governing bodies could provide better access to education and new job training, invest in infrastructure, promote job-sharing, and provide more generous unemployment benefits.

To alleviate inequities caused by increasing automation, Ford has urged governments to create tax incentives that encourage employers to hire people and train them in the use of robots; or for companies to invest in robots designed to complement rather than replace human workers (such as cobots). He has also supported a basic monthly income for citizens so that everyone has a decent standard of living. How will this monthly income be funded? By taxing companies that use robots, or taxing the robots themselves to generate this income.

MIT professors Erik Brynjolfsson and Andrew McAfee, who wrote The Second Machine Age: Work, Progress, and Prosperity in a Time of Brilliant Technologies, also summarized the second machine age and evaluated in terms of its positive benefits (“bounty”) and increasing inequality (“spread”). After stating that the spread of technology is causing greater inequality, they proposed some similar policy interventions.

Defending Robots in the Workplace

Critics of Ford, McAfee, and Brynjolfsson, such as economists Lawrence Summers and Robert Gordon, and industry expert Jeff Bezos, take a contradictory perspective. They argue that robots and automation will create more jobs than they destroy. These technologies, they contend, will also lead to advanced productivity and efficiency, improved demands for goods and services, and, therefore, increased employment. Robots can also help reduce costs, which could lead to increased profits for companies and more jobs overall.

Summers takes a slightly different stand, affirming that robots could increase production and therefore benefit the economy and improve employment. However, governments should still invest in education and job training to ensure that workers have the skills needed to take advantage of the opportunities created by both automation and robotics.

Futurists at the Information Technology and Innovation Foundation (ITIF) have sung the praises of robots and automation for years. Their experts content that robots and automation will enhance productivity and reshape global supply chains. New production systems, they claim, will bring more (not less) manufacturing work to the United States.

And then there are the numbers, which currently don’t look that fearful. According to the International Federation of Robotics, in the United States, there were only 255 robotic units per 10,000 employees. Although 47% of CEOs are investing in robots (according to a poll by Forbes, Xometry, and Zogby), robots still only have a 2% presence in industry.

Whatever the industry, it is obvious that robots can increase both efficiency and safety. They can work 24/7. They won’t tire during a 16-hour shift, get repetitive stress injuries, or have fatigue-related workplace accidents. Robots can also increase output capacity by helping American manufacturers save on utilities and worker resources, so that they can compete more effectively with offshore companies.

Preparing for an Automated and Robotic Future

Robotic arm in a lab at Michigan Tech.

This blog has just scratched the surface of robots in the workplace. That is, it didn’t discuss robotic doctors, such as the impressive Davinci Surgical System. Also, I don’t pretend to be an expert here, just an ex Sci-Fi teacher fascinated with the robotic present and future.

Those who want to prepare for a future in robotics and automation can learn more by taking several educational paths at Michigan Tech. MTU offers major and minor degrees in computer engineering, data acquisition and industrial control, electrical and computer engineering, mechanical engineering, and robotics engineering.

More specifically, there is mechatronics: a field of engineering that combines mechanical, electrical, and computer engineering to create systems that can interact with the physical world. Mechatronic systems consist of sensors, actuators, and control systems. These systems are fundamental to creating robots and other automated systems. Students in this program can also join the Robotics Systems Enterprise “to solve real-world engineering problems.”

Through Global Campus, Michigan Tech also offers several related online graduate certificates in artificial intelligence in healthcare, manufacturing engineering, the safety and security of autonomous cyber-physical systems, and security and privacy in healthcare. And if you’re interesting in earning an online master’s degree, please check out our MS in Electrical and Computer Engineering or our online Mechanical Engineering programs, both MS and PhD.

Electric Vehicles: Moving Beyond Tesla

Parking lot spot with an icon for electric vehicles.

Increasing Demand for Electric Vehicles

In a previous blog, I discussed some of the challenges and constraints regarding the future of electric vehicles. But despite certain challenges, such as a need for more charging stations, the demands for electric and hybrid vehicle sales are, respectively, either climbing or staying steady.

In fact, in the third quarter of 2022, US sales of electric vehicles and hybrid-plug-in electric vehicles hit an all-time high. According to a Kelley Blue Book report, the total number of electric vehicles and fuel-cell electric vehicles (fcevs) sold was 578,402. That number marks a 69% increase from 2021 (339, 671). Also, the total number of hybrid and plug-in vehicles sold was 686,271, which is actually strong but slightly down from 2021 numbers (728, 507). Based on these figures, Kelley Blue Book estimates that there will be over 1,000,000 EVs sold in 2023.

What these numbers mean is that although the demand for hybrids is still strong, the popularity of electric vehicles is accelerating, despite the fact that these latter vehicles aren’t cheap. That is, the average cost of an electric vehicle remains over $65k.

Tesla continues to be the leader with its models 3, S, X, & Y all having dramatically increased sales, despite their hefty price tags.

Producing Electric Vehicles for Different Users

“While EV prices currently align more closely with luxury versus mainstream, the market continues to grow and evolve with more choices hitting the scene all the time. It’s no longer just ‘which Tesla is available,’ but rather an industry-wide boom with more EVs on the horizon from Ford, GM, Hyundai, and other manufacturers.”

Brian Moody, Kelley Bluebook

In other words, it is not just Tesla winning at the electric vehicle game. Based on year-to-date sales numbers, some of the other solid contenders for improved sales were the following:

  • Mini Cooper: 2,615 (2022) vs. 1,226 (2021) = +113%
  • Ford Mustang Mach-E: 28,089 (2022) vs. 18,855 (2021) = +49%
  • Audi e-tron: 10,828 (2022) vs. 7.7939 (2021) = +38.9%
  • Mini Cooper: 1,099 (2022) vs. 488 (2021) = +125%

On the hybrid and plug-in hybrid front, overall sales remained relatively steady. But some companies experienced huge gains: Acura, BMW, Honda, Toyota, and Volvo. The big winner in the hybrid market, however, was moderately priced Lincoln Corsair, which had 7X as many sales as those of the previous year.

Meeting the EV Challenge with Trucks

Beyond SUVs like the Lincoln Corsair, the next trend on the horizon is electric trucks. The F-150, currently the best selling vehicle in the US, now has an electric version. The F-150’s more climate-conscious cousin, the Lightning, was rolled out in May 2022 after tens of thousands of Americans had already reserved one. (The F-150 also comes in a hybrid model.)

What’s even cooler: The F-150 Lightning can act as its own power source. With its vehicle-to-grid (V2G) capabilities, it has the ability to charge another electric vehicle. And its massive battery can also power your home, yes your home, during an outage. Ford claims, in fact, that a fully charged Lightning can keep a household going for three days.

Chevrolet followed quickly with its Silverado, built on the same electric platform as the Hummer EV. With the EV Silverado, you can also purchase an ultium charging accessory to power your home in emergencies. Both of these innovative products support GM’s goals of creating a more resilient grid. The company is also investing 750M in charging infrastructure, so that everyone can take advantage of what electric vehicles have to offer.

With site hosts and our dealers, we are installing up to 40,000 chargers in local dealers’ communities through GM’s Dealer Community Charging Program—focusing on underserved rural and urban areas. Participating dealers will get level 2 chargers to install in their communities.

GM Newsroom

Pursuing Electric Vehicle Education at Tech

I’ll stop geeking out here about the plethora of new electric vehicles on the horizon. And I’ve obviously just scratched the surface of the automotive future. (In fact, as I was editing this post, one of my former students excitedly chimed in about the 2024 GM E-ray, a snazzy, sleek, powerful electric Corvette!)

The main point is that several automotive companies, beyond Tesla, are thinking greener and rolling out electric and hybrid models to meet the different needs, lifestyles, and, especially, price points of consumers. In other words, what many thought was a trend–vehicle electrification–is now both a business strategy and an environmental mission for several automotive companies. And it is a strategy and a mission that Michigan Tech can help prepare you for.

Michigan Tech offers several online graduate certificates and programs so that you keep up with the mobility revolution.