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Category: Electrical Engineering

Bicycles reacting to speed for stable cycling

Credit: University of Twente A Dutch consortium including the University of Twente developed an electrical bicycle that prevents elderly people from falling. The smart assistive bicycle, called SOFIE, increases stability by via drive-off assistance and by automatically lowering the saddle at low speeds. The UT, Indes and Roessingh Research and Development (RRD) worked together on this science-based bike development. The scientific work of Vera Bulsink, Ph.D. student at the UT, co-developed the design and increased the stability of the prototype.…

Engineers scrap the stethoscope, measure vital signs with radio waves

A radio frequency identification tag. Credit: Cornell University No visit to the doctor’s office is complete without a blood-pressure cuff squeezing your arm and a cold stethoscope placed on your chest. But what if your vital signs could be gathered, without contact, as you sit in the waiting room or the comfort of your own home? Cornell University engineers have demonstrated a method for gathering blood pressure, heart rate and breath rate using a cheap and covert system of radio-frequency…

New computer model sheds light on biological events leading to sudden cardiac death — ScienceDaily

Some heart disease patients face a higher risk of sudden cardiac death, which can happen when an arrhythmia — an irregular heartbeat — disrupts the normal electrical activity in the heart and causes the organ to stop pumping. Arrhythmias linked to sudden cardiac death are very rare, however, making it difficult to study how they occur — and how they might be prevented. To make it much easier to discover what triggers this deadly disorder, a team led by Johns…

Artificial muscles give soft robots superpowers

A demonstration of strength of the artificial muscle. Credit: Shuguang Li Soft robotics has made leaps and bounds over the last decade as researchers around the world have experimented with different materials and designs to allow once rigid, jerky machines to bend and flex in ways that mimic and can interact more naturally with living organisms. However, increased flexibility and dexterity has a trade-off of reduced strength, as softer materials are generally not as strong or resilient as inflexible ones,…

Startup Trexo Robotics takes another step forward with children’ ‘Iron Man’ exoskeleton

Manmeet Maggu and Rahul Udasi, pictured here shortly after completing U of T’s Creative Destruction Lab accelerator program, took home first prize in a Sunnybrook Hospital pitch competition . Credit: Chris Sorensen Just like the purposeful gait of their child-sized robotic exoskeleton, the entrepreneurs behind University of Toronto startup Trexo Robotics are propelling their young business forward one step at at time. Co-founders Manmeet Maggu and Rahul Udasi this week took first prize in a pitch competition organized by the…

Toyota’s Newest Humanoid Partner Robot » Curious Cat Science and Engineering Blog

Toyota’s Newest Humanoid Partner Robot Posted on November 22, 2017  Comments (0) T-HR3 reflects Toyota’s broad-based exploration of how advanced technologies can help to meet people’s unique mobility needs. T-HR3 represents an evolution from previous generation instrument-playing humanoid robots, which were created to test the precise positioning of joints and pre-programmed movements, to a platform with capabilities that can safely assist humans in a variety of settings, such as the home, medical facilities, construction sites, disaster-stricken areas and even outer…

Will Tesla’s Electric Semis Take Over?

Elon Musk’s latest product unveiling, held last week in Hawthorne, California, was done in the accepted fashion of introducing a new product these days, which is for the CEO to stand alone on a stage, backed by giant screens and, if possible, a piece of the subject hardware too.  Musk claimed that the new electric truck he plans to start building in a year or so will travel 500 miles on a single charge.  Critics cited in the New York…

Touch-sensitive avatar-robotic arm based on real-time haptics

Touch sensitive avatar-robotic arm based on real-time haptics developed by Takahiro Nozaki and colleagues at the Keio University Haptics Research Center. Credit: Keio University Researchers at Keio University’s Haptics Research Center have developed a ‘real-time-avatar-robotic arm’ that transmits sound, vision, and highly sensitive feelings of touch to remotely located users. This innovative touch sensitive robotic technology was reported in the October 2017 issue of IEEE Transactions on Industrial Electronics and demonstrated at CEATEC (October 2017, Tokyo). The technology is expected…

Integrated technologies to recover metal and plastic from electronic waste

VTT Technical Research Centre of Finland has developed a new electronic waste recycling concept that combines a range of technologies and reduces waste. One of the technologies included in the concept is gasification, which is used to recover not only metals and rare-earth elements from the waste but also organic components that can be used to produce energy or products, such as plastic and chemicals. VTT has brought together a group of Finnish partners to promote material-efficient production. Vast amounts…

Flexible ‘skin’ can help robots, prosthetics perform everyday tasks by sensing shear force

The flexible sensor skin wrapped around the robot finger (orange) is the first to measure shear forces with similar sensitivity as a human hand — which is critical for successfully gripping and manipulating objects. Credit: UCLA If a robot is sent to disable a roadside bomb—or delicately handle an egg while cooking you an omelet—it needs to be able to sense when objects are slipping out of its grasp. Yet to date it’s been difficult or impossible for most robotic…