Researchers demonstrate the use of forecasting haptic feedback to overcome distance limit in human-to-machine applications
A Tactile Internet is potentially the next phase of the Internet of Things, in which humans can touch and interact with remote or virtual objects while experiencing realistic haptic feedback.
A team of researchers led by Elaine Wong at the University of Melbourne, Australia, developed a method for enhancing haptic feedback experiences in human-to-machine applications that are typical in the Tactile Internet.
The researchers believe their method can be used for forecasting proper feedback in applications ranging from electronic healthcare to virtual reality gaming.
Wong and her colleagues will present their proposed module, which uses an artificial neural network to forecast the material touched, at the Optical Fiber Communication Conference and Exhibition (OFC), to be held 8-12 March 2020 at the San Diego Convention Center, California, U.S.A.
Depending on the dynamicity of the interaction, an optimum human-to-machine application may require a network response time as short as one millisecond.
"These response times impose a limit on how far apart humans and machines can be placed," said Wong. "Hence, solutions to decouple this distance from the network response time is critical to realizing the Tactile Internet."
As a step toward this goal, the team trained a reinforcement learning algorithm to guess the appropriate haptic feedback in a human-to-machine system before the correct feedback is known. The module, called the Event-based HAptic SAmple Forecast (EHASAF), speeds up the process by providing a touch response based on a probabilistic prediction of the material the user is interacting with.
"To facilitate human-to-machine applications over long distance networks, we rely on artificial intelligence to overcome the effects of long propagation latency," said Sourav Mondal, an author on the paper.
Once the actual material is identified, the unit adapts and updates its probability distribution to help choose the proper feedback looking forward.
The group tested the EHASAF module with a pair of virtual reality gloves used by a human to touch a virtual ball. The gloves contain sensors on the fingers and wrists to detect touches and track movements, forces and the orientation of the hand.
Depending on which material ball the user chooses to touch of the four virtual options provided, the feedback from the glove should vary. For example, a metal ball will be firmer than a foam ball. When a neural network determines that one of the fingers has touched the ball, the EHASAF module begins cycling through feedback options to generate until it resolves the actual material of the chosen ball.
Currently, with four materials, the prediction accuracy of the module is about 97%.
"We think it is possible to improve prediction accuracy with a greater number of materials," said Mondal. "However, more sophisticated artificial intelligence-based models are needed to achieve that."
"More and more sophisticated models with improved performance can be developed based on the fundamental idea of our proposed EHSAF module," Mondal said.
These results and additional research will be presented onsite at OFC 2020.
Hear from the Research Team
"Remote Human-to-Machine Distance Emulation through AI-Enhanced Servers for Tactile Internet Applications," S. Mondal, et al., Monday, 9 March 2020, Room 1A, 9:30 a.m. PDT
Register before 10 February 2020 and save on a full technical conference pass. Credentialed media and analysts who wish to cover OFC 2020 can find registration and other essential information in the OFC media room.
The Optical Fiber Communication Conference and Exhibition (OFC) is the largest global conference and exhibition for optical communications and networking professionals. For more than 40 years, OFC has drawn attendees from all corners of the globe to meet and greet, teach and learn, make connections and move business forward. OFC includes dynamic business programming, an exhibition of more than 700 companies, and high impact peer-reviewed research that, combined, showcase the trends and pulse of the entire optical networking and communications industry. OFC is managed by The Optical Society (OSA) and co-sponsored by OSA, the IEEE Communications Society (IEEE/ComSoc), and the IEEE Photonics Society. OFC 2020 will be held from 8 - 12 March 2020 at the San Diego Convention Center, California, USA. Follow @OFCConference, learn more at OFC Community LinkedIn, and watch highlights on OFC YouTube.
About The Optical Society
Founded in 1916, The Optical Society (OSA) is the leading professional organization for scientists, engineers, students and business leaders who fuel discoveries, shape real-life applications and accelerate achievements in the science of light. Through world-renowned publications, meetings and membership initiatives, OSA provides quality research, inspired interactions and dedicated resources for its extensive global network of optics and photonics experts. For more information, visit osa.org.
Charles Blue | EurekAlert!
Powering the future: Smallest all-digital circuit opens doors to 5 nm next-gen semiconductor
18.02.2020 | Tokyo Institute of Technology
Artificial intelligence is becoming sustainable!
17.02.2020 | Politecnico di Milano
Most natural and artificial surfaces are rough: metals and even glasses that appear smooth to the naked eye can look like jagged mountain ranges under the microscope. There is currently no uniform theory about the origin of this roughness despite it being observed on all scales, from the atomic to the tectonic. Scientists suspect that the rough surface is formed by irreversible plastic deformation that occurs in many processes of mechanical machining of components such as milling.
Prof. Dr. Lars Pastewka from the Simulation group at the Department of Microsystems Engineering at the University of Freiburg and his team have simulated such...
Investigation of the temperature dependence of the skyrmion Hall effect reveals further insights into possible new data storage devices
The joint research project of Johannes Gutenberg University Mainz (JGU) and the Massachusetts Institute of Technology (MIT) that had previously demonstrated...
Researchers at Chalmers University of Technology, Sweden, recently completed a 5-year research project looking at how to make fibre optic communications systems more energy efficient. Among their proposals are smart, error-correcting data chip circuits, which they refined to be 10 times less energy consumptive. The project has yielded several scientific articles, in publications including Nature Communications.
Streaming films and music, scrolling through social media, and using cloud-based storage services are everyday activities now.
After helping develop a new approach for organic synthesis -- carbon-hydrogen functionalization -- scientists at Emory University are now showing how this approach may apply to drug discovery. Nature Catalysis published their most recent work -- a streamlined process for making a three-dimensional scaffold of keen interest to the pharmaceutical industry.
"Our tools open up whole new chemical space for potential drug targets," says Huw Davies, Emory professor of organic chemistry and senior author of the paper.
Superconductivity approaching room temperature may be possible in hydrogen-rich compounds at much lower pressures than previously expected
Reaching room-temperature superconductivity is one of the biggest dreams in physics. Its discovery would bring a technological revolution by providing...
12.02.2020 | Event News
16.01.2020 | Event News
15.01.2020 | Event News
18.02.2020 | Power and Electrical Engineering
18.02.2020 | Information Technology
18.02.2020 | Physics and Astronomy