nottingham
Analyzing Gait Adaptation with Hemiplegia Simulation Suits and Digital Twins
Chen, Jialin, Clos, Jeremie, Price, Dominic, Caleb-Solly, Praminda
To advance the development of assistive and rehabilitation robots, it is essential to conduct experiments early in the design cycle. However, testing early prototypes directly with users can pose safety risks. To address this, we explore the use of condition-specific simulation suits worn by healthy participants in controlled environments as a means to study gait changes associated with various impairments and support rapid prototyping. This paper presents a study analyzing the impact of a hemiplegia simulation suit on gait. We collected biomechanical data using a Vicon motion capture system and Delsys Trigno EMG and IMU sensors under four walking conditions: with and without a rollator, and with and without the simulation suit. The gait data was integrated into a digital twin model, enabling machine learning analyses to detect the use of the simulation suit and rollator, identify turning behavior, and evaluate how the suit affects gait over time. Our findings show that the simulation suit significantly alters movement and muscle activation patterns, prompting users to compensate with more abrupt motions. We also identify key features and sensor modalities that are most informative for accurately capturing gait dynamics and modeling human-rollator interaction within the digital twin framework.
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Somatic Safety: An Embodied Approach Towards Safe Human-Robot Interaction
Benford, Steve, Schneiders, Eike, Avila, Juan Pablo Martinez, Caleb-Solly, Praminda, Brundell, Patrick Robert, Castle-Green, Simon, Zhou, Feng, Garrett, Rachael, Höök, Kristina, Whatley, Sarah, Marsh, Kate, Tennent, Paul
As robots enter the messy human world so the vital matter of safety takes on a fresh complexion with physical contact becoming inevitable and even desirable. We report on an artistic-exploration of how dancers, working as part of a multidisciplinary team, engaged in contact improvisation exercises to explore the opportunities and challenges of dancing with cobots. We reveal how they employed their honed bodily senses and physical skills to engage with the robots aesthetically and yet safely, interleaving improvised physical manipulations with reflections to grow their knowledge of how the robots behaved and felt. We introduce somatic safety, a holistic mind-body approach in which safety is learned, felt and enacted through bodily contact with robots in addition to being reasoned about. We conclude that robots need to be better designed for people to hold them and might recognise tacit safety cues among people.We propose that safety should be learned through iterative bodily experience interleaved with reflection.
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Rethinking the Luddites in the Age of A.I.
On December 15, 1811, the London Statesman issued a warning about the state of the stocking industry in Nottingham. Twenty thousand textile workers had lost their jobs because of the incursion of automated machinery. Knitting machines known as lace frames allowed one employee to do the work of many without the skill set usually required. In protest, the beleaguered workers had begun breaking into factories to smash the machines. "Nine Hundred Lace Frames have been broken," the newspaper reported.
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AI in the aircraft: technology to identify fatigue in pilots - Airport Technology
Technology company Blueskeye AI is aiming to improve safety on board aircraft through facial analysing technology which can identify fatigue in pilots. The next phase project will cost £20,000 due to equipment (cameras and microcomputers) programming and analysis time (human resource costs) and rental of a small aircraft and its pilots for testing. By the end of March, the company expects to install a prototype in a two-seater aircraft. This will be used to collect data to inform any improvements, define functional requirements and pursue a larger scale test. Professor Michel Valstar, founding CEO of Blueskeye AI, spoke with Airport Technology about how the technology works and its benefits.
- Transportation > Air (1.00)
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Robotics in the home
The first robots went into space over 60 years ago and robotics have become a familiar sight in many industrial settings, but it took a bit longer for robots to make their way into our homes. Robotic vacuum cleaners first started to make an appearance in homes about 20 years ago now, and according to a recent survey by the UK-RAS Network, 28% of people say that robots are now an occasional part of their everyday lives while 13% say they are fully integrated into their day to day lives. But home robots can do a lot more than clean the floors. Social and assistive robots can offer company and help around the home which can be game-changing for people with limited mobility or dementia. In this special live recording for the UK Festival of Robotics, Claire chatted to Dr. Patrick Holthaus (University of Hertfordshire / Robot House), Prof. Praminda Caleb-Solly (University of Nottingham) and Dr Mike Aldred (Dyson).
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First-Ever Turing Network Development Award for Research Into Artificial Intelligence
Researchers from the University of Nottingham have received the first-ever Turing Network Development Award to focus on making Artificial Intelligence accessible and building trust in its use. The University of Nottingham is one of 24 Universities to receive this new award and was chosen after demonstrating its proven research excellence and track record of translation in data science and AI. The work of the University will now be significantly enhanced through active involvement with the Institute's thriving network. Praminda Caleb-Solly, Professor of Embodied Intelligence will lead the project at the University of Nottingham, working with a coordination and advisory (CaG) group* of AI experts in different application domains from across the university. Praminda said: "There is a huge amount of knowledge and expertise in AI and data science at the University of Nottingham so it is really exciting to receive this award that will provide a unique framework to share and collaborate with other universities across the country. The focus of our network is Accessible [email protected] and our activities aim to build public trust through promoting transparency of AI decision-making. We have designed a series of activities for pro-active engagement and aim to empower people to be confident in accessing, understanding, and exploiting data."
AI software will help clinicians diagnose lung cancer earlier and reduce waiting lists for patients
A new artificial intelligence software that will help doctors to make quicker and more accurate decisions when diagnosing potentially cancerous lung legions, has received major government funding. The lung cancer predication AI software, Virtual Nodule Clinic (VNC), which has been developed by Optellum (Oxford, UK), will examine lung nodules to determine whether they are benign or malignant. The pioneering AI solution has been shown to outperform existing methods to predict malignancy in nodules in a multi-center study conducted by Nottingham, Oxford and Leeds clinicians with results published in BMJ Thorax last year. Lung cancer is the leading cause of cancer deaths in the UK, accounting for 21% of all cancer deaths in any one year. When diagnosed at an early stage, almost 57% of people in the UK with lung cancer will survive their disease for five years or more, compared with only 3% when the disease is the latest stage. Currently, around three-quarters of lung cancer cases are diagnosed at a late stage in the UK, although the survival rate for small tumours treated at Stage IA is up to 90%.
Here's how Breeze, 'Valorant's' newest map, was built
On Friday, influencers and press crowded into an exclusive Discord server to organize groups of ten for custom matches on "Valorant's" upcoming map, Breeze. Amid hushed conversations about soon-to-be-leaked roster changes and complaints about worsening sleep schedules, there was a general sensation of optimism, one that had been noticeably absent the last time Riot Games released a "Valorant" map. Maybe it was just the sunshine talking. Breeze, inspired in part by creative director David Nottingham's time living in Trinidad, unleashes "Valorant's" agents upon a tropical playground. Look up; aren't those seagulls hovering overhead?
A space-indexed formulation of packing boxes into a larger box
Allen, Sam D., Burke, Edmund K., Marecek, Jakub
Problems in dimension three with rotations around combinations of axes in multiples of 90 degrees are of particular interest in many natural applications. Let us fix the order of six such allowable rotations in dimension three arbitrarily and define: The Container Loading Problem (CLP): Given dimensions of a large box ("container") x, y, z 0 and dimensions of n small boxes D
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Pilot 'draws' Pac-Man, Ghost with flight route over coast of England
U.S. Department of Defense and United Airlines conduct study and find the risk of exposure to coronavirus on commercial airlines is'virtually nonexistent'; Fox News correspondent Bryan Llenas reports. We're not sure this pilot should be flying with such an incurable case of Pac-Man fever. A pilot flying over the Lincolnshire, England, paid homage to one of their favorite arcade games on Sunday by drawing Pac-Man -- complete with one of Pac-Man's nemesis ghosts -- with their flight path. The flight, which took off from Retford Gamston Airport (EGNE) in Nottingham at 11:35 a.m., lasted about an hour and a half. The flight, which took off from Retford Gamston Airport (EGNE) in Nottingham at 11:35 a.m., lasted about an hour and a half, according to FlightRadar24.
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