Articles tagged with Feedback Control
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers create a novel mathematical framework to control biological noise, enabling precise single-cell control. The 'Noise Robust Perfect Adaptation' technology suppresses stochastic fluctuations while maintaining stable average behavior, with promising applications in cancer therapy and synthetic biology.
Researchers developed novel haptic devices to enable precise robot control with tactile feedback, reducing collisions and improving user proficiency. The devices integrate digital twin technology and augmented reality for enhanced immersion.
Researchers developed an intelligent autonomous robot capable of automating hospital disinfection processes through dual disinfection system, increasing efficiency and precision. The robot's performance was validated through real-world testing, reducing the risk of infection in hospitals.
Researchers at Saarland University and ZeMA are developing smart film actuator technology using thin silicone films that can be precisely controlled to vibrate, flex, or press. These films enable wearable textiles to provide haptic feedback for enhanced VR gaming experiences and industrial gloves to respond to hand gestures.
A new study by Carnegie Mellon University researchers found that real-time AI feedback increases perceived trustworthiness and enhances workers' sense of their own work quality. This leads to increased trust in AI-generated performance ratings, particularly in non-routine work settings.
A randomized clinical trial found that a customized smartphone app, Silvia Program, significantly improved cognitive functioning among residents with mild cognitive impairment. The program's combination of daily goal setting, cognitive training, and AI-generated conversations showed promising results.
A University of Ottawa neuroscientist has led a Canadian research team to discover how neural stem cells integrate signals from different cell types and decode them. The study found that low daughter cell numbers trigger activation, while high numbers keep them in quiescence, offering new insights into cellular relationships and potent...
A study found that pharmacists who received feedback about their heart failure patients increased the frequency of their patient interactions and prescribed more medication adjustments. The intervention, which provided educational resources and monthly audit and feedback emails, led to a significant increase in heart failure management.
Researchers developed a system that uses machine learning to recognize touching on the skin, achieving over 96% accuracy. The EgoTouch tool can detect various types of touch, including force and gesture, and has potential applications for skin-based interfaces and virtual reality.
A Northwestern University-led team developed a new haptic patch that delivers various complex sensations, including vibrations and twisting. The device has potential applications in gaming, virtual reality, healthcare, and sensory substitution, offering more realistic sensory experiences.
Researchers evaluated the learnability of voice-controlled smart speakers, finding users face challenges due to lack of system feedback and response errors. Despite proficiency after repeated attempts, usability issues remained unchanged.
A new surgical procedure reconnects muscles in the residual limb, allowing patients to receive proprioceptive feedback about their prosthetic limb's position. Seven patients who underwent this surgery were able to walk faster, avoid obstacles, and climb stairs more naturally than those with traditional amputations.
Researchers at OIST create a floating platform using graphite and magnets that operates without external power, opening potential for ultra-sensitive sensors and precision measurements. The new material, derived from graphite, overcomes energy loss challenges, allowing the platform to achieve 'frictionless' motion.
Researchers at Nanjing University have developed a miniaturized FSO system achieving an astonishing 9.16 Gbps bandwidth over 1 km link using readily available commercial fiber transceiver modules. The system enables automatic tracking and precision acquisition, eliminating the need for optical amplification.
Researchers at Rice University developed wearable textile-based devices that utilize fluidic control to provide sophisticated haptic cues. The system enables users to navigate through real-world environments using tactile feedback, potentially enhancing visual and auditory inputs for those with impairments.
A soft robotics glove with integrated sensors and AI can aid patients in relearning daily tasks after neurotrauma, including playing music. The glove provides hand guidance, amplifying dexterity and motor skills.
A novel neurofeedback technique was developed to enhance awareness of mind-wandering, allowing individuals to manage this state more effectively. The study demonstrated significant enhancement in awareness after 20 minutes of neurofeedback, with no rewards or punishments used.
Researchers from City University of Hong Kong developed an advanced wireless haptic interface system called WeTac. The system provides a vivid touch experience with personalized tactile sensation data and overcomes the shortcomings of existing bulky gloves.
Researchers identified two components of a fruit fly's flight stabilization system responsible for angular displacement and angular velocity. By studying genetically engineered flies with optogenetics and magnetic perturbation, they found that two muscles control pitch, enabling stable flight.
The article discusses the development status of space robot technology and relevant on-orbit assembly technology. Key findings include the shift from manual to autonomous assembly and the need for advanced motion planning and control methods to achieve high-precision operations.
Engineers at Duke University developed a scalable soft surface that can continuously reshape itself to mimic objects in nature. It uses electromagnetic actuation, mechanical modeling, and machine learning to form new configurations and adapt to hindrances.
Physicists have developed a 'master equation' to understand feedback control at the quantum level, enabling precise real-time control over quantum systems. This breakthrough has the potential to revolutionize quantum technologies by exploiting quantum effects and mitigating fragile system properties.
Researchers developed a video game-based therapy, Recovery Rapids, to aid stroke patients in improving their motor skills from home. The game helped patients adhere to exercises and showed similar outcomes to traditional constraint-induced therapy.
Researchers developed a novel wearable soft robotic armband that conveys artificial sensations of touch to prosthetic hands, enabling users to control multiple grasp functions simultaneously. The study showed improved time efficiency and precision in transporting objects, with haptic feedback being crucial for tasks.
Researchers at the University of Pittsburgh developed a brain-computer interface that uses brain stimulation to evoke tactile sensations, improving control of a robotic arm. The study found that supplementing vision with artificial tactile perception cut the time spent grasping and transferring objects in half.
ETH Zurich scientists create synthetic biology approach to make biotechnological production processes more efficient and regulate hormonal activity through cell therapy. They successfully control bacteria's growth rate despite disruptions, paving the way for applications in medicine, including cancer immunotherapy.
Researchers have developed a control algorithm that regulates electrical current to provide steady sensation in prosthetic arms. The system reduces painful shocks and improves user experience, enabling users to feel touch and pressure, even with electrodes peeling off or sweat building up.
A novel hand-exoskeleton has been developed to help physically impaired individuals, and researchers have found that brainwave control can be improved with feedback. The device uses EEG headsets to measure brainwaves and provide motor control through a combination of user-driven brain-machine interface and proprioception-based feedback.
Researchers have successfully provided basic sensory feedback through artificial electrical signals to enable a patient to control movement while performing a simple task. The study aims to develop closed-loop brain-computer interfaces that enable two-way communication between parts of the nervous system.
A study evaluated 20 popular web apps for collaboration, ranking them based on usability. The top-rated apps include Google Drive, Skype, and Doodle Poll, which excelled in user control, error prevention, and aesthetics.
A study found that an outpatient antimicrobial stewardship intervention lost its initial benefits after discontinuing audit and feedback to clinicians. The program reduced broad-spectrum antibiotic prescribing rates by nearly 50 percent initially, but saw a significant increase in prescriptions after termination of the feedback component.
Researchers have developed a closed-loop fabrication method to tailor graphene into desired edge structures and shapes. The technique uses interaction forces as real-time feedback, allowing for precise cutting control. This innovation has the potential to fabricate large-scale graphene-based nanodevices at low cost with high efficiency.
Researchers at University of Utah designed a new game controller that vibrates and stretches the thumb tips to simulate real-world sensations. The device delivers directional cues by stretching the skin of the thumb tips in different directions.
Researchers at UBC discovered that real-time fMRI feedback significantly enhances people's ability to control their thoughts. By monitoring the brain region responsible for higher-order thoughts, participants could effectively train their brains and improve mental focus.
A web-based screening tool identified unhealthy alcohol use among university students, who received personalized interventions to reduce drinking. After one month, participants showed significant decreases in drinking frequency and volume.
A team led by Johns Hopkins University Applied Physics Laboratory has developed a fully integrated prosthetic arm that can be controlled naturally and provide sensory feedback, with eight degrees of freedom. The prototype, Proto 1, was fitted for clinical evaluations and demonstrated substantial improvements in functional testing.
A study found that feedback on performance given to primary care physicians decreased clinical inertia and improved glucose levels in their patients. The intervention, which included physican-specific feedback and computerized reminders, led to sustained improvements in physician behavior and patient outcomes after three years.