Articles tagged with Motion Sensors
A new laboratory method uses a high-accuracy ball delivery device and speed measurement system to provide better clues on exactly how high and far baseballs will fly. The technique allows for more precision than traditional wind tunnel measurements by firing the baseballs through a line of sensors, measuring the change in speed as they...
A new HMI system, Robotic VR, allows users to teleoperate robots with precision and feel, enabling complicated tasks such as Covid-19 swab tests and patient care. The system provides immersive feedback via Bluetooth, Wi-Fi, and the internet.
Researchers at the University of Missouri are using a $2 million grant to install in-home sensors that monitor older adults' daily activities. The sensors can detect falls, track vital signs, and alert care teams to abnormalities, enabling timely interventions.
A new study by the University of Plymouth has demonstrated the potential of gait authentication to protect smartphones from cyber crime. The system achieved an average accuracy rate of around 85% in recognizing individuals' stride patterns, with rates rising to almost 90% when participants were walking normally and fast.
Researchers have developed a high-resolution radar sensor that can reliably distinguish between cars and pedestrians, providing counts, speed, and direction of each moving target. The sensor outperforms cameras in low-visibility conditions and beats conventional radar by providing a richer picture.
Researchers developed an interactive system using floor projections that respond to the player's movements to encourage children's imagination and engagement. The system was evaluated in a study, revealing that unrealistic interactions stimulate children's imaginations more than realistic interactions.
Researchers developed a simple screening tool for cervical myelopathy (CM) using machine learning and finger motion analysis with a non-contact sensor. The tool has shown high accuracy in detecting CM, outperforming specialist diagnoses based on physical findings.
Developers have created a mathematical model to calibrate rotary encoders, used in precise rotations like antennas and telescopes, with high accuracy. The approach uses a dynamic goniometer as a reference sensor to process data and provide a versatile calibration method for various encoder types.
A new study reveals that people with dyslexia sample visual information slower and with more difficulty when reading. The researchers found a direct link between eye movements and reading speed in individuals with the learning disorder.
Researchers have designed a cloud-based autonomous system framework utilizing the standard messaging protocol for IoT. This framework maximizes network coverage area and increases speed of communication between unmanned sensors. The team plans to add computer vision and machine learning capabilities in future developments.
Researchers have developed a new model to help autonomous vehicles navigate intersections with obstructed views, reducing the risk of collisions. The model estimates risks based on factors like sensor noise, driver awareness, and occlusions.
Researchers have developed a class of breakthrough motion sensors that could herald a near future of ubiquitous, fully integrated and affordable wearable technology. The sensors are made using buckypaper, a material composed of razor-thin, flexible sheets of pure carbon nanotubes.
A study by WSU researchers found that occupants often waste energy due to poor understanding of building systems. The researchers designed more efficient buildings with occupants' needs in mind, incorporating features such as signaling systems and feedback mechanisms to reduce energy consumption.
Computer scientists in Saarbræcken have created an electric version of Karl von Drais' 200-year-old bicycle, dubbed the Draisine 200.0, to test the validity of mathematical proofs and improve e-bike software safety.
Researchers identified synaptotagmin 2 as the primary calcium sensor responsible for rapid neurotransmitter release in GABAergic synapses, enabling fast signaling speed and precision. This discovery has significant implications for our understanding of microcircuits and motor control in the brain.
Researchers found that video monitoring can detect nocturnal seizures, particularly tonic seizures, but the added value is limited due to high costs. The study suggests developing less costly and invasive devices to improve detection while addressing privacy concerns.
Researchers developed a non-wearable sensor system to measure walking patterns and predict falls in seniors. A gait speed decline of 5 cm/s was associated with an 86.3% probability of falling within three weeks.
Researchers found that bees hold their antennae forward in response to increasing air speeds, but also maintain a fixed position when both visual cues and airflow are present. This suggests that bees may be using airflow to calibrate their internal speedometer, helping them estimate distances during flight.
Researchers at the University of Missouri have developed radar and bed sensor technologies that monitor walking speed and heart rate to detect early signs of illness. These non-invasive systems provide significant benefits for older adults, allowing for timely intervention before health problems become severe.
Dr. Silvana L. Costa has been awarded a Switzer Research Fellowship by NIDILRR to investigate processing speed deficits in Multiple Sclerosis. Her research aims to understand the complex interaction between sensorial, cognitive, and motor processes affected by MS.
Researchers at the University of Illinois found that smart watch motion sensors can be exploited by hackers to guess typed keystrokes. The 'MoLe' project reveals the potential for wearable devices to compromise user privacy.
A new study on mice reveals how motion-sensing cells in the eye form synapses with interneurons, creating a unique delay that allows for accurate tracking of small moving objects. This delay enables the object motion sensors to distinguish between the motion of an object and its background.
A new device, Walk n'Play, helps monitor low-level physical activity using a cell phone's motion sensors. The program encourages users to be more active by turning physical activity into a game, promoting incremental changes that can lead to better health.
A study by University of Aberdeen researchers found that mentally traveling through time can physically move us. Engaging in chronesthesia, or mental time travel, resulted in movements corresponding to the metaphorical direction of time.
Researchers at NIST developed formulas to help law enforcement officers accurately calibrate down-the-road radar devices and ballistic chronographs. The new tools provide more precise speed measurements, improving the effectiveness of crime-fighting technologies.
Researchers developed a technology that detects damage to critical suspension components in military vehicles by driving over a speed bump-like cleat containing sensors. The system uses signal processing software to interpret sensor data and identify damage, reducing downtime and maintenance costs.
The project uses laptops with built-in accelerometer chips to detect tremors, allowing for faster earthquake detection and more accurate location of strong motions. With many sensors, it's possible to provide several seconds of warning before an earthquake hits neighboring regions.
Researchers find that organic molecules control the rate of crystal growth, allowing for the tuning of growth rates. The study's findings provide a new understanding of how proteins and biomolecules influence crystal formation.
A University of Florida engineer has designed a tiny, easy-to-manufacture motion sensor with potential applications in personal electronics, medical devices, and athletic monitoring. The sensor measures 3 square millimeters and is extremely sensitive, drawing minimal power.
The study found that elderly pedestrians often encounter insufficient crossing time at intersections, with many experiencing physical difficulties. The researchers emphasize the need for countermeasures such as engineering design considerations and educational campaigns to enhance safety.