Articles tagged with Gyroscopes
Researchers investigate how phase errors in MEMS gyroscopes affect force-to-rebalance rate measurement, identifying which errors matter most and proposing calibration strategies. The study shows that some errors mainly disturb drive-frequency locking, while others degrade scale factor and zero-rate output in the sense loop.
Professor Simon Stellmer from the University of Bonn is awarded a €150,000 ERC Proof of Concept Grant to improve measurement accuracy and monitor ground motion with high-precision rotation sensors. The technology aims to enhance natural disaster early warning systems and commercialize innovative gyroscope technology.
Researchers have developed a highly sensitive fiber optic gyroscope to monitor ground rotations caused by earthquakes in the Campi Flegrei area. The sensor, based on the Sagnac effect, can detect small to medium local earthquakes and provide valuable insights into seismic activity.
Researchers on the International Space Station produced a quantum gas containing two types of atoms for the first time in space. This achievement enables studying quantum chemistry, which focuses on how different atoms interact and combine with each other.
Researchers developed an automated method to create 3D images of leaked gas clouds, enabling precise location, volume, and concentration determination. This technology can provide early leak warnings, assess risk, or determine the best way to fix leaks in large facilities with stored toxic chemicals.
Researchers have successfully created a supramolecular rotor enclosed in a cube-shaped porphyrin cage molecule, showcasing the potential for molecular nanomachines to be controlled remotely. The molecular gyroscope's movements can be triggered by light and exhibit stochastic dynamics.
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.
FAU researchers custom-build multi-sensor tag combined with AI to observe goliath grouper species in the wild. The study identified 13 behaviors, including hovering, forward swimming, and vocalizations, using video footage from the tags.
The Quantum Sensors project aims to create ultrasensitive gyroscopes and accelerometers using quantum states, enabling precise measurements for self-driving cars and spacecraft. This technology could capture information not provided by GPS, improving navigation and stability in various environments.
The team successfully controlled spin defects in a layered crystal of boron nitride, even at room temperature. This achievement opens up new avenues for precise measurements of local electromagnetic fields, with potential applications in medicine, navigation, and information technology.
Researchers developed a new type of hollow core optical fiber, known as nodeless antiresonant fiber (NANF), to overcome performance limitations in resonator fiber optic gyroscopes. The new gyroscope achieves significant improvements in stability, enabling precise navigation systems for various applications.
Researchers at RMIT University and ANU are developing ultra high-performance gyroscopes that can detect tiny changes in light signals to provide pinpoint precision. The new technology promises to shrink the size and cost of traditional gyroscopes, enabling new commercial applications.
Researchers at the University of Michigan have developed a small, precise, and affordable gyroscope that can help drones and autonomous cars navigate without a GPS signal. The device, made from a nearly symmetrical mechanical resonator, is 10,000 times more accurate than existing gyroscopes.
The 911$ Rescue Drone, a flying stretcher designed by UNIST's design team, has won the iF Design Award 2020 for its innovative features. It includes an emergency stretcher bed, compact propellers, and follow-me feature, making it an efficient tool in responding to golden hour emergencies.
The NIST team has upgraded their compact atomic gyroscope to enable simultaneous measurement of rotation, rotation angle and acceleration with a single source of atoms. The instrument's sensitivities for the magnitude and direction of the rotation measurements are approaching those achieved by other research groups using larger atom in...
Researchers developed a new optical gyroscope that detects phase shifts 30 times smaller than previous systems, enabling miniaturization to a chip smaller than a grain of rice. The Sagnac effect relies on detecting differences between two beams traveling in opposite directions.
Researchers at Texas A&M University have synthesized platinum complexes with macrocyclic ring ligands, enabling a 'triple-jump-rope' mechanism with unprecedented molecular motions. The findings hold promise for developing functional molecular machines capable of manipulating matter at atomic and subatomic levels.
Researchers at the University of Chicago discovered a topological wave in a randomly arranged material, defying traditional expectations. The finding offers new insights into collective motion and could have implications for electronics and optics.
Researchers at UCLA have successfully formed a crystalline solid with moving parts, dubbed 'amphidynamic', which could have wide-ranging applications in technology and science. The creation of BODCA-MOF, a metallo-organic framework containing spherical molecules, demonstrates the potential for rapid motion inside a solid crystal.
Researchers have discovered a mechanism to develop magnetic storage media with lower energy expenditure by combining ferromagnetic and antiferromagnetic spins. Antiferromagnetic dysprosium can be toggled using short laser pulses, requiring less energy than conventional magnets.
A team of scientists has found a way to distinguish a naked singularity from a black hole using the precession frequency of a gyroscope orbiting around it. The frequency increases as matter approaches a rotating black hole, but decreases or becomes zero for a naked singularity.
Researchers at Rice University have developed a new indoor location detection system that uses existing mobile device sensors to improve accuracy and energy efficiency. By leveraging machine learning algorithms and incorporating information from standard human movements, the system can estimate accurate locations even with noisy sensors.
A team in Italy has successfully installed a prototype for the Gyroscopes in General Relativity (GINGER) project, which aims to measure Earth's rotation rate vector with high precision. The device uses ring laser gyroscope technology and is housed deep underground to minimize external disturbances.
A new low-cost application has been developed to detect atrial fibrillation using a smartphone's accelerometer and gyroscope. The algorithm achieved sensitivity and specificity rates of over 95%, making it a promising tool for widespread screening and early detection.
The NIST team has demonstrated a compact atomic gyroscope design that can measure rotation and acceleration with high accuracy. The device uses a cloud of laser-cooled atoms to simulate rotations, generating interference bands to detect the rotation rate and axis.
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.
Researchers develop a new detection scheme to create an optical gyroscope with a tiny size, potentially enabling compact navigation systems for aerospace technology. The new design allows for improved sensitivity, opening up opportunities for micro-payloads in space missions.
Insects' wings may provide a gyroscopic function, helping them perform aerial acrobatics and maintain stability. Researchers developed a computational model of a flapping wing and discovered that the wing's twisting motion could stimulate sensors, similar to those in halteres.
Researchers discovered that homing pigeons use an internal gyroscope to guide themselves home, even when encountering disturbances in the gravity field. The study found that birds initially set a bearing home by comparing their home gyroscope setting with their local gyroscope reading.
Researchers developed large ring laser gyroscopes six orders of magnitude more sensitive than commercial instruments. These devices can measure the Earth's rotation rate with unprecedented accuracy, capturing momentum exchange between atmosphere, hydrosphere, and lithosphere.
Researchers at Universidad Carlos III de Madrid have developed a new GPS system that improves position determination by up to 90% in urban settings. The system combines conventional GPS with accelerometers and gyroscopes to reduce margin of error, enabling applications such as cooperative driving and autonomous vehicles.
Researchers have developed nano-sized optical gyroscopes that can fit on the head of a pin, improving rotation rates and accuracy in smartphones and medical equipment. These devices will enable enhanced tracking capabilities, including GPS system improvements and navigation for small capsules within the body.
Researchers found that flaws in magnetic nanowire structure impact device operating speed. Disorder in the wire enables domain walls to move faster, affecting future experiment interpretation.
The Gravity Probe B satellite has confirmed Einstein's predicted geodetic effect to a precision of better than 1 percent, but the frame-dragging effect is 170 times smaller and requires further analysis. Electrostatic patches on the gyroscopes' surface cause small torques, complicating the measurement of relativity effects.
Physicists at UC Berkeley have successfully produced a quantum whistle in superfluid helium-4 using an array of tiny holes. The whistle is achieved at a temperature of 2 Kelvin, making the sensors user-friendly for scientists unfamiliar with cryogenic technology.
Researchers used computer simulations to study explosions in high-energy materials, predicting primary chemical reactions and mechanical stresses. Meanwhile, new models accurately predict lung crackle sounds, potentially aiding diagnosis of pulmonary dysfunctions.
Researchers at UC Berkeley create a superfluid analog of superconducting SQUID, detecting quantum oscillations in helium-3 and measuring tiny changes in rotation. This breakthrough enables potential ultrasensitivity in gyroscopes and testing predictions from Einstein's general theory of relativity.