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Journal articles on the topic 'Magneto-inertial sensors'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Germanotta, Marco, Ilaria Mileti, Ilaria Conforti, Zaccaria Del Prete, Irene Aprile, and Eduardo Palermo. "Estimation of Human Center of Mass Position through the Inertial Sensors-Based Methods in Postural Tasks: An Accuracy Evaluation." Sensors 21, no. 2 (2021): 601. http://dx.doi.org/10.3390/s21020601.

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The estimation of the body’s center of mass (CoM) trajectory is typically obtained using force platforms, or optoelectronic systems (OS), bounding the assessment inside a laboratory setting. The use of magneto-inertial measurement units (MIMUs) allows for more ecological evaluations, and previous studies proposed methods based on either a single sensor or a sensors’ network. In this study, we compared the accuracy of two methods based on MIMUs. Body CoM was estimated during six postural tasks performed by 15 healthy subjects, using data collected by a single sensor on the pelvis (Strapdown Int

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Tong, Junze, Shaocen Shi, Fuchao Wang, and Dapeng Tian. "Application of a Soft-Switching Adaptive Kalman Filter for Over-Range Measurements in a Low-Frequency Extension of MHD Sensors." Aerospace 12, no. 3 (2025): 192. https://doi.org/10.3390/aerospace12030192.

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The increasing demand for image quality in aerospace remote sensing has led to higher performance requirements for inertial stabilization platforms equipped with image sensors, particularly in terms of bandwidth. To achieve wide-bandwidth control in optical stabilization platforms, engineers employ magneto-hydrodynamic (MHD) sensors as key components to enhance system performance because of their wide measurement bandwidth (5–1000 Hz). While MHD sensors offer a wide-frequency response, they are limited by a narrow measuring range and low sensitivity at low frequencies, making them unsuitable a

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3

Crabolu, M., D. Pani, L. Raffo, and A. Cereatti. "Estimation of the center of rotation using wearable magneto-inertial sensors." Journal of Biomechanics 49, no. 16 (2016): 3928–33. http://dx.doi.org/10.1016/j.jbiomech.2016.11.046.

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4

Horenstein, Rachel E., Yohann R. Goudeau, Cara L. Lewis, and Sandra J. Shefelbine. "Using Magneto-Inertial Measurement Units to Pervasively Measure Hip Joint Motion during Sports." Sensors 20, no. 17 (2020): 4970. http://dx.doi.org/10.3390/s20174970.

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The use of wireless sensors to measure motion in non-laboratory settings continues to grow in popularity. Thus far, most validated systems have been applied to measurements in controlled settings and/or for prescribed motions. The aim of this study was to characterize adolescent hip joint motion of elite-level athletes (soccer players) during practice and recreationally active peers (controls) in after-school activities using a magneto-inertial measurement unit (MIMU) system. Opal wireless sensors (APDM Inc., Portland OR, USA) were placed at the sacrum and laterally on each thigh (three sensor

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Rossanigo, R., S. Bertuletti, V. Camomilla, et al. "Estimation of running biomechanical parameters using magneto-inertial sensors: a preliminary investigation." Gait & Posture 97 (October 2022): 38–39. http://dx.doi.org/10.1016/j.gaitpost.2022.09.063.

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Wells, Denny, Jacqueline Alderson, Valentina Camomilla, Cyril Donnelly, Bruce Elliott, and Andrea Cereatti. "Elbow joint kinematics during cricket bowling using magneto-inertial sensors: A feasibility study." Journal of Sports Sciences 37, no. 5 (2018): 515–24. http://dx.doi.org/10.1080/02640414.2018.1512845.

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NAITO, Hisashi, Kodai SEKINE, Yuga IWAKIRI, and Shinobu TANAKA. "Calibration method of wearable magneto-inertial sensors for measurement of human body movement." Proceedings of Conference of Hokuriku-Shinetsu Branch 2019.56 (2019): D034. http://dx.doi.org/10.1299/jsmehs.2019.56.d034.

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Campolo, Domenico, Fabrizio Taffoni, Domenico Formica, Giuseppina Schiavone, Flavio Keller, and Eugenio Guglielmelli. "Inertial-Magnetic Sensors for Assessing Spatial Cognition in Infants." IEEE transactions on bio-medical engineering 58, no. 5 (2011): 1499–503. https://doi.org/10.1109/TBME.2011.2105871.

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This paper describes a novel approach to the assessment of spatial cognition in children. In particular we present a wireless instrumented toy embedding magneto-inertial sensors for orientation tracking, specifically developed to assess the ability to insert objects into holes. To be used in naturalistic environments (e.g. daycares), we also describe an in-field calibration procedure based on a sequence of manual rotations, not relying on accurate motions or sophisticated equipment. The final accuracy of the proposed system, after the mentioned calibration procedure, is derived by direct compa

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Aman, E. E. "Development of constructive-kinematic model of micromechanical accelerometers." Issues of radio electronics, no. 10 (October 31, 2019): 17–20. http://dx.doi.org/10.21778/2218-5453-2019-10-17-20.

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The article discusses the problem of improving the quality and competitiveness of MEMS based on the structural kinematic model built on new physical principles and laws. The relevancy is conditioned by Decree of the Government of the Russian Federation No.328 dated 15 April 2014 «On Approval of the State Program of the Russian Federation «Development of Industry and Improvement of its Competitive Ability». Russian MEMS-sensors, being part of import substitution, need a wide nomenclature of sensitive elements differing by construction principles, with an option of using the domestic element bas

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10

Koskov, M. A., and A. S. Ivanov. "Magnetic system of uniaxial inertial ferrofluid accelerometer." Vestnik IGEU, no. 6 (December 28, 2022): 26–36. http://dx.doi.org/10.17588/2072-2672.2022.6.026-036.

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Today, a physical problem of engineering design of inertial magnetic fluid accelerometers to measure dynamic processes is relevant. The main drawback of modern sensors is the nonlinear characteristic of the forced response, which limits the application area of the sensors to the case of quasi-static action (tilt angle sensor). The reason of nonlinearity is the design of the magneto-mechanical system of the elastic suspension of the inertial mass made in the form of a pair of permanent ring magnets. This drawback can be eliminated by designing an axisymmetric electromagnetic system that generat

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11

Bouvier, B., A. Savescu, S. Duprey, and R. Dumas. "Benefits of functional calibration for estimating elbow joint angles using magneto-inertial sensors: preliminary results." Computer Methods in Biomechanics and Biomedical Engineering 17, sup1 (2014): 108–9. http://dx.doi.org/10.1080/10255842.2014.931444.

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12

Campolo, Domenico, Fabrizio Taffoni, Domenico Formica, et al. "Embedding inertial-magnetic sensors in everyday objects: Assessing spatial cognition in children." Journal of integrative neuroscience 11, no. 1 (2012): 103–16. https://doi.org/10.1142/S0219635212500070.

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This paper describes an interdisciplinary approach to the assessment of children development of spatial cognition, with a focus on the technology. An instrumented toy (blockbox) is presented which embeds magneto-inertial sensors for orientation tracking, specifically developed to assess the ability to insert objects into holes. The functional specifications are derived from experimental protocols devised by neuroscientists to assess spatial cognition skills in children. Technological choices are emphasized with respect to ecological requirements. Adhoc calibration procedures are presented whic

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13

Koskov, Mikhail, Sergey Somov, Olga Krylasova, and Aleksey Ivanov. "Inertial Ferrofluidic Sensor for Vibration, Displacement and Impulse Measurement with a Linear Output Signal." Problems of the Regional Energetics, no. 4(64) (November 2024): 80–89. https://doi.org/10.52254/1857-0070.2024.4-64.07.

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The aim of the work is to develop the uniaxial ferrofluid sensor suitable for use either as an accelerometer for low-frequency vibrations or as a ballistic device or seismic sensor for shock loads. The goal is achieved by solving the following problems: development of a magnetic suspension system with a linear axial gradient of the magnetic field strength, calculation of the viscous friction force of the magnetic fluid filling the coaxial layer between the magnetic cylinder and the non-magnetic body wall, manufacturing of the sensor and its static and dynamic tests. The most significant result

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Wang, Cuo, Xingfei Li, Ke Kou, and Chunguo Long. "Optimization of magnetic hat for quartz flexible accelerometer." Sensor Review 36, no. 1 (2016): 71–76. http://dx.doi.org/10.1108/sr-04-2015-0067.

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Purpose – This study aims to ameliorate the strength and uniformity of the magnetic field in the air-gap of quartz flexible accelerometers. Quartz flexible accelerometers (QFAs), a type of magneto-electric inertial sensors, have wide applications in inertial navigation systems, and their precision, linearity and stability performance are largely determined by the magnetic field in operation air-gap. To enhance the strength and uniformity of the magnetic field in the air-gap, a magnetic hat structure has been proposed to replace the traditional magnetic pole piece which tends to produce stratif

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15

Cockcroft, John, Jacobus Muller, and Cornie Scheffer. "Robust tracking of bicycle crank angles using magneto-inertial sensors, domain constraints and functional frame alignment techniques." Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology 232, no. 1 (2016): 5–14. http://dx.doi.org/10.1177/1754337116652048.

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16

Ricci, Luca, Domenico Formica, Laura Sparaci, et al. "A New Calibration Methodology for Thorax and Upper Limbs Motion Capture in Children Using Magneto and Inertial Sensors." Sensors 14, no. 1 (2014): 1057–72. http://dx.doi.org/10.3390/s140101057.

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Jardak, Nabil, Ronan Adam, and Sébastien Changey. "A Gyroless Algorithm with Multi-Hypothesis Initialization for Projectile Navigation." Sensors 21, no. 22 (2021): 7487. http://dx.doi.org/10.3390/s21227487.

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Projectiles are subjected to a high acceleration shock at launch (20,000 g and higher) and can spin very fast. Thus, the components of onboard navigation units must therefore withstand such constraints in addition to being inexpensive. This makes only a few inertial sensors suitable for projectiles navigation. Particularly, rate gyroscopes which are gun-hardened and have an appropriate operating range are not widely available. On the other hand, magneto-resistive sensors are inexpensive and can satisfy both gun-hardening and operating range requirements, making them an alternative for angular

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18

Provenzale, Cecilia, Nicola Di Stefano, Alessia Noccaro, and Fabrizio Taffoni. "Assessing the Bowing Technique in Violin Beginners Using MIMU and Optical Proximity Sensors: A Feasibility Study." Sensors 21, no. 17 (2021): 5817. http://dx.doi.org/10.3390/s21175817.

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Bowing is the fundamental motor action responsible for sound production in violin playing. A lot of effort is required to control such a complex technique, especially at the beginning of violin training, also due to a lack of quantitative assessments of bowing movements. Here, we present magneto-inertial measurement units (MIMUs) and an optical sensor interface for the real-time monitoring of the fundamental parameters of bowing. Two MIMUs and a sound recorder were used to estimate the bow orientation and acquire sounds. An optical motion capture system was used as the gold standard for compar

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19

Tramontano, Marco, Valeria Belluscio, Elena Bergamini, et al. "Vestibular Rehabilitation Improves Gait Quality and Activities of Daily Living in People with Severe Traumatic Brain Injury: A Randomized Clinical Trial." Sensors 22, no. 21 (2022): 8553. http://dx.doi.org/10.3390/s22218553.

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Neurorehabilitation research in patients with traumatic brain injury (TBI) showed how vestibular rehabilitation (VR) treatments positively affect concussion-related symptoms, but no studies have been carried out in patients with severe TBI (sTBI) during post-acute intensive neurorehabilitation. We aimed at testing this effect by combining sensor-based gait analysis and clinical scales assessment. We hypothesized that integrating VR in post-acute neurorehabilitation training might improve gait quality and activity of daily living (ADL) in sTBI patients. A two-arm, single-blind randomized contro

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20

Nez, Alexis, Laetitia Fradet, Frédéric Marin, Tony Monnet, and Patrick Lacouture. "Identification of Noise Covariance Matrices to Improve Orientation Estimation by Kalman Filter." Sensors 18, no. 10 (2018): 3490. http://dx.doi.org/10.3390/s18103490.

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Magneto-inertial measurement units (MIMUs) are a promising way to perform human motion analysis outside the laboratory. To do so, in the literature, orientation provided by an MIMU is used to deduce body segment orientation. This is generally achieved by means of a Kalman filter that fuses acceleration, angular velocity, and magnetic field measures. A critical point when implementing a Kalman filter is the initialization of the covariance matrices that characterize mismodelling and input error from noisy sensors. The present study proposes a methodology to identify the initial values of these

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21

Brasiliano, Paolo, Guido Mascia, Paolo Di Feo, et al. "Impact of Gait Events Identification through Wearable Inertial Sensors on Clinical Gait Analysis of Children with Idiopathic Toe Walking." Micromachines 14, no. 2 (2023): 277. http://dx.doi.org/10.3390/mi14020277.

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Idiopathic toe walking (ITW) is a gait deviation characterized by forefoot contact with the ground and excessive ankle plantarflexion over the entire gait cycle observed in otherwise-typical developing children. The clinical evaluation of ITW is usually performed using optoelectronic systems analyzing the sagittal component of ankle kinematics and kinetics. However, in standardized laboratory contexts, these children can adopt a typical walking pattern instead of a toe walk, thus hindering the laboratory-based clinical evaluation. With these premises, measuring gait in a more ecological enviro

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22

Le Moing, Anne-Gaëlle, Andreea Mihaela Seferian, Amélie Moraux, et al. "A Movement Monitor Based on Magneto-Inertial Sensors for Non-Ambulant Patients with Duchenne Muscular Dystrophy: A Pilot Study in Controlled Environment." PLOS ONE 11, no. 6 (2016): e0156696. http://dx.doi.org/10.1371/journal.pone.0156696.

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23

Truppa, Luigi, Michelangelo Guaitolini, Pietro Garofalo, Carlo Castagna, and Andrea Mannini. "Assessment of Biomechanical Response to Fatigue through Wearable Sensors in Semi-Professional Football Referees." Sensors 21, no. 1 (2020): 66. http://dx.doi.org/10.3390/s21010066.

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Quantifying muscle fatigue is a key aspect of everyday sport practice. A reliable and objective solution that can fulfil this task would be deeply important for two main reasons: (i) it would grant an objective indicator to adjust the daily training load for each player and (ii) it would provide an innovative tool to reduce the risk of fatigue-related injuries. Available solutions for objectively quantifying the fatigue level of fatigue can be invasive for the athlete; they could alter the performance or they are not compatible with daily practice on the playground. Building on previous findin

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Rossanigo, Rachele, Marco Caruso, Stefano Bertuletti, et al. "Base of Support, Step Length and Stride Width Estimation during Walking Using an Inertial and Infrared Wearable System." Sensors 23, no. 8 (2023): 3921. http://dx.doi.org/10.3390/s23083921.

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The analysis of the stability of human gait may be effectively performed when estimates of the base of support are available. The base of support area is defined by the relative position of the feet when they are in contact with the ground and it is closely related to additional parameters such as step length and stride width. These parameters may be determined in the laboratory using either a stereophotogrammetric system or an instrumented mat. Unfortunately, their estimation in the real world is still an unaccomplished goal. This study aims at proposing a novel, compact wearable system, incl

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Bertoli, Matilde, Andrea Cereatti, Diana Trojaniello, et al. "Estimation of spatio-temporal parameters of gait from magneto-inertial measurement units: multicenter validation among Parkinson, mildly cognitively impaired and healthy older adults." BioMedical Engineering OnLine 17, no. 1 (2018): 58. https://doi.org/10.1186/s12938-018-0488-2.

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<strong>Background: </strong>The use of miniaturized magneto-inertial measurement units (MIMUs) allows for an objective evaluation of gait and a quantitative assessment of clinical outcomes. Spatial and temporal parameters are generally recognized as key metrics for characterizing gait. Although several methods for their estimate have been proposed, a thorough error analysis across different pathologies, multiple clinical centers and on large sample size is still missing. The aim of this study was to apply a previously presented method for the estimate of spatio-temporal parameters, named Trus

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Caruso, Marco, Angelo Maria Sabatini, Marco Knaflitz, Ugo Della Croce, and Andrea Cereatti. "Extension of the Rigid-Constraint Method for the Heuristic Suboptimal Parameter Tuning to Ten Sensor Fusion Algorithms Using Inertial and Magnetic Sensing." Sensors 21, no. 18 (2021): 6307. https://doi.org/10.3390/s21186307.

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Abstract The orientation of a magneto-inertial measurement unit can be estimated using a sensor fusion algorithm (SFA). However, orientation accuracy is greatly affected by the choice of the SFA parameter values which represents one of the most critical steps. A commonly adopted approach is to fine-tune parameter values to minimize the difference between estimated and true orientation. However, this can only be implemented within the laboratory setting by requiring the use of a concurrent gold-standard technology. To overcome this limitation, a Rigid-Constraint Method (RCM) was proposed to est

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Trojaniello, Diana, Andrea Cereatti, Elisa Pelosin, et al. "Estimation of step-by-step spatio-temporal parameters of normal and impaired gait using shank-mounted magneto-inertial sensors: application to elderly, hemiparetic, parkinsonian and choreic gait." Journal of NeuroEngineering and Rehabilitation 11, no. 1 (2014): 152. http://dx.doi.org/10.1186/1743-0003-11-152.

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Paradisi, Francesco, Eugenio Di Stanislao, Aurora Summa, Stefano Brunelli, M. Traballesi, and Giuseppe Vannozzi. "Upper body accelerations during level walking in transtibial amputees." Prosthetics and Orthotics International 43, no. 2 (2018): 204–12. http://dx.doi.org/10.1177/0309364618792745.

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Background: The observation of upper body movement is gaining interest in the gait analysis community. Recent studies involved the use of body-worn motion sensors, allowing translation of laboratory measurements to real-life settings in the context of patient monitoring and fall prevention. Objectives: It was shown that amputee persons demonstrate altered acceleration patterns due to the presence of prosthetic components, while no information is available on how accelerations propagate upwards to the head during level walking. This descriptive study aims to fill this gap. Study design: Origina

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Crabolu, M., D. Pani, L. Raffo, and A. Cereatti. "Humerus length estimation using a magneto-inertial sensor." Gait & Posture 57 (September 2017): 20–21. http://dx.doi.org/10.1016/j.gaitpost.2017.07.074.

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Caruso, Marco, Angelo Maria Sabatini, Marco Knaflitz, Marco Gazzoni, Ugo Della Croce, and Andrea Cereatti. "Orientation Estimation Through Magneto-Inertial Sensor Fusion: A Heuristic Approach for Suboptimal Parameters Tuning." IEEE Sensors Journal 21, no. 3 (2021): 3408–19. http://dx.doi.org/10.1109/jsen.2020.3024806.

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Caruso, Marco, Angelo Maria Sabatini, Marco Knaflitz, Marco Gazzoni, Ugo Della Croce, and Andrea Cereatti. "Orientation Estimation Through Magneto-Inertial Sensor Fusion: A Heuristic Approach for Suboptimal Parameters Tuning." IEEE Sensors Journal 21, no. 3 (2020): 3408–19. https://doi.org/10.5281/zenodo.4457500.

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Magneto-Inertial Measurement Units (MIMUs) are a valid alternative tool to optical stereophotogrammetry in human motion analysis. The orientation of a MIMU may be estimated by using sensor fusion algorithms. Such algorithms require input parameters that are usually set using a trial-and-error (or grid-search ) approach to find the optimal values. However, using trial-and-error requires a known reference orientation, a circumstance rarely occurring in real-life applications. In this article, we present a way to suboptimally set input parameters, by exploiting the assumption that two MIMUs rigid

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32

Simonetti, Emeline, Elena Bergamini, Giuseppe Vannozzi, Joseph Bascou, and Hélène Pillet. "Estimation of 3D Body Center of Mass Acceleration and Instantaneous Velocity from a Wearable Inertial Sensor Network in Transfemoral Amputee Gait: A Case Study." Sensors 21, no. 9 (2021): 3129. http://dx.doi.org/10.3390/s21093129.

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The analysis of the body center of mass (BCoM) 3D kinematics provides insights on crucial aspects of locomotion, especially in populations with gait impairment such as people with amputation. In this paper, a wearable framework based on the use of different magneto-inertial measurement unit (MIMU) networks is proposed to obtain both BCoM acceleration and velocity. The proposed framework was validated as a proof of concept in one transfemoral amputee against data from force plates (acceleration) and an optoelectronic system (acceleration and velocity). The impact in terms of estimation accuracy

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Crabolu, M., D. Pani, L. Raffo, M. Conti, P. Crivelli, and A. Cereatti. "In vivo identification of the shoulder joint centre of rotation using a magneto-inertial sensor." Gait & Posture 49 (September 2016): S14. http://dx.doi.org/10.1016/j.gaitpost.2016.07.043.

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Giordano, Noemi, Samanta Rosati, Gabriella Balestra, and Marco Knaflitz. "A Wearable Multi-Sensor Array Enables the Recording of Heart Sounds in Homecare." Sensors 23, no. 13 (2023): 6241. http://dx.doi.org/10.3390/s23136241.

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The home monitoring of patients affected by chronic heart failure (CHF) is of key importance in preventing acute episodes. Nevertheless, no wearable technological solution exists to date. A possibility could be offered by Cardiac Time Intervals extracted from simultaneous recordings of electrocardiographic (ECG) and phonocardiographic (PCG) signals. Nevertheless, the recording of a good-quality PCG signal requires accurate positioning of the stethoscope over the chest, which is unfeasible for a naïve user as the patient. In this work, we propose a solution based on multi-source PCG. We designe

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Vernigorov, Yuriy, Valeriy Lebedev, Kirill Leletko, Anatoliy Kochubey Anatoliy Anatol'evich, and Georgy Demin. "INDUCTION METHOD FOR PARAMETER INVESTIGATIONS OF DISPERSION FERROMAGNETICS." Bulletin of Bryansk state technical university 2020, no. 4 (2020): 4–10. http://dx.doi.org/10.30987/1999-8775-2020-4-4-10.

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The purpose of investigations consists in the definition of the dependence of induction electromotive force (EF) upon magnetic and inertial properties of ferromagnetic particles of magneto-vibrating layer, and also upon induction gradient, frequency of a variable component and induction of a direct component of an electromagnetic field.  There is offered an induction method for investigations of dispersion ferromagnetic parameters. A principle of operation and basic elements of the design of an experimental plant which allows investigating the impact of the parameters of electromagnetic

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Antonacci, Carla, Umile Giuseppe Longo, Ara Nazarian, Emiliano Schena, and Arianna Carnevale. "Monitoring Scapular Kinematics through Wearable Magneto-Inertial Measurement Units: State of the Art and New Frontiers." Sensors 23, no. 15 (2023): 6940. http://dx.doi.org/10.3390/s23156940.

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Monitoring shoulder kinematics, including the scapular segment, is of great relevance in the orthopaedic field. Among wearable systems, magneto-inertial measurement units (M-IMUs) represent a valid alternative for applications in unstructured environments. The aim of this systematic literature review is to report and describe the existing methods to estimate 3D scapular movements through wearable systems integrating M-IMUs. A comprehensive search of PubMed, IEEE Xplore, and Web of Science was performed, and results were included up to May 2023. A total of 14 articles was included. The results

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Guaitolini, Michelangelo, Federica Aprigliano, Andrea Mannini, Silvestro Micera, Vito Monaco, and Angelo Maria Sabatini. "Ambulatory Assessment of the Dynamic Margin of Stability Using an Inertial Sensor Network." Sensors 19, no. 19 (2019): 4117. http://dx.doi.org/10.3390/s19194117.

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Loss of stability is a precursor to falling and therefore represents a leading cause of injury, especially in fragile people. Thus, dynamic stability during activities of daily living (ADLs) needs to be considered to assess balance control and fall risk. The dynamic margin of stability (MOS) is often used as an indicator of how the body center of mass is located and moves relative to the base of support. In this work, we propose a magneto-inertial measurement unit (MIMU)-based method to assess the MOS of a gait. Six young healthy subjects were asked to walk on a treadmill at different velociti

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Caruso, Marco, Angelo Maria Sabatini, Marco Knaflitz, Ugo Della Croce, and Andrea Cereatti. "Extension of the Rigid-Constraint Method for the Heuristic Suboptimal Parameter Tuning to Ten Sensor Fusion Algorithms Using Inertial and Magnetic Sensing." Sensors 21, no. 18 (2021): 6307. http://dx.doi.org/10.3390/s21186307.

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The orientation of a magneto-inertial measurement unit can be estimated using a sensor fusion algorithm (SFA). However, orientation accuracy is greatly affected by the choice of the SFA parameter values which represents one of the most critical steps. A commonly adopted approach is to fine-tune parameter values to minimize the difference between estimated and true orientation. However, this can only be implemented within the laboratory setting by requiring the use of a concurrent gold-standard technology. To overcome this limitation, a Rigid-Constraint Method (RCM) was proposed to estimate sub

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Caruso, Marco, Angelo Maria Sabatini, Daniel Laidig, et al. "Analysis of the Accuracy of Ten Algorithms for Orientation Estimation Using Inertial and Magnetic Sensing under Optimal Conditions: One Size Does Not Fit All." Sensors 21, no. 7 (2021): 2543. http://dx.doi.org/10.3390/s21072543.

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The orientation of a magneto and inertial measurement unit (MIMU) is estimated by means of sensor fusion algorithms (SFAs) thus enabling human motion tracking. However, despite several SFAs implementations proposed over the last decades, there is still a lack of consensus about the best performing SFAs and their accuracy. As suggested by recent literature, the filter parameters play a central role in determining the orientation errors. The aim of this work is to analyze the accuracy of ten SFAs while running under the best possible conditions (i.e., their parameter values are set using the ori

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De Bartolo, Daniela, Valeria Belluscio, Giuseppe Vannozzi, et al. "Sensorized Assessment of Dynamic Locomotor Imagery in People with Stroke and Healthy Subjects." Sensors 20, no. 16 (2020): 4545. http://dx.doi.org/10.3390/s20164545.

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Dynamic motor imagery (dMI) is a motor imagery task associated with movements partially mimicking those mentally represented. As well as conventional motor imagery, dMI has been typically assessed by mental chronometry tasks. In this paper, an instrumented approach was proposed for quantifying the correspondence between upper and lower limb oscillatory movements performed on the spot during the dMI of walking vs. during actual walking. Magneto-inertial measurement units were used to measure limb swinging in three different groups: young adults, older adults and stroke patients. Participants we

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García-de-Villa, Sara, Ana Jiménez-Martín, and Juan Jesús García-Domínguez. "A database of physical therapy exercises with variability of execution collected by wearable sensors." Scientific Data 9, no. 1 (2022). http://dx.doi.org/10.1038/s41597-022-01387-2.

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AbstractThis document introduces the PHYTMO database, which contains data from physical therapies recorded with inertial sensors, including information from an optical reference system. PHYTMO includes the recording of 30 volunteers, aged between 20 and 70 years old. A total amount of 6 exercises and 3 gait variations were recorded. The volunteers performed two series with a minimum of 8 repetitions in each one. PHYTMO includes magneto-inertial data, together with a highly accurate location and orientation in the 3D space provided by the optical system. The files were stored in CSV format to e

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CARUSO, MARCO, ANGELO M. SABATINI, MARCO KNAFLITZ, MARCO GAZZONI, Croce U. Della, and ANDREA CEREATTI. "Accuracy of the Orientation Estimate Obtained Using Four Sensor Fusion Filters Applied to Recordings of Magneto-Inertial Sensors Moving at Three Rotation Rates." October 7, 2019. https://doi.org/10.1109/embc.2019.8857655.

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Abstract Magneto-Inertial technology is a well-established alternative to optical motion capture for human... motion analysis applications since it allows prolonged monitoring in free-living conditions. Magneto and Inertial Measurement Units (MIMUs) integrate a triaxial accelerometer, a triaxial gyroscope and a triaxial magnetometer in a single and lightweight device. The orientation of the body to which a MIMU is attached can be obtained by combining its sensor readings within a sensor fusion framework. Despite several sensor fusion implementations have been proposed, no well-established

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Carnevale, Arianna, Umile Giuseppe Longo, Emiliano Schena, et al. "Wearable systems for shoulder kinematics assessment: a systematic review." BMC Musculoskeletal Disorders 20, no. 1 (2019). http://dx.doi.org/10.1186/s12891-019-2930-4.

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Abstract Background Wearable sensors are acquiring more and more influence in diagnostic and rehabilitation field to assess motor abilities of people with neurological or musculoskeletal impairments. The aim of this systematic literature review is to analyze the wearable systems for monitoring shoulder kinematics and their applicability in clinical settings and rehabilitation. Methods A comprehensive search of PubMed, Medline, Google Scholar and IEEE Xplore was performed and results were included up to July 2019. All studies concerning wearable sensors to assess shoulder kinematics were retrie

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Sassi, Martina, Arianna Carnevale, Matilde Mancuso, Emiliano Schena, Leandro Pecchia, and Umile Giuseppe Longo. "Machine‐learning models for shoulder rehabilitation exercises classification using a wearable system." Knee Surgery, Sports Traumatology, Arthroscopy, August 18, 2024. http://dx.doi.org/10.1002/ksa.12431.

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AbstractPurposeThe objective of this study is to train and test machine‐learning (ML) models to automatically classify shoulder rehabilitation exercises.MethodsThe cohort included both healthy and patients with rotator‐cuff (RC) tears. All participants performed six shoulder rehabilitation exercises, following guidelines developed by the American Society of Shoulder and Elbow Therapists. Each exercise was repeated six times, while wearing a wearable system equipped with three magneto‐inertial sensors. Six supervised machine‐learning models (k‐Nearest Neighbours, Support Vector Machine, Decisio

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Crabolu, M., D. Pani, L. Raffo, M. Conti, P. Crivelli, and A. Cereatti. "In vivo estimation of the shoulder joint center of rotation using magneto-inertial sensors: MRI-based accuracy and repeatability assessment." BioMedical Engineering OnLine 16, no. 1 (2017). http://dx.doi.org/10.1186/s12938-017-0324-0.

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Basel, Joseph, Emeline Simonetti, Elena Bergamini, and Hélène Pillet. "'On the impact of the identification of inertial sensors location on the estimation of segment and body centers of mass in transfemoral amputees: a sensitivity study' - Dataset." September 29, 2020. https://doi.org/10.5281/zenodo.4058430.

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Gait data of a subject with transfemoral amputation. The subject was equipped with a set of 5 magneto-inertial measurement units (MIMUs) (Xsens Technologies B.V., Enschede, The Netherlands, 100 sample·s-1) located on the trunk (over the sternum), both prosthetic and sound thighs (ThighP, ThighS) and shanks (ShankP, ShankS) and a set of 59 reflective markers positioned on the patient’s anatomical landmarks. The participant was asked to walk in a straight line at his natural speed along an 8 m pathway with three force plates (AMTI, Advanced Mechanical Technology, Inc, Massachus

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Basel, Joseph, Emeline Simonetti, Elena Bergamini, and Hélène Pillet. "'On the impact of the erroneous identification of inertial sensors' locations on segments and whole body centers of mass accelerations in transfemoral amputees: a sensitivity study' - Dataset." September 29, 2020. https://doi.org/10.5281/zenodo.4058434.

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Gait data of a subject with transfemoral amputation. The subject was equipped with a set of 5 magneto-inertial measurement units (MIMUs) (Xsens Technologies B.V., Enschede, The Netherlands, 100 sample·s-1) located on the trunk (over the sternum), both prosthetic and sound thighs (ThighP, ThighS) and shanks (ShankP, ShankS) and a set of 59 reflective markers positioned on the patient’s anatomical landmarks. The participant was asked to walk in a straight line at his natural speed along an 8 m pathway with three force plates (AMTI, Advanced Mechanical Technology, Inc, Massachus

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Iverson, Jana M., Emily R. Britsch, Joshua L. Schneider, et al. "Reaching While Learning to Sit: Capturing the Kinematics of Co‐Developing Skills at Home." Developmental Psychobiology 66, no. 6 (2024). http://dx.doi.org/10.1002/dev.22527.

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ABSTRACTThis study examined the co‐development of infant reaching and postural control across the transition to arms‐free sitting at home. We observed infants with typical likelihood (TL; n = 24) and elevated likelihood (EL; n = 20) for autism at four biweekly sessions spanning the transition to arms‐free sitting (infant age = 4.5–8 months at first session). At each session, infants sat on a pressure‐sensitive mat with external support or independently, wore magneto‐inertial sensors on both wrists, and reached for toys presented at midline. Analyses focused on characterizing and comparing cont

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Scalera, Giovanni Marco, Maurizio Ferrarin, Alberto Marzegan, and Marco Rabuffetti. "Assessment of Stability of MIMU Probes to Skin-Marker-Based Anatomical Reference Frames During Locomotion Tasks: Effect of Different Locations on the Lower Limb." Frontiers in Bioengineering and Biotechnology 9 (December 22, 2021). http://dx.doi.org/10.3389/fbioe.2021.721900.

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Soft tissue artefacts (STAs) undermine the validity of skin-mounted approaches to measure skeletal kinematics. Magneto-inertial measurement units (MIMU) gained popularity due to their low cost and ease of use. Although the reliability of different protocols for marker-based joint kinematics estimation has been widely reported, there are still no indications on where to place MIMU to minimize STA. This study aims to find the most stable positions for MIMU placement, among four positions on the thigh, four on the shank, and three on the foot. Stability was investigated by measuring MIMU movement

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De, Bartolo Daniela, Valeria Belluscio, Giuseppe Vannozzi, et al. "Sensorized Assessment of Dynamic Locomotor Imagery in People with Stroke and Healthy Subjects." August 13, 2020. https://doi.org/10.3390/s20164545.

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Dynamic motor imagery (dMI) is a motor imagery task associated with movements partially mimicking those mentally represented. As well as conventional motor imagery, dMI has been typically assessed by mental chronometry tasks. In this paper, an instrumented approach was proposed for quantifying the correspondence between upper and lower limb oscillatory movements performed on the spot during the dMI of walking vs. during actual walking. Magneto-inertial measurement units were used to measure limb swinging in three different groups: young adults, older adults and stroke patients. Participants we

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