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Helmstetter S, Matthiesen S. Human Posture Estimation: A Systematic Review on Force-Based Methods-Analyzing the Differences in Required Expertise and Result Benefits for Their Utilization. SENSORS (BASEL, SWITZERLAND) 2023; 23:8997. [PMID: 37960696 PMCID: PMC10647597 DOI: 10.3390/s23218997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023]
Abstract
Force-based human posture estimation (FPE) provides a valuable alternative when camera-based human motion capturing is impractical. It offers new opportunities for sensor integration in smart products for patient monitoring, ergonomic optimization and sports science. Due to the interdisciplinary research on the topic, an overview of existing methods and the required expertise for their utilization is lacking. This paper presents a systematic review by the PRISMA 2020 review process. In total, 82 studies are selected (59 machine learning (ML)-based and 23 digital human model (DHM)-based posture estimation methods). The ML-based methods use input data from hardware sensors-mostly pressure mapping sensors-and trained ML models for estimating human posture. The ML-based human posture estimation algorithms mostly reach an accuracy above 90%. DHMs, which represent the structure and kinematics of the human body, adjust posture to minimize physical stress. The required expert knowledge for the utilization of these methods and their resulting benefits are analyzed and discussed. DHM-based methods have shown their general applicability without the need for application-specific training but require expertise in human physiology. ML-based methods can be used with less domain-specific expertise, but an application-specific training of these models is necessary.
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Affiliation(s)
| | - Sven Matthiesen
- Karlsruhe Institute of Technology (KIT), IPEK—Institute of Product Engineering, 76131 Karlsruhe, Germany;
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Picallo I, Aguirre E, Lopez-Iturri P, Guembe J, Olariaga E, Klaina H, Marcotegui JA, Falcone F. Design, Assessment and Deployment of an Efficient Golf Game Dynamics Management System Based on Flexible Wireless Technologies. SENSORS (BASEL, SWITZERLAND) 2022; 23:47. [PMID: 36616644 PMCID: PMC9823739 DOI: 10.3390/s23010047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/15/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
The practice of sports has been steadily evolving, taking advantage of different technological tools to improve different aspects such as individual/collective training, support in match development or enhancement of audience experience. In this work, an in-house implemented monitoring system for golf training and competition is developed, composed of a set of distributed end devices, gateways and routers, connected to a web-based platform for data analysis, extraction and visualization. Extensive wireless channel analysis has been performed, by means of deterministic 3D radio channel estimations and radio frequency measurements, to provide coverage/capacity estimations for the specific use case of golf courses. The monitoring system has been fully designed considering communication as well as energy constraints, including wireless power transfer (WPT) capabilities in order to provide flexible node deployment. System validation has been performed in a real golf course, validating end-to-end connectivity and information handling to improve overall user experience.
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Affiliation(s)
- Imanol Picallo
- Electrical, Electronic and Communication Engineering Department, Public University of Navarre, 31006 Pamplona, Spain
| | | | - Peio Lopez-Iturri
- Electrical, Electronic and Communication Engineering Department, Public University of Navarre, 31006 Pamplona, Spain
- Institute for Smart Cities, Public University of Navarre, 31006 Pamplona, Spain
| | | | | | - Hicham Klaina
- Electrical, Electronic and Communication Engineering Department, Public University of Navarre, 31006 Pamplona, Spain
| | | | - Francisco Falcone
- Electrical, Electronic and Communication Engineering Department, Public University of Navarre, 31006 Pamplona, Spain
- Institute for Smart Cities, Public University of Navarre, 31006 Pamplona, Spain
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
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McPhee J. A review of dynamic models and measurements in golf. SPORTS ENGINEERING 2022. [DOI: 10.1007/s12283-022-00387-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
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Abdul-Ameer HK. Quantitative analysis and control of the torque profile of the upper limb using a kinetic model and motion measurements. Int J Artif Organs 2022; 45:631-641. [PMID: 35603541 DOI: 10.1177/03913988221101913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This paper investigates a new approach to the rapid control of an upper limb exoskeleton actuator. We used a mathematical model and motion measurements of a human arm to estimate joint torque as a means to control the exoskeleton's actuator. The proposed arm model is based on a two-pendulum configuration and is used to obtain instantaneous joint torques which are then passed into control law to regulate the actuator torque. Nine subjects volunteered to take part in the experimental protocol, in which inertial measurement units (IMUs) and a digital goniometer were used to measure and estimate the torque profiles. To validate the control law, a Simscape model was developed to simulate the arm model and control law in which measurement data from IMUs and a goniometer were fed into the suggested Simscape model. The arm torque profiles are key to the control approach and should be traced by torques produced by the exoskeleton actuators to provide comfort and flexibility for the subjects. A DC motor was used as an actuator for the exoskeleton, and its model was used in the physical Simscape model. To reduce the error in the driving torque compared with the reference arm torque, a PID controller was implemented. The results show the potential of our methodology for tracking and controlling the actuator's torque, in which the mean square error was reduced to less than 0.2 - a significantly low value.
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Affiliation(s)
- Hussam K Abdul-Ameer
- Biomedical Engineering Department, Al-Khwarizmi College of Engineering, University of Baghdad, Baghdad, Iraq
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Lewandowski B, Wudarczyk S, Sperzyński P, Bałchanowski J. Prediction of Motion Intentions as a Novel Method of Upper Limb Rehabilitation Support. SENSORS (BASEL, SWITZERLAND) 2021; 21:E410. [PMID: 33430138 PMCID: PMC7827685 DOI: 10.3390/s21020410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/02/2021] [Accepted: 01/03/2021] [Indexed: 11/16/2022]
Abstract
This article is devoted to the novel method of upper limb rehabilitation support using a dedicated mechatronic system. The mechatronic rehabilitation system's main advantages are the repeatability of the process and the ability to measure key features and the progress of the therapy. In addition, the assisted therapy standard is the same for each patient. The new method proposed in this article is based on the prediction of the patient's intentions, understood as the intentions to perform a movement that would be not normally possible due to the patient's limited motor functions. Determining those intentions is realized based on a comparative analysis of measured kinematic (range of motion, angular velocities, and accelerations) and dynamic parameter values, as well as external loads resulting from the interaction of patients. Appropriate procedures were implemented in the control system, for which verification was conducted via experiments. The aim of the research in the article was to examine whether it is possible to sense the movement intentions of a patient during exercises, using only measured load parameters and kinematic parameters of the movement. In this study, the construction of a mechatronic system prototype equipped with sensory grip to measure the external loads, control algorithms, and the description of experimental studies were presented. The experimental studies of the mechanism were aimed at the verification of the proper operation of the system and were not a clinical trial.
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Affiliation(s)
- Bogusz Lewandowski
- Department of Mechanical Engineering, Wroclaw University of Science and Technology, 30-370 Wroclaw, Poland; (S.W.); (P.S.); (J.B.)
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