Development of Active Rehabilitation Device of Hand Joint

2012 ◽  
Vol 591-593 ◽  
pp. 245-250 ◽  
Author(s):  
Hsi Chuan Huang ◽  
W.H. Kao ◽  
T.S. Wei ◽  
S.Y. Liu ◽  
Y.S. Syu ◽  
...  
Keyword(s):  
Control System ◽  
Embedded System ◽  
Physical Therapists ◽  
Physical Therapist ◽  
Operating Conditions ◽  
Control Technology ◽  
Rehabilitation Process ◽  
Processing Control ◽  
Active Rehabilitation ◽  
External Forces

If the hand joints patients have not been taking autonomic or external force rehabilitation, they might become disabled, even leading the cause ofirreversible disability eventually. Generally speaking, the medical treatment of rehabilitation has been doing by physical therapist by providing patients with external forces rehabilitation assistance as far as we know currently. For the purpose of both of reducing the workload of physical therapists and providing the quantitative data obtained during the rehabilitation process so as for physical therapist’s reference. This research will build an automatic finger stretch and grip control system by using the Human- Machine Interface for operation control. It can be done by physical therapist or physical doctor to set the operating conditions so as to help the patients with their finger joints motion so as to achieve the rehabilitation effect of their fingers. This research is trying to integrate the mechanism and control technology mainly. With regards to the control technology, it uses a micro chip so as to lead the motions of the stretch & grip for finger rehabilitation by a signal processing control servo motor. And its operation interface is using an embedded system along with Visual Studio compiling software so as to touch input the operating conditions. The system operation functions are including single finger joint motion orsynchronized actuation of all fingers and the setting of the cycle numbers. Furthermore, in order to soften the finger tendons so as to promote the rehabilitation effect during the rehabilitation process, the system adds external steam in so as to control the internal temperature & humidity of the rehabilitation box and apparently, the whole finger automatic stretch & grip control system will be better owing to it.

Design of LED smart glass display and control system based on embedded system

2020 ◽  
Vol 35 (11) ◽  
pp. 1150-1155
Author(s):  
Mu-di XIONG ◽  
◽  
Yu-hang SUN ◽  
Yu-jun GUO
Keyword(s):  
Control System ◽  
Embedded System ◽  
And Control

scholarly journals Automatically evaluating balance using machine learning and data from a single inertial measurement unit

2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Fahad Kamran ◽  
Kathryn Harrold ◽  
Jonathan Zwier ◽  
Wendy Carender ◽  
Tian Bao ◽  
...  
Keyword(s):  
Machine Learning ◽  
Inertial Measurement Unit ◽  
Physical Therapists ◽  
Physical Therapist ◽  
Model Performance ◽  
Machine Learning Techniques ◽  
Measurement Unit ◽  
Balance Performance ◽  
Inertial Measurement ◽  
Self Assessments

Abstract Background Recently, machine learning techniques have been applied to data collected from inertial measurement units to automatically assess balance, but rely on hand-engineered features. We explore the utility of machine learning to automatically extract important features from inertial measurement unit data for balance assessment. Findings Ten participants with balance concerns performed multiple balance exercises in a laboratory setting while wearing an inertial measurement unit on their lower back. Physical therapists watched video recordings of participants performing the exercises and rated balance on a 5-point scale. We trained machine learning models using different representations of the unprocessed inertial measurement unit data to estimate physical therapist ratings. On a held-out test set, we compared these learned models to one another, to participants’ self-assessments of balance, and to models trained using hand-engineered features. Utilizing the unprocessed kinematic data from the inertial measurement unit provided significant improvements over both self-assessments and models using hand-engineered features (AUROC of 0.806 vs. 0.768, 0.665). Conclusions Unprocessed data from an inertial measurement unit used as input to a machine learning model produced accurate estimates of balance performance. The ability to learn from unprocessed data presents a potentially generalizable approach for assessing balance without the need for labor-intensive feature engineering, while maintaining comparable model performance.

scholarly journals Rethinking Telerehabilitation: Attitudes of Physical Therapists and Patients

2021 ◽  
Vol 8 ◽  
pp. 237437352110343
Author(s):  
Fereshteh Saaei ◽  
Susan G Klappa
Keyword(s):  
Patient Population ◽  
Physical Therapists ◽  
Physical Therapist ◽  
Patient Survey ◽  
Patient Perspectives ◽  
Remote Care ◽  
Virtual Therapy ◽  
Therapy Sessions

COVID-19 has accelerated the adoption of telehealth among various specialties, including rehabilitation. The fast-paced implementation of telerehabilitation has laid bare its challenges, providing an opportunity for innovation in order to enhance the experience of remote care. The purpose of this study sought to understand the attitudes toward telerehabilitation from physical therapist (PT) and patient perspectives. Two surveys administered to PTs, and the general patient population explored beliefs regarding telerehabilitation. There were a total of 289 participant responses in this study. There were 228 PT respondents and 61 patients who responded to the patient survey. Qualitative results describe current attitudes toward telerehabilitation. Results indicated both groups were receptive to virtual therapy sessions; however, some challenges were also reported. Current challenges and trends in utilizing telerehabilitation are further discussed.

scholarly journals A Unified Control Strategy of Distributed Generation for Grid-Connected and Islanded Operation Conditions Using an Artificial Neural Network

2021 ◽  
Vol 13 (11) ◽  
pp. 6388
Author(s):  
Karim M. El-Sharawy ◽  
Hatem Y. Diab ◽  
Mahmoud O. Abdelsalam ◽  
Mostafa I. Marei
Keyword(s):  
Neural Network ◽  
Artificial Neural Network ◽  
Control System ◽  
Distributed Generation ◽  
Control Strategy ◽  
Current Control ◽  
Operating Conditions ◽  
Pi Controllers ◽  
Artificial Neural ◽  
The Stability

This article presents a control strategy that enables both islanded and grid-tied operations of a three-phase inverter in distributed generation. This distributed generation (DG) is based on a dramatically evolved direct current (DC) source. A unified control strategy is introduced to operate the interface in either the isolated or grid-connected modes. The proposed control system is based on the instantaneous tracking of the active power flow in order to achieve current control in the grid-connected mode and retain the stability of the frequency using phase-locked loop (PLL) circuits at the point of common coupling (PCC), in addition to managing the reactive power supplied to the grid. On the other side, the proposed control system is also based on the instantaneous tracking of the voltage to achieve the voltage control in the standalone mode and retain the stability of the frequency by using another circuit including a special equation (wt = 2πft, f = 50 Hz). This utilization provides the ability to obtain voltage stability across the critical load. One benefit of the proposed control strategy is that the design of the controller remains unconverted for other operating conditions. The simulation results are added to evaluate the performance of the proposed control technology using a different method; the first method used basic proportional integration (PI) controllers, and the second method used adaptive proportional integration (PI) controllers, i.e., an Artificial Neural Network (ANN).

scholarly journals Evaluation of Individualized Functional Electrical Stimulation-Induced Acute Changes during Walking: A Case Series in Children with Cerebral Palsy

Sensors ◽  
2021 ◽  
Vol 21 (13) ◽  
pp. 4452
Author(s):  
Nicole Zahradka ◽  
Ahad Behboodi ◽  
Ashwini Sansare ◽  
Samuel C. K. Lee
Keyword(s):  
Cerebral Palsy ◽  
Electrical Stimulation ◽  
Functional Electrical Stimulation ◽  
Physical Therapists ◽  
Physical Therapist ◽  
Case Series ◽  
Phase Detection ◽  
Lower Extremity Muscle ◽  
Children With Cerebral Palsy ◽  
Muscle Groups

Functional electrical stimulation (FES) walking interventions have demonstrated improvements to gait parameters; however, studies were often confined to stimulation of one or two muscle groups. Increased options such as number of muscle groups targeted, timing of stimulation delivery, and level of stimulation are needed to address subject-specific gait deviations. We aimed to demonstrate the feasibility of using a FES system with increased stimulation options during walking in children with cerebral palsy (CP). Three physical therapists designed individualized stimulation programs for six children with CP to target participant-specific gait deviations. Stimulation settings (pulse duration and current) were tuned to each participant. Participants donned our custom FES system that utilized gait phase detection to control stimulation to lower extremity muscle groups and walked on a treadmill at a self-selected speed. Motion capture data were collected during walking with and without the individualized stimulation program. Eight gait metrics and associated timing were compared between walking conditions. The prescribed participant-specific stimulation programs induced significant change towards typical gait in at least one metric for each participant with one iteration of FES-walking. FES systems with increased stimulation options have the potential to allow the physical therapist to better target the individual’s gait deviations than a one size fits all device.

Developing and Research on Motion Controller Based on CPLD and MCU

2012 ◽  
Vol 490-495 ◽  
pp. 456-459
Author(s):  
Jun Han ◽  
Rui Li Chang
Keyword(s):  
Control System ◽  
High Speed ◽  
Servo Control ◽  
Numerical Control ◽  
Control Technology ◽  
Numerical Control System ◽  
Motion Controller ◽  
Research Focus ◽  
Open Cnc ◽  
Computer Numerical Control System

Open Computer Numerical Control system (Open CNC) based on PC and the Windows operating system has been a major developing direction and a research focus of the current numerical control technology. At present, there have been all kinds of the Open CNC systems with high-speed and precision servo control boards, but they are too expensive. Therefore, developing an economical and practical motion controller is great significant for middle and small numerical control system

Research and Design of Intelligent Lighting Control System Based on Industrial Wireless Technology

2011 ◽  
Vol 467-469 ◽  
pp. 620-624 ◽  
Author(s):  
Jun Wang ◽  
Wei Ru Chen
Keyword(s):  
Control System ◽  
The Internet ◽  
Control Technology ◽  
Wireless Technology ◽  
Lighting Control ◽  
Turn On ◽  
Point Control ◽  
The Cost ◽  
Research And Design ◽  
The Internet Of Things

The intelligent lighting control system is one of typical applications of the Internet of things. The method of intelligent lighting control system based on industrial wireless technology is proposed in the paper. It used proposed three-point-control technology, and adjusting the brightness of lamps, turn on/off the lamps and a part of fault detection can be realized. At the same time, it can greatly reduce the cost of system. It will be useful to engineer and researchers.

scholarly journals Patient Screening by a Physical Therapist for Nonmusculoskeletal Hip Pain

2009 ◽  
Vol 89 (3) ◽  
pp. 248-256 ◽  
Author(s):  
William R VanWye
Keyword(s):  
Lumbar Spine ◽  
Physical Therapists ◽  
Physical Therapist ◽  
Hip Osteoarthritis ◽  
Care Physician ◽  
Hip Pain ◽  
Screening Tools ◽  
Positive Sign ◽  
Diagnostic Challenge ◽  
Trochanteric Bursitis

Background and Purpose Mechanical hip pain and disease-based hip pain can have similar signs and symptoms, thereby presenting a differential diagnostic challenge for clinicians. Hip pain is a common complaint addressed by physical therapists; therefore, it would be advantageous for them to be knowledgeable about differential diagnosis for hip pain, so that they can screen for possible serious conditions outside the realm of physical therapist practice and make the appropriate referral. Case Description A 77-year-old man was referred for physical therapy by his primary care physician (PCP) with diagnoses of lumbar spine and left hip osteoarthritis and possible trochanteric bursitis. After the examination, the physical therapist determined that the patient should return to his PCP for further testing. Findings leading to this conclusion were pain severity out of proportion to the reported injury, the presence of night pain, a positive “sign of the buttock,” and empty end feels of all hip joint motions, which represented a noncapsular pattern of joint restriction. Outcomes The patient was diagnosed later with primary lung adenocarcinoma with widespread metastases. A computerized tomography scan of the left hip revealed a metastatic lesion at the left proximal femur. Discussion Physical therapists’ ability to adequately screen for conditions requiring examination by a physician can lead to a more timely diagnosis of serious medical conditions. Investigators have found published descriptions of end feels, capsular versus noncapsular patterns of restriction, and the sign of the buttock to be beneficial screening tools for use in people with hip, pelvis, or lumbar spine pain.

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