Fault-tolerant control based on virtual actuator and sensor for discrete-time descriptor systems

Y Wang, D Rotondo, V Puig… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article proposes a fault-tolerant control (FTC) strategy based on virtual actuator and
sensor for discrete-time descriptor systems subject to actuator and sensor faults. The fault …

Inter-and intra-rater reliability of the OCRA checklist method in video-recorded manual work tasks

IM Rhén, M Forsman - Applied Ergonomics, 2020 - Elsevier
Observation-based risk assessments are often used for evaluation of biomechanical
workload and the condition of the workplace ergonomics. However, the inter-and intra-rater …

Observer design for rectangular descriptor systems with incremental quadratic constraints and nonlinear outputs—Application to secure communications

L Moysis, MK Gupta, V Mishra… - … Journal of Robust …, 2020 - Wiley Online Library
This work considers the problem of observer design for rectangular descriptor systems with
nonlinearities satisfying incremental quadratic constraints. The observer design is feasible …

Sensor fault diagnosis in fractional-order singular systems using unknown input observer

F Pourdadashi Komachali, M Shafiee - International Journal of …, 2020 - Taylor & Francis
This paper investigates the design of an unknown input observer for sensor fault diagnosis
in linear fractional-order singular systems. The considered system is rectangular in general …

Grip strength of occupational workers in relation to carpal tunnel syndrome and individual factors

GK Singh, S Srivastava - International Journal of Occupational …, 2020 - Taylor & Francis
The main objective of this study was to determine the association of grip strength with carpal
tunnel syndrome (CTS) for occupational workers exposed to the risk of CTS. Experiments …

[PDF][PDF] Latihan peregangan dinamis dan istirahat aktif menurunkan keluhan muskuloskeletal pada pekerja di industri garmen

S Nooryana, IPG Adiatmika… - Jurnal Ergonomi …, 2020 - academia.edu
Permasalahan ergonomi yang dialami pekerja bagian pengendalian mutu produk dan
sablon di industri garmen Adhi Fashion antara lain pemanfaatan tenaga otot, sikap kerja …

Estimating minimal domains of attraction for uncertain nonlinear systems

S Wang, Z She, SS Ge - IEEE Transactions on Systems, Man …, 2020 - ieeexplore.ieee.org
In this article, we investigate the inner estimations of the minimal domains of attraction
(MDA) for uncertain nonlinear systems, whose uncertainties are modeled by parameters …

[PDF][PDF] Research methodologies for assessing the ergonomics of packaging products-a review

G Bošnjaković, G Vladić - … of the 10th International Symposium on …, 2020 - grid.uns.ac.rs
In today's increasingly competitive market environment, new packaging must meet more
requirements than before to meet customer expectations. The packaging must meet not only …

Effects of aerial ladder rung spacing on firefighter climbing biomechanics

P Simeonov, H Hsiao, T Armstrong, Q Fu, C Woolley… - Applied ergonomics, 2020 - Elsevier
This study investigated the effects of aerial ladder rung spacing on firefighter climbing
biomechanics. Ten female and 9 male firefighters ascended and descended instrumented …

Occupational health problems of classical guitarists

N Zuhdi, K Chesky, S Surve… - Medical Problems of …, 2020 - ingentaconnect.com
AIMS: Classical guitarists may experience unique occupational health problems due to a
constellation of biopsychosocial demands associated with the physical characteristics of the …