DAG Graph for IoT performance evaluation: Task Partitioning and Co-design Methodology

Author(s):  
Radia Bendimerad ◽  
Kamel Smiri ◽  
Abderrazek Jemai
2006 ◽  
Vol 3 (3) ◽  
pp. 199-208 ◽  
Author(s):  
S. K. Mustafa ◽  
G. Yang ◽  
S. H. Yeo ◽  
W. Lin

This paper presents the design of a bio-inspired anthropocentric 7-DOF wearable robotic arm for the purpose of stroke rehabilitation. The proposed arm rehabilitator synergistically utilizes the human arm structure with non-invasive kinematically under-deterministic cable-driven mechanisms to form a completely deterministic structure. It offers the advantages of being lightweight and having high dexterity. Adopting an anthropocentric design concept also allows it to conform to the human anatomical structure. The focus of this paper is on the analysis and design of the 3-DOF-shoulder module, called the shoulder rehabilitator. The design methodology is divided into three main steps: (1) performance evaluation of the cable-driven shoulder rehabilitator, (2) performance requirements of the shoulder joint based on its physiological characteristics and (3) design optimization of the shoulder rehabilitator based on shoulder joint physiological limitations. The aim is to determine a suitable configuration for the development of a shoulder rehabilitator prototype.


Sensor Review ◽  
2018 ◽  
Vol 38 (3) ◽  
pp. 321-325 ◽  
Author(s):  
Xueye Chen ◽  
Jienan Shen ◽  
Zengliang Hu

PurposeThe purpose of this study is to provide a micromixer for achieving effective mixing of two liquids. The mixing of two liquids is difficult to achieve in microfluidic chips because they cannot form turbulence at small dimensions and velocities.Design/methodology/approachIn this paper, four kinds of passive micromixers based on splitting–recombination and chaotic convection are compared. First, a better E-shape mixing unit based on the previous F-shape mixing unit has been designed. Then, the E-shape mixing units are further combined to form three micromixers (i.e. E-mixer, SESM and FESM).FindingsFinally, the mixing experimental results show that the mixing indexes of E-mixer, SESM and FESM are more than those of F-mixer when the Reynolds number range is from 0.5 to 100. And at Re = 15, the lowest mixing index of E-mixer is 71%, which is the highest of the four micromixers.Originality/valueAt Re = 80, the highest mixing index of F-mixer and E-mixer is 92 and 94 per cent, respectively, and then it begins to decrease. But the mixing index of SESM and FESM remains close to 100 per cent.


2017 ◽  
Vol 7 (3) ◽  
pp. 426-436 ◽  
Author(s):  
Mohamed Ibrahim Eshtaiwi ◽  
Ibrahim A. Badi ◽  
Ali M. Abdulshahed ◽  
Turan Erman Erkan

Purpose Performance evaluation of airports or any other organisation is paramount for improving performance. The purpose of this paper is to evaluate and compare the performance of the three international airports in Libya (MJI, MRA, and LAQ airports) by considering five aspects of performance. Design/methodology/approach The considered aspects are airport service quality, airport operations, airport economy, safety and security, and environmental. The paper uses the grey system theory to assess these airports by summarizing the opinions of experts. Findings The finding of this study provides directions of the evaluated airports to take the correct actions to improve overall performance. Originality/value No literature has been found till date is to evaluate and compare the performance of the international airports in Libya.


2006 ◽  
Vol 1 (5) ◽  
Author(s):  
Pilar Manzanares-Lopez ◽  
Juan Carlos Sanchez-Aarnoutse ◽  
Josemaria Malgosa-Sanahuja ◽  
Joan Garcia-Haro

2018 ◽  
Vol 15 (5) ◽  
pp. 556-561
Author(s):  
Danar Susilo Wijayanto ◽  
Nugroho Agung Pambudi ◽  
Yusuf Wijaya ◽  
Ngatou Rohman ◽  
Husin Bugis

Purpose The purpose of this paper is to experimentally investigate the effect of biodiesel fuel blending and heating on engine torque and power. Design/methodology/approach To obtain torque and power data, a 1200 AWD dynamometer was used. The 1200 AWD dynamometer is a device used to obtain readings, and is made up of a chassis, inertia roller, roller sensor and converter modules, and can also be connected to a personal computer. Findings The result revealed that biodiesel blending and heating significantly affected torque and power. When only biodiesel blend ratio was varied, the highest torque and power were obtained at 30 per cent fuel blending. Also, the highest torque and power were obtained at 20 mm when only a spaced finned tube heater was used. When both variables were combined, the highest torque was obtained at a 20 per cent biodiesel blend and a 10 mm radial radiator finned spacing. Maximum power for two variables was obtained at the 20 per cent blend ratio and 20 mm finned tube heater spacing. Originality/value A novel radial finned tube heater is used.


2020 ◽  
Vol 32 (3) ◽  
pp. 305-321
Author(s):  
Koichi Hioki ◽  
Eiichiro Suematsu ◽  
Hiroshi Miya

Purpose This study aims to investigates the appropriate number and kinds of accounting measures managers should use in their decision-making. Design/methodology/approach The authors apply an experimental method with 54 participants who work for a utility company in Japan. Findings This study suggests that under information overload, in which many measures are handled simultaneously, managers who have a high Need for Cognition (NFC) can no longer use either financial or customer perspective measures effectively, while when there is no information overload, they can use those measures. Managers with low NFC do not use customer perspective measures even when information overload does not occur. Practical implications This study concludes that we need to pay careful attention to differences in managers’ NFC as well as how many and what kind of measures should be provided to managers when designing multi-measures for performance evaluation. Originality/value This paper sheds light on the relationships among the number of measures, the characteristics of measures, and managers’ cognitive style when designing a management accounting system.


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Marge Sassi ◽  
Ülle Pihlak ◽  
Gesa Birnkraut

PurposeThe study aims to understand how practicing organizational performance evaluation (OPE) is related to the performance paradox (tensions between creative freedom and survival challenges) in “evaluation-hesitant” cultural and creative industries (CCI) organizations.Design/methodology/approachMixed methods research, consisting of moderation analyses and unstructured expert interviews.FindingsA conceptual model is developed to explain how creative freedom and survival challenges affect OPE in “evaluation-hesitant” CCI organizations.Originality/valueThe authors bring a new understanding to the factors that contribute to evaluation-hesitance in CCI. The paper contributes to discussing both the theory of paradox and flow theory in explaining the relations between OPE, creative freedom and survival challenges.


Sign in / Sign up

Export Citation Format

Share Document