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Electromagnetic limited-angle torque motors (LATMs) which have a limited angular movement less than 180 degrees are widely applied in industry, particularly for positioning tasks. Compared with common rotating motors, LATMs have many advantages such as simple structure, high reliability, and uncomplicated control mode. In general, radial-flux permanent-magnet LATMs have two conventional types which...
Hypertension has its contribution from atherosclerosis or metabolic factors. It is commonly diagnosed with a sphygmomanometer (blood pressure cuff) which only outputs systolic (Ps) and diastolic (Pd) pressures. Hypertensive patients are then administered oral medication whose effect on arterial compliance (C), an index of vascular stiffness, cannot be accurately determined merely from Ps and Pd values...
As the characteristic size of the devices is now reaching the sub-15 nm range, it has become essential to assess the effects of quantum corrections on the electrical performances. The Non-Equilibrium Green's Functions (NEGF) method is one of the most versatile frameworks for that purpose. It can deal with quantum confinement, elastic and inelastic scattering in a seamless way. Although numerically...
A control-oriented modeling approach is proposed for a low-speed semi-AUV (Autonomous Underwater Vehicle) CISCREA, which has complex-shaped structures. Due to the geometry of this AUV, it is very difficult to identify its dynamic and hydrodynamic parameters. Therefore, the main objective of this paper is to find an efficient modeling approach to tune acceptable control design models. The presented...
The design, deployment and execution of business process models and their associated security models is expensive and time consuming. This is because these activities usually involve multiple stakeholders that include business domain experts, security experts, web service developers and IT operations teams, and there is no streamlined development environment to allow these stakeholders to work collaboratively...
Cloud Computing, Business Process Modeling (BPM) and Service-oriented architectures (SOA) are playing a relevant role in the evolution of Information Technology (IT). A considerable number of system developers are using Cloud technologies to deploy and make available systems over the Internet. Business Process Management standards are being widely used to model business requirements. In addition,...
Distributed diesel generation is still widely used to supply electric power in a variety of applications. These applications range from backup power supply systems and combined wind-diesel generation to providing power in places where grid connection is either technically impractical or financially uneconomic. Due to the ever increasing cost of diesel fuel and the environmental issues associated with...
A novel frequency domain distributed segmental arterial model was designed to predict pulsatile blood pressure waveforms in large arteries. The model was based on pulse wave reflection theories and nodal network analysis. This model was evaluated in terms of branch reflection coefficients, terminal vascular bed behavior, and arterial wall viscoelasticity. It was found that the model-based predicted...
Computer supported collaborative learning (CSCL) which helps to increase the social interactions among learners without the constraint of time and space as it would be in real classrooms has prevailed among e-learning technologies. However,the studies of group formation that involve with diverse characteristics such as learning style of students or concern with interactions among students have rarely...
To investigate complex electrophysiological behaviour (such as reentrant cardiac arrhythmias) in the setting of the complex anatomy of the heart, the use of a simplified model is computationally more effective. In this study, the Rogers-modified FitzHugh-Nagumo model was further modified to allow control of action potential upstroke velocity, conduction velocity, action potential duration and refractory...
In this paper, we consider a multichannel data communication system in which the stop-and-wait automatic-repeat-request protocol for parallel channels with an in-sequence delivery guarantee (MSW-ARQ-inS) is used for error control. We evaluate the resequencing delay and the resequencing buffer occupancy, respectively. Under the assumption that all channels have the same transmission rate but possibly...
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