A neural networks based direct inverse controller for Pressure Process Rig® system is presented, including with the performance analysis using an open-loop and a closed loop system. In order to enhance the performance characteristics of this direct inverse controller, a Fine-Tuning method is proposed. Experimental results show that the open-loop system shows lower MSE compare with that of the c...

The monitoring of control loop performance in building automation is important for decreasing the maintenance costs. Passive monitoring with network analyzers is inexpensive and does not influence the network load. However, control signals that are not transmitted over the network are unobservable. This paper purposes an approach to the reconstruction of missing control signals and the computat...

Lock-in range is one of the key parameters which govern the dynamic performance of a phaselocked loop (PLL). For low-order PLLs, coarse formulas can be derived under certain assumptions and approximation for designing loop filters to achieve the performance requirement. However, it is difficult, if not impossible, to establish such relations for high-order PLLs. In this paper, we propose a new ...

abstract background: the loop colostomy is one of the most popular techniques used as a protective maneuver for a distal anastomosis and/or temporary fecal diversion. we are introducing the use of a full thickness skin bridge under the large bowel instead of a glass rod which alleviates problems such as protrusion of the large bowel, retraction of the bowel into the abdomen after removing the r...

In this note, a new performance preserving controller order reduction method is proposed. Here performance preservation indicates that the norm bound of the closed loop transfer function with reduced-order controller is not greater than the norm bound of the closed loop transfer function with full order controller. We assume additive perturbations to the closed-loop transfer function and obtain...

Identification of real-world systems is often applied in closed loop due to stability, performance or safety constraints. However, when considering Linear Parameter-Varying (LPV) systems, closed-loop identification is not well-established despite the recent advances in prediction error approaches. Building on the available results, the paper proposes the closed-loop generalization of a recently...

In High Performance Computing, the application’s workload must be evenly balanced among threads to deliver cutting-edge performance and scalability. In OpenMP, the load balancing problem arises when scheduling loop iterations to threads. In this context, several scheduling strategies have been proposed, but they do not take into account the input workload of the application and thus turn out to...

As a culture, object-orientation encourages programmers to create objects, both shortand long-lived, without concern for cost. Excessive object creation and initialization can cause severe runtime bloat, which degrades significantly application performance and scalability. A frequently-occurring coding pattern that may lead to large volumes of (temporary) objects is the creation of objects that...

In this article we characterize the effect of transmitter clock jitter upon receiver symbol synchronization performance. Using a sinusoidal model for the timing jitter, we evaluate the bit error rate (BER) degradation and cycle slip probabilities of receivers via analysis as well as simulation for uncoded offset quadrature-phase-shift-keying (OQPSK). We evaluate performance for two different sy...

Studies of the magnetization of Fe2O3@Pt nanoparticles at room temperature showed that there is superparamagnetic contribution with high saturation magnetization about 12.35(emu/g), and soft ferromagnetic contribution with narrow coercive field about 58(Oe). In this paper we fitted the hystersis loop of sample with Brillouin function that demonstrating existence of superparamagnetic phase. Tota...