gebhart/patrepeval huggingface dataset:
Implementation of an artificial-neural-network-based real-time adaptive controller for an interior permanent-magnet motor drive (2003)

This paper presents the implementation of an artificial-neural-network (ANN)-based real-time adaptive controller for accurate speed control of an interior permanent-magnet synchronous motor (IPMSM) under system uncertainties. A field-oriented IPMSM model is used to decouple the flux and torque components of the motor dynamics. The initial estimation of coefficients of the proposed ANN speed controller is obtained by offline training method. Online training has been carried out to update the ANN under continuous mode of operation. Dynamic backpropagation with the Levenburg-Marquardt algorithm is utilized for online training purposes. The controller is implemented in real time using a digital-signal-processor-based hardware environment to prove the feasibility of the proposed method. The simulation and experimental results reveal that the control architecture adapts and generalizes its learning to a wide range of operating conditions and provides promising results under parameter variations and load changes.
Multiproduct Optimal Batch Sizes with In-Process Inventories and Multi Work Centers (1985)

Abstract In this paper we extend the classical economic batch size model of Camp to situations where a range of products is made to stock and where the products are manufactured in a production shop consisting of a number of work centers of functionally grouped machines. Assuming that the flow times of the batches along the work centers can be modelled as a queueing process, it is shown that the batch sizes influence the batch waiting times in the shop, and the amount of work in process. The cost function to be minimized consists of ordering costs, final inventory holding costs, and work-in-process carrying costs. We show that the cost function is strictly convex and that the optimal batch sizes can be found by means of well-known numerical methods. We present an outline of an iterative procedure in which the batch size optimization procedure is combined with a shop load optimization procedure to achieve a good overall performance. Using a simplified model that assumes that the products are homogeneous in all respects, we also show that there exists an upper limit for the optimal batch size, which is determined by the ordering costs and the work-in-process carrying costs. Finally, we show that not taking into account work-in-process carrying costs may result in substantial errors in both batch size and cost.
Mercury-free anodic stripping voltammetry of lead ions using a PVS-doped polyaniline modified glassy carbon electrode (1998)

An anodic stripping voltammetric determination of lead ions in laboratory prepared solutions is described utilizing a poly(vinylsulfonate)-doped polyaniline modified glassy carbon electrode. The experimental signals observed were similar to those of typical stripping methods and showed excellent linearity within the micromolar concentration range studied.
INTERNAL ATMOSPHERIC GRAVITY WAVES AT IONOSPHERIC HEIGHTS (1960)

Irregularities and irregular motions in the upper atmosphere have been detected and studied by a variety of techniques during recent years, but their proper interpretation has yet to be established. It is shown here that many or most of the observational data may be interpreted on the basis of a single physical mechanism, namely, internal atmospheric gravity waves.A comprehensive picture is envisaged for the motions normally encountered, in which a spectrum of waves is generated at low levels of the atmosphere and propagated upwards. The propagational effects of amplification, reflection, inter-modulation, and dissipation act to change the spectrum continuously with increasing height, and so produce different types of dominant modes at different heights. These changes, coupled with an observational selection in some cases, lead to the various characteristics revealed by the different observing techniques. The generation of abnormal waves locally in the ionosphere appears to be possible, and it seems able to account for unusual motions sometimes observed.
MOS 2016 Study Guide for Microsoft Word (2016)

Advance your everyday proficiency with Word 2016. And earn the credential that proves it! Demonstrate your expertise with Microsoft Word! Designed to help you practice and prepare for Microsoft Office Specialist (MOS): Word 2016 Core certification, this official Study Guide delivers: In-depth preparation for each MOS objective Detailed procedures to help build the skills measured by the exam Hands-on tasks to practice what youve learned Practice files and sample solutions Sharpen the skills measured by these objectives: Create and manage documents Format text, paragraphs, and sections Create tables and lists Create and manage references Insert and format graphic elements About MOS A Microsoft Office Specialist (MOS) certification validates your proficiency with Microsoft Office programs, demonstrating that you can meet globally recognized performance standards. Hands-on experience with the technology is required to successfully pass Microsoft Certification exams.
Observer Based Control System Design for Switched Reluctance Motors (2005)

In this paper, an observer based con­ trol system is designed for a Variable Reluctance motor driving a r obotic load. The main feature of the pro­ posed design procedure is the use of a realistic nonlinear model that takes into account the effects of magnetic saturation and the load torque nonline arity. The pro­ posed contro:! algorithm allows trajectory and torque tracking to be obtained, and requires only the measure­ ments of rotor position and magnetizing currents. This paper is completed by some simulation tests related to a real case.
An optical technique for measurement of semiconductor surface electric fields (1992)

We present an optical technique for the measurement of semiconductor surface electric fields. The measurement technique uses the Kerr electro-optic effect in nitrobenzene, a phase sensitive interferometer, and associated data acquisition units to measure the surface electric fields between the contacts of a planar semiconductor device. This technique was used to measure the surface fields on silicon devices used in pulsed power applications, but has the potential for use as an electric field probe for any device having high surface electric fields, both pulsed and dc. The measurement technique showed a temporal resolution of 100 ns, which can be easily reduced to a few nanoseconds using superior data acquisition and detection systems. The spatial resolution was about 50 μm for devices that had a typical contact separation of about 500 μm (power devices). This technique can be applied to measure the surface fields on devices commonly used in microelectronic applications. In this paper we discuss in detail the measurement technique and present the results obtained for silicon photoconductive power switches.
MDCSim: A multi-tier data center simulation, platform (2009)

Performance and power issues are becoming increasingly important in the design of large, cluster-based multitier data centers for supporting a multitude of services. The design and analysis of such large/complex distributed systems often suffer from the lack of availability of an adequate physical infrastructure. This paper presents a comprehensive, flexible, and scalable simulation platform for in-depth analysis of multi-tier data centers. Designed as a pluggable three-level architecture, our simulator captures all the important design specifics of the underlying communication paradigm, kernel level scheduling artifacts, and the application level interactions among the tiers of a three-tier data center. The flexibility of the simulator is attributed to its ability in experimenting with different design alternatives in the three layers, and in analyzing both the performance and power consumption with realistic workloads. The scalability of the simulator is demonstrated with analyses of different data center configurations. In addition, we have designed a prototype three-tier data center on an Infiniband Architecture (IBA) connected Linux cluster to validate the simulator. Using RUBiS benchmark workload, it is shown that the simulator is quite accurate in estimating the throughput, response time, and power consumption. We then demonstrate the applicability of the simulator in conducting three different types of studies. First, we conduct a comparative analysis of the IBA and 10 Gigabit Ethernet (10GigE) under different traffic conditions and with varying size clusters for understanding their relative merits in designing cluster-based servers. Second, measurement and characterization of power consumption across the servers of a three-tier data center is done. Third, we perform a configuration analysis of the Web server (WS), Application Server (AS), and Database Server (DB) for performance optimization. We believe that such a comprehensive simulation infrastructure is critical for providing guidelines in designing efficient and cost-effective multi-tier data centers.
HSP70 from Trypanosoma cruzi is endowed with specific cell proliferation potential leading to apoptosis (2000)

The Trypanosoma cruzi HSP70 recombinant protein has the capacity to stimulate splenocytes or lymph node cells from naive mice in a non-haplotype-restricted way. The proliferative response is abolished by proteinase K digestion and by specific anti-HSP70 antibodies. The induced stimulation index was maximal after 24 h of incubation with the protein. This stimulation leads to cell death in a Fas-Fas ligand-independent way. The phenotype of the expanded cells was CD3(+) TCRalphass(+) CD4(+). HSP70-responsive cells express a broad range of cytokines including IFN-gamma, IL-2 and tumor necrosis factor-alpha. After 48 h of incubation with HSP70 there was a significant increase in relative intracellular levels of CD3 TCRalphass receptors. The expanded CD4(+) cell population expressed CD25; however, in contrast to concanavalin A-treated culture, delayed CD44 expression was observed.
DAFOSYM: A Model of the Dairy Forage System (1989)

A tool is needed for evaluating the biological and economic consequences of alternative technologies and management strategies on the dairy farm. This report views the development of a dairy forage system model (DAFOSYM) and demonstrates the use of this tool by examining alternatives in alfalfa hay production. DAFOSYM was produced by integrating models of crop growth, harvest, storage, and feed use. Growth models for corn (CERES‐Maize) and alfalfa (ALSIM1) simulate crop production over historical daily weather for given soils. Alfalfa harvest includes mowing, field drying, and baling where losses and quality changes are functions of the mechanical treatment, field curing time, and daily weather. Storage losses and quality changes are influenced by the type of storage and the crop moisture content. Stored feeds are supplemented with soybean meal and purchased feeds to provide a balanced diet for a given herd. Quality parameters carried through the system to balance rations are crude protein (CP) and neutral detergent fiber (NDF). Costs of crop production, machinery, storage facilities, and purchased feeds are compared to income from the sale of milk and excess feeds to determine net return. A multiple year simulation evaluates the long‐term benefit and risk of a new technology or strategy on a representative dairy farm. For example, simulation of a 5‐d delay in alfalfa harvest beyond optimum maturity reduced net return by $37/acre of alfalfa while use of the new harvesting technique of chemical conditioning increased return by $13/acre. DAFOSYM may be used in extension and classroom teaching to evaluate and compare alternatives for the dairy farm and by researchers to prioritize research activities.
Synthesis and Characterization of Branched Polymers from Lipase-Catalyzed Trimethylolpropane Copolymerizations (2007)

Lipase-catalyzed terpolymerizations were performed with the monomers trimethylolpropane (B3), 1,8-octanediol (B2), and adipic acid (A2). Polymerizations were performed in bulk, at 70 °C, for 42 h, using immobilized lipase B from Candida antartica (Novozyme-435) as a catalyst. To determine the substitution pattern of trimethylolpropane (TMP) in copolymers, model compounds with variable degrees of acetylation were synthesized. Inverse-gated 13C NMR spectra were recorded to first determine the chemical shift positions for mono-, di-, and trisubstituted TMP units and, subsequently, to determine substitution of TMP units along chains. Variation of TMP in the monomer feed gave copolymers with degrees of branching (DB) from 20% to 67%. In one example, a hyperbranched copolyester with 53 mol % TMP adipate units was formed in 80% yield, with Mw 14 100 (relative to polystyrene standards), Mw/Mn 5.3, and DB 36%. Thermal and crystalline properties of the copolyesters were studied by thermogravimetric analysis and differential scanning calorimetry.
Efficient load balancing for wide-area divide-and-conquer applications (2001)

Divide-and-conquer programs are easily parallelized by letting the programmer annotate potential parallelism in the form of spawn and sync constructs. To achieve efficient program execution, the generated work load has to be balanced evenly among the available CPUs. For single cluster systems, Random Stealing (RS) is known to achieve optimal load balancing. However, RS is inefficient when applied to hierarchical wide-area systems where multiple clusters are connected via wide-area networks (WANs) with high latency and low bandwidth. In this paper, we experimentally compare RS with existing load-balancing strategies that are believed to be efficient for multi-cluster systems, Random Pushing and two variants of Hierarchical Stealing . We demonstrate that, in practice, they obtain less than optimal results. We introduce a novel load-balancing algorithm, Cluster-aware Random Stealing (CRS) which is highly efficient and easy to implement. CRS adapts itself to network conditions and job granularities, and does not require manually-tuned parameters. Although CRS sends more data across the WANs, it is faster than its competitors for 11 out of 12 test applications with various WAN configurations. It has at most 4% overhead in run time compared to RS on a single, large cluster, even with high wide-area latencies and low wide-area bandwidths. These strong results suggest that divide-and-conquer parallelism is a useful model for writing distributed supercomputing applications on hierarchical wide-area systems.
Application of a Fabry-Perot spectrometer to the measurement of spectral line shifts much smaller than line width (1976)

It is shown that the presented method employing a Fabry-Perot spectrometer is significantly superior to existing methods using grating instruments of comparable size. The optimum choice of instrumental parameters is given. The method was employed to measure the flow velocity of an argon plasma jet via the Doppler effect of the 4158-A line. Results of these measurements are given.
Lactoferrin-lipopolysaccharide interaction: involvement of the 28-34 loop region of human lactoferrin in the high-affinity binding to <i>Escherichia coli</i> 055B5 lipopolysaccharide (1995)

The ability of lactoferrin (Lf), an iron-binding glycoprotein that is also called lactotransferrin, to bind lipopolysaccharide (LPS) may be relevant to some of its biological properties. A knowledge of the LPS-binding site on Lf may help to explain the mechanism of its involvement in host defence. Our report reveals the presence of two Escherichia coli 055B5 LPS-binding sites on human Lf (hLf): a high-affinity binding site (Kd 3.6 +/- 1 nM) and a low-affinity binding site (Kd 390 +/- 20 nM). Bovine Lf (bLf), which shares about 70% amino acid sequence identity with hLf, exhibits the same behaviour towards LPS. Like hLf, bLf also contains a low- and a high-affinity LPS-binding site. The Kd value (4.5 +/- 2 nM) corresponding to the high-affinity binding site is similar to that obtained for hLf. Different LPS-binding sites for human serum transferrin have been suggested, as this protein, which is known to bind bacterial endotoxin, produced only 12% inhibition of hLf-LPS interaction. Binding and competitive binding experiments performed with the N-tryptic fragment (residues 4-283), the C-tryptic fragment (residues 284-692) and the N2-glycopeptide (residues 91-255) isolated from hLf have demonstrated that the high-affinity binding site is located in the N-terminal domain I of hLf, and the low-affinity binding site is present in the C-terminal lobe. The inhibition of hLf-LPS interaction by a synthetic octadecapeptide corresponding to residues 20-37 of hLf and lactoferricin B (residues 17-41), a proteolytic fragment from bLf, revealed the importance of the 28-34 loop region of hLf and the homologous region of bLf for LPS binding. Direct evidence that this amino acid sequence is involved in the high-affinity binding to LPS was demonstrated by assays carried out with EGS-loop hLf, a recombinant hLf mutated at residues 28-34.
Magnetic Field Effects in Electrochemistry. Voltammetric Reduction of Acetophenone at Microdisk Electrodes (1996)

The influence of an external magnetic field on the electrochemical reduction of acetophenone (AP) at Pt and Au microdisk electrodes (radii = 0.1, 6.4, 12.5, and 25 μm) is described. Voltammetric measurements in CH3CN/[n-Bu4N]PF6 solutions containing between 3 mM and 8 M AP demonstrate that the mass-transfer-limited reduction of AP at a microdisk electrode may be significantly enhanced or diminished by an external magnetic field, depending on the redox concentration, the electrode radius, and the angular orientation of the microdisk relative to the field. A mechanism for the magnetic field effect is presented that considers the force arising from the divergent radial flux of electrogenerated radical anion (AP•-) through a uniform magnetic field. Viscous drag on the field-accelerated ions results in convective fluid flow that alters the rate at which electroactive AP is transported to the surface. Both lateral and cyclotron fluid motion can be established within a microscopic volume element (∼30 nL) near the electrode surface depending on the orientation of the magnetic field with respect to the microdisk. The earth's gravitational field is demonstrated to enhance or diminish the magnetic field-induced convective flow, depending on the relative directions of the magnetic and buoyancy forces at the electrode surface.
Network management stations for Australia mobilesat network (1992)

The AUSSAT's new generation (B series) satellite carrying L band transponders will be launched in 1992. The Australian domestic mobile satellite communication system called mobilesaq, will start operation soon after the launch of the satellite. The construction of the network management stations (NMS) for the mobilesat,, system has started. The NMS is responsible for the allocation of circuit switched channels for voiceldata communication and transfer of user messages. The NMS also controls the network configuration and allocation of system resources to meet traffic loads. This paper describes the configuration and features of the mobilesab, NMS hardware and software.
Economies of scale and scope at depository financial institutions: a review of the literature (1988)

Changes in laws and regulations for the financial industry could reshape the structure of the banking industry, especially if the changes allow banks to achieve cost economies. The evidence suggests that large diversified banks have not enjoyed substantial cost advantages over smaller institutions.
Wideband speech coding robust against packet loss (2006)

This paper describes a wideband speech coding method that is robust against packet loss, and a packet transmission control method. The coding is based on 4-kHz-band CELP speech coding and consists mainly of multilevel coding using MDCT transform encoding, with a speech quality enhancement codec for the nonspeech portion and a higher subband enhancement codec for coding the higher subband at or above 4 kHz. This method can provide high-quality coding of nonspeech signals such as background music as well as wideband speech. If this coding method and packet transmission control are combined, speech transmission can continue without much deterioration even when the network becomes congested and packet loss occurs. Subjective and objective testing confirmed that, unlike conventional coding methods, high-quality speech transmission was possible even with 10% random packet loss when this method is used for speech transmission on an IP network. © 2006 Wiley Periodicals, Inc. Electron Comm Jpn Pt 3, 89(12): 20–30, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/ecjc.20291
A scalable register file architecture for dynamically scheduled processors (2002)

A major obstacle in designing dynamically scheduled processors is the size and port requirement of the register file. By using a multiple banked register file and performing dynamic result renaming, a scalable register file architecture can be implemented without performance degradation. In addition, a new hybrid register renaming technique to efficiently map the logical to physical registers and reduce the branch misprediction penalty is introduced. The performance was simulated using the SPEC95 benchmark suite.
Numbers, Vectors and Matrices (1993)

It is a fair bet that your first conscious introduction to mathematics was when you learned to count: one apple, two apples, and so on. Well, professional mathematicians too start their activities by setting up a counting system. There is one slight difference between the system they adopt and the system you became familiar with: they include the number zero at the beginning. (Zero apples is a perfectly sensible counting number; it is, in fact, exactly the number of apples I have eaten so far today.) This system, the sequence $$ 0,1,2, \ldots , $$ ((1.1)) is called the natural numbers. The natural numbers form such a useful system that they are given a special name: ℕ.
Clinicopathologic studies of primary cerebral amyloid angiopathy. (1979)

Primary cerebrovascular amyloidosis resulting in significant cerebral parenchymal damage was encountered in 23 autopsied cases at the Mayo Clinic over the past 10 years. Patients were 60 to 97 years old and both sexes were equally represented. Large- and medium-sized leptomeningeal and cortical arteries showed the characteristic pattern of medial and intimal involvement, with luminal stenosis. The walls of smaller arteries were often diffusely infiltrated, with fibrinoid degeneration and miliary aneurysm formation. The amyloid nature of the infiltrate was confirmed by electron microscopic examination in all cases. All cases showed varying numbers of perivascular or independent senile plaques in the cerebral cortex. Alzheimer's neurofibrillary tangles were absent or were limited to the hippocampal region in all but two cases. Multiple, small cortical infarcts and hemorrhages were regularly present. Larger hemorrhage was present in nine cases. Of nine patients with terminal massive cerebral hemorrhage, only two were hypertensive. Six patients had had progressive dementia; four had had single episodes of vascular events and seven, multiple episodes; and four had had both dementia and vascular episodes. Primary cerebral amyloid angiopathy should be regarded as an important cause of mental deterioration and fatal cerebrovascular accidents in the elderly.