Tuotannollisen testerin suunnittelu tiedonsiirtolinkkikortille

Työssä suunniteltiin ja toteutettiin linkkikorttien tuotannollinen testeri. Linkkikortti on osa CERN:iin rakennettavan hiukkaskiihdyttimen Large Hadron Colliderin koeasema Compact Muon Solenoidin luentajärjestelmää. Linkkikortin tehtävänä on muuttaa rinnakkaismuotoinen LVDS-signaali sarjamuotoiseksi optiseksi signaaliksi. Testattaessa testeri ja linkkikortti sijoitetaan kehikkoon, joten testerin liittimien pitää olla linkkikortin liittimien kanssa identtisiä. Testerin lähdöt ovat linkkikortin tuloja ja toisinpäin. Tällöin testattaessa voidaan ohjelmoitavien FPGA-piirien avulla lähettää signaalia kortilta toiselle. Vastaanottavan kortin FPGA-piirin avulla voidaan tarkistaa, onko data tullut perille muuttumattomana. Testin ohjaus tapahtuu tietokoneella, jolla käyttäjä antaa käskyn testin aloittamisesta ja jonne lopulta myös raportoidaan testin tulokset. Testien tulokset näytetään myös testerin ledeillä. Työssä ei pystytä linkkikorttien puuttumisen takia testaamaan testeriä loppukäytössään. Kuitenkin testerin toimivuus pystyttiin suurilta osin testaamaan, jolloin saatiin odotettuja tuloksia.

Marine casualty report : entanglement of the submersible Johnson Sea Link with submerged wreckage off Key West, Florida on or about 17 June 1973 with loss of life : U.S. Coast Guard Marine Board of Investigation report and commandant's action : action by National Transportation Safety Board /

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Board composition and corporate performance: How the Australian experience informs contrasting theories of corporate governance

In many respects, Australian boards more closely approach normative best practice guidelines for corporate governance than boards in other Western countries. Do Australian firms then demonstrate a board demographic-organisational performance link that has not been found in other economies? We examine the relationships between board demographics and corporate performance in 348 of Australia's largest publicly listed companies and describe the attributes of these firms and their boards. We find that, after controlling for firm size, board size is positively correlated with firm value. We also find a positive relationship between the proportion of inside directors and the market-based measure of firm performance. We discuss the implications of these findings and compare our findings to prevailing research in the US and the UK.

Electronic Bulletin Board System, HR-345, 1998

The primary objectives of the Electronic Bulletin Board System (BBS) project were to: (1) Provide an electronic communication tool which would link city and county engineering offices to each other and to other governmental agencies for messaging and data sharing; (2) Provide a dial-up site for reference information or files accessible on-demand; and (3) Provide a "stepping stone" to the world of electronic data transfer, recognizing that most local government employees face a huge complex of technology with limited knowledge of computers and communications tools. The system was designed to be as simple as possible, and to require minimal equipment and software cost to the users. The original system was an Apex 386/25 computer with MS-DOS 5.0 software and the final configuration was an HP Vectra XM Pentium 90 with MS-NT 3.51 and Mustang - Wildcat 5.0 software. The users of the BBS were county engineers and their staff, offices in the central office of the Iowa Department of Transportation (DOT) and Resident Construction Engineers at the Iowa DOT. Much of the activity was between the county engineers, and their staffs, and the Iowa DOT offices with which they have ongoing business activities. The BBS contained files for mapping, Internet e-mail service, Accident Location Analysis System (ALAS) data, Iowa DOT bid lettings, and Autocad and Intergraph maps and standards. The 800 line calls were recorded and gave the best indication of the usage and the trends that were being followed. The usage tended to be higher in the winter months when design activities are occurring and lower in the summer months when the construction is in progress. The project was judged a success. The BBS did provide a "stepping stone" to the world of electronic data transfer.

Influence Of AirContent On Board Properties

Työn tarkoitus oli testata kartonkikoneen lyhyen kierron ilmapitoisuuden merkitystä kartongin ominaisuuksiin. Aluksi työssä selvitettiin ilmapitoisuuden alkutilanne käyttäen kompressioilmiöön perustuvaa ilmapitoisuusmittaria. Sen jälkeen tehtiin kokeita käyttäen POMp-pumppua sekä vaahdonestoainetta. Tarkoituksena oli luoda yhteys prosessin ilmapitoisuuden ja lopputuotteen ominaisuuksien välille. POMp-kokeissa tutkittiin keskipakopumppauksen vaikutusta massan ilmapitoisuuteen. Tuloksista nähdään, että pintakerroksen ilmapitoisuus oli suurempi kuin taustakerroksen, mikä selittyy POMp-pumpun sijainnilla taustakerroksen lyhyessä kierrossa. Vaahdonestoainekokeissa saatiin myös vaikutuksia massan ilmapitoisuuteen. Vaahdonestoaineen lisäyksen jälkeen runkokerroksenilmapitoisuus laski, kun samanaikaisesti pinta- ja taustakerroksen sekä rejektisysteemin ilmapitoisuudet nousivat. Ilmapitoisuuden käytöksen syyksi paljastui lyhyen kierron yhteinen vesikierto ja nykyisille tuotantomäärille alimitoitettu ilmanpoistokapasiteetti. Vaahdonestoaineen lisäyksen jälkeen vedenpoisto parani ja ensimmäisillä kolmella runkokerroksen foililaatikolla havaittiin poistuvan veden virtausten kasvaneen. Samaan aikaan runkokerroksen viiraosan lopulla poistuvan veden virtaukset pienenivät. Kartongin ominaisuuksissa ei havaittu kuitenkaan eroa, vaikka vedenpoisto parani viiraosalla selvästi. Vaahdonestoainekokeiden aikana oli myös tavallista enemmän ajettavuusongelmia, kuten ratakatkoja. Prosessissa esiintyneitä ongelmia ja niihin reagoivia muutosehdotuksia esitellään myös. Vaikein ongelma oli ilman muodostuminen runkokerroksen lyhyessä kierrossa. Ratkaisu voisi koostua isommasta keskikerroksenvesilukkosäiliöstä ja runkokerroksen lyhyen kierron puhdistusveden uudelleen kohdentamisesta. Voisi myös olla hyödyllistä yrittää ilmanpoistoa kemikaalien avulla kiertoveden varastosäiliössä.

Hardware and software development of a multichannel readout board named CARLOSrx for the ALICE experiment

ALICE, that is an experiment held at CERN using the LHC, is specialized in analyzing lead-ion collisions. ALICE will study the properties of quarkgluon plasma, a state of matter where quarks and gluons, under conditions of very high temperatures and densities, are no longer confined inside hadrons. Such a state of matter probably existed just after the Big Bang, before particles such as protons and neutrons were formed. The SDD detector, one of the ALICE subdetectors, is part of the ITS that is composed by 6 cylindrical layers with the innermost one attached to the beam pipe. The ITS tracks and identifies particles near the interaction point, it also aligns the tracks of the articles detected by more external detectors. The two ITS middle layers contain the whole 260 SDD detectors. A multichannel readout board, called CARLOSrx, receives at the same time the data coming from 12 SDD detectors. In total there are 24 CARLOSrx boards needed to read data coming from all the SDD modules (detector plus front end electronics). CARLOSrx packs data coming from the front end electronics through optical link connections, it stores them in a large data FIFO and then it sends them to the DAQ system. Each CARLOSrx is composed by two boards. One is called CARLOSrx data, that reads data coming from the SDD detectors and configures the FEE; the other one is called CARLOSrx clock, that sends the clock signal to all the FEE. This thesis contains a description of the hardware design and firmware features of both CARLOSrx data and CARLOSrx clock boards, which deal with all the SDD readout chain. A description of the software tools necessary to test and configure the front end electronics will be presented at the end of the thesis.

A Hierarchical Tracking Strategy for Vision-Based Applications On-Board UAVs

In this paper, we apply a hierarchical tracking strategy of planar objects (or that can be assumed to be planar) that is based on direct methods for vision-based applications on-board UAVs. The use of this tracking strategy allows to achieve the tasks at real-time frame rates and to overcome problems posed by the challenging conditions of the tasks: e.g. constant vibrations, fast 3D changes, or limited capacity on-board. The vast majority of approaches make use of feature-based methods to track objects. Nonetheless, in this paper we show that although some of these feature-based solutions are faster, direct methods can be more robust under fast 3D motions (fast changes in position), some changes in appearance, constant vibrations (without requiring any specific hardware or software for video stabilization), and situations in which part of the object to track is outside of the field of view of the camera. The performance of the proposed tracking strategy on-board UAVs is evaluated with images from realflight tests using manually-generated ground truth information, accurate position estimation using a Vicon system, and also with simulated data from a simulation environment. Results show that the hierarchical tracking strategy performs better than wellknown feature-based algorithms and well-known configurations of direct methods, and that its performance is robust enough for vision-in-the-loop tasks, e.g. for vision-based landing tasks.

The experiment CPLM (comportamiento de puentes líquidos en microgravedad) on board Minisat 01

The Universidad Politécnica de Madrid participates in the MINISAT 01 program as the experiment CPLM responsible. This experiment aims at the study of the fluid behaviour in reduced gravity conditions. The interest of this study is and has been widely recognised by the scientific community and has potential applications in the pharmaceutical and microelectronic technologies (crystal growth), among others. The scientific team which has developed the CPLM experiment has a wide experience in this field and had participate in the performance of a large number of experiments on the fluid behaviour in reduced gravity conditions in flight (Spacelab missions, TEXUS sounding rockets, KC-135 and Caravelle aeroplanes, drop towers, as well as on earth labs (neutralbuoyancy and small scale simulations). The experimental equipment used in CPLMis a version of the payload developed for experimentation on drop towers and on board microsatellites as the UPM-Sat 1, adapted to fly on board MINISAT 01.

Mealtime minutes : your link to the child and adult care food program.

Mode of access: Internet.

Dynamic job quoting system for printed circuit board fabrication

This research deals with the development of a dynamic job quotation system for printed circuit board (PCB) fabrication, which can estimate the price and completion time of a job based on customer preference and current capacity of the shop floor. The primary purpose of building a dynamic quotation system is to maximize the company's profit by quoting optimum lead-time and competitive price for the day-to-day orders received from different customers and original equipment manufacturers. The system was developed using MS-Access relational database. Evaluating the output of the system it was observed that the dynamic system provided more reliable estimation of the lead-time needed for fabricating new jobs. The overall price quoted by the system was competitive with higher profit margin when compared to traditional static systems. This system would therefore provide a vital link between the job quoting and scheduling system of the firm enabling better utilization of the available resources.

30 years of upper air soundings on board of R/V POLARSTERN (1982-12-29 to 2012-11-25)

The research vessel and supply icebreaker POLARSTERN is the flagship of the Alfred-Wegener-Institut in Bremerhaven (Germany) and one of the infrastructural pillars of German Antarctic research. Since its commissioning in 1982, POLARSTERN has conducted 30 campaigns to Antarctica (157 legs, mostly austral summer), and 29 to the Arctic (94 legs, northern summer). Usually, POLARSTERN is more than 300 days per year in operation and crosses the Atlantic Ocean in a meridional section twice a year. The first radiosonde on POLARSTERN was released on the 29th of December 1982, two days after POLARSTERN started on its maiden voyage to the Antarctic. And these daily soundings have continued up to the present. Due to the fact that POLARSTERN has reliably and regularly been providing upper air observations from data sparse regions (oceans and polar regions), the radiosonde data are of special value for researchers and weather forecast services alike. In the course of 30 years (1982-12-29 to 2012-11-25) a total of 12378 radiosonde balloons were started on POLARSTERN. All radiosonde data can now be found here. Each dataset contains the directly measured parameters air temperature, relative humidity and air pressure, and the derived altitude, wind direction and wind speed. 432 datasets additionally contain ozone measurements.

Adipokines: Another Link Between Obesity And Hypertension.

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Myoglobins: the link between discoloration and lipid oxidation in muscle and meat

Aerobic metabolism changes rapidly to glycolysis post-mortem resulting in a pH-decrease during the transformation of muscle in to meat affecting ligand binding and redox potential of the heme iron in myoglobin, the meat pigment. The inorganic chemistry of meat involves (i) redox-cycling between iron(II), iron(III), and iron(IV)/protein radicals; (ii) ligand exchange processes; and (iii) spin-equilibra with a change in coordination number for the heme iron. In addition to the function of myoglobin for oxygen storage, new physiological roles of myoglobin are currently being discovered, which notably find close parallels in the processes in fresh meat and nitrite-cured meat products. Myoglobin may be characterized as a bioreactor for small molecules like O2, NO, CO, CO2, H2O, and HNO with importance in bio-regulation and in protection against oxidative stress in vivo otherwise affecting lipids in membranes. Many of these processes may be recognised as colour changes in fresh meat and cured meat products under different atmospheric conditions, and could also be instructive for teaching purposes.

Environmental management system and human resource practices: is there a link between them in four Brazilian companies?

The aim of this article is to analyze the theoretical model proposed by [Jabbour CJC, Santos FCA. Relationships between human resource dimensions and environmental management in companies: proposal of a model. Journal of Cleaner Production 2008;16(1):5 1-8.] based on the data collected in four Brazilian companies. This model investigates how the phases of the environmental management system can be linked to human resource practices in order to attain continuous improvement of a company`s environmental performance. Our aim is to contribute to a field, which has little empirical evidence. Although the interaction between the phases of the environmental management system and human resource practices is recommended by the specialized literature [Daily BE Huang S. Achieving sustainability through attention to human resource factors in environmental management. International Journal of Operations and Production Management 2001:21(12):1539-52.], the results indicate that most of the theoretical assumptions could not be confirmed in these Brazilian companies. (C) 2008 Elsevier Ltd. All rights reserved.