Framtagning av prototyp för att läsa och dokumentera kundspecifikationer

To increase the quality in their products ABB is working towards a cleared order concept. That means that all customer specified options are to be known before they start with order calculations and construction. As it is today they use paper checklists to achieve this. One order may have several reactors, and for a reactor there can be several different alternatives. For each alternative a new checklist must be filled out.As of today all reading of the customer specification and checklist fill in with is done by hand by different persons, and sometimes the same data is read more than one time. All data is also manually inserted into the calculation tools.To decrease the risk that data is left out or gets distorted they want to have a tool to aid with the reading of the specification and the documentation of that work. Already read data can be copied over to another alternative so that it not must be read one more time. The read data are to be stored in a database so that it easily can be per automation inserted into the different design tools.

Techno-economic Appraisal of Concentrating Solar Power Systems (CSP)

The diffusion of Concentrating Solar Power Systems (CSP) systems is currently taking place at a much slower pace than photovoltaic (PV) power systems. This is mainly because of the higher present cost of the solar thermal power plants, but also for the time that is needed in order to build them. Though economic attractiveness of different Concentrating technologies varies, still PV power dominates the market. The price of CSP is expected to drop significantly in the near future and wide spread installation of them will follow. The main aim of this project is the creation of different relevant case studies on solar thermal power generation and a comparison betwwen them. The purpose of this detailed comparison is the techno-economic appraisal of a number of CSP systems and the understanding of their behaviour under various boundary conditions. The CSP technologies which will be examined are the Parabolic Trough, the Molten Salt Power Tower, the Linear Fresnel Mirrors and the Dish Stirling. These systems will be appropriatly sized and simulated. All of the simulations aim in the optimization of the particular system. This includes two main issues. The first is the achievement of the lowest possible levelized cost of electricity and the second is the maximization of the annual energy output (kWh). The project also aims in the specification of these factors which affect more the results and more specifically, in what they contribute to the cost reduction or the power generation. Also, photovoltaic systems will be simulated under same boundary conditions to facolitate a comparison between the PV and the CSP systems. Last but not leats, there will be a determination of the system which performs better in each case study.

Common Features in Vector Nonlinear Time Series Models

This thesis consists of four manuscripts in the area of nonlinear time series econometrics on topics of testing, modeling and forecasting nonlinear common features. The aim of this thesis is to develop new econometric contributions for hypothesis testing and forecasting in these area. Both stationary and nonstationary time series are concerned. A definition of common features is proposed in an appropriate way to each class. Based on the definition, a vector nonlinear time series model with common features is set up for testing for common features. The proposed models are available for forecasting as well after being well specified. The first paper addresses a testing procedure on nonstationary time series. A class of nonlinear cointegration, smooth-transition (ST) cointegration, is examined. The ST cointegration nests the previously developed linear and threshold cointegration. An Ftypetest for examining the ST cointegration is derived when stationary transition variables are imposed rather than nonstationary variables. Later ones drive the test standard, while the former ones make the test nonstandard. This has important implications for empirical work. It is crucial to distinguish between the cases with stationary and nonstationary transition variables so that the correct test can be used. The second and the fourth papers develop testing approaches for stationary time series. In particular, the vector ST autoregressive (VSTAR) model is extended to allow for common nonlinear features (CNFs). These two papers propose a modeling procedure and derive tests for the presence of CNFs. Including model specification using the testing contributions above, the third paper considers forecasting with vector nonlinear time series models and extends the procedures available for univariate nonlinear models. The VSTAR model with CNFs and the ST cointegration model in the previous papers are exemplified in detail,and thereafter illustrated within two corresponding macroeconomic data sets.

Personlighetsbedömning i samband med rekrytering : En studie om bemanningsbranschens personlighetsbedömning vid en rekrytering

Att medarbetare är av existentiell betydelse för en organisations överlevnad är sedan länge känt. Därmed är rekrytering en av de viktigaste funktionerna inom HR för att attrahera rätt kompetens till organisationen då en misslyckad rekrytering vanligen leder till bortkastad tid och dyra rekryteringsprocesser. Något som kommit att få allt större betydelse vid urvalet och bedömningen av nya medarbetare är kandidaters personlighet. Forskning visar att personlighetsdrag spelar en stor roll när det kommer till framtida arbetsprestationer och förmågan att göra rätt bedömningar av människor är därför central. Teorier om synen på personlighet, kompetens, kompetensbaserad rekrytering och urval samt bedömningsmetoder och personlighetsbedömning används för att analysera studiens resultat. Denna kvalitativa studies övergripande syfte var att öka förståelsen för hur rekryterare bedömer en kandidats personlighet vid en rekryteringsprocess inom bemanningsföretag. Bemanningsföretag är företag som ständigt arbetar med rekrytering och uthyrning av personal, varför ett proaktivt bemanningsarbete krävs för att skapa en konkurrensfördel på marknaden. Inför denna fallstudie kontaktades tre av den svenska bemanningsbranschens största aktörer varav två rekryterare på vardera företag deltog i semistrukturerade intervjuer. Personlighet ansågs generellt som något viktigt som samtliga rekryterare lade stor vikt vid under hela processens gång, från utformandet av kravprofilen till avslutande bedömning. Bedömningen skedde genom såväl test som intervju och referenstagning. Samtliga poängterade vikten av att alltid göra en helhetsbedömning av kandidaten och att det därmed var svårt att vikta exempelvis formella kompetenser mot personliga egenskaper. Resultatet visar att bemanningsbranschens arbete med personlighetsbedömning vid rekrytering utgår ifrån strukturerade bedömningsmetoder. Deras gedigna och proaktiva arbete med rekrytering lever upp till påståendet om att personalen är en organisations viktigaste resurs och vikten av att förstå innebörden av personlighetens betydelse i uttrycket ”rätt person på rätt plats”.