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Control unit for BLDC motor
Krejčí, Ondřej ; Cipín, Radoslav (referee) ; Procházka, Petr (advisor)
This master„s thesis elaborates with EC motors problematic. There are described essential features of brushless DC motors, their principles, construction and methods for rotor position detection. There are mentioned commonly used control algorithms of EC motors including theory of three-phase convertors. This thesis also contains a complex design of the universal convertor for EC motor and its practical implementation. Power parts losses calculation, heat-sink calculation and measurements at the convertor prototype are also described in this thesis.
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Support for Educational Intermediate Language
Krejčí, Ondřej ; Tomko, Martin (referee) ; Křivka, Zbyněk (advisor)
This bachelor's thesis deals with the creation of software support for educational intermediate codes IPPcode, IFJcode and VYPcode which are used at FIT BUT in courses covering compilers. The aim of this thesis is the creation of an extension for an existing source code editor which adds syntax highlighting, interpreter and debugger for the mentioned intermediate codes. This thesis contains an evaluation of possible editors. Subsequently, it describes options for extending the selected editor Visual Studio Code and the implementation of the extensions.
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Analysis of preparatory factors of landslides, Vsetínské vrchy Highland
Klimeš, Jan ; Vilímek, Vít (advisor) ; Kirchner, Karel (referee) ; Krejčí, Oldřich (referee)
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Support for Educational Intermediate Language
Krejčí, Ondřej ; Tomko, Martin (referee) ; Křivka, Zbyněk (advisor)
This bachelor's thesis deals with the creation of software support for educational intermediate codes IPPcode, IFJcode and VYPcode which are used at FIT BUT in courses covering compilers. The aim of this thesis is the creation of an extension for an existing source code editor which adds syntax highlighting, interpreter and debugger for the mentioned intermediate codes. This thesis contains an evaluation of possible editors. Subsequently, it describes options for extending the selected editor Visual Studio Code and the implementation of the extensions.
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Analysis of preparatory factors of landslides, Vsetínské vrchy Highland
Klimeš, Jan ; Vilímek, Vít (advisor) ; Kirchner, Karel (referee) ; Krejčí, Oldřich (referee)
iEiiiffgi gi íiiígiiĚ giiii é giggEgiá- iágiiiiiga,ť*lařii;Éiígí;aiiÉglgg*íi EÉiffEli{!Ě ,lzžíu:;: ,il1:žT:l:z1: !;! iglÉ ;11Ě,;E; EáÉž11#1i ť*1E ?:EEi íÉĚ:iá iíiieiei;=íii*{iiáEgi ialgi *Ě:;Ě:Ě í:; ;iiiiiilai;; 9iÉiiÉíE 1* EÉ*ílÉ:;EÉ *aili-řěEEř€ aÉ-ite-5š;iiÉiá3 ;Ěi zl1tE ag;EE5E Ě -= u;Ěii ltgigEgi;iílEi:i€* iiti*g;iE; iiŤáEEĚ, *šiE;á=E íiiíšiř{;iEi{!i?iáĚi iii{i*g: iiigEEigE:íii;giis glggšitÍgí ĚĚ : Ě5 É!* u ; E ; ?Ei ; ei; l Éiii* ii i ĚÉíÉ1ž=ž? z,EE íEt * ggái i* gi šiiiigi i i iE ; *ÉiEi i; i iii € u i €g:É€ 5 3 6 Hiř:"? = ?.:i ř:č j'* i g5E =;řfrE: l = ) i ;E;* g !=;= ě € ==.gE ;;:EE E HŤ*E !,.Žr'Ý-ž ;ri-*€ = =:€i E Íá 3= sěÉcÉi;É3ET Ú a,=._ 53J } o .aš'iÉá EEĚ.ř= ;Ť{E= sšgéí,,ž,z-ý.j2é k:= cL'2 TEÉE= ai =É;€ :iÉÉ=řÉ€iEiř € 8 Ť: q ÍE a š. Í :ál*gŘ3ŤcE;; ;F=Ee*EĚĚ.=_?É igBiE;.!3s=, se*č..:;Eg Ee g; E3: €ŤEŤ g,.eě P (n L a {) {ts {) 0.) q I (J q O () ag a 9 Ó] a a an gÉE.;É!€ťEŤ€É=E ť; :':=veu.?!7 Éi'*Ť 3 .=':.9Ú'=t.*; ;:aEi ;€E=iE;:éL c7..-9 -a TiečryE,.€: ;ě€:g = =*=uši*=.'! cÍsĚr + *E; :9*t;€* E;šTšž ;.0'Ěgřl;!ř ucc;ř 1 +Ú ó.9'-5Ť.=- a frĚ5c 3 * 1.ž=E6=:{3; č€*..Eg ,š i-E0]sĚ';5=É.a:ř*E 5 Íš;tĚ3É='*,7E':ĚE :Ě gEát;g;+-iE T':,ťqE € iš;:=E.3třř #tzĚÍ'. .2 :ť'i.ť:*E!šsaťíÉEě EĚE59;;EE! :řEi'i Č ĚE-eaiÉÉ;;sě::ÉřEa-.Lu q.'|..:-€= .t>.;oEi = ;É€"",,šÉÉ5:!E:ezzi íi2žeÉ':"' ěE b x 5 .''E :=...
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DFT simulations of interaction of organic molecules with oriented surfaces
Krejčí, Ondřej ; Kocán, Pavel (advisor) ; Lazar, Petr (referee) ; Palotás, Krisztián (referee)
This thesis concerns my theoretical calculations and simulations in comparison with experimental measurements acquired by means of surface science techniques on bare surfaces and molecules adsorbed on surfaces. In the beginning of the thesis I briefly describe the density functional theory (DFT) method, which is used for calculations of geometric and electronic structure of surfaces and absorbed molecules. It is followed by a quick overview of the scanning probe microscopy (SPM) and X-ray spectroscopy techniques that provided experimental context for my calculations. In the later part of my thesis I introduce publications on which I participated. In these works, direct results of my DFT calculations or simulations based on DFT outputs helped to reveal geometric and electronic structure of acetophenone adsorbed on Si(111) surface, on-surface oligomerized organic molecules and boron atoms used for substitational doping of graphene. The simulations also enable us to probe a laser initiated CO hydrogenation in real time. A big part of my work was the development of some simulation methods for SPM imaging of molecules on surfaces with flexible tip apexes. These simulation methods helped to create a comprehensive overview of SPM techniques performed with flexible tip apexes. 1
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Theory of archetypes and using of symbols during branding of insurance companies in Czech Republic
Krejčí, Ondřej ; Machek, Martin (advisor) ; Karlíček, Miroslav (referee)
Theory of archetypes is one of several methods how to find the direction for building and managing of brand. This theory is based on theories C. G. Jung. Main objective of this thesis is to find out how companies on Czech market are using archetypal identity. And whether they have urge to use archetypes or similar approaches. In this thesis are also mentioned other theories, methods and methodologies, which helps with building and managing of brands. Practical part of this thesis is about branding of insurance companies. Main element of this part is quality research, especially interview with experts, which have lot of experience with branding and archetypes. Next part of thesis is focused on analysis of communication strategies of largest insurance companies on Czech market and on analysis of rebranding ING to NN in 2015.
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