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This work presents an observer design for grid current and capacitor voltage of voltage source pulse-width modulation (PWM) converters with LCL filter. Theoretical aspects including the mathematical LCL filter system observability, observer placement strategy and practical discretization implementation. It gives insight to mathematical modelling of the line filters dynamics. By the limitations of
The importance of the alluring goal of having the “perfect” or “true” information is more than visible in the financial world. In portfolio management financial correlation matrices measure the unsystematic correlations between assets e.g. stocks. Finding the true correlations between stocks would enable the creation of portfolios with less risk. In reality this information is more than hard to co
This paper explores freshwater reservoir greenhouse gas emissions from a policy perspective. Existing science on reservoir emissions indicates that reservoirs can emit significant amounts of greenhouse gases and this is of particular concern for tropical reservoirs. Current scientific knowledge has led to some precautionary policy measures, but, in general, policy development has been slow. At the
The Sami people have a long history of colonization, discrimination, marginalization and prosecution in their past. My thesis deals with how the Sami identity is created and reproduced today and how it has been shaped in the light of the history of the Sami people and the policies pursued by the Swedish government through times, and also why the search for identity, heritage and roots has had such
The aim of this study is to 1) describe the structure and types of associational and organizational networks within immigrant women’s community in southern Sweden Malmö, Lund and Eslöv, 2) examine how such networks facilitate Thai women’s well-being and integration by providing social supports and services, and 3) present how Thai women perceive the role of social and organizational networks in re
This thesis investigates the main obstacles preventing PLWHA in Jamaica from accessing treatment. Currently the number of PLWHA accessing treatment in Jamaica is lower than would be expected. This research utilises qualitative data collection methods in order to canvass the views of a broad range of individuals involved in the fight against HIV in Jamaica. These include PLWHA, NGO workers, Civil
Hydrogen peroxide treatment is a cost-effective and simple method to improve the bioactivity of titanium implants. In this study, the effects of chloride ion concentration and temperature of hydrogen peroxide on the surface treatment of titanium were investigated using X-ray diffractometry (XRD), Field Emission-Scanning Electron Microscopy (FESEM), and tests in order to determine wettability and a
This article offers an analysis of three popular Swedish handbooks for new parents, written by authors in the “media class.” In these texts breastfeeding as a gendered, embodied practice collides with the Swedish ideal of gender-equal parenting. The analysis explores the various ways that gendered bodies, gendered (parental) rights, and gender equality figure in the handbooks, drawing upon feminis
Yangia sp. ND199 is a moderately halophilic bacterium isolated from mangrove samples in Northern Vietnam, which was earlier reported to grow on several sugars and glycerol to accumulate poly(hydroxyalkanoates) (PHA). In this study, the potential of the bacterium for co-production of exopolysaccharides (EPS) and PHA was investigated. Genome sequence analysis of the closely related Yangia sp. CCB-M3
This paper investigates how multiple in-cycle closed-loop combustion controllers can be integrated for a seamless operation under a wide-range of operating conditions. The stochastic cyclic variations of the combustion can be successfully compensated by the adjustment of the fuel injection pulses within the same cycle. The feedback information and controllability obtained relies on the different o
In Bolivia climate change and anthropogenic activities such as extensive agriculture, industries and urbanization have increased the groundwater demand and extraction, which is leading to severe stress on groundwater resources in several regions of Bolivia. This research aims to present an overview of different geophysical surveys performed in Valle Alto (central Bolivia), in particular in the Pun
Streptococcus pneumoniae (pneumococcus) resides asymptomatically in the nasopharynx but can progress from benign colonizer to lethal pulmonary or systemic pathogen. Both viral infection and aging are risk factors for serious pneumococcal infections. Previous work established a murine model that featured the movement of pneumococcus from the nasopharynx to the lung upon nasopharyngeal inoculation w
Despite the fact that the laser-cooling method is a well-established technique to obtain ultracold neutral atoms and atomic cations, it has rarely if ever been applied to atomic anions due to the lack of suitable electric-dipole transitions. Efforts of more than a decade have until recently only resulted in La- as a promising anion candidate for laser cooling, but our previous work [Tang et al., P
Solar radiation plays a pivotal role in the energy balance at the Earth's surface, evaporation, snow melting, water requirements of plants, and hydrological control of catchments. In this work, performance of ERA-Interim (a reanalysis dataset) was examined to estimate solar radiation at Ahvaz, BandarAbbas, and Kermanshah weather stations representing the even spatial distribution over Iran using e
BackgroundThe efficacy of technology-delivered cognitive-behavioral therapy (tCBT) for pediatric anxiety disorders (ADs) is uncertain as no meta-analysis has examined outcomes in trials that used structured diagnostic assessments at pre- and posttreatment.MethodsWe carried out a systematic review and meta-analysis of randomized controlled trials (RCTs) of tCBT for pediatric ADs that included parti
Microscopy analysis of tumour samples is commonly performed on fixed, thinly sectioned and protein-labelled tissues. However, these examinations do not reveal the intricate three-dimensional structures of tumours, nor enable the detection of aberrant transcripts. Here, we report a method, which we name DIIFCO (for diagnosing in situ immunofluorescence-labelled cleared oncosamples), for the multimo
A novel kind of Z-scheme ternary heterojunctions phosphate-doped BiVO4/graphene quantum dots/P-doped g-C3N4 (BVP/GQDs/PCN) were fabricated for the visible light degradation of norfloxacin (NOR), a typical antibiotic. Compared with binary type-II heterojunction phosphate-doped BiVO4/PCN (BVP/PCN), Z-scheme BVP/GQDs/PCN exhibited promoted interfacial charge transfer efficiency and broadened visible
Background: Long-term follow-up (LTFU) care for childhood, adolescent, and young adult (CAYA) cancer survivors is essential to preserve health and quality of life (QoL). Evidence-based guidelines are needed to inform optimal surveillance strategies, but many topics are yet to be addressed by the International Late Effects of Childhood Cancer Guideline Harmonization Group (IGHG). Therefore, the Pan
A considerable portion of government health-care spending is allocated to the continuous monitoring of patients suffering from cardiovascular diseases, particularly myocardial infarction (MI). Wearable devices present a cost-effective means of monitoring patients' vital signs in ambulatory settings. A major challenge is to design such ultra-low energy devices for long-Term patient monitoring. In t
Introduction: The aim of this study was to evaluate if surface guided radiotherapy (SGRT) can decrease patient positioning time for localized prostate cancer patients compared to the conventional 3-point localization setup method. The patient setup accuracy was also compared between the two setup methods. Materials and methods: A total of 40 localized prostate cancer patients were enrolled in this
