A new behavioural model for performance evaluation of common mode chokes

A galvanically isolated three-phase AC/AC converter with a high-frequency AC-link has been analyzed from an EMC point of view. This is a special configuration because of a large number of switches, a high frequency transformer, and a fourwire output. The essential coupling paths are identified. Corresponding suppression remedies are given. The results, before and after measures, have been presented to demonstrate the improvement in EMC. Keywords: AC/AC converter; electromagnetic interference; galvanically isolate

A Kernel Test for Three-Variable Interactions

We introduce kernel nonparametric tests for Lancaster three-variable interaction and for total independence, using embeddings of signed measures into a reproducing kernel Hilbert space. The resulting test statistics are straightforward to compute, and are used in powerful interaction tests, which are consistent against all alternatives for a large family of reproducing kernels. We show the Lancaster test to be sensitive to cases where two independent causes individually have weak influence on a third dependent variable, but their combined effect has a strong influence. This makes the Lancaster test especially suited to finding structure in directed graphical models, where it outperforms competing nonparametric tests in detecting such V-structures

Institutions for Climate Adaptation: An Inventory of Institutions in the Netherlands that are Relevant for Climate Change

One of the goals of project IC12, a research project of the Climate changes Spatial Planning programme, is to assess if the formal institutions operating in the Netherlands are improving or hampering adaptive capacity. In order to answer the research question, the most important documents referring to those institutions need to be evaluated. This document presents an initial inventory of these adaptation institutions – i.e. policy plans, laws and directives, reports and other documents that seemed relevant to the question at hand

Genetic aspects of feed intake in lactating sows

Productivity of sows has increased worldwide, especially during the last decade. Sows have been changed genetically to produce larger litters. It was hypothesized that including feed intake or feed efficiency during lactation or both in the breeding objective for dam lines is necessary to facilitate sow’s future increase of unproblematic production of grower-finishers that efficiently convert feed into meat. Increasing feed intake of sows is one solution to prevent excessive mobilization from body stores. As a result of selection for leaner pigs with higher feed efficiency, however, feed intake tends to decrease because high leanness and high feed efficiency are genetically associated with low appetite. There is a risk, therefore, that feed intake during lactation reduces due to selection for lean and efficient finishing pigs. In this thesis a model was developed to estimate the energy efficiency of a lactating sow based on on farm observations enabling large scale data recording. Increasing energy efficiency during lactation might be a solution to overcome the apparent contradiction of the desired direction of selection for feed intake during growing-finishing and lactation. Increased energy efficiency during lactation will yield more milk output given the feed intake and mobilization from body stores. To study the consequences of selection, heritabilities and genetic correlations were estimated for fertility, lactation performance and growing-finishing characteristics. For growing-finishing characteristics the genetic models contained social interactions and for lactation feed intake, environmental sensitivity was studied as well. The main conclusion of a simulation of a breeding program in pigs was that it is possible to achieve a balanced genetic progress in fertility, lactation performance and growing-finishing characteristics. Genetic regulation of feed intake during growing-finishing is to a large extend different from genetic regulation of feed intake during lactation. Results of this thesis show that feed intake of sows during lactation is not an immediate risk for further improvement of more and heavier piglets. Higher piglet production is still on its way via the genetic pipeline and will continue to increase by selection for more and heavier piglets. Selection for increased milk production or litter weight gain is preferred; this will lead to increased protein and energy demands as well. At all events, sows need to eat more and be more efficient at the same time to keep up with this increased demand. It is a question of tuning the breeding objective in order to optimize the relation between feed intake and body weight losses during lactation. </p

The Role of Prepositions in Case Mismatches in Free Relatives

In this paper, I discuss six patterns of case mismatches in free relatives that arise in German. Four of the six have been accounted for in Bergsma (submitted), using grafting (Van Riemsdijk 2006) and the case hierarchy in nanosyntax (Caha 2009). I show that the (un)grammaticality of free relatives with case mismatches involving prepositions follows directly from this analysis. That is, if the embedded clause requires a less complex case than the main clause, additional merged features are spelled out by a separate lexical entry, and an override the spellout of the relative pronoun is avoided