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Software Engineering Meets Control Theory

The software engineering community has proposed numerous approaches for making software self-adaptive. These approaches take inspiration from machine learning and control theory, constructing software that monitors and modifies its own behavior to meet goals. Control theory, in particular, has received considerable attention as it represents a general methodology for creating adaptive systems. Con

Development and characterization of electrochemical cantilever sensor for bio/chemical sensing applications

We report the improvements made to our previously developed electrochemical cantilever (EC) sensor, where nanoporous gold material is employed as working electrodes in microcantilever arrays, while combined counter-reference electrodes are integrated on the chip. For a surface stress change of 1mN/m induced on the microcantilever, the cantilever deflects is 7.3 nm at the free end, indicating high

Never My Daughters: A Qualitative Study Regarding Attitude Change Toward Female Genital Cutting Among Ethiopian and Eritrean Families in Sweden

To explore attitudes toward female genital cutting (FGC) in a migration perspective, qualitative interviews were conducted with men and women from Ethiopia and Eritrea in Sweden. We found firm rejection of all forms of FGC and absence of a guiding motive. Informants failed to see any meaning in upholding the custom. We conclude that children of Ethiopian or Eritrean parents resident in Sweden run

Massive MIMO for 5G: Theory, Implementation and Prototyping

This chapter presents a flexible platform that supports prototyping up to 20 MHz bandwidth 128-antenna multiple input, multiple output (MIMO). It devotes theory, design, implementation, and prototyping of Massive MIMO for 5G communication systems. The chapter overviews the principles and theory of Massive MIMO. It describes the channel modeling system with a focus on specific phenomena of large sc

Resampling Strategies to Estimate Mean Concentrations from Low SNR In Vivo MR Spectra

A resampling method for quantitative MRS is presented that retains absolute concentrations. Averaging the spectra from a subset improved the concentrationestimates via increased SNR. Using short-TE STEAM spectra from human thalamus, the influence of subset size was systematically studied and verifiedagainst conventional bootstrap re-sampling. Even small subsets provided considerably better signal-

Autonomous navigation with convergence guarantees in complex dynamic environments

This article addresses the obstacle avoidance problem for setpoint stabilization tasks in complex dynamic 2-D environments that go beyond conventional scenes with isolated convex obstacles. A combined motion planner and controller is proposed that integrates the favorable convergence characteristics of closed-form motion planning techniques with the intuitive representation of system constraints t

Decompression at 1.3 versus 1.6 bar and Nitrogen Elimination and Venous Gas Emboli : A Randomized Controlled Trial

INTRODUCTION: The optimal depth for decompression stops is unclear. We hypothesize that a decompression stop at 1.3 bar, compared with 1.6 bar, decreases post-dive whole-body nitrogen washout volumes and venous gas emboli (VGE).METHODS: In this randomized crossover trial, divers performed wet air dives of 40 minutes at 3.4 bar (340 kPa) with a seven-minute-long decompression stop at either 1.3 bar

Methanol for marine propulsion

This chapter reviews methanol's properties as a fuel for marine use in general terms and then specifically for combustion engines and fuel cells. It discusses the different engine technologies being either investigated or demonstrated that allow methanol to be used in marine engines. Their potential in terms of power density, emissions, and efficiency, as well as their maturity are reviewed. The e

Sweden looks at bioenergy from agriculture : Review of a new government report on the future for bioenergy

A report of the Sweden new government on the future for bioenergy is presented. The report state that the agriculture sector supplies 1.5 TWh of biomass energy to the Swedish energy system in the form of wheat, rapeseed, and some willows. A report discloses the fact that agriculture can play an important role in the development of Swedish energy system in the future. The most profitable crops for

Learning stable vector fields on Lie Groups

Learning robot motions from demonstration requires models able to specify vector fields for the full robot pose when the task is defined in operational space. Recent advances in reactive motion generation have shown that learning adaptive, reactive, smooth, and stable vector fields is possible. However, these approaches define vector fields on a flat Euclidean manifold, while representing vector f