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Kloppenburg, Jeroen (author)The behaviour of software is intrinsically linked to the hardware it runs on. As hardware innovations continuously change the landscape of computing, software has to adapt to these changes. Running legacy software on new hardware requires either the old hardware to be emulated, or a very time-consuming and error-prone process of reverse...master thesis 2023
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Serné, Luke (author)In recent years, computers have found their way into nearly every part of life. This led to the creation of many embedded devices, which are usually quite different from the more commonly known computers and each other. The cause of this is the diversity in constraints that are placed on these devices, in terms of size, weight, energy...master thesis 2022
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Sangiorgio, Matteo (author), Cananzi, Davide (author), Weber, Enrico (author), Zatarain Salazar, J. (author), Castelletti, Andrea (author)Integrated management of water reuse technologies and coordinated operations with other water system components is fundamental to fully exploiting reuse potential. Yet, these technologies are primarily designed considering their individual efficiency more than possible synergies with traditional water management practices. In this paper, we...journal article 2022
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de Winkel, J. (author), Hoefnagel, T.S. (author), Blokland, B.T. (author), Pawełczak, Przemysław (author)Debugging and testing battery-free intermittently-powered systems is notoriously difficult. This is not only due to the additional complexity of maintaining state through power failures but also due to the lack of proper tools to test and debug these systems. As a solution, we present DIPS: a fully-featured hardware debugger for battery-free...conference paper 2022
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Rakhshani, E. (author), Naveh, Iman Mohammad Hosseini (author), Mehrjerdi, Hasan (author), Pan, K. (author)This paper proposes a novel application for the optimal Linear Quadratic Gaussian (LQG) servo controller to enable a proper coordination of the AC/HVDC interconnected system with Virtual Synchronous Power (VSP) based inertia emulation. Particularly, the proposed control design takes the process disturbances and measurement noise of the...journal article 2021
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Rakhshani, E. (author), Naveh, Iman Mohammad Hosseini (author), Mehrjerdi, Hasan (author)This paper presents a new application of advanced SMPI controller for a newly introduced interconnected dynamic system with VSP based HVDC links for frequency control problem. This work presents an outgrowth of analysis about the Swarm – Based Optimization Algorithms (SBOAs) in the tuning process of Multivariable Proportional – Integral (MPI)...journal article 2021
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Delimpaltadakis, Giannis (author), Mazo, M. (author)In this work, we derive a region-based self-triggered control (STC) scheme for nonlinear systems with bounded disturbances and model uncertainties. The proposed STC scheme is able to guarantee different performance specifications (e.g. stability, boundedness, etc.), depending on the event-triggered control (ETC) triggering function that is...journal article 2021
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Ahmad, Z. (author), Rueda, José L. (author), Veerakumar, Nidarshan (author), Rakhshani, E. (author), Palensky, P. (author), van der Meijden, M.A.M.M. (author)A task for new power generation technologies, interfaced to the electrical grid by power electronic converters, is to stiffen the rate of change of frequency (RoCoF) at the initial few milliseconds (ms) after any variation of active power balance. This task is defined in this article as fast active power regulation (FAPR), a generic definition...review 2020
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van Paassen, D. (author), Visser, B.E. (author)Renewable sources are gaining more importance now than ever. As a consequence, the development and complexity of electricity grids are rising. This thesis is part of a project which aims to comprehend and package the integration of such complex grids into something more understandable such as a demonstrator tool. More precisely, how do you find...bachelor thesis 2020
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Siemensma, R.A. (author), Rozestraten, P.J. (author)This report discusses the design and implementation of a subsystem required for an energy system integration demonstrator. The purpose of this subsystem is emulating energy systems using physical table-top model representations. This system has been realised using a Raspberry Pi 3B+, which communicates information using the IኼC protocol to the...bachelor thesis 2020
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Pan, K. (author), Rakhshani, E. (author), Palensky, P. (author)Power systems are moving towards hybrid AC/DC grids with the integration of HVDC links, renewable resources and energy storage modules. The load frequency control (LFC) of tomorrow has to consider the complex interactions between these components. Meanwhile, more attention should be paid to cyber security concerns as the LFC loop highly...journal article 2020
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Rakhshani, E. (author), Perilla Guerra, A.D. (author), Rueda, José L. (author), Gonzalez-Longatt, Francisco M. (author), Soeiro, Thiago B. (author), van der Meijden, M.A.M.M. (author)This paper presents different forms of Fast Active Power Injection (FAPI) control schemes for the analysis and development of different mitigation measures to address the frequency stability problem due to the growth of the penetration level of the Power Electronic Interfaced Generation (PEIG) in sustainable interconnected energy systems. Among...journal article 2020
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Veerakumar, Nidarshan (author), Ahmad, Z. (author), Ebrahim Adabi, M. (author), Rueda, José L. (author), Palensky, P. (author), van der Meijden, M.A.M.M. (author), Gonzalez-Longatt, Francisco (author)This paper presents a comparative assessment of fast active power regulation (FAPR) control strategies implemented on megawatt-scale controllable electrolysers, with the goal of achieving enhanced frequency support during large active power imbalances that lead to major under-frequency deviations. The FAPR control strategies consist of three...conference paper 2020
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Blokland, Boris (author)The Internet of Things is a promising vision which enables trillions of sensor devices to be connected. A common bottleneck for such devices is the energy supply. Using batteries is expensive, it reduces the device lifetime and has a negative impact on the environment. Energy harvesting provides a more sustainable solution. Unfortunately,...master thesis 2019
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Rakhshani, E. (author), Veerakumar, Nidarshan (author), Ahmad, Z. (author), Rueda, José L. (author), van der Meijden, M.A.M.M. (author), Palensky, P. (author)This paper deals with the implementation of a Fast Active Power Injection (FAPI) controller in a Type-4 Wind Turbine. Two different FAPI controllers, droop-based and a modified derivative-based controller are proposed and investigated under real-time simulation platform. The implementation is done in a Real-Time Digital Simulator (RTDS) by...conference paper 2019
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Rakhshani, E. (author), Gusain, D. (author), Sewdien, V.N. (author), Rueda, José L. (author), van der Meijden, M.A.M.M. (author)High penetration of power electronic interfaced generation, like wind power, has an essential impact on the inertia of the interconnected power system. It can pose a significant threat to the frequency stability. This paper introduces the notion of the key performance indicator (KPI) and illustrates its application on large scale power systems,...journal article 2019
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- Wubben, Leon (author) master thesis 2019
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Bisschop, Marc (author)Implantable Medical Devices (IMDs) could fulfill many different functions in the human body. Batteries have always been the main power source of these devices. Batteries have some drawbacks, the biggest one being the replacement of IMDs with fully discharged batteries. In this thesis a wireless power transfer system, with a receiving power...master thesis 2019
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Prasanth, Hari (author)In a recent first-in-human clinical study, a therapy based on targeted epidural electrical stimulation together with body weight support has been validated to restore voluntary locomotion in chronically paralyzed subjects with Spinal Cord Injury (SCI). However, the system is currently open-loop controlled, meaning that the stimulation pattern...master thesis 2019
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Rakhshani, E. (author), Rueda, José L. (author), Palensky, P. (author), van der Meijden, M.A.M.M. (author)This paper presents a study based on sensitivity analysis to investigate the impact of fast frequency response (FFR) capability of type 4 wind turbine units on the overall frequency performance of interconnected power systems with low inertia. FFR capability is implemented by means of a control loop for inertia emulation (IE), which is...conference paper 2019
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