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View article: A Deep Reinforcement Learning Approach for Energy Management in Low Earth Orbit Satellite Electrical Power Systems
A Deep Reinforcement Learning Approach for Energy Management in Low Earth Orbit Satellite Electrical Power Systems Open
Effective energy management in Low Earth Orbit satellites is critical, as inefficient energy management can significantly affect mission objectives. The dynamic and harsh space environment further complicates the development of effective e…
View article: Off-Policy Temporal Difference Learning for Perturbed Markov Decision Processes: Theoretical Insights and Extensive Simulations
Off-Policy Temporal Difference Learning for Perturbed Markov Decision Processes: Theoretical Insights and Extensive Simulations Open
Dynamic Programming suffers from the curse of dimensionality due to large state and action spaces, a challenge further compounded by uncertainties in the environment. To mitigate these issue, we explore an off-policy based Temporal Differe…
View article: Advances in non‐intrusive type I load monitoring using R‐statistic steady‐state detection and subtractive clustering
Advances in non‐intrusive type I load monitoring using R‐statistic steady‐state detection and subtractive clustering Open
This paper introduces a novel unsupervised method that uses advanced clustering techniques based on power and time features to identify Type 1 electrical load profiles within aggregated power measurements. The adoption of the R‐statistic a…
View article: A Continuous Sliding Mode Current Control Based on the Sensitivity Theory for PMSM Drives
A Continuous Sliding Mode Current Control Based on the Sensitivity Theory for PMSM Drives Open
Sliding mode controllers (SMCs) are commonly used in permanent-magnet synchronous machines (PMSMs) for current control due to their robustness and simplicity. However, high gains used in traditional discontinuous SMC implementations can in…
View article: Online Condition Monitoring of Industrial Loads Using AutoGMM and Decision Trees
Online Condition Monitoring of Industrial Loads Using AutoGMM and Decision Trees Open
Condition monitoring and fault management approaches can help with timely maintenance planning, assure industry-wide continuous production, and enhance both performance and safety in complex industrial operations. At the moment, data-drive…
View article: Gain-Scheduled Control of LPV Systems with Structural Constraints
Gain-Scheduled Control of LPV Systems with Structural Constraints Open
In large-scale dynamic systems, consisting of the interconnection of several subsystems, the control law must obey a certain distributed structure defined by the information exchange pattern on a communication network. In case the system e…
View article: On the distributed backward reachability problem for large scale systems
On the distributed backward reachability problem for large scale systems Open
Backward reachability (also termed controllability) has been extensively studied in control theory, and tools for a wide class of systems have been developed. Nevertheless, assessing a backward reachability analysis or synthesis remains ch…
View article: An Actor-Critic approach for control of Residential Photovoltaic-Battery Systems
An Actor-Critic approach for control of Residential Photovoltaic-Battery Systems Open
The rationale of shifting towards green energy, along with the cost reduction and the increasing capacity of lithium-ion batteries, has motivated the end-users to go for energy storage systems integrated with solar technology solutions. Su…
View article: e.Cube Mission: the Environmental CubeSat
e.Cube Mission: the Environmental CubeSat Open
The e.Cube mission aims at contributing to the advancement of technologies and methodologies dedicated to space debris mitigation and remediation (1) to increase spacecraft autonomy in performing CAMs, (2) to support space debris modelling…
View article: A System-Level Engineering Approach for Preliminary Performance Analysis and Design of Global Navigation Satellite System Constellations
A System-Level Engineering Approach for Preliminary Performance Analysis and Design of Global Navigation Satellite System Constellations Open
This paper presents a system-level engineering approach for the preliminary coverage performance analysis and the design of a generic Global Navigation Satellite System (GNSS) constellation. This analysis accounts for both the coverage req…
View article: Primary Frequency Response Improvement in Interconnected Power Systems Using Electric Vehicle Virtual Power Plants
Primary Frequency Response Improvement in Interconnected Power Systems Using Electric Vehicle Virtual Power Plants Open
The smart grid concept enables demand-side management, including electric vehicles (EVs). Thus way, some ancillary services can be provided in order to improve the power system stability, reliability, and security. The high penetration lev…
View article: Coverage Area Determination for Conical Fields of View Considering an Oblate Earth
Coverage Area Determination for Conical Fields of View Considering an Oblate Earth Open
This paper introduces a new analytical method for the determination of the coverage area modeling the Earth as an oblate ellipsoid of rotation. Starting from the knowledge of the satellite’s position vector and the direction of the navigat…
View article: A System Engineering Tool for the Optimisation of a GNSS Constellation Design
A System Engineering Tool for the Optimisation of a GNSS Constellation Design Open
This paper introduces a system engineering tool for the optimisation of a generic GNSS constellation design by using Galileo as reference. The optimisation is performed by taking into account both the percentage of global coverage and the …
View article: An Approach for Geostationary Satellite Mode Management
An Approach for Geostationary Satellite Mode Management Open
In each mission phase, a satellite is characterized by a well-defined set of modes. They define a clear configuration of the spacecraft subsystems and have specific operational implications. In this paper, we present an approach for geosta…