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检索条件"任意字段=20th Conference on System Modeling and Optimization"

共 3716 条记录，以下是11-20 订阅

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modeling and Control of an Eel-Inspired Soft Robot for Design optimization 20

Modeling and Control of an Eel-Inspired Soft Robot for Desig...

引用

IEEE 20th International conference on Automation Science and Engineering (CASE)

作者： Jian, Zhangjingyi Campbell, Mark Cornell Univ Dept Mech Engn Ithaca NY 14850 USA

ISBN: (纸本)9798350358513;9798350358520

Anguilliform locomotion is a highly efficient swimming mode;the advent of new materials for soft robots enables the development of an eel-inspired soft robot. this paper presents a simulation model of an eel-inspired soft robot designed for anguilliform swimming. this model can aid in design optimization and the development of model-based estimation, reasoning, and control systems. A Finite Element Method (FEM) model of an elastic rod is used to capture the soft materials of the robotic fish, which makes it particularly amenable to variation over time as the material properties change. the material model is coupled with a hydrodynamic force model to simulate the behavior of a soft, elongated robot in water. the model is used to demonstrate the effectiveness of the proposed control approaches in achieving desired swimming behaviors. It also provides insights into design decisions, including the robustness of different system configurations and the impact of material degradation and failure. the results show that slightly asymmetric designs are advantageous, offering comparable swimming velocities but greater maneuverability. this model can be used to guide future robotic design decisions aimed at optimizing performance for specific tasks.

关键词： Machine design

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Feasibility Study on Powered Hip Skeleton for optimization of Walking Assist 20

Feasibility Study on Powered Hip Skeleton for Optimization o...

引用

IEEE 20th International conference on Automation Science and Engineering (CASE)

作者： Nagai, Kiyoshi Hane, Ranka Okado, Makoto Ohashi, Toshihito Ichihara, Taketoshi Ritsumeikan Univ Coll Sci & Engn Kusatsu Japan Ritsumeikan Univ Grad Sch Sci & Engn Kusatsu Japan

ISBN: (纸本)9798350358513;9798350358520

this paper addresses the feasibility of an optimization system for a walking assist robot worn on the lower limb, which can reflect the user's intention to shorten the travel time and walk with less effort. In this optimization system, an evaluation index is defined based on travel time per unit distance and energy consumption of joint motion, and the index is represented as a function of step length and pitch during walking. the optimization system was designed to be real-time by employing a method to mechanically calculate the energy consumption from the measured joint motions. the results of the evaluation indices for walking without and with assist force showed that the optimal gait changes when the robot adds a part of the joint torque required for walking to the user, and that the value of the evaluation index becomes smaller.

关键词： Travel time

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modeling and Predicting Constraints in Nordic Flow-Based Market Using Open Data 20

Modeling and Predicting Constraints in Nordic Flow-Based Mar...

引用

20th International conference on the European Energy Market (EEM)

作者： Seleznev, Alexey Dolmatova, Marina SKM Market Predictor AS Trondheim Norway Assoc NP Market Council Moscow Russia Skolkovo Inst Sci & Technol CEST Moscow Russia

ISBN: (纸本)9798350381757;9798350381740

Production planning and optimization of bidding strategies play an important role in modern electricity markets with a high share of renewable energy. this decision-making requires detailed electricity market models estimating and forecasting the underlying parameters. the ongoing implementation of the flow-based market coupling in the Nordic region poses a challenge to current models as it introduces detailed transmission constraints based on power transfer distribution factors. the analysis and modelling are challenging since the official static grid models are not available for the region. Moreover, the physical location of many anonymized network elements is unknown. this study uses open data to construct a detailed grid model and proposes algorithms for anonymous grid elements identification, generation shift keys adjustment, and prediction of changes in transmission constraints due to grid changes. the proposed models were tested, and the results were validated using open data available from JAO.

关键词： flow-based market coupling Nordic power system power flow analyses power market forecasting transmission grid modelling

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Applying spatial decomposition in energy system models 20

Applying spatial decomposition in energy system models

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20th International conference on the European Energy Market (EEM)

作者： Gruebler, Lene Marie Muesgens, Felix Brandenburg Univ Technol Cottbus Senftenberg Chair Energy Econ Cottbus Germany

ISBN: (纸本)9798350381757;9798350381740

the European energy transition requires the expansion of renewable generators and consequently, the expansion of grid infrastructure and flexibility options. When modelling complex energy systems, the application of decomposition techniques is reasonable to keep models computationally tractable. Our paper focuses on the efficient optimization of energy systems covering large geographic areas. To accelerate the solving process, we apply a variant of Benders decomposition, which does not only apply temporal but also spatial decomposition. We show that by applying our decomposition approach, the solving time decreases up to 75% compared to the runtime of the equivalent monolithic model solved by a commercial solver and the barrier algorithm. Furthermore, we show that additionally applying spatial decomposition results in time savings compared to an only temporally decomposed approach.

关键词： Benders decomposition complexity reduction energy systems modeling grid expansion planning spatial decomposition

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TSO-DSO Coordination under Wind and Solar Power Uncertainty: A Two-Stage Stochastic Programming Approach 20

TSO-DSO Coordination under Wind and Solar Power Uncertainty:...

引用

20th International conference on the European Energy Market (EEM)

作者： Bjerland, Siri del Granado, Pedro Crespo Grottum, Hanne Nokandi, Ehsan Norwegian Sci & Technol Univ Trondheim Norway

ISBN: (纸本)9798350381757;9798350381740

the integration of renewables and distributed energy resources (DERs) in the power system requires enhanced flexibility to mitigate the intermittency of renewables. Certain DERs contribute significantly to this flexibility. this paper proposes a two-stage stochastic optimization framework that considers the interaction between transmission and distribution system operators under the uncertainty of wind and solar power. In the first stage, the framework determines the unit commitment and operation levels of conventional generation units. In the second stage, the realization of renewables is accounted for, relying on flexibility from conventional power generation, centralized storage, distributed generation, decentralized storage, and demand response to manage variability. the analysis assesses the impact of varying DER capacities on system costs under different uncertainty levels. Results indicate economic benefits from coordinated power system operations with increasing DER capacities and a higher share of renewable energy sources.

关键词： Distributed Energy Resources Wind Power Solar Power TSO-DSO Coordination Stochastic optimization

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A CAD Toolbox for the Automatic Design and optimization of ULP CMOS Voltage References 20

A CAD Toolbox for the Automatic Design and Optimization of U...

引用

20th International conference on Synthesis, modeling, Analysis and Simulation Methods and Applications to Circuit Design, SMACD 2024

作者： Boni, Andrea Caselli, Michele University of Parma Department of Engineering and Architecture Italy

ISBN: (纸本)9798350351927

this paper presents a novel CAD toolbox based on Matlab-Spectre co-simulation for the automated design and optimization of ultra-low power CMOS voltage references. the combination of a technology evaluation and a VR designer tool extracts the relevant parameters of all available MOS transistors with minimal effort and generates the optimized circuit significantly reducing the design time. In addition, the proposed toolbox is useful to evaluate the available low-power reference voltages and the achievable performance in each technology node. © 2024 IEEE.

关键词： CMOS integrated circuits

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Sparse Nonlinear Dynamic Identification of a Single-Phase Flow system 20

Sparse Nonlinear Dynamic Identification of a Single-Phase Fl...

引用

IEEE 20th International conference on Automation Science and Engineering (CASE)

作者： Miyatake, Luis Camponogara, Eduardo Seman, Laio Univ Fed Santa Catarina Dept Automat & Syst Engn Florianopolis SC Brazil

ISBN: (纸本)9798350358513;9798350358520

this study presents a sparse identification approach for modeling dynamic systems, leveraging data from a transient multiphase flow simulator, OLGA. the Sparse Identification of Nonlinear Dynamics (SINDy) methodology is applied, employing two optimization methods: Sequential thresholded Least Squares (STLS) and a Mixed-Integer Linear Programming (MILP)-based approach. the MILP-based method, featuring a cardinality constraint, represents a pioneering advancement in system identification techniques. Key findings include the importance of variable normalization for model accuracy, the role of cross-validation in hyperparameter selection for optimal model structure, and the exploration of the trade-off between sparsity and generalization. Results obtained for a reference case of transient water flow subject to many boundary conditions (or controls) validate the identified model's ability to represent observed data in OLGA accurately.

关键词： Integer linear programming

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Dynamic Pricing and system optimization of Integrated Energy system in Industrial Parks Based on Carbon Tax 20

Dynamic Pricing and System Optimization of Integrated Energy...

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20th International conference on the European Energy Market (EEM)

作者： Deng, Yuanyuan Mae, Masahiro Matsuhashi, Ryuji Univ Tokyo Grad Sch Engn Dept Elect Engn & Informat Syst Tokyo Japan

ISBN: (纸本)9798350381757;9798350381740

Aiming to improve the efficiency of the industry park's integrated energy system and reduce carbon emissions, this paper adopts dynamic pricing and carbon tax mechanisms. Utilizing game theory, a leader-follower game framework is constructed with the energy system operator (ESO) as the leader and building users as followers. through the integration of dynamic pricing and carbon tax model, the paper demonstrates notable improvements in economic and low-carbon performance within the energy system. Consequently, in this paper, it provides valuable support for sustainable energy development and economic operations in a low-carbon economy. the findings underscore the potential of dynamic pricing and carbon tax mechanisms as integral contributors to achieving a more sustainable and economically efficient energy landscape.

关键词： Carbon Tax Demand Response Differential Evolution Algorithm Dynamic Electricity Prices Leader-follower Game

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Modelling the Transformation of Hydrogen Ecosystems via Geo-Techno-Economic optimization 20

Modelling the Transformation of Hydrogen Ecosystems via Geo-...

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20th International conference on the European Energy Market (EEM)

作者： Mendler, Friedrich Mueller, Nikolas Voglstaetter, Christopher Smolinka, Tom Hebling, Christopher Mendler, Friedrich Koch, Barbara Fraunhofer Inst Solar Energy Syst Div Hydrogen Technol Freiburg Germany Univ Freiburg Chair Remote Sensing & Landscape Informat Syst Freiburg Germany

ISBN: (纸本)9798350381757;9798350381740

A newly developed framework for spatially resolved optimization of hydrogen systems is presented. It enables realistic representation of the whole value chain with different electricity sources and transport technologies that are optimized for every location and connection. the nonlinear structure enables realistic physical properties and economies of scale but increases the difficulties in parametrization of the system and optimization algorithm. three scenarios have been modelled to analyze the influence of electricity and hydrogen import options. Using grid electricity to increase electrolyzer full load hours and reduce storage requirements enables significant economic advantageous. Furthermore, for the selected study region, hydrogen transport is cheaper than electricity transmission as trailers can be shared within the region and pipelines installed to supply large demands. therefore, electrolyzers are primarily installed at site of high potential for renewable electricity generation.

关键词： green hydrogen hydrogen storage low carbon economy particle-swarm optimization renewables

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Multi-Energy systems and Sector Coupling through participation in Multi-Markets 20

Multi-Energy Systems and Sector Coupling through participati...

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20th International conference on the European Energy Market (EEM)

作者： Corsetti, Edoardo Vannoni, Alberto RSE Generat Technol Dept Milan Italy

ISBN: (纸本)9798350381757;9798350381740

In this paper is investigated the ability of multi-energy systems (MESs) in acquiring resources from energy markets to supply the demand and supporting system Operators (Transmission/Distribution) by providing flexibility. the participation of MESs in multiple markets represents an opportunity and it is expected that market rules are designed to ease their involvement. the paper offers an overview of the simulations of a MES participating in multiple markets. the MES acquires resources for supplying the demand in the (very) short term (i.e., the day-ahead and intra-day) on energy markets, where acts as balance responsible party (BRP). On energy markets the MES purchases the cheapest resources to supply the demand and sells the production excesses at the highest prices. Furthermore, the MES participates in flexibility markets to increase its revenue and offer a support to system operators facing safety and reliability issues. A co-optimization Mixed Integer Linear Programming endowed with a flexibility model was implemented to carry on the simulations of participation in multi-markets and the economic indicator was adopted for the assessment phase. A district heating system operating in the Milan area was adopted as real MES to be simulated.

关键词： Ancillary services Energy Markets Flexibility markets optimization

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