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# Type Title Author Publisher Pub. Year Subjects Call Number
1 پایان نامه تسریع شناسایی ساختارهای آلی - فلز جهت ذخیره هیدروژن با رویکرد مبتنی بر یادگیری ماشین Accelerating Discovery of MOFs for Hydrogen Storage via Machine Learning in Energy Related Applications فلاح خیراندیش، سعید Fallah Kheirandish, Saeed صنعتی شریف 1403 ذخیره سازی هیدروژن Hydrogen Storage / چارچوب فلز - آلی Metal-Organic Framework / شبکه عصبی مصنوعی Artificial Neural Network / شبیه سازی کانونیکال بزرگ مونت کارلو Grand Canonical Monte Carlo (GCMC)Simulation / پایگاه داده Database / ظرفیت جذب Absorptive Capacity / یادگیری ماشینی Machine Learning
‭06-58055
2 مقاله Effect of metal doping, boron substitution and functional groups on hydrogen adsorption of MOF-5: A DFT-D study Lotfi, R. 2014 Binding energy.
DFT.
Hydrogen adsorption.
Metal-organic framework (MOF)
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3 مقاله Interaction of hydrogen molecules with perfect, defective and scandium doped polycyclic aromatic hydrocarbon structures Lotfi, R. 2013 Adsorption.
Graphene.
Hydrogen storage.
PAH.
Penetration.
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4 مقاله A comparative study on hydrogen interaction with defective graphene structures doped by transition metals Lotfi, R. 2014 Defect.
Transition metal.
Binding energy.
Defects.
Gas adsorption.
Graphene.
Hydrogen.
Hydrogen storage.
Molecules.
Transition metals.
Comparative studies.
Defective structures.
DFT.
First-principles density functional theory.
Hydrogen adsorption.
Hydrogen interaction.
Reversible storage.
Sequential addition.
Scandium.
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5 مقاله Interaction of hydrogen molecules with defective graphene sheets: An ab initio study Lotfi, R. 2012
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6 مقاله Drag performance of divergent tubular-truncated cones: A shape optimization study Lotfi, A. 2012 Wind tunnel.
Efficiency improvement.
Energy consuming devices.
Environmental pollutions.
Environmental structure.
Experimental data.
High velocity.
Laminar and turbulent flow.
Noise and vibration.
Numerical results.
Open circuit wind tunnels.
Optimum model.
Optimum shape.
Shape modification.
Streamwise velocity.
Truncated cone.
Upstream velocity.
Velocity profile.
Computational fluid dynamics.
Drag coefficient.
Drag reduction.
Energy management.
Industrial applications.
Reynolds number.
Turbulent flow.
Wind tunnels.
Velocity.
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7 مقاله Global adaptive estimation of joint velocities in robotic manipulators Lotfi, N. 2010 Adaptive estimation.
Adaptive observer.
Asymptotic convergence.
Degrees of freedom.
Estimation errors.
Global estimation.
Globally convergent.
Joint velocity.
Low noise.
Minimal model.
Non-smooth.
Persistency of excitation.
Robot dynamics.
Robotic manipulators.
Simulation result.
State estimates.
Ultimate boundedness.
Estimation.
Excited states.
Flexible manipulators.
Machine design.
Robotics.
Robots.
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8 مقاله Design, analysis and implementation of class-E ZCS/ZCDS power amplifier for any duty ratio with nonlinear output parasitic capacitance Lotfi, A. Springer New York LLC 2016 Class-E conditions.
MOSFET nonlinear output capacitance.
Power conversion efficiency.
Shunt inductor.
Zero current derivative switching (ZCDS)
Zero-Current Switching (ZCS)
Capacitance.
Conversion efficiency.
Drain current.
Efficiency.
MOSFET devices.
Nonlinear analysis.
Power MOSFET.
SPICE.
Switching.
Class E.
MOS-FET.
Zero-Current-Derivative Switching.
Power amplifiers.
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9 مقاله A globally convergent observer for velocity estimation in robotic manipulators with uncertain dynamics Lotfi, N. 2010 Adaptive observer.
Asymptotic convergence.
Degrees of freedom.
Global estimation.
Globally convergent.
Joint velocity.
Low noise.
Minimal model.
Non-smooth.
Persistency of excitation.
Robot dynamics.
Robot manipulator.
Robotic manipulators.
Simulation result.
System state.
Uncertain dynamics.
Velocity estimation.
Excited states.
Flexible manipulators.
Machine design.
Robot applications.
Robots.
Robotics.
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10 مقاله Smart transmission expansion planning based on unconventional high surge impedance loading line designs Lotfi, A. Institute of Electrical and Electronics Engineers Inc, 2021 Cost effectiveness.
Costs.
Electric lines.
Electric load flow.
Electric power transmission.
Electric power transmission networks.
Expansion.
Conventional design.
Conventional line.
Electrical parameter.
Phase configurations.
Power delivery.
Surge impedance loadings.
Transmission expansion.
Transmission expansion planning.
Smart power grids.
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11 مقاله Finite element simulation of ultrasonic-assisted machining: a review Lotfi, M. Springer Science and Business Media Deutschland GmbH, 2021 Finite element method.
Machining.
Machining centers.
Chip formations.
Cutting forces.
Finite element simulations.
Machining Process.
Microstructure changes.
Review papers.
Simulation modeling process.
Tool wear.
Cutting tools.
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12 پایان نامه اندازه گیری شاخص نابی و چابکی شرکت سازه گستر سایپا Evaluating the Leanness and Agility Indexes of S.G.S Co لطفی، مریم Lotfi, Maryam صنعتی شریف 1388 منطق فازی Fuzzy Logic / شرکت سازه گستر (سهامی خاص) / شرکت خودروسازی سایپا. / رویکرد ناب Lean Approach / رویکرد چابک Agile Approach
‭01-39715
13 پایان نامه طراحی و بهینه سازی مجرای یک تونل باد مادون صوت با دو مقطع تست به کمک شبیه سازی عددی Design and Optimization of a Subsonic Wind Tunnel Profile with Two Test Sections using CFD لطفی، ایمان Lotfi, Iman صنعتی شریف 1391 شبیه سازی عددی Numerical Simulation / تونل باد مادون صوت Subsonic Wind Tunnel / جریان زیرصوتی Subsonic Flow / دو اتاق آزمون Test Sections / شکل پخش گر Diffuser Shape / فن های موازی Parallel Fans / دینامیک سیالات محاسباتی Computational Fluid Dynamics (CFD)
‭45-44561
14 پایان نامه طراحی تقویت کننده توان در باند فرکانسی 18-6 گیگاهرتز با بکارگیری و ارزیابی روش های بهبود قابلیت اطمینان Design of Power Amplifier in 6-18GHz Frequency Band with Employment and Evaluation Reliability Improvement Methods لطفی، هادی Lotfi, Hadi صنعتی شریف 1394 تقویت کننده پهن باند Wideband Amplifier / قابلیت اطمینان Reliability / تقویت کننده توان Power Amplifier / سلول خورشیدی GaAs GaAs Solar Cell / ترانزیستور شبه اثر میدانی با حرکت پذیری الکترون بالا Pseudo High Electron Mobility Field Effect Transistor (pHEMT)
‭05-48086
15 پایان نامه مدل برنامه ریزی کربن به منظور کاربردسازی کربن دی اکسید و تبدیل آن به مواد و سوخت‌های زیستی A Carbon Planning Model to Utilize Carbon Dioxide into useful Materials and Biofuels لطفی، رضوان Lotfi, Rezvan صنعتی شریف 1396 سوخت زیستی Biofuel / استان خوزستان Khuzestan Province / فناوری به دام اندازی و ذخیره سازی دی اکسید کربن Carbon Capture and Storage (CCS)Technology / برنامه ریزی کربن Carbon Planning / کاربردی سازی Utilization
‭46-50846
16 پایان نامه برنامه‌ریزی همزمان توسعه‌ی تولیدات پراکنده و شبکه‌ی انتقال با درنظرگرفتن عدم قطعیت‌ها Composite Distributed Generation and Transmission Expansion Planning Considering Uncertainties, Emission and Security لطفی، امیر Lotfi, Amir صنعتی شریف 1396 امنیت Security / انتشار Emission / منبع تولید پراکنده Distributed Generation / عدم قطعیت Uncertainty / شبکه انتقال Transmission Network / برنامه ریزی Planning / الگوریتم ژنتیک Genetic Algorithm
‭05-50680
17 پایان نامه بهینه‌سازی توپولوژی جهت طراحی مولد برای ساخت افزودنی مبتنی بر مفهوم هندسه جامد سازنده و یادگیری ماشین Topology Optimization to Generative Design for Additive Manufacturing Based on Constructive Solid Geometry and Machine Learning لطفی، محدثه Lotfi, Mohaddeseh دانشگاه صنعتی شریف 1401 ساخت افزایشی Additive Manufacturing / یادگیری ماشینی Machine Learning / بهینه سازی هم بندی Topology Optimization / الگوریتم ژنتیک Genetic Algorithm / طراحی مولد Generative Design / هندسه جامد سازنده Constructive Solid Geometry
‭08-56426
18 مقاله Superstructure optimization in heat exchanger network (HEN) synthesis using modular simulators and a genetic algorithm framework Lotfi, R. 2010 Active X.
Commercial process simulators.
Efficient process.
Heat exchanger network.
Heat exchanger network synthesis.
Mathematical problems.
Modular simulator.
Non-isothermal mixing.
Nonconvex.
Optimal network configuration.
Optimization framework.
Rigorous model.
Save energy.
Simulation-based.
Superstructure optimization.
Chemical plants.
Heat exchangers.
Optimization.
Simulators.
Synthesis (chemical)
Genetic algorithms.
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19 مقاله Boiling heat transfer on a high temperature silver sphere in nanofluid Lotfi, H. 2009 Boiling.
Boiling heat transfer.
Film boiling.
Heat transfer rate.
Heated spheres.
High temperature.
Mixture concentration.
Nanoparticle deposition.
Pure water.
Silver spheres.
Sphere surfaces.
Thin layers.
TiO.
Vapor films.
Water based.
Evaporation.
Heat exchangers.
Heat transfer.
Nanoparticles.
Nucleate boiling.
Quenching.
Silver.
Spheres.
Nanofluidics.
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20 مقاله Active learning method to solve bin packing problems Lotfi, T. 2004 Combinatorial optimization.
Fuzzy algorithms.
Reinforcement learning.
Stage algorithm.
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Total 157 records