Sharif Digital Repository

A probabilistic approach to mid-term conflict detection with accuracy estimate

Author

Seyedipour, S.

Publisher

Elsevier Ltd,

Pub. Year

2022

Subjects

Aircraft detection. / Aircraft flying. / Conflict detection. / Conflict probability. / Numerical results. / Probabilistics. / Probabilistics approach. / Relative positions. / Two-step approach. / Wind field. / Wind field modeling. / Aircraft.

Nonlinear integrated guidance and control based on adaptive backstepping scheme

Author

Seyedipour, S. H.

Publisher

Emerald Group Publishing Ltd,

Pub. Year

2017

Subjects

Adaptive backstepping. / Air vehicle. / Integrated guidance and control. / Nonlinear control. / Stability. / Air navigation. / Aircraft control. / Backstepping. / Controllers. / Convergence of numerical methods. / Intelligent systems. / Monte Carlo methods. / Nonlinear systems. / System stability. / Vehicles. / Adaptive back-stepping. / Adaptive nonlinear controllers. / Design/methodology/approach. / Integrated guidance and controls. / Non linear control. / Nonlinear adaptive backstepping controller. / Normal force coefficients. / Adaptive control systems.

Trajectory following of a micro motion stage based on closed-loop FEM simulation

Author

Shahidi, A.

Pub. Year

2008

Subjects

Flexure hinges. / Micro motion stage. / Ultra fine positioning systems. / Closed loop systems. / Degrees of freedom (mechanics) / Finite element method. / Piezoelectric actuators. / Motion compensation.

Ricci-based chaos analysis for roto-translatory motion of a Kelvin-type gyrostat satellite

Author

Abtahi, S. M.

Pub. Year

2014

Subjects

Chaos. / Earth satellite system. / Lyapunov exponent. / Ricci curvature. / Riemannian manifold. / Canonical transformation. / Complex hamiltonians. / Hamiltonian approach. / Heteroclinic bifurcations. / Satellite system. / Chaos theory. / Communication satellites. / Equations of motion. / Geometry. / Lyapunov functions. / Lyapunov methods. / Hamiltonians.

Improving ITIL strategic alignment approach using COBIT framework

Author

Esmaili, H. B.

Pub. Year

2010

Subjects

Business-IT. / COBIT 4.1. / Control objectives. / IT governance. / IT service management. / ITIL v3. / Operational level. / Strategic alignment. / Electronic commerce. / Alignment.

Nonlinear analysis and attitude control of a gyrostat satellite with chaotic dynamics using discrete-time LQR-OGY

Author

Abtahi, S. M.

Publisher

Wiley-Blackwell,

Pub. Year

2016

Subjects

Chaos. / Discrete-time LQR. / OGY controller. / Attitude control. / Chaos theory. / Control systems. / Energy utilization. / Feedback linearization. / Linearization. / Nonlinear analysis. / Orbits. / Satellites. / Support vector machines. / Discrete time. / Gyrostat satellite. / Least square support vector machines. / Linear quadratic regulator. / Ott-Grebogi-Yorke methods. / Quasi-periodic. / Quasi-periodicities. / Quaternion feedback. / Controllers.

Experimental identification of closely spaced modes using NExT-ERA

Author

Hosseini Kordkheili, S. A.

Publisher

Academic Press,

Pub. Year

2018

Subjects

Closely spaced modes. / Experimental identification. / Time domain OMA method. / Codes (symbols) / Modal analysis. / Structural dynamics. / Correlation function. / NExT-ERA method. / Time domain. / Time domain analysis.

Trajectory following of a micro motion stage based on closedloop fem simulation

Author

Shahidi, A.

Publisher

American Society of Mechanical Engineers (ASME),

Pub. Year

2007

Subjects

Actuators. / Compliant mechanisms. / Finite element method. / Hinges. / Jacobian matrices. / Mechanisms. / Nanosystems. / Piezoelectricity. / Position control. / Analytical approach. / FEM simulations. / Micromotion stage. / Optimum selection. / Parametric modeling. / Piezoelectric stack actuators. / Specified trajectories. / Trajectory following. / Piezoelectric actuators.

Design and development of a miniaturized roto-translational motion platform for microaerial vehicle identification

Author

Abdollahi, M. R.

Publisher

IEEE,

Pub. Year

2024

Subjects

5 Degree-of-freedom. / Micro aerial vehicle. / Motion platform. / System identification. / Wind tunnel test. / Integrated circuit design. / Kalman filters. / Micro air vehicle (MAV) / Structural dynamics.

Iterative histogram matching algorithm for chromosome image enhancement based on statistical moments

Author

Ehsani, S. P.

Publisher

IEEE,

Pub. Year

2012

Subjects

Chromosome karyotyping. / Contrast improvement ratio. / Banding patterns. / Chromosome image. / Computer aided. / Contrast Enhancement. / Density profile. / Determination of parameters. / Histogram matching. / Image histograms. / Improvement ratio. / Statistical moments. / Visual perception. / Algorithms. / Chromosomes. / Diagnosis. / Graphic methods. / Medical imaging. / Image matching.

Chromosome image contrast enhancement using adaptive, iterative histogram matching

Author

Ehsani, S. P.

Pub. Year

2011

Subjects

Chromosome karyotyping. / Contrast improvement ratio. / Adaptive contrast enhancement. / Banding patterns. / Chromosome classification. / Chromosome image. / Constant gain. / Contrast Enhancement. / Enhancement techniques. / Histogram matching. / Image characteristics. / Image histograms. / Imaging conditions. / Improvement ratio. / Input image. / Iteration procedure. / Iteration step. / Local standard deviation. / Medical images. / Processing algorithms. / Quantitative measurement. / Visual perception. / Algorithms. / Chromosomes. / Computer vision. / Graphic methods. / Image enhancement. / Image quality. / Image segmentation. / Medical imaging. / Image matching.

Energy saving in HVAC systems using nanofluid

Author

Firouzfar, E.

Pub. Year

2011

Subjects

Heat pipe. / Silver nanofluid. / Air streams. / Airconditioning systems. / Effectiveness. / Energy saving. / HVAC system. / Nano-fluid. / Thermosyphon heat exchanger. / Air conditioning. / Capillary flow. / Energy conservation. / Heat pipes. / Methanol. / Silver. / Siphons. / Nanofluidics.

The large-scale dynamic maximal covering location problem

Author

Zarandi, M. H. F.

Pub. Year

2013

Subjects

Facility location. / Demand node. / Facility locations. / Large-scale dynamics. / Maximal covering location problems. / Meta heuristics. / Solution algorithms. / Combinatorial optimization. / Logistics. / Simulated annealing. / Tracking (position)

Alginate/cartilage extracellular matrix-based injectable interpenetrating polymer network hydrogel for cartilage tissue engineering

Author

Shojarazavi, N.

Publisher

SAGE Publications Ltd,

Pub. Year

2021

Subjects

Alginate. / Biomechanics. / Cartilage. / Degradation. / Gelation. / Scaffolds (biology) / Scanning electron microscopy. / Tissue. / Articular cartilage defects. / Cartilage tissue engineering. / Extracellular matrices. / Homogeneous dispersions. / Injectable scaffolds. / Interpenetrating polymer network (IPN) / Interpenetrating polymer network hydrogels. / Response surface methodology. / Hydrogels.

Adiabatic shear banding in an Al-Mg-Si alloy processed by equal channel angular pressing

Author

Vaseghi, M.

Pub. Year

2010

Subjects

Al-Mg-Si alloy. / Adiabatic shear band. / Adiabatic shear banding. / Al-Mg-Si alloys. / Cross-section area. / Effective strain. / Equal channel angular extrusion. / Large plastic deformation. / Metallic material. / Processing temperature. / Ram speed. / Room temperature. / Working temperatures. / Aluminum. / Extrusion. / Pressing (forming) / Processing. / Shear bands. / Silicon. / Silicon alloys. / Speed. / Equal channel angular pressing.

The gardener problem with reservation policy and discount

Author

Sadralsharifi, S. S.

Publisher

Elsevier Ltd,

Pub. Year

2018

Subjects

Discount rate. / Gardener problem. / Nonlinear programming. / Reservation policy. / Tight constraint. / Budget control. / Inventory control. / Lagrange multipliers. / Newton-Raphson method. / Profitability. / Discount rates. / Inventory management. / Lagrangian multipliers. / Optimal order quantity. / Solution algorithms. / Problem solving.

Anisotropy in the quasi-static and cyclic behavior of ZK60 extrusion: Characterization and fatigue modeling

Author

Pahlevanpour, A. H.

Publisher

Elsevier Ltd,

Pub. Year

2018

Subjects

Anisotropy. / Fatigue modeling. / Texture. / ZK60 extrusion. / Characterization. / Extrusion. / Tensile strength. / Textures. / Asymmetric behaviors. / Asymmetry. / Fatigue model. / Material parameter. / Quasi static response. / Smith-watson-topper. / Strain controlled fatigue. / Texture measurement. / Fatigue of materials.

Lexicographic max-min approach for an integrated vendor-managed inventory problem

Author

Pasandideh, S. H. R.

Pub. Year

2014

Subjects

Bi-objective non-linear model. / Fair profit contract. / Lexicographic max-min approach. / Supply chain management. / Vendor managed inventory. / Decreasing functions. / Max-min. / Non-linear model. / Nondominated solutions. / Simultaneous reduction. / Single objective optimization. / Supply chain collaboration. / Vendor managed Inventory. / Manufacture. / Mathematical models. / Profitability. / Sales. / Supply chain management.