Sharif Digital Repository

Impedance control of a two degree-of-freedom flexible link manipulator using singular perturbation and sliding mode control theory

Author

Karimzadeh, A.

Publisher

American Society of Mechanical Engineers,

Pub. Year

2004

Subjects

Control. / Impedance. / Robot. / Singular perturbation. / Sliding mode.

Semi-myopic algorithm for resource allocation in wireless body area networks

Author

Karimzadeh Farshbafan, M.

Publisher

Institution of Engineering and Technology,

Pub. Year

2018

Subjects

Complex networks. / Cost functions. / Energy resources. / Energy utilization. / Markov processes. / Scheduling algorithms. / Sensor nodes. / Wireless networks. / Wireless sensor networks. / Incoming packets. / Limited energy resource. / Optimal algorithm. / Packet transmissions. / Partially observable Markov decision process. / Scheduling decisions. / Sub-optimal algorithms. / Wireless body area network. / Wireless local area networks (WLAN)

Stress field in the thermoelastic rolling contact of graded coatings

Author

Nili, A.

Publisher

Springer Verlag,

Pub. Year

2018

Subjects

Functionally graded coatings. / Thermoelastic rolling contact. / Coatings. / Friction. / Linear equations. / Mathematical transformations. / Strain. / Stresses. / Thermoelasticity. / Transfer matrix method. / Cauchy singular integral equations. / Expansion coefficients. / Fourier integral transform techniques. / Rolling contacts. / Stress field. / System of linear algebraic equations. / Translational velocity. / Integral equations.

Rolling contact mechanics of graded coatings involving frictional heating

Author

Nili, A.

Publisher

Springer-Verlag Wien,

Pub. Year

2019

Subjects

Beams and girders. / Coatings. / Deformation. / Friction. / Functionally graded materials. / Grading. / Linear equations. / Mathematical transformations. / Strain. / Transfer matrix method. / Cauchy singular integral equations. / Fourier integral transform techniques. / Friction coefficients. / Functionally graded material (FGM) / Surface temperature distribution. / System of linear algebraic equations. / Thermomechanical properties. / Translational velocity. / Integral equations.

Artificial neural network modeling for evaluating of epitaxial growth of Ti6Al4V weldment

Author

Karimzadeh, F.

Pub. Year

2006

Subjects

Characterization. / Epitaxial growth. / Grain growth. / Grain size and shape. / Heat affected zone. / Microstructure. / Neural networks. / Nucleation. / Optical microscopy. / Plasma welding. / Scanning electron microscopy. / Fusion zone (FZ) / Microplasma arc welding (MPAW) / Near the heat affected zone (NHAZ) / Plasma gas. / Titanium alloys. / High temperature properties.

Physico-mechanical properties and micromorphology of AAS mortars containing copper slag as fine aggregate at elevated temperature

Author

Ameri, F.

Publisher

Elsevier Ltd,

Pub. Year

2021

Subjects

Aggregates. / Copper. / Mechanical properties. / Microstructure. / Scanning electron microscopy. / Slags. / Alkali activated slags. / Cementitious materials. / Compressive and flexural strengths. / Elevated temperature. / Environmental-friendly. / Industrial by-products. / Optimum performance. / Physicomechanical properties. / Mortar.

Corrosion behavior of aluminum 6061 alloy joined by friction stir welding and gas tungsten arc welding methods

Author

Fahimpour, V.

Pub. Year

2012

Subjects

Base metals. / Corrosion attack. / Corrosion behavior. / Corrosion potentials. / Dendritic structures. / Equi-axed grains. / Gas tungsten arc welding. / Optical metallography. / Positive value. / SEM-EDS. / Semi-quantitative analysis. / T6 heat treatment. / Tafel polarization. / Welding zones. / Wrought aluminum. / Corrosive effects. / Electric welding. / Energy dispersive spectroscopy. / Gas metal arc welding. / Gas welding. / Scanning electron microscopy. / Friction stir welding.

Microstructure and mechanical property change during FSW and GTAW of Al6061 alloy

Author

Fahimpour, V.

Pub. Year

2013

Subjects

Friction stir welding(FSW) / Gas tungsten arc welding. / Microhardness measurement. / Microstructure and mechanical properties. / Morphology and mechanical properties. / Optical metallography. / Transverse directions. / Ultimate tensile strength. / Fractography. / Fracture mechanics. / Mechanical properties. / Microhardness. / Microstructure. / Scanning electron microscopy. / Tensile strength. / Tensile testing. / X ray diffraction. / Cerium alloys.

Effect of size dependency on in-plane vibration of circular micro-rings

Author

Karimzadeh, A.

Publisher

Sharif University of Technology,

Pub. Year

2017

Subjects

Micro-ring. / Modified couple stress theory. / Resonant frequency. / Dynamic loads. / Natural frequencies. / Particle beams. / Classical beam theory. / Hamilton's principle. / Material length scale. / Microrings. / Modified couple stress. / Modified couple stress theories. / Static and dynamic loads. / Timoshenko beam theory. / Equations of motion.

Design and implementation of brain surgery bipolar electrocautery simulator using haptic technology

Author

Karimzadeh, R.

Publisher

Institute for Ionics,

Pub. Year

2023

Subjects

Bipolar electrocautery. / Haptic feedback. / Neurosurgical simulation. / Virtual reality.

The effect of gas mixture of post-oxidation on structure and corrosion behavior of plasma nitrided AISI 316 stainless steel

Author

Karimzadeh, N.

Pub. Year

2013

Subjects

316 austenitic stainless steel. / AISI 316 stainless steel. / Corrosion behavior. / Cyclic polarization. / Nitrided specimens. / Plasma nitriding. / Post-oxidation. / Post-oxidizing treatments. / Austenitic stainless steel. / Corrosion. / Corrosion resistance. / Mixtures. / Nitrogen plasma. / Oxidation. / Pitting. / Plasma applications. / Gas mixtures.

Biodecolourization of Azo dye under extreme environmental conditions via klebsiella quasipneumoniae gt7: mechanism and efficiency

Author

Karimzadeh, M.

Publisher

Shahid Sadoughi University of Medical Sciences,

Pub. Year

2022

Subjects

Azo compounds. / Coloring agents. / Extremophiles. / Klebsiella. / Salinity.

A novel analysis of critical water pollution in the transboundary Aras River using the Sentinel-2 satellite images and ANNs

Author

Fouladi Osgouei, H.

Publisher

Springer Science and Business Media Deutschland GmbH,

Pub. Year

2022

Subjects

ANN. / Multivariate regression approaches. / Water pollution. / Learning systems. / Neural networks. / Regression analysis. / Remote sensing. / River pollution. / Rivers. / Water quality. / Electrical conductivity. / Multivariate regression. / Multivariate regression approach. / Remote-sensing. / River flow. / Satellite images. / Sentinel-2. / Trans-boundary. / Water quality issues. / Water quality parameters. / Sensitivity analysis. / Artificial neural network. / Concentration (composition) / Multivariate analysis. / River water. / Satellite imagery. / Sentinel. / Araks River.

Effect of casting process on microstructure and tribological behavior of LM13 alloy

Author

Ashiri, R.

Pub. Year

2009

Subjects

Piston. / Abrasives. / Alloys. / Cerium alloys. / Friction. / Gravitational effects. / Mechanical properties. / Mechanisms. / Microstructure. / Self assembled monolayers. / Tribology. / Castability. / Casting process. / Dry sliding. / Friction coefficients. / Gravity casting. / Hot tears. / Low coefficient of thermal expansions. / Piston industries. / Sliding distances. / Squeeze casting. / Squeeze casts. / Strength tests. / Surface fatigues. / Surface qualities. / Tribological behaviors. / Wear behavior. / Wear mechanisms. / Wear rates. / Weight loss. / Thermal expansion.

Electrical behaviour of glass/ carbon- phenolic conductive hybrid composite woven used in electrostatics precipitator filter

Author

Neyestanak, A. A. L.

Pub. Year

2014

Subjects

Carbon woven. / Conductive composite. / Electrostatic precipitators (ESP) / Electrical resistivity, collecting plate. / Glass woven. / Phenolic resin. / Residual modulus. / Residual strength.