Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Ahmad Reza Khoogar"'
1
Akademický článek
A New Visual Servoing Method for Grasping and Assembling Objects using Stereo Image Based Feedback
Autor: mahmoud jeddi, ahmad reza khoogar
Publikováno v: International Journal of Advanced Design and Manufacturing Technology, Vol 16, Iss 1, Pp 45-56 (2023)
In this paper, an eye-in-hand stereo image-based visual serving controller for industrial 6 degrees of freedom manipulator robots is presented. The visual control algorithms mostly use the relationship between camera speed and changes in image featur
Externí odkaz: https://doaj.org/article/3a0c6438f1dd4ca999bd5f020a4fa9da
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2
Akademický článek
Tracking control of a planar five-link bipedal walking system with point contact, considering self-impact joint constraint by adaptive neural network method
Autor: Yousef Bazargan-Lari, Mohammad Eghtesad, Ahmad Reza Khoogar, Alireza Mohammad-Zadeh
Publikováno v: Latin American Journal of Solids and Structures, Vol 12, Iss 6, Pp 1074-1101
AbstractIn order to achieve the practical characteristics of natural bipedal walking, a key feature is to realize "the straight knee state of walking" during stance and swing motions. Considering a straight knee necessitates that the shank link of ea
Externí odkaz: https://doaj.org/article/9b8c11c442e04d3a8af74b0a761ec314
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4
A More Realistic Replica of a Walking Biped for Implying Dynamics and Control on Ascending and Descending Stairs by Considering Self-impact Joint Constraint
Autor: Ahmad Reza Khoogar, Yousof Bazargan-Lari
Publikováno v: Iranian Journal of Science and Technology, Transactions of Mechanical Engineering. 44:1029-1052
The aim of this study was to bring forth a model-based control method for trajectory tracking of a normal human-like biped on descending and ascending stairs using the straight knee state and to verify the controller performance in the straight knee
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d236768d844bce4ed013f5449865875a
https://doi.org/10.1007/s40997-019-00302-2
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5
Robust force and displacement control of an active landing gear for vibration reduction at touchdown and during taxiing
Autor: Ahmad Reza Khoogar, Mehran Pirooz, Seyed Hossein Mirmahdi
Publikováno v: SN Applied Sciences. 3
In this paper, a new approach is proposed to control the dynamic response of a landing gear system subjected to runway force, both on heavy landing conditions and at the taxiing process. The mathematical model of the system is used in a way that cove
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f4bae37ecb7851ca77c1b4ad723fa544
https://doi.org/10.1007/s42452-021-04320-1
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6
Modeling forces between the probe of atomic microscope and the scanning surface
Autor: Mehdi Tajdari, Mohammad Javad Sharifi, Ahmad Reza Khoogar
Publikováno v: Neural Computing and Applications. 31:6419-6428
Atomic force microscope (AFM) is usually used to study the properties and surface structure of nanoscale materials. AFMs have three major abilities: force measurement, imaging, and manipulation. In the force measurement, AFM can be used to measure th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12802a69ae18e68dd4c0bf1dd38d8d5f
https://doi.org/10.1007/s00521-018-3446-9
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7
ADAPTIVE NEURAL NETWORK CONTROL OF A HUMAN SWING LEG AS A DOUBLE-PENDULUM CONSIDERING SELF-IMPACT JOINT CONSTRAINT
Autor: Ahmad Reza Khoogar, Alireza Mohammadzadeh, Yousef Bazargan-Lari, Mohammad Eghtesad
Publikováno v: Transactions of the Canadian Society for Mechanical Engineering. 39:201-219
For human walking, the swing leg is usually modeled as a double pendulum. Considering a joint self-impact constraint at the knee joint of the double pendulum model is the main difference in this study. The primary objective of this research is to pro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3477886d3c122dd10c3f1b4e3341efb
https://doi.org/10.1139/tcsme-2015-0015
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8
Tracking control of a planar five-link bipedal walking system with point contact, considering self-impact joint constraint by adaptive neural network method
Autor: Ali Mohammadzadeh, Ahmad Reza Khoogar, Yousef Bazargan-Lari, Mohammad Eghtesad
Publikováno v: Latin American Journal of Solids and Structures v.12 n.6 2015
Latin American journal of solids and structures
Associação Brasileira de Engenharia e Ciências Mecânicas (ABCM)
instacron:ABCM
Latin American Journal of Solids and Structures, Volume: 12, Issue: 6, Pages: 1074-1101, Published: JUN 2015
Latin American Journal of Solids and Structures, Vol 12, Iss 6, Pp 1074-1101
IN ORDER TO ACHIEVE THE PRACTICAL CHARACTERISTICS OF NATURAL BIPEDAL WALKING, A KEY FEATURE IS TO REALIZE €œTHE STRAIGHT KNEE STATE OF WALKING€ DURING STANCE AND SWING MOTIONS. CONSIDERING A STRAIGHT KNEE NECESSITATES THAT THE SHANK LINK OF
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::996d589c6ca8041f6d2c47f0a5d6eb05
https://doi.org/10.1590/1679-78251563
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9
Reduce Positioning Error for Robot Manipulator with Intelligent Technique
Autor: Mehrzad Nasiriyan, Maryam Barati, Ahmad Reza Khoogar
Publikováno v: Advanced Materials Research. :697-706
Using robot manipulators for high accuracy applications require precise value of the kinematics parameters. Since measurement of kinematics parameters are usually corrupted with errors and their accurate measurements are usually expensive, automatic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74e8b94db3540a53369b960b4dc78210
https://doi.org/10.4028/www.scientific.net/amr.403-408.697
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10
A Dual Neural Network for Kinematic Control of Redundant Manipulators Using Input Pattern Switching
Autor: Alireza K. Tehrani, Ahmad Reza Khoogar, Mehdi Tajdari
Publikováno v: Journal of Intelligent & Robotic Systems. 63:101-113
This paper presents a dual neural network for kinematic control of a seven degrees of freedom robot manipulator. The first network is a static multilayer perceptron with two hidden layers which is trained to mimic the Jacobian of a seven DOF manipula
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::976963e9aa49c050e502404edc24be02
https://doi.org/10.1007/s10846-010-9466-z
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