Research Article Structure/Solid Mechanics/Solid Dynamics/Vibrations/Aeroelasticity/...
Experimental Investigation on High cycle Fatigue Behavior of Al6061/SiC composite Fabricated by Friction Stir Processing

hossein torabian; Simin kamali rousta; mohammad Jelokhani Niaraki

Volume 7, Issue 4 , January 2024, Pages 1-10

Abstract
  According to friction stir processing For production of surface composites with constant progress and rotational speed, samples are made in different number of passes (1,3.5) and to obtain the stress range and adjust the device and apply the fatigue and tensile test is performed. Results of micro-structure ...  Read More

Research Article Flight mechanics/Navigation/Control/...
Formation control of unmanned helicopters using the sliding mode controller method

Fatemeh Ghaderi; Alireza Toloei; Reza Ghasemi

Volume 7, Issue 4 , January 2024, Pages 11-21

Abstract
  This article aims to control the group flight of unmanned helicopters. After presenting the dynamic equations using the Newton-Euler method, the dynamic inversion control has been applied to control the position and attitude of helicopters. generalized predictive control was also used to control the ...  Read More

Research Article Flight mechanics/Navigation/Control/...
Intelligent Tuning PID Controller, Simulation and Comparison for a Quadrotor

Mana Ghanifar; Milad Kamzan; Morteza Tayefi

Volume 7, Issue 4 , January 2024, Pages 23-33

Abstract
  n this paper, the use of PID controller to control a model of a quadrotor with nonlinear dynamics is investigated. In this regard, after presenting the designed nonlinear dynamic quadrotor model, four distinct methods for adjusting the parameters of this controller are examined and compared. These four ...  Read More

Research Article Structure/Solid Mechanics/Solid Dynamics/Vibrations/Aeroelasticity/...
Free vibration analysis of cylindrical sandwich shells with FML face and functionally graded core using a new shell theory

Ali Davar; Mohsen Heydari Beni; Reza Azarafza; Jafar Eskandari Jam

Volume 7, Issue 4 , January 2024, Pages 35-49

Abstract
  In this research, by improving the accuracy of existing high-order theories, a new corrected high-order composite cylindrical shell theory with twelve displacement components has been developed. In this theory, the effect of terms related to the trapezoidal shape of the shell cross-section (1+z/R) in ...  Read More

Scientific extension Life Sciences/Environment/Plant Physiology/Animal Physiology/Remote Sensing/...
Designing an optical system for plant research in space

Halimeh Hassanpour

Volume 7, Issue 4 , January 2024, Pages 51-58

Abstract
  Light is as an environmental factor affecting plant growth. So far, various light sources have been used to grow plants in closed systems and space studies. Traditional light sources have some problems and are not suitable for space research. The biggest problem of them is the need for the high energy ...  Read More

Scientific extension Structure/Solid Mechanics/Solid Dynamics/Vibrations/Aeroelasticity/...
A Review on Space Solar Arrays

S. Javid Mirahmadi; Mohamad Reza Nasresfahani

Volume 7, Issue 4 , January 2024, Pages 59-70

Abstract
  Supplying the energy demanded by spacecraft and satellites is an ever-increasing need. As a result, it is an active field in developing space technologies. In addition to the commonly used rigid substrate solar arrays, flexible substrate and concentrator solar arrays are other available categories. This ...  Read More