Effect of the material properties of the rotor-disc on the performance of eddy current braking systems
Effect of the material properties of the rotor-disc on the performance of eddy current braking systems

Ahmed M. Salman; Jamal A.-K. Mohammed; Farag M. Mohammed

Articles in Press, Corrected Proof, Available Online from 16 February 2024

https://doi.org/10.30684/etj.2024.144221.1625

Abstract
  Failure of traditional brakes occurs due to raised temperatures and the formation of structural fractures caused by wear and strain. For resolving mechanical brake problems, consider ...  Read More ...
Modeling and control of a high-quality electro-hydraulic actuator driven via an induction motor under intelligent indirect vector control
Modeling and control of a high-quality electro-hydraulic actuator driven via an induction motor under intelligent indirect vector control

Aws F. Hassan; Jamal A.-K. Mohammed; Walaa M. Hashim

Articles in Press, Corrected Proof, Available Online from 21 March 2024

https://doi.org/10.30684/etj.2024.144140.1622

Abstract
  Due to its excellent energy efficiency and broad speed range, the variable-speed electro-hydraulic drive is an appealing driving principle in many contemporary industrial applications. ...  Read More ...
Design and Implementation of an Electromechanical Brake System
Design and Implementation of an Electromechanical Brake System

Haider N. Faisal; Farag M. Mohammed; Jamal A. Mohammed

Volume 40, Issue 1 , January 2022, , Page 31-39

https://doi.org/10.30684/etj.v40i1.2150

Abstract
  Nowadays, hydraulic brakes are already being replaced by electromechanical brakes (EMB) to improve quick-response brakes, efficient fuel consumption, environmentally sound, simple maintenance, ...  Read More ...
Optimization of Design Parameters for Manufacturing a Radial Active Magnetic Bearing with 12-Poles
Optimization of Design Parameters for Manufacturing a Radial Active Magnetic Bearing with 12-Poles

Mohamed N. Hamad; Muhannad Z. Khalifa; Jamal A. K. Mohammed

Volume 40, Issue 1 , January 2022, , Page 207-216

https://doi.org/10.30684/etj.v40i1.2202

Abstract
  This research aims to design an Active Magnetic Bearing (AMB) after performing an optimization process via reducing the number of poles and by reducing air gap, Dia. Yoke, and Z-length ...  Read More ...
Modeling and Simulation of Telescopic Hydraulic for Elevating Purposes
Modeling and Simulation of Telescopic Hydraulic for Elevating Purposes

Istabraq H. Abed Al-Hady; Farag M. Mohammed; Jamal A.K. Mohammed

Volume 40, Issue 1 , January 2022, , Page 226-232

https://doi.org/10.30684/etj.v40i1.2253

Abstract
  The hydraulic cylinder is widely used in industry as the load lifting structures. A telescopic hydraulic cylinder is a special design of a cylinder with a series of gradually smaller ...  Read More ...
Numerical Analysis of Linear Elevator Structure Using Finite Element Method
Numerical Analysis of Linear Elevator Structure Using Finite Element Method

Saba A. Othman; Jamal A.-K. Mohammed; Farag M. Mohammed

Volume 39, Issue 9 , September 2021, , Page 1430-1436

https://doi.org/10.30684/etj.v39i9.2083

Abstract
  In this work, the structure of the linear elevator prototype had been investigated numerically using finite element method. The linear motor structure parameters analyzed using Maxwell ...  Read More ...
Performance Improvement of a Conventional Hydraulic Elevator by Using Electro-Hydraulic Servo Mechanism
Performance Improvement of a Conventional Hydraulic Elevator by Using Electro-Hydraulic Servo Mechanism

Jamal AK. Mohammed; Walaa M. Hashim; Bahaa S. Beram

Volume 38, 5A , May 2020, , Page 748-760

https://doi.org/10.30684/etj.v38i5A.367

Abstract
  An electro-hydraulic elevator is a new type of enhanced elevators that are used in low-rise buildings that do not exceed more than three floors. In this paper, an electro-hydraulic ...  Read More ...
Design and Evaluation of a CAD/CAM System for Progressive Dies
Design and Evaluation of a CAD/CAM System for Progressive Dies

Tahseen Fadhel. Abbas; Jamal Hassain. Mohammed; Firas Sadi Abd-Alqader

Volume 27, Issue 3 , February 2009, , Page 88-100

https://doi.org/10.30684/etj.27.3.16

Abstract
  The objective aim of this paper is to generate design and manufacturing data of themain components of progressive dies depending on a 2D drawing ( low level entities) ofthe desired ...  Read More ...