Speed Control of Hydraulic Motor System with Swashplate DC-Controlled Pump
Speed Control of Hydraulic Motor System with Swashplate DC-Controlled Pump

Majid A. Oleiwi; Amjed J. Humaidi

Volume 27, Issue 15 , November 2009, , Page 2814-2834

https://doi.org/10.30684/etj.27.15.10

Abstract
  In a previous study, speed-controlled hydraulic motor system hasemployed a DC motor for changing the swashplate angle of a variabledisplacement piston pump. However, the speed control ...  Read More ...
Numerical Study of Forced Convection in Wavy and Diverged-Converged Ducts
Numerical Study of Forced Convection in Wavy and Diverged-Converged Ducts

Waheed S. Mohamad; Sattar J. Habeeb; Anmar M. Basheer

Volume 27, Issue 7 , May 2009, , Page 1385-1403

https://doi.org/10.30684/etj.27.7.14

Abstract
  A three-dimensional study of developing fluid flow and heat transfer throughwavy and diverged-converged ducts were studied numerically for a Prandlt number 0.7and 5.85 and compared ...  Read More ...
State Estimation of Two-Phase Permanent Magnet Synchronous Motor
State Estimation of Two-Phase Permanent Magnet Synchronous Motor

Amjed J. Hamidi; Ahmed Alaa Ogla; Yaser Nabeel Ibrahem

Volume 27, Issue 7 , May 2009, , Page 1435-1443

https://doi.org/10.30684/etj.27.7.17

Abstract
  The goal of this paper is to estimate the states of two-phase permanent magnet synchronousmotor (PMSM). The system is highly nonlinear and one therefore cannot directly use any linearsystem ...  Read More ...