In this paper, a non isolated multi-input multi-output dc–dc boost converter is proposed. This converter is used to implant alternative energy sources in electric vehicles. However, advantages of different sources of energy are achievable by the implant energy sources. This converter has many outputs with different voltage levels, which can be interfaced with multilevel inverters. In this conve...

BACKGROUND Mechanical torque limiting devices (MTLDs) are necessary tools to control a peak torque and achieving target values of screw component of dental implants. Due to probable effect of autoclaving and number of use on the accuracy of these devices, this study aimed to evaluate the effect of sterilization and number of use on the accuracy of friction-style mechanical torque limiting devic...

In order to solve the problems of complex structure and difficulty neutral adjustment existing 2D valve electro-mechanical converter, a kind claw pole magnetic levitation torque motor (CPMLTM) was proposed, which automatically suspended rotor in an axially circumferentially position by using cogging axial recovery forces between stator permanent magnet (PM). Compared with conventional moving ir...

The main purpose of this paper is to describe the four-switch brushless dc (BLDC) motor drive for varoius applications. For effective utilization of the developed system, a novel direct current controlled pulse width modulation scheme is designed and implemented to produce the desired dynamic and static speed–torque characteristics. Also, t h e feasibility of the four-switch converter. Keywords...

In this paper, the concept and implementation of field-orientation control (FOC) of a doubly excited brushless reluctance machine (DEBRM) for variable-speed drives and generating systems are presented. A stator-flux-orientation scheme is employed to achieve decoupled control of torque and reactive power. A 2-hp DEBRM prototype system with a digital signal processor (DSP)-based controller and a ...

a new mechanical cultivator was proposed for mechanical weeding in part one. the precise point method was used to geometric design of this new cultivator. the aim of this research is selecting the suitable mechanism of the studied mechanisms in part one. the velocity and acceleration of links (kinematic) is the base of dynamic analysis of the systems. the variation of velocity, acceleration and...

This paper presents an observer-based robust control for mechatronic systems that utilize a surface-mounted permanent magnet synchronous motor (SPMSM). A mechatronics system with SPMSM typically comprises mechanical moving part (outer-loop) and power converter (inner-loop) to drive the motor. We explain dynamic modeling of provide brief discussion on disturbances in SPMSM. cascaded tracking err...

Due to less pollution, silence and high efficiency electric vehicles are fascinating to the citizens widely. There are number of physical and electrical aspects are to be considered during vehicle modeling. When electric vehicle runs on the concrete surface rolling resistance resist the vehicle tire to move fast. On the other hand when the vertical angle of vehicle drive is increased or decreas...

This paper proposes a method to reduce the torque ripple vibration of an integrated power factor correction (PFC) converter by using zero-phase inductance interior permanent magnet synchronous motor (IPMSM) when is not running. When PFC applied electric vehicle (EV) chargers, it necessary oscillation caused charging current. In IPMSM, current and magnetomotive force harmonics cause vibration. p...