نتایج جستجو برای: brushless dc

تعداد نتایج: 56373  

2017
Yao Yu Yunfei Fan

The product delivery system is normally powered by a DC motor. Permanent magnet brushless DC motor small sized, high power density, simple structure, is currently being widely used in a variety of transmission systems. In this paper, a permanent magnet motor position sensorless actuator for the production of a delivery system is studied. The actuator position control algorithm of the EGR system...

2005

• Robust sensorless commutation control. • External speed reference. • Overcurrent detection/protection. • Basic speed controller included. • Full source code in C. • Source code can be adapted to a new motor by changing parameters. • Several I/O pins/peripherals not used for motor control. Can be used for other purposes, such as status LEDs, communication or user input. • Works without modific...

2004
R. PRASANNA

This paper presents performance analysis of permanent magnet brush less dc motor (BLDC) using FEA based CAD package MagNet 6.13.First the characteristics of the standard BLDC motor is analysed. Then the design modifications are introduced and the performance of the machine is analysed. Based on the results optimum design is obtained.

2014
P. Mahesh T. Vinod Kumar S. Krishna Murty Raju D. Rama Shankar M. Ramu

─ Brushless dc (BLDC) motor drives are continually gaining popularity in motion control applications. Therefore, it is necessary to have low cost, but effective speed/torque characteristics. A Brushless DC (BLDC) drives are known for higher efficiency and lower maintenance. As the name implies, BLDC motors do not use brushes for commutation instead, they are electronically commutated. For effec...

2013
K. VIJAYAKUMARI

Brushless dc motors are widely used in many industrial applications due to their high efficiency, high power density and ease of control. In this paper, sensorless direct torque control (DTC) of bldc motor is implemented using fuzzy logic. In actual DTC both torque and stator flux linkage is controlled. In the proposed system, the control of stator flux linkage is avoided because every commutat...

2009
Chih-Min Lin Chun-Fei Hsu Chao-Ming Chung

The main advantage of the recurrent cerebellar model articulation controller (RCMAC) is its rapid learning rate compared to other neural networks. This paper proposes an adaptive RCMAC control system for a brushless DC (BLDC) motor. The proposed control scheme is composed of an RCMAC controller and a robust compensator. The RCMAC controller is used to mimic an ideal controller, and the robust c...

In this paper a fast analytical algorithm for design a surface-mounted PM Brushless DC motor (SMPM-BLDC) for variable-speed application based on electromagnetic field analysis and RSM optimization algorithm is discussed. To achieve the desired performance, the physical dimensions of the proposed SMPM-BLDC motor subject to minimal ripple torque utilizing RSM optimization algorithm were optimized...

2015
S. Iyappan

This paper presents a performance of the canonical switching cell (CSC) converter fed brushless DC (BLDC) motor drive for power quality (PQ) improvement. The use of CSC not only controlled the DC link voltage but also make the inverter to operate at low frequency so that switching losses are minimized. Moreover the use of front end CSC improves the power factor at AC mains. The system needs onl...

2007
Marius Georgescu

ABSTRACT This paper analyses the dynamic performances of a VSI-DC brushless drive system suitable for an electrical vehicle propulsion. The main original part of the work is a computer simulator realized in Matlab-Simulink sofware package, based on the laboratory practical experiments. To monitorize and control the motor parameter variations and influences during the variable frequency motor dy...

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