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首页> 外文会议>IEEE International Electric Machines and Drives Conference;IEMDC '09 >A low-cost digital control scheme for Brushless DC motor drives in domestic applications
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A low-cost digital control scheme for Brushless DC motor drives in domestic applications

机译：家用应用中的无刷直流电动机驱动器的低成本数字控制方案

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摘要

Electric motors are an integral part of industrial plants with no less than 5 billon motors built worldwide every year. Residential and commercial appliances such as refrigerators and air conditioning systems have been using conventional motor drive technology. The machines in these applications typically have low efficiencies and high maintenance. Brushless DC (BLDC) drives are known for higher efficiency, lower maintenance and higher cost. In a market driven by profit margins, the appliance industry is reluctant to replace the conventional motor drives with the advanced motor drives (BLDC) due to their higher cost. Therefore it is necessary to have a cost-efficient, but effective BLDC motor controller. This paper lays the groundwork for the development of a new low-cost IC for control of BLDC motors. A simple novel digital pulse width modulation (PWM) control has been implemented for a trapezoidal BLDC motor drive system. Due to the simplistic nature of this control, it has the potential to be implemented in a low cost application specific integrated circuit (ASIC). The novel controller is modeled and verified using simulations. Experimental verification is carried out using Field Programmable Gate Arrays (FPGA) to validate the claims presented.
机译：电动机是工业工厂不可或缺的一部分，每年在全球范围内制造不少于5台Billon电动机。诸如冰箱和空调系统之类的住宅和商业设备一直在使用常规的电动机驱动技术。这些应用中的机器通常效率较低且维护成本很高。无刷直流（BLDC）驱动器以更高的效率，更低的维护成本和更高的成本而著称。在利润率驱动的市场中，由于成本较高，因此电器行业不愿意用高级电动机驱动器（BLDC）代替传统电动机驱动器。因此，必须具有成本效益高但有效的BLDC电机控制器。本文为开发用于控制BLDC电机的新型低成本IC奠定了基础。已经为梯形BLDC电机驱动系统实现了一种简单的新型数字脉冲宽度调制（PWM）控制。由于这种控制的简单性，它有可能在低成本的专用集成电路（ASIC）中实现。使用仿真对新型控制器进行建模和验证。使用现场可编程门阵列（FPGA）进行实验验证，以验证提出的主张。

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