Control strategies for performance enhancements in power electronics and electrical drive systems

使用电力电子技术的开关电源和电动机驱动器已成为当今世界数十亿美元的产业，全球对高质量产品的需求不断增加。这些产品的理想特点是：体积小、功率密度高、效率高、可靠性高、对参数变化不敏感、成本低、性能稳定、动态响应快。全世界的研究人员都在不懈地追求这些目标。本研究计划的主要目标是应对这些挑战，概述如下：-为功率因数校正电路实现新的耦合电感零电压开关技术，以提高效率和功率密度。-为脉宽调制电源和谐振电源开发新的鲁棒数字控制技术，以实现鲁棒性能，对参数变化不敏感，快速动态性能和降低成本。-开发和实施用于功率MOSFET开关的新型高效栅极驱动电路，以提高开关电源的效率和功率密度。-探索用于计算应用的高频交流电源分配的新拓扑和控制技术，以提高效率、功率密度、动态性能和降低成本。-开发高功率密度无刷直流（BLDC）电机驱动器，应用于工业驱动器，如机器人，伺服和电动/太阳能汽车。该研究项目将提高电力电子和驱动领域的知识，并将使加拿大的电源和电机驱动行业受益。

Switching power supplies and electric motor drives, using power electronics technology, have become multi-billion dollar industries in the world today and the demand for high quality products is constantly increasing worldwide.  The desirable features of these products are:  small size, high power density, high efficiency, high reliability, insensitivity to parameter variations, low cost, robust performance and fast dynamic response.  The relentless pursuit of these goals is underway by researchers worldwide.  The major objective of this research program is to meet these challenges that are outlined as follows: -To implement new coupled inductor zero voltage switching techniques for power factor correction circuits in order to improve efficiency and power density. -To develop new robust digital control techniques for pulse width modulated power supplies and resonant power supplies to achieve robust performance, insensitivity to parameter variations, fast dynamic performance and to reduce cost. -To develop and implement new high efficiency gate drive circuits for power MOSFET switches to improve efficiency and power density in switching power supplies. -To explore new topologies and control techniques for high frequency AC power supply distribution for computing applications in order to improve efficiency, power density, dynamic performance and to reduce cost. -To develop high power density Brushless DC (BLDC) motor drives for application to industrial drives such as robots, servos and electric/solar cars. The research program will enhance knowledge in the field of power electronics and drives and will benefit the power supply and motor drive industries in Canada.