Integrated Design Methodologies for High Performance Electric Drives

该项目的目标是研究集成设计方法，并推出新的高效率、高扭矩、具有更宽速度范围的机电能量转换器，这些转换器能够在极端条件下(如绕组故障)生存和运行。该方法是：1)考虑不同阶次的空间谐波对激励的贡献，以便设计高效的电机。机器将被分解成几个子机器，并在多空间、多参考坐标系中建模2)通过重新配置电机的扭矩-速度分布并增加速度范围3)开发用于改变励磁模式和修改机器中的磁场的控制策略，从而适应故障条件。智能优点：该项目将促进从标准的现成电机转向新的高性能、容错的电机。介绍了一种高性能电机优化设计的解析方法。对新系统进行了相应的分析和建模。提出了实现激励模式的脉宽调制策略。更广泛的影响：采用更高效的电机将显著降低能源消耗。高性能电动驱动的存在对可再生能源系统、混合动力汽车、航空航天和船舶推进应用具有极大的兴趣。为了使这门学科更有趣，现有的本科课程将进行重组，纳入研究内容，并将开发一门新的研究生课程。

The objective of the project is to investigate integrated design methodologies and introduce new high efficiency, high torque electromechanical energy converters with wider speed ranges that are capable to live and operate under extreme conditions such as winding faults. The approach is 1) to consider the contribution of different orders of space harmonics originating from the geometry and time harmonics of the excitation in order to design efficient electric machines. The machine will be decomposed into several child machines and modeled in multi-space, multiple frame of references 2) to combine the torque-speed profiles of electric machines through their reconfiguration and increase the speed range 3) to develop control strategies for varying the excitation patterns and modifying the magnetic field in the machine and therefore accommodate for the faulty condition.Intellectual merit: This project will facilitate a move away from the standard off-the-shelf electric machines to new high performance, fault tolerant ones. An analytical approach is introduced for the optimal design of high performance electric machines. The new systems are analyzed and modeled accordingly. Pulse Width Modulation strategies for realizing the excitation patterns are developed. Broader impact: Employing more efficient electric motors will significantly decrease the energy consumption. The existence of high performance electric drives can be of great interest for renewable energy systems, hybrid electric vehicles, aerospace and ship propulsion applications. In order to make the discipline more interesting the existing undergraduate courses will be restructured to include research components and a new graduate course will be developed.