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Filtering by: Committee Member Haapala, Karl R. Degree Field Electrical and Computer Engineering

DC bus capacitor discharge of permanent magnet synchronous machine drive systems for hybrid/electric vehicles

Creator:

Jin, Lei

Abstract:

Permanent magnet synchronous machines (PMSMs) are widely used in electric vehicles and hybrid electric vehicles to propel the wheels. Various control strategies have been developed for PMSM drive systems to achieve both high efficiency and safe operation. In a PMSM drive system, generally the high voltage battery and the power...

Resource Type:

Masters Thesis

Full Text:

and Dr. Karl R. Haapala for being part of my committee. I would like to thank Mike Starrett, Han
Hardware-Based Security Enhancement for Near Field Communication and Other Close Proximity Inductive-Based Communication Systems

Creator:

Kness, Philip J.

Abstract:

Several hardware-based security improvements to Near Field Communication (NFC) and Radio-Frequency Identification (RFID) systems are developed and presented. The improvements are intended to be used in conjunction with software encryption to ensure robust security. Two main implementations for a more secure NFC or RFID system are presented: a jamming system,...

Resource Type:

Masters Thesis

Full Text:

denote the specific system, where r, t, and j represent the reader, transponder, and jammer, respectively
Fully-integrated mm-Wave Full-duplexing and MIMO Multi-beamforming Receiver Techniques for 5G and Beyond

Creator:

Garg, Robin

Abstract:

In recent years, the research community's interest in fully integrated mm-Wave wireless communication systems has increased significantly. With the standards for 5G NR now in place, the focus has shifted to actual deployment. Mm-Wave systems provide wider bandwidths, higher capacity, and lower latency than existing systems such as 4G. Higher...

Resource Type:

Dissertation

Full Text:

, Prof. Un-Ku Moon, Prof. Mathew Johnston and Prof. Karl Haapala who has served on my program committee