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2010

A comparative study of an exponential adaptive perturb and observe algorithm and ripple correlation control for real-time optimization

Buyukdegirmenci, V. T., Bazzi, A. M. & Krein, P. T., Oct 22 2010, 2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010. 5562432. (2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dynamical systems
Experiments

A digital implementation of continuous-time ripple correlation control for photovoltaic applications

Kroeger, K. P., Choi, S., Bazzi, A. M., Johnson, B. B. & Krein, P. T., 2010, Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010. p. 7-11 5 p. 5437166

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Manual control
Graphical user interfaces
Phase shift
Compensation and Redress

A discussion of data center power challenges across the system

Krein, P. T., Dec 1 2010, 2010 International Conference on Energy Aware Computing, ICEAC 2010. 5702280. (2010 International Conference on Energy Aware Computing, ICEAC 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Data Center
Energy management
Electric power systems
Telecommunication
Energy efficiency

Admittance control for anti-islanding protection in modular grid-connected inverters

Krein, P. T. & Esram, T., Oct 22 2010, 2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010. 5562390. (2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Power converters
Electric potential
Electric power distribution

A method for impact assessment of faults on the performance of field-oriented control drives: A first step to reliability modeling

Bazzi, A. M., Dominguez-Garcia, A. & Krein, P. T., May 18 2010, APEC 2010 - 25th Annual IEEE Applied Power Electronics Conference and Exposition. p. 256-263 8 p. 5433661. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric vehicles
Fault detection
Induction motors
Hardware
Sensors

A modular power system architecture for military and commercial electric vehicles

O'Connell, T. C., Raczkowski, B. C., Amrhein, M., Wells, J. R., Tavernini, M. J., Krein, P. T. & Banner, J., Jan 1 2010, In : SAE Technical Papers.

Research output: Contribution to journalConference article

Commercial vehicles
Electric vehicles
Energy storage
Military vehicles
Hybrid vehicles

A time-harmonic three-dimensional vector boundary element model for electromechanical devices

Oconnell, T. C. & Krein, P. T., Sep 1 2010, In : IEEE Transactions on Energy Conversion. 25, 3, p. 606-618 13 p., 5437340.

Research output: Contribution to journalArticle

Electromechanical devices
Boundary element method
Finite element method
Electric machinery
Eddy currents

Battery-ultracapacitor active parallel interface with indirect control of battery current

Niemoeller, B. A. & Krein, P. T., May 18 2010, Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010. p. 12-19 8 p. 5437163. (Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Networks (circuits)
Electric potential
Supercapacitor

Comparative evaluation of machines for electric and hybrid vehicles based on dynamic operation and loss minimization

Bazzi, A. M. & Krein, P. T., Dec 20 2010, 2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings. p. 3345-3351 7 p. 5617782. (2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hybrid vehicles
Electric vehicles
Fluxes
Permanent magnets
Environmental Protection Agency

Formulation of PID control for dc-dc converters based on capacitor current: A geometric context

Kapat, S. & Krein, P. T., Oct 22 2010, 2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010. 5562368. (2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Capacitors
Derivatives
Electric potential
Controllers
Bandwidth

Induction machine modeling approach based on 3-D magnetic equivalent circuit framework

Amrhein, M. & Krein, P. T., Jun 1 2010, In : IEEE Transactions on Energy Conversion. 25, 2, p. 339-347 9 p., 5467361.

Research output: Contribution to journalArticle

Magnetic circuits
Equivalent circuits
Electric machinery
Mesh generation
Power electronics

Large-periphery AlGaN/GaN high electron mobility transistors for high-power operation

Pang, L., Zheng, Z., Seo, H. C., Chapman, P., Krein, P. T., Lee, J. H., Kim, K. W. & Kim, K., Aug 24 2010, 2010 18th Biennial University/Government/Industry Micro-Nano Symposium, UGIM 2010 - Proceedings. 5508902. (Biennial University/Government/Industry Microelectronics Symposium - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High electron mobility transistors
Electric breakdown
Molecular beam epitaxy
Leakage currents
Current density

Local control of an ISOP push-pull converter with uneven load sharing

Shenoy, P. S. & Krein, P. T., May 18 2010, Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010. p. 70-76 7 p. 5437156. (Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

DC-DC converters
Field programmable gate arrays (FPGA)
Topology
Controllers

Local control of multiple module dc-dc converters

Shenoy, P. S. & Krein, P. T., Oct 22 2010, 2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010. 5562384. (2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Power converters

Null response to a large signal transient in an augmented dc-dc converter: A geometric approach

Kapat, S. & Krein, P. T., Oct 22 2010, 2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010. 5562366. (2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Switching frequency
Pulse width modulation
Switches
Bandwidth
Hysteresis

Photovoltaic converter module configurations for maximum power point operation

Kim, K. A. & Krein, P. T., May 18 2010, Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010. p. 77-82 6 p. 5437152. (Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

PID controller tuning in a dc-dc converter: A geometric approach for minimum transient recovery time

Kapat, S. & Krein, P. T., Oct 22 2010, 2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010. 5562367. (2010 IEEE 12th Workshop on Control and Modeling for Power Electronics, COMPEL 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tuning
Derivatives
Recovery
Controllers
Sliding mode control

Power supply aware computing

Shenoy, P. S. & Krein, P. T., 2010, 2010 International Conference on Energy Aware Computing, ICEAC 2010. 5702316

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microprocessor chips
Microprocessor
Computing
Cost reduction
Energy efficiency

Review of methods for real-time loss minimization in induction machines

Bazzi, A. M. & Krein, P. T., Nov 1 2010, In : IEEE Transactions on Industry Applications. 46, 6, p. 2319-2328 10 p., 5565477.

Research output: Contribution to journalReview article

Hybrid vehicles
Induction motors
Physics

Ripple correlation control applied to electric vehicle regenerative braking

Choi, S., Bazzi, A. M. & Krein, P. T., May 18 2010, Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010. p. 88-92 5 p. 5437150. (Proceedings of the 2010 Power and Energy Conference at Illinois, PECI 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Regenerative braking
Electric vehicles
MATLAB
Energy conservation

System level trade-offs of microprocessor supply voltage reduction

Shenoy, P. S., Buyukdegirmenci, V. T., Bazzi, A. M. & Krein, P. T., Dec 1 2010, 2010 International Conference on Energy Aware Computing, ICEAC 2010. 5702319. (2010 International Conference on Energy Aware Computing, ICEAC 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microprocessor
Microprocessor chips
Trade-offs
Voltage
Electric potential
2011

Augmented boost converter for near null-load transient response

Kumar, O., Shenoy, P. S., Krein, P. T. & Kapat, S., Dec 1 2011, 2011 IEEE Power and Energy Conference at Illinois, PECI 2011. 5740478. (2011 IEEE Power and Energy Conference at Illinois, PECI 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transient analysis
Electric potential

Beyond time-optimality: Energy-based control of augmented buck converters for near ideal load transient response

Shenoy, P. S., Krein, P. T. & Kapat, S., 2011, 2011 26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011. p. 916-922 7 p. 5744704

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transient analysis
Bandwidth
Electric potential

Bus selection in multibus DC microgrids

Balog, R. S. & Krein, P. T., May 30 2011, In : IEEE Transactions on Power Electronics. 26, 3, p. 860-867 8 p., 5643159.

Research output: Contribution to journalArticle

Diodes
Electric potential
Redundancy
Controllers

Circuit-based induction motor drive reliability under different control schemes and safe-mode operation

Bazzi, A. M., Ding, X., Dominguez-Garcia, A. & Krein, P. T., May 13 2011, 2011 26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011. p. 653-660 8 p. 5744665. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Induction motors
Networks (circuits)
Feedback linearization
Torque control
Controllers

Concerning maximum power point tracking for photovoltaic optimization using ripple-based extremum seeking control

Bazzi, A. M. & Krein, P. T., Aug 3 2011, In : IEEE Transactions on Power Electronics. 26, 6, p. 1611-1612 2 p., 5959287.

Research output: Contribution to journalArticle

Power electronics

Constrained online efficiency optimization to guarantee load support in motor drives

Bazzi, A. M. & Krein, P. T., Sep 14 2011, 2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011. p. 1149-1152 4 p. 5994764. (2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fluxes
Hybrid vehicles
Dynamic loads
Braking
Electric vehicles

Control for high instantaneous torque from induction machines: Methods and limits

Buyukdegirmenci, V. T. & Krein, P. T., Sep 14 2011, 2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011. p. 777-782 6 p. 5994910. (2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torque
Magnetic circuits
Controllers
Electric potential
Vector control (Electric machinery)

Cost benefits and vehicle-to-grid regulation services of unidirectional charging of electric vehicles

Fasugba, M. A. & Krein, P. T., Nov 28 2011, IEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings. p. 827-834 8 p. 6063856. (IEEE Energy Conversion Congress and Exposition: Energy Conversion Innovation for a Clean Energy Future, ECCE 2011, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric vehicles
Scheduling
Costs
Plug-in hybrid vehicles
Cost functions

Direct torque control stability conditions and compensation methods

Buyukdegirmenci, V. T. & Krein, P. T., Sep 14 2011, 2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011. p. 107-112 6 p. 5994751. (2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Torque control
Torque
Compensation and Redress
Controllers
Electric potential

Electric machines as metamaterials: Induction machine design using planar layer models

Magill, M. P. & Krein, P. T., 2011, 2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011. p. 890-895 6 p. 5994932

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric machinery
Machine design
Metamaterials
Large scale systems
Rotors

Fault impacts on solar power unit reliability

Bazzi, A. M., Kim, K. A., Johnson, B. B., Krein, P. T. & Dominguez-Garcia, A., May 13 2011, 2011 26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011. p. 1223-1231 9 p. 5744749. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solar energy
Power converters
Power electronics
Environmental impact
Physics

Gaining vehicle-to-grid benefits with unidirectional electric and plug-in hybrid vehicle chargers

Fasugba, M. A. & Krein, P. T., Nov 7 2011, 2011 IEEE Vehicle Power and Propulsion Conference, VPPC 2011. 6043207. (2011 IEEE Vehicle Power and Propulsion Conference, VPPC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Plug-in hybrid vehicles
Reactive power
Electric vehicles
Scheduling

Interface analysis of Ti/Al/Ti/Au ohmic contacts with regrown n + -GaN layers using molecular beam epitaxy

Seo, H. C., Sivaramakrishnan, S., Zuo, J-M., Pang, L., Krein, P. T. & Kim, K., Dec 1 2011, In : Surface and Interface Analysis. 43, 13, p. 1627-1631 5 p.

Research output: Contribution to journalArticle

Ohmic contacts
Molecular beam epitaxy
electric contacts
molecular beam epitaxy
Metals

Introduction

Krein, P. T., Jan 1 2011, Power Electronics Handbook. Elsevier Inc., p. 1-14 14 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Power electronics
Networks (circuits)
Switches
Energy dissipation
Electronic equipment

Irradiance and temperature transient sensitivity analysis for photovoltaic control

Kim, K. A., Krein, P. T., Lee, J. J., Bae, H. & Cho, B. H., Aug 31 2011, 8th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2011-ECCE Asia. p. 393-400 8 p. 5944556. (8th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2011-ECCE Asia).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sensitivity analysis
Electric potential
Temperature
Controllers

Photovoltaic AC module composed of a very large number of interleaved inverters

Johnson, B., Krein, P. T. & Chapman, P., May 13 2011, 2011 26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011. p. 976-981 6 p. 5744713. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solar cells
Switching frequency
Pulse width modulation
Energy storage

Power delivery for series connected voltage domains in digital circuits

Shenoy, P. S., Fedorov, I., Neyens, T. & Krein, P. T., 2011, 2011 International Conference on Energy Aware Computing, ICEAC 2011. 6136698

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Digital circuits
Electric potential
Voltage regulators
Voltage control
Microprocessor chips

Small inverter-interfaced distributed energy resources for reactive power support

Domínguez-García, A. D., Hadjicostis, C. N., Krein, P. T. & Cady, S. T., May 13 2011, 2011 26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011. p. 1616-1621 6 p. 5744811. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Energy resources
Reactive power

Solid-state light simulator with current-mode control

Bazzi, A. M., Klein, Z., Sweeney, M., Kroeger, K., Shenoy, P. & Krein, P. T., May 13 2011, 2011 26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011. p. 2047-2053 7 p. 5744878. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light emitting diodes
Simulators
Color
Power converters
Light sources

System energy minimization via joint optimization of the DC-DC converter and the core

Abdallah, R. A., Shenoy, P. S., Shanbhag, N. R. & Krein, P. T., Sep 19 2011, IEEE/ACM International Symposium on Low Power Electronics and Design, ISLPED 2011. p. 97-102 6 p. 5993614. (Proceedings of the International Symposium on Low Power Electronics and Design).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

DC-DC converters
Electric potential
Energy utilization
Throughput
Embedded systems
2012
Domain decomposition methods
Electric machinery
Finite element method
Parallel processing systems
Tensors

Analysis of electromechanical problems using the dual-primal finite element tearing and interconnecting method

Yao, W., Jin, J. & Krein, P. T., May 17 2012, 2012 IEEE Power and Energy Conference at Illinois, PECI 2012. 6184595. (2012 IEEE Power and Energy Conference at Illinois, PECI 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electromechanical devices
Finite element method
Magnetostatics
Parallel processing systems
Eddy currents

A single-stage three-phase AC module for high-voltage photovoltaics

Johnson, B., Krein, P. T., Zheng, Z. & Lentine, A., Apr 30 2012, APEC 2012 - 27th Annual IEEE Applied Power Electronics Conference and Exposition. p. 885-891 7 p. 6165923. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric potential
Cost reduction
Linear regression
Costs
Analytical models

Comparative analysis of differential power conversion architectures and controls for solar photovoltaics

Shenoy, P. S., Kim, K. A. & Krein, P. T., Oct 1 2012, 2012 IEEE 13th Workshop on Control and Modeling for Power Electronics, COMPEL 2012. 6251782. (2012 IEEE 13th Workshop on Control and Modeling for Power Electronics, COMPEL 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Energy conversion
Comparative Analysis
Processing
Converter
Costs

Differential power processing architecture for increased energy production and reliability of photovoltaic systems

Shenoy, P. S., Johnson, B. & Krein, P. T., Apr 30 2012, APEC 2012 - 27th Annual IEEE Applied Power Electronics Conference and Exposition. p. 1987-1994 8 p. 6166095. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Conversion efficiency
Processing
Reliability analysis
Energy conversion
Monitoring

Differential power processing for efficiency and performance leaps in utility-scale photovoltaics

Shenoy, P. S., Kim, K. A., Krein, P. T. & Chapman, P. L., Nov 26 2012, Program - 38th IEEE Photovoltaic Specialists Conference, PVSC 2012. p. 1357-1361 5 p. 6317852. (Conference Record of the IEEE Photovoltaic Specialists Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Processing
Power electronics

Efficiency and cost trade-offs for designing module integrated converter photovoltaic systems

Kim, K. A., Lertburapa, S., Xu, C. & Krein, P. T., May 17 2012, 2012 IEEE Power and Energy Conference at Illinois, PECI 2012. 6184585. (2012 IEEE Power and Energy Conference at Illinois, PECI 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Costs
Microcontrollers
Analytical models
Electric power utilization
Sensors

Examination of design strategies for inverter-driven induction machines

Magill, M. P. & Krein, P. T., May 17 2012, 2012 IEEE Power and Energy Conference at Illinois, PECI 2012. 6184581. (2012 IEEE Power and Energy Conference at Illinois, PECI 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Power electronics
Electric traction
Machine design
Rotors
Innovation

Formulation of PID control for DC-DC converters based on capacitor current: A geometric context

Kapat, S. & Krein, P. T., Feb 20 2012, In : IEEE Transactions on Power Electronics. 27, 3, p. 1424-1432 9 p., 5982421.

Research output: Contribution to journalArticle

Three term control systems
DC-DC converters
Capacitors
Electric potential
Controllers