Publications/Patents

SELECTED PATENTS:

Inventor and/or co-inventor of 77 granted patents in the area of smart grid-enabled appliances, advanced electrical drives, power electronics, and their system integration at the product level:

1. Farhad Ashrafzadeh, et al., US20130340450 On-line energy optimization adaptive to environmental condition

2. Farhad Ashrafzadeh, et al., US20130160219 Efficient energy usage for a laundry appliance

3. Farhad Ashrafzadeh, et al., US20110016738 Laundry treating appliance with controlled mechanical energy

4. Farhad Ashrafzadeh, et al., US20140123514 Laundry treating appliance with tumble pattern control

5. Farhad Ashrafzadeh, et al., US20080120789 Clothes bunching detection for an automatic washer

6. Farhad Ashrafzadeh, et al., US20080109967 Tangling detection for an automatic washer

7. Farhad Ashrafzadeh, et al., US20100205824 Laundry treating appliance with fluffing-state detection

8. Farhad Ashrafzadeh, et al., US20080115295 Mechanical action estimation for washing machines

9. Farhad Ashrafzadeh, et al., US20080120790 Adaptive water level adjustment for an automatic washer

10. Farhad Ashrafzadeh, et al., US20090314801 Hands free, controlled auto-fill for a dispenser

11. Farhad Ashrafzadeh, et al., US20100101317 Lid based amount sensor

12. Farhad Ashrafzadeh, et al., US20100106626 System and method for tracking inventory history

13. Farhad Ashrafzadeh, et al., US20100205820 Laundry treating appliance with load surface area detection

14. Farhad Ashrafzadeh, et al., US20100205823 Laundry treating appliance with fluffing-state imaging control

15. Farhad Ashrafzadeh, et al., US20100205825 Laundry treating appliance with bulky item detection

16. Farhad Ashrafzadeh, et al., US20100205826 Laundry treating appliance with imaging control

17. Farhad Ashrafzadeh, et al., US20100263136 Method and apparatus for determining laundry load size

18. Farhad Ashrafzadeh, et al., US20090314016 Ice imaging system

19. Farhad Ashrafzadeh, et al., US20100046793 Ice quality sensing system employing digital imaging

20. Farhad Ashrafzadeh, et al., US20100102959 Modular attribute sensing device

21. Farhad Ashrafzadeh, et al., US20100106446 Attribute sensing processes

22. Farhad Ashrafzadeh, et al., US20100106624 Method of inventory management

23. Farhad Ashrafzadeh, et al., US20100106521 Consumables inventory management method

24. Farhad Ashrafzadeh, et al., US20100155415 Select fill sensor system for refrigerator dispensers

25. Farhad Ashrafzadeh, et al., US20130174353 laundry treating appliance with reciprocating movement

26. Farhad Ashrafzadeh, et al., US20100106446 Attribute sensing processes

27. Farhad Ashrafzadeh, et al., US20100102959 Modular attribute sensing device

28. Farhad Ashrafzadeh, et al., US20140057214 Boil and boil-dry detection methods for cooking appliances

29. Farhad Ashrafzadeh, et al., US20120138092 Dishwasher with imaging device for measuring load characteristics

30. Farhad Ashrafzadeh, et al., EP2607542A2 Maximizing drum speed by continuously monitoring inertia

SELECTED PUBLICATIONS:

1. T. Yi, J. Dye, M. Shircliff, F. Ashrafzadeh, “A New Physics-Based Drying Model of the Thin Clothes in an Air-Vented Clothes Dryer,” Submitted to IEEE Transactions On Mechatronics, Nov. 2014

2. S. M. Dehghan, M. Mohamadian, F. Ashrafzadeh, “Space Vectors Modulation for Nine-Switch Converters,” IEEE Transactions on Power Electronics, vol. 25, no. 6, pp. 1488 – 1496, June 2010

3. S. M. Dehghan, M. Mohamadian, A. Yazdian, F. Ashrafzadeh, “Dual-Input Dual-output Z-Source Inverters,” IEEE Transactions on Power Electronics, vol. 28, no. 2, pp. 360 – 368, Feb. 2010

4. M. Mohamadian, E. P. Nowicki, F. Ashrafzadeh, “A Neural Network Estimator & its Efficient DSP Implementation for Vector Controlled Induction Motor Drives,” IEEE Trans. on Industry Applications, vol. 39, no. 6, pp. 1622-1629, Nov.-Dec. 2003

5. F. Ashrafzadeh, “Auto Design of Genetic Based Fuzzy Logic Controllers for Field Oriented Induction Motor Drives,” Ph.D. Dissertation, University of Calgary, Calgary, Canada, 1996.

6. F. Ashrafzadeh, “Dynamic Model and Simulation of Voltage-source Induction Motor Drives,” Master Thesis, University of Science & Technology, Tehran, Iran, 1990.

SELECTED CONFERENCE PRESENTATIONS:

7. F. Ashrafzadeh, R. Choate, and T, Yi, "An Integrated Approach to Engineering Research and Development using Energy Efficient Appliances," KY EPSCoR Annual Meeting, May 2015

8. M. Shircliff, Del Cox, k. Schmaltz, and F. Ashrafzadeh, “Performance Prediction of Drying Process in Clothes Dryers Using a Multi-physics Simulation Environment,” KY EPSCoR Annual Meeting, 2015

9. Chad Brode, A. Salihovic, J. Houser, M. Suljic, and F. Ashrafzadeh, “Wind Energy Harvesting, Conversion, and Control” KY EPSCoR Annual Meeting, May 2015

10. K. Woods (Student Author), F. Ashrafzadeh, H. Rathnayake, “Solar Array Performance Prediction and Evaluation for Real-World Operating Conditions,” IEEE SoutheastCon, March 2014

11. K. Woods (Student Author), F. Ashrafzadeh, H. Rathnayake, “Organic solar cell energy harvesting, control, optimization, and commercialization – Challenges & opportunities,” Proc. of IEEE/PEDG (Power Electronics for Distributed Generation Systems), pp. 1-7, July 2013

12. C. Igelheart (Student Author), J. Marques, C. Ramirez-Leon, F. Ashrafzadeh, S. Wilson, “A robust PID-type fuzzy logic controller for variable speed motor drives,” NAPS (North American Power Symp.), 2013

13. A. Fatemi, M. Azizi, M. Mohamadian, F. Ashrafzadeh, “A Minimized Switch Count Single-phase AC/AC Converter with Active Front End,” IEEE Applied Power Elect. Conf. (APEC), pp. 1502-1507, 2012

14. S. Dehghan, M. Mohamadian, A. Yazdian, F. Ashrafzadeh, “A Novel Space Vector Modulation for Nine-Switch Converters,” IEEE Energy Conversion Congress and Expo. Proc., pp. 885-891, Sep. 2009

15. S. Dehghan, M. Mohamadian, A. Yazdian, F. Ashrafzadeh, “Dual-Input Dual-output Z-Source Inverter” IEEE Energy Conversion Congress and Expo (ECCE) Proc., pp. 3668-3674, Sep. 2009

16. Y. Yuan, A. Bunedia, R. Martin, F. Ashrafzadeh, “Unbalanced Load Estimation Algorithm Using Multiple Mechanical Measurement for Horizontal Washing Machines,” Proc. of the IEEE Sensors Conference, Atlanta, Georgia, pp. 1303-1306, Oct. 2007

17. Salih Oztork, B. Akin, H. Toliyat, F. Ashrafzadeh, “Low Cost Direct Torque Control Of PM Synchronous Motor Using Hall-Effect Sensor,” Proc. of the IEEE-APEC Conf., pp. 667-673, Mar. 2006

18. M. Mohamadian, M. Pedram, F. Ashrafzadeh, “Digital Second Order Sliding Mode Control for Synchronous Reluctance Motor,” Proc. of IEEE-IAS Annual Meeting, pp. 1899-1902, Oct. 2004

19. M. Mohamadian, E. P. Nowicki, F. Ashrafzadeh, “A Novel Neural Network Controller & its Efficient DSP Implementation for Vector Controlled Induction Motor Drives,” Proc. of IEEE-IAS Annual Meeting, vol. 2, pp. 1455-1462, Oct. 2002

20. F. Ashrafzadeh, et al., “Reducing the Order of Fuzzy Controllers Based on Control Surface Rotation,” Proc. of IEEE Canadian Conference of Electrical and Computer Eng., vol.2, pp. 785- 787, May 1997

21. F. Ashrafzadeh, et al., “Optimal Approximation of Nonlinear Functions Employing Fuzzy Systems,” Proc. of IEEE Canadian Conf. of Electrical and Computer Engineering, vol. 2, pp. 781-784, May 1997

22. M. Mohamadian, E. P. Nowicki, F. Ashrafzadeh, J. Salmon, “DSP Implementation of an Artificial Neural Network for Induction Motor Control,” Proc. of the IEEE Canadian Conference of Electrical and Computer Engineering (CCECE), vol. 2, pp. 435 – 437, May 1997

23. M. Mohamadian, E. P. Nowicki, F. Ashrafzadeh, J. Salmon, “A Modified State Space Vector PWM Current Regulator for Improved Torque Control of a Three-phase Induction Motor,” Proc. of the IEEE Canadian Conf. of Electrical and Computer Engineering (CCECE), vol. 2, pp. 748-751, May 1997

24. F. Ashrafzadeh, et al. “Optimal Synthesis of Fuzzy Sliding Mode Controllers,” Proc. of the IEEE-IAS Conference, vol. 3, pp. 1741-1745, Oct. 1996

25. F. Ashrafzadeh, et al., “An Effective Approach for Optimal Design of Fuzzy Controllers,” Proc. of IEEE Canadian Conf. of Elec. and Computer Engineering (CCECE), vol. 2, pp. 542-545, May 1996

26. M. Mohamadian, E. P. Nowicki, F. Ashrafzadeh, J. Salmon, “Training a Neural Network Controller for Indirect Field Orientation Control,” Proc. of IEEE Canadian Conf. of Electrical and Computer Engineering (CCECE), vol. 2, pp. 615-618, May 1996

27. F. Ashrafzadeh, et al., “The Automatic Design and Optimization of Fuzzy Logic Controllers Based on Genetic Algorithm,” ASME Press Series on Intelligent Engineering Systems through Artificial Neural Networks, vol. 5, pp. 537-542, 1995

28. F. Ashrafzadeh, et al., “A Self Organizing and Self Tuning Fuzzy Logic Controller for Field Oriented Control of Induction Motor Drives,” Proc. of the IEEE-IAS, vol. 2, pp. 1656-1662, Oct. 1995

29. K. P. Toh, E. Nowicki, F. Ashrafzadeh, “A Flux Estimator for Field Oriented Control of an Induction Motor Using an Artificial Neural Network,” Proc. of IEEE-IAS Annual Meeting, vol.1, pp. 585-592, 1994

30. B. Nowrouzian, A. G. Fuller, F. Ashrafzadeh, “Constraint Min-Max Optimization of Finite-precision Multi-rate Digital Filters over the Canonical Signed-Digit Coefficient Space,” Invited paper, Proc. of the Midwest Symposium on Circuits and Systems, vol.2, pp. 683-686, Aug. 1997

31. F. Ashrafzadeh, B. Nowrouzian, A. G. Fuller, “A Novel Modified Branch-and-Bound Technique for Discrete Optimization over Canonical Signed-Digit Number Space,” Proc. of IEEE Inter. Symposium on Circuits and Systems (ISCAS), vol.5, pp. 391-394, May-June 1998

32. B. Nowrouzian, A. G. Fuller, F. Ashrafzadeh, “Interactive constrained min-max optimization of multi-rate digital filters over the canonical signed-digit coefficient space,” Proceedings of IEEE Symposium on Advances in Digital Filtering and Signal Processing, pp. 43-47, Jun 1998

33. B. Nowrouzian, A. Fuller, F. Ashrafzadeh, “Multi-Rate Digital Filters over the Canonical Signed-Digit Coefficients Space,” Proc. of IEEE Symp. on Advances in Digital Filtering & Signal Proc., June 1998

34. G. Fuller, B. Nowrouzian, F. Ashrafzadeh, “Optimization of FIR Digital Filters over the Canonical Signed Digit Coefficient Space using Genetic Algorithms,” Proc. of IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 456-459, Aug. 1998

35. F. Ashrafzadeh, B. Nowrouzian, “Crossover and Mutation in Genetic Algorithm Employing Canonical Signed Digit Numbers,” Proc. of the Midwest Symp. on Circuits and Systems, pp. 456-459, Aug. 1997