peer-reviewed publications

S. Frank, B. Ball, D. L. Gerber, K. Cu, A. Othee, J. Shackelford, O. Ghatpande, R. Brown, and Cale, J., “Advances in the co-simulation of detailed electrical and whole-building energy performance,” Energies, vol. 16, no. 17, 2023.

C. Lima and Cale, J., “Control design for position synchronization in central converter multi-machine actuators,” in Proc. of the International Conference on Electrical, Computer, Communications and Mechatronics Engineering (ICECCME 2023), Tenerife, Spain, July 19–21, 2023.

A. Othee, Cale, J., A. Santos, S. Frank, D. Zimmerle, O. Ghatpande, G. Duggan, and D. Gerber, “A modeling toolkit for comparing AC versus DC electrical distribution efficiency in buildings,” Energies 2023, 16(7), Mar., 2023.

C. Lima, Z. Miller, A. Riley, Cale, J., and et al., “A novel electromechanical actuation testbed for emulation of aerospace actuation systems,” in Proc. of the 33rd Aerospace Testing Seminar, El Segundo, CA (USA), May 15, 2023.

C. Lima and Cale, J., “Rotor position synchronization control in central-converter multi-motor topologies,” in IEEE Power and Energy Systems General Meeting, 2022, Denver, CO (USA), July 17–21 (abstract and poster session).

R. Pirani and J. Cale, “Comparison of pattern recognition approaches for identification of failure-prone battery cells,” in Proceedings of the 2022 International Systems Engineering Conference (SysCON), 2022, Montreal, Canada, 2022, pp. 1–8.

C. Lima, J. Cale, and K. Shahroudi, “Rotor position synchronization in central-converter multi-motor electric actuation systems,” Energies 2021, 7485(14), Nov. 2021.

C. Lute, J. Cale, Ross, G., D. Moorman, and M. Dorflinger, “Evaluating power and environ- mental performance in mobile microgrid generator systems,” International Journal of Electrical Power and Energy Systems, vol. 121, Oct. 2021.

J. Cale, C. Lute, G. Ross, and A. Othee, “Characterization procedure for unsymmetrical split-phase capacitor-start induction machines,” IEEE Open Access Journal on Power and Energy, vol. 8, Oct. 2020.

J. Cale, C. Lute, J. Simon, and A. Delcore, “Modeling minimally-processed transformers for shielded metal arc welders for rural minigrid applications,” IEEE Power and Energy Technology Systems Journal, vol. 6, no. 2, pp. 95–103, Jun. 2019.

A. Santos, J. Cale, A. Othee, D. Gerber, S. Frank, D. Zimmerle, and G. Duggan, “Comparison of load models for estimating electrical efficiency in DC microgrids,” in Proceedings of the 3rd IEEE International Conference on DC Microgrids, 2019, Matsue, Japan, 2019.

C. Lute, T. Decker, J. Cale, and A. Delcore, “A method for evaluating unregulated solar irrigation pumping systems: Results and observations,” in 2019 IEEE Global Humanitarian Technology Conference (GHTC), 2019, Seattle, WA, 2019.

R. Pirani and J. Cale, “A pattern recognition approach for enhancing lifecycle maintainability of battery systems,” in 2019 International Symposium on Systems Engineering (ISSE), 2019, Edinburgh, Scotland, 2019, pp. 1–8.

J. Cale, E. Dall’Anese, B. Johnson, P. Young, G. Duggan, P. Bedge, D. Zimmerle, and L. Holton, “Mitigating communication delays in remotely connected hardware in the loop experiments,” IEEE Transactions on Industrial Electronics, vol. 65, no. 12, pp. 9739–9748, 2018.

M. Brim and J. Cale, “Remote and dynamic assessment of reliability in electromechanical actuator systems,” in Proceedings of the 12th IEEE International Systems Conference, 2018, Vancouver, Canada, 2018, pp. 1–8.

J. Cale, “Converging on emergence: reconnoitering to optimally adapt to changes in system environment,” in Proceedings of the 4th IEEE International Symposium on Systems Engineering, 2018, Rome, Italy, 2018, pp. 1–7.

B. Johnson, S. Dhople, J. Cale, et. al., “Oscillator Based Inverter Controls for Islanded Three-Phase Microgrids,” Photovoltaics, IEEE Journal of,, 2014, vol. 4, no. 1, pg(s): 387‒395.

J. Cale, B. Palmintier, D. Narang, et. al., “Clustering Distribution Feeders in the Arizona Public Service Territory,” Photovoltaic Specialist Conference (PVSC), 2014 IEEE 40th, pg(s): 2076‒2081.

P. Gotseff, J. Cale, M. Baggu, et. al., “Accurate Power Prediction of Spatially Distributed PV Systems using Localized Irradiance Measurements,” Power and Energy Systems (PEC) Conference, 2014 IEEE, pg(s): 1‒5.

J. Cale and D. Narang, “High-Penetration PV Deployment in the Arizona Public Service System, Phase 2 Results and Update on Phase 3,” Photovoltaic Specialist Conference (PVSC), 2013 IEEE 39th, June 2013, pg(s): 1711-1714.

M. Ropp, J. Cale, M. Mills-Price, et. al., “A Test Protocol to Enable Comparative Evaluation of Maximum Power Point Trackers,” Photovoltaic Specialist Conference (PVSC), 2011 IEEE 37th, June 2011, pg(s): 3734‒3737.

J. Cale, S. Sudhoff, and R. Chan, “Ferrimagnetic Inductor Design Using Population-Based Design Algorithms,” Magnetics, IEEE Transactions on, vol. 45, no. 2, Part 1, Feb 2009, pg(s): 726–734.

J. Cale, S. Sudhoff, and R. Chan, “A Field-Extrema Hysteresis Model for Ferrimagnetic Materials,” Magnetics, IEEE Transactions on, vol. 44, no. 7, Part 1, July 2008, pg(s): 1728–1736.

J. Cale and S. Sudhoff, “EI core inductor designs using population-based design algorithms,” in IEEE Applied Power Electronics Conference, 2007, Anaheim, CA (USA), March 2007, pp. 1062–1069.

B.N. Cassimer, R. Chan, J. Cale, et. al., “Evolutionary Design of Electromagnetic and Electromechanical Devices,” IEEE Electric Ship Technologies Symposium, 2007, pg(s): 150–157.

J. Cale and S. Sudhoff, “EI Core Inductor Designs using Population-Based Design Algorithms,” Applied Power Electronics Conference and Exposition, 2007. APEC 2007. Twenty Second Annual IEEE, pg(s): 1062–1069.

J. Cale, S. Sudhoff, and J. Turner, “An Improved Magnetic Characterization Method for Highly Permeable Materials,” Magnetics, IEEE Transactions on, vol. 42, no. 8, Aug. 2006, pg(s): 1974–1981.

J. Cale, S. Sudhoff, and Li-Quan Tan, “Accurately Modeling EI Core Inductors using a High-Fidelity Magnetic Equivalent Circuit Approach,” Magnetics, IEEE Transactions on, vol. 42, no. 1, Jan 06, pg(s): 40–46.

S. Sudhoff, J. Cale, B. Cassimere, et. al., “Genetic Algorithm Based Design of a Permanent Magnet Synchronous Machine,” Electric Machines and Drives, 2005 IEEE International Conference on, May 05, pg(s): 1011–1019.

J. Williams, J. Cale, N. Benavides, et. al., “Versatile Hardware and Software Tools for Educating Students in Power Electronics,” Education, IEEE Transactions on, vol. 47, no. 4, 2004, pg(s): 436‒445.


M. Polley, D. Micic, K. Shahroudi, J. Kopecek, and J. Cale, Jam detection and jam tolerant motion control. Issued: U.S. Patent 2023/0061 579, Mar. 31, 2023.

J. Cale, E. Dall’Anese, B. Johnson, P. Young, D. Zimmerle, J. Duggan, P. Bedge, and L. Holton, An Advanced Methodology for Compensating for Communications Delay in Remote Power Hardware in the Loop Testing. U.S. patent application filed February, 2017.

S. Sudhoff and J. Cale. 2014. Methods and Apparatus for Characterizing Magnetic Properties of Materials.  Issued U.S. Patent 8633686 B1, Jan. 21, 2014.


J. Cale. Simulation of an M/M/1 Queue Using Monte Carlo (2016). Supplemental course notes. ENGR 530: Overview of Systems Engineering Processes. Colorado State University, 2016.