An integrated fault isolation and prognosis method for electric drive systems of battery electric vehicles J Zhang, M Salman, W Zanardelli, S Ballal, B Cao IEEE Transactions on Transportation Electrification 7 (1), 317-328, 2020 | 13 | 2020 |
Detection of offset errors in phase current measurement for motor control system P Pramod, S Ballal, JA Kleinau US Patent 9,966,890, 2018 | 12 | 2018 |
Motor control system for determining a reference d-axis current and a q-axis current A Gebregergis, R RajaVenkitasubramony, T Sebastian, S Ballal US Patent 9,461,574, 2016 | 8 | 2016 |
Generating motor control reference signal with control voltage budget JA Kleinau, S Ballal US Patent 10,389,289, 2019 | 6 | 2019 |
Detection of offset errors in phase current measurement for motor control system P Pramod, S Ballal, JA Kleinau US Patent 9,873,450, 2018 | 6 | 2018 |
Torque Ripple Cancellation Algorithm Involving Supply Voltage Limit Constraint S Ballal, P Pramod, JA Kleinau US Patent 10,135,368, 2018 | 4 | 2018 |
Method of current reference generation for a motor AG Gebregergis, R RajaVenkitasubramony, T Sebastian, S Ballal US Patent 9,369,078, 2016 | 4 | 2016 |
Integrated fault isolation and prognosis system for electric drive system J Zhang, S Ballal, L Hao, WG Zanardelli, B Cao, M Salman US Patent 11,133,771, 2021 | 3 | 2021 |
System and method for controlling an induction motor S Ballal, YOO Anno US Patent App. 16/160,147, 2020 | 2 | 2020 |
Phase current measurement diagnostic S Ballal, TA Klinesmith, DB Skellenger US Patent 9,802,642, 2017 | 2 | 2017 |
Modeling and analysis of switching non-linearities of an inverter FED PMSM drive for low torque ripple application A Gebregergis, M Islam, S Hossain, S Veigas, R Ramakrishnan, S Ballal, ... 2012 IEEE International Conference on Power Electronics, Drives and Energy …, 2012 | 2 | 2012 |
Minimizing the Negative Impacts of Deadtime Insertion and Minimum Pulse Width in a 2-Level VSI CW Secrest, S Ballal 2022 IEEE Energy Conversion Congress and Exposition (ECCE), 1-6, 2022 | 1 | 2022 |
Determination of demagnetized torque capability in real-time for electric motor in propulsion system DV Simili, S Ballal US Patent 10,608,567, 2020 | 1 | 2020 |
Flux and Torque Estimation in Direct Torque Controlled (DTC) Induction Motor Drive. S Ballal | 1 | 2010 |
Operating an electric drive system with low efficiency CW Secrest, S Ballal, V Namasivayam US Patent 11,932,116, 2024 | | 2024 |
Determining rotor position offset for electrical machines S Ballal, A Qaiser, BP Davis US Patent App. 17/874,610, 2024 | | 2024 |
An Online, Self-Contained, Method to Correct Current Sensor Gain Mismatch and Offset Errors in Three-Phase Drive Systems CW Secrest, S Ballal, HH Eldeeb, CM Emeghara 2023 IEEE Energy Conversion Congress and Exposition (ECCE), 4862-4867, 2023 | | 2023 |
Systems and methods for detecting stator winding faults and degradation J Zhang, S Ballal, L Hao, WG Zanardelli, B Cao US Patent 11,489,471, 2022 | | 2022 |
Compensation for multiple non-ideal position sensor harmonic components in a rotary system CW Secrest, S Ballal US Patent 11,277,089, 2022 | | 2022 |
Electric motor in propulsion system with auxiliary power generation S Ballal, YOO Anno US Patent 11,095,240, 2021 | | 2021 |