Anantaram Varatharajan

Anantaram Varatharajan
  • Biography

    Anantaram's research focuses on the control of electrical machines and drives, with broader goals on efficiency and reliability. His Ph.D. work dealt with developing position sensorless control techniques for synchronous motors and self-commissioning methods for machine identification. He is a recipient of Best Ph.D. Thesis Award from IEEE Industrial Electronics Society, Italy Chapter, and Best Student Paper Award from IEEE Workshop on Electrical Machine Design, Control and Diagnosis, 2021.

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  • MERL Publications

    •  Liu, D., Varatharajan, A., Goldsmith, A., Kong, C., Sigatapu, L., Wang, Y., "Broken-bar Fault Detection by Injecting a Frequency Modulated Continuous Wave Signal", IEEE International Electric Machines and Drives Conference (IEMDC), May 2023.
      BibTeX TR2023-039 PDF
      • @inproceedings{Liu2023may,
      • author = {Liu, Dehong and Varatharajan, Anantaram and Goldsmith, Abraham and Kong, Chuizheng and Sigatapu, Laxman and Wang, Yebin},
      • title = {Broken-bar Fault Detection by Injecting a Frequency Modulated Continuous Wave Signal},
      • booktitle = {IEEE International Electric Machines and Drives Conference (IEMDC)},
      • year = 2023,
      • month = may,
      • url = {https://www.merl.com/publications/TR2023-039}
      • }
    •  Anantaram, V., Goldsmith, A., Wang, Y., "Flying Start of Sensorless Synchronous Machines with Reactive Power Injection", IEEE International Electric Machines and Drives Conference (IEMDC), May 2023.
      BibTeX TR2023-037 PDF
      • @inproceedings{Anantaram2023may,
      • author = {Anantaram, Varatharajan and Goldsmith, Abraham and Wang, Yebin},
      • title = {Flying Start of Sensorless Synchronous Machines with Reactive Power Injection},
      • booktitle = {IEEE International Electric Machines and Drives Conference (IEMDC)},
      • year = 2023,
      • month = may,
      • url = {https://www.merl.com/publications/TR2023-037}
      • }
    •  Anantaram, V., Wang, Y., "Sensorless Control of Synchronous Machines with DC-Link Voltage Immunity and Adaptation", IEEE Power Electronics, Drives and Energy Systems, DOI: 10.1109/​PEDES56012.2022.10080212, December 2022.
      BibTeX TR2022-165 PDF
      • @inproceedings{Anantaram2022dec,
      • author = {Anantaram, Varatharajan and Wang, Yebin},
      • title = {Sensorless Control of Synchronous Machines with DC-Link Voltage Immunity and Adaptation},
      • booktitle = {IEEE Power Electronics, Drives and Energy Systems},
      • year = 2022,
      • month = dec,
      • doi = {10.1109/PEDES56012.2022.10080212},
      • url = {https://www.merl.com/publications/TR2022-165}
      • }
  • Other Publications

    •  Anantaram Varatharajan, Gianmario Pellegrino and Eric Armando, "Direct Flux Vector Control of Synchronous Motor Drives: Accurate Decoupled Control With Online Adaptive Maximum Torque Per Ampere and Maximum Torque Per Volts Evaluation", IEEE Transactions on Industrial Electronics, Vol. 69, No. 2, pp. 1235-1243, 2022.
      BibTeX
      • @Article{9363639,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario and Armando, Eric},
      • title = {Direct Flux Vector Control of Synchronous Motor Drives: Accurate Decoupled Control With Online Adaptive Maximum Torque Per Ampere and Maximum Torque Per Volts Evaluation},
      • journal = {IEEE Transactions on Industrial Electronics},
      • year = 2022,
      • volume = 69,
      • number = 2,
      • pages = {1235--1243}
      • }
    •  Anantaram Varatharajan, Gianmario Pellegrino, Guilherme Bueno Mariani, Nicolas Voyer and Akira Satake, "LUT-Less Sensorless Control of Synchronous Reluctance Machines Using the Locus of Incremental Saliency Ratio Tracking (LIST)", IEEE Transactions on Industrial Electronics, Vol. 69, No. 7, pp. 6530-6539, 2022.
      BibTeX
      • @Article{9507334,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario and Mariani, Guilherme Bueno and Voyer, Nicolas and Satake, Akira},
      • title = {LUT-Less Sensorless Control of Synchronous Reluctance Machines Using the Locus of Incremental Saliency Ratio Tracking (LIST)},
      • journal = {IEEE Transactions on Industrial Electronics},
      • year = 2022,
      • volume = 69,
      • number = 7,
      • pages = {6530--6539}
      • }
    •  Anantaram Varatharajan, Gianmario Pellegrino and Eric Armando, "Signal-Injection Sensorless Control of Synchronous Reluctance Machines for Overload Operation", IEEE Transactions on Power Electronics, Vol. 37, No. 5, pp. 5874-5883, 2022.
      BibTeX
      • @Article{9626601,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario and Armando, Eric},
      • title = {Signal-Injection Sensorless Control of Synchronous Reluctance Machines for Overload Operation},
      • journal = {IEEE Transactions on Power Electronics},
      • year = 2022,
      • volume = 37,
      • number = 5,
      • pages = {5874--5883}
      • }
    •  Anantaram Varatharajan, Gianmario Pellegrino and Eric Armando, "Kinetic-Rotor Self-Commissioning of Synchronous Machines for Magnetic Model Identification with Online Adaptation", IEEE Transactions on Industry Applications, pp. 1-1, 2022.
      BibTeX
      • @Article{9712411,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario and Armando, Eric},
      • title = {Kinetic-Rotor Self-Commissioning of Synchronous Machines for Magnetic Model Identification with Online Adaptation},
      • journal = {IEEE Transactions on Industry Applications},
      • year = 2022,
      • pages = {1--1}
      • }
    •  Anantaram Varatharajan, Gianmario Pellegrino and Eric Armando, "Sensorless Synchronous Reluctance Motor Drives: Auxiliary Flux-Based Position Observer", IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 9, No. 4, pp. 4330-4339, 2021.
      BibTeX
      • @Article{9178310,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario and Armando, Eric},
      • title = {Sensorless Synchronous Reluctance Motor Drives: Auxiliary Flux-Based Position Observer},
      • journal = {IEEE Journal of Emerging and Selected Topics in Power Electronics},
      • year = 2021,
      • volume = 9,
      • number = 4,
      • pages = {4330--4339}
      • }
    •  Anantaram Varatharajan, Gianmario Pellegrino, Eric Armando and Marko Hinkkanen, "Sensorless Control of Synchronous Motor Drives: Accurate Torque Estimation and Control Under Parameter Errors", IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 9, No. 5, pp. 5367-5376, 2021.
      BibTeX
      • @Article{9257471,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario and Armando, Eric and Hinkkanen, Marko},
      • title = {Sensorless Control of Synchronous Motor Drives: Accurate Torque Estimation and Control Under Parameter Errors},
      • journal = {IEEE Journal of Emerging and Selected Topics in Power Electronics},
      • year = 2021,
      • volume = 9,
      • number = 5,
      • pages = {5367--5376}
      • }
    •  Anantaram Varatharajan, Gianmario Pellegrino, Eric Armando and Marko Hinkkanen, "Sensorless Synchronous Motor Drives: A Review of Flux Observer-Based Position Estimation Schemes Using the Projection Vector Framework", IEEE Transactions on Power Electronics, Vol. 36, No. 7, pp. 8171-8180, 2021.
      BibTeX
      • @Article{9312430,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario and Armando, Eric and Hinkkanen, Marko},
      • title = {Sensorless Synchronous Motor Drives: A Review of Flux Observer-Based Position Estimation Schemes Using the Projection Vector Framework},
      • journal = {IEEE Transactions on Power Electronics},
      • year = 2021,
      • volume = 36,
      • number = 7,
      • pages = {8171--8180}
      • }
    •  Anantaram Varatharajan, Gianmario Pellegrino and Eric Armando, "Direct Flux Vector Control of Synchronous Motor Drives: A Small-Signal Model for Optimal Reference Generation", IEEE Transactions on Power Electronics, Vol. 36, No. 9, pp. 10526-10535, 2021.
      BibTeX
      • @Article{9382895,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario and Armando, Eric},
      • title = {Direct Flux Vector Control of Synchronous Motor Drives: A Small-Signal Model for Optimal Reference Generation},
      • journal = {IEEE Transactions on Power Electronics},
      • year = 2021,
      • volume = 36,
      • number = 9,
      • pages = {10526--10535}
      • }
    •  Anantaram Varatharajan and Gianmario Pellegrino, "Sensorless Synchronous Reluctance Motor Drives: A General Adaptive Projection Vector Approach for Position Estimation", IEEE Transactions on Industry Applications, Vol. 56, No. 2, pp. 1495-1504, 2020.
      BibTeX
      • @Article{8941242,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario},
      • title = {Sensorless Synchronous Reluctance Motor Drives: A General Adaptive Projection Vector Approach for Position Estimation},
      • journal = {IEEE Transactions on Industry Applications},
      • year = 2020,
      • volume = 56,
      • number = 2,
      • pages = {1495--1504}
      • }
    •  Anantaram Varatharajan, Paolo Pescetto and Gianmario Pellegrino, "Sensorless Synchronous Reluctance Motor Drives: A Full-Speed Scheme Using Finite-Control-Set MPC in a Projection Vector Framework", IEEE Transactions on Industry Applications, Vol. 56, No. 4, pp. 3809-3818, 2020.
      BibTeX
      • @Article{9079671,
      • author = {Varatharajan, Anantaram and Pescetto, Paolo and Pellegrino, Gianmario},
      • title = {Sensorless Synchronous Reluctance Motor Drives: A Full-Speed Scheme Using Finite-Control-Set MPC in a Projection Vector Framework},
      • journal = {IEEE Transactions on Industry Applications},
      • year = 2020,
      • volume = 56,
      • number = 4,
      • pages = {3809--3818}
      • }
    •  Anantaram Varatharajan and Gianmario Pellegrino, "Sensorless Synchronous Reluctance Motor Drives: A Projection Vector Approach for Stator Resistance Immunity and Parameter Adaptation", IEEE Transactions on Industry Applications, Vol. 56, No. 5, pp. 5003-5012, 2020.
      BibTeX
      • @Article{9141387,
      • author = {Varatharajan, Anantaram and Pellegrino, Gianmario},
      • title = {Sensorless Synchronous Reluctance Motor Drives: A Projection Vector Approach for Stator Resistance Immunity and Parameter Adaptation},
      • journal = {IEEE Transactions on Industry Applications},
      • year = 2020,
      • volume = 56,
      • number = 5,
      • pages = {5003--5012}
      • }