Şerban Mihalache

PhD Student, MSEE, Faculty of Electronics, Telecommunications and Information Technology,
University “Politehnica” of Bucharest

Email: serban.mihalache@upb.ro  ;  serban.mihalache@speed.pub.ro  ;  smihalache@gmail.com
Office: B030, Leu Campus – Blvd. Iuliu Maniu No. 1-3, Bucharest 061071, Romania
Tel: +4021 402 4688


Last update: July 2018


Research Interests

  • Audio Signal Analysis, Synthesis and Processing;
  • Spoken Language Technology (Automatic Speech/Speaker Recognition);
  • Speech-based Detection of Emotion and Psychological State;
  • Machine Learning;
  • Analog Circuit and System Design.

Degrees and Professional Experience

Degrees

  • Master of Science in Electronic Engineering (MSEE), in Microsystems (July 2017), University “Politehnica” of Bucharest, Romania, Faculty of Electronics, Telecommunications and Information Technology.
  • Bachelor of Science in Electronic Engineering (BSEE), in Microelectronics (July 2015), University “Politehnica” of Bucharest, Romania, Faculty of Electronics, Telecommunications and Information Technology.
  • Baccalaureate Degree (June 2011), “Sfântul Sava” National College (Saint Sava National College), Bucharest, Romania.

Professional experience

  • Teaching Assistant (October 2017 – present) at the Faculty of Electronics, Telecommunications and Information Technology, University “Politehnica” of Bucharest, Romania. Lab assistant for Digital Signal Processing, Advanced Digital Signal Processing, Microprocessor Architectures and Microcontrollers. Tutorial assistant for Analog Integrated Circuits.
  • Research Assistant (May 2017 – present) at the University “Politehnica” of Bucharest, Romania. Research on Speech Signal Analysis and Processing Techniques in Forensic Speech.
  • Analog Design Engineer (October 2015 – October 2017) at Microchip Technology Inc., Bucharest, Romania. Analog circuit and system design and simulation for High Voltage Power Management Integrated Circuits (DC-DC Buck Converters – Non-synchronous), within the Analog, Power and Interface Division (APID). Layout development and verification. Integrated circuit testing and validation.
  • Analog Design Intern (February 2013 – October 2015) at Microchip Technology Inc., Bucharest, Romania. Analog circuit and system design and simulation for Power Management Integrated Circuits (DC-DC Buck Converters – Non-synchronous), within the Analog, Power and Interface Division (APID). Layout development and verification. Integrated circuit testing and validation.

Academic Activity

Teaching

All my teaching activity takes place at the Faculty of Electronics, Telecommunications and Information Technology, University “Politehnica” of Bucharest.

Undergraduate curricula

  • Advanced Techniques in Digital Signal Processing, laboratory (2016 – present); supervisor: Prof. Dragoș Burileanu.
  • Digital Signal Processing, laboratory (2016 – present); supervisor: Prof. Dragoș Burileanu.
  • Microprocessor Architectures, laboratory (2017 – present); supervisor: Prof. Corneliu Burileanu.
  • Microcontrollers, laboratory (2017 – present); supervisor: Prof. Corneliu Burileanu.
  • Analog Integrated Circuits, laboratory (2016 – 2017) and tutorials (2016 – present); supervisors: Prof. Cosmin Popa and Prof. Claudius Dan.

Undergraduate student supervision

2017-2018

  • Cosmin-Valeriu Retegan, “Software for the automatic transcription of musical content from audio recordings”, Faculty of Electronics, Telecommunications and Information Technology, University “Politehnica” of Bucharest, Romania. Academic co-supervisor: Prof. Dragoș Burileanu.
  • Andrei Iulian Gîrd, “Real-time automatic identification and reconstruction techniques of musical content from audio signals”, Faculty of Electronics, Telecommunications and Information Technology, University “Politehnica” of Bucharest, Romania. Academic co-supervisor: Prof. Dragoș Burileanu. (WIP)

2016-2017

  • Andreea Maria Florea, “3D Scanner with Infrared Optical Sensing”, Faculty of Electronics, Telecommunications and Information Technology, University “Politehnica” of Bucharest, Romania. Primary academic supervisor: Prof. Dragoș Burileanu.
  • Claudia Andreea Nedelcu, “Digital processing techniques for automatic music track separation”, Faculty of Electronics, Telecommunications and Information Technology, University “Politehnica” of Bucharest, Romania. Primary academic supervisor: Prof. Dragoș Burileanu.

Scientific Activity

National research projects

  • 2017 – present: research assistant, in the SPIA-VA project (research and development project funded by the Romanian Government through UEFISCDI, project coordinator University Politehnica of Bucharest, Romania).

Prizes

2016

  • Third Prize, in the IEEE Region 8 Student Paper Contest, Limassol, Cyprus, paper: “Current-mode Capacitance Multiplier with Reduced Parasitic Elements“, co-author: Florin-Silviu Dumitru.

2015

  • Best Student Paper Award, at the IEEE Romania 25th Anniversary Colloquium, paper: “Current-mode Capacitance Multiplier with Reduced Parasitic Elements“, co-author: Florin-Silviu Dumitru.
  • Best Student Paper Award, at the 38th International Semiconductor Conference (CAS), Sinaia, Romania, paper: “Automated Cooling Control System through Peltier Effect and High Efficiency Control using a DC-DC Buck Converter“, co-authors: Irina Flamaropol, Florin-Silviu Dumitru, Lidia Dobrescu, Dragoș Dobrescu.
  • First Prize, in the “Tudor Tănăsescu” National Electronics Competition, Bucharest, Romania, Analog Integrated Circuits section.

2014

  • First Prize, in the National stage of the Robochallenge National Robotics Competition, Bucharest, Romania, Academic section, project: COX (Line Follower Robot), team members: Florin-Silviu Dumitru, Ioana Antoche, Andrei Poenaru.

Affiliation to scientific community

  • Member of SpeeD Laboratory, 2015 – present;
  • Member of several Institute of Electrical and Electronic Engineers (IEEE) Societies: Signal Processing Society (SPS), Systems, Man and Cybernetics Society (SMCS), Circuits and Systems Society (CASS), Solid-State Circuits Society (SSCS), Electron Devices Society (EDS), YP (Young Professionals), Jan 2013 – present.

List of publications

Journal papers

2017

  • Serban Mihalache, Florin-Silviu Dumitru, Adriana Florescu, Sever Viorel Pasca, “Dithering Options for Integrated Relaxation Oscillators,” in Revue Roumaine des Sciences Techniques – Serie Electrotechnique et Energetique (RRST), Bucharest, Romania, 2017, Vol. 62, 1, pp. 61-67, ISSN 0035-4066 (IF: 0.524).

Conference papers

2016

  • Serban Mihalache, Florin-Silviu Dumitru, “Current-Mode Capacitance Multiplier with Reduced Parasitic Elements,” in the Proceedings of the 18th Mediterranean Electrotechnical Conference (MELECON), Limassol, Cyprus, 2016, pp. 1-6, ISBN 978-1-5090-0058-6.

2015

  • Florin-Silviu Dumitru, Serban Mihalache, Gheorghe Brezeanu, “A CMOS Resistorless Bandgap Reference with Minimized Current Consumption,” in the Proceedings of the 38th International Semiconductor Conference (CAS), Sinaia, Romania, 2015, pp. 289-292, ISBN 978-1-4799-8862-4.
  • Serban Mihalache, Irina Flamaropol, Florin-Silviu Dumitru, Lidia Dobrescu, Dragos Dobrescu, “Automated Cooling Control System through Peltier Effect and High Efficiency Control using a DC-DC Buck Converter,” in the Proceedings of the 38th International Semiconductor Conference (CAS), Sinaia, Romania, 2015, pp. 281-284, ISBN 978-1-4799-8862-4.

PhD thesis (WIP)

Serban Mihalache, “Speech Signal Analysis and Processing Techniques in Forensic Speech”, PhD Thesis, University “Politehnica” of Bucharest, July 2020 (expected date) (academic supervisors: Prof. Corneliu Burileanu, Prof. Dragoș Burileanu, Prof. Horia Cucu, Prof. Ruxandra Țapu).

MSEE thesis

Serban Mihalache, “Tunnel Diode Based Bi-tangent Oscillator”, MSEE Thesis, University “Politehnica” of Bucharest, July 2017 (academic supervisors: Prof. Gheorghe Brezeanu, Marius Budăeș).

BSEE thesis

Serban Mihalache, “Current-mode Capacitance Multiplier with Reduced Parasitic Elements”, BSEE Thesis, University “Politehnica” of Bucharest, July 2015 (academic supervisors: Prof. Gheorghe Brezeanu, Marius Budăeș).