The BRADLEY DEPARTMENT of ELECTRICAL and COMPUTER ENGINEERING

Dong S. Ha | ECE | Virginia Tech

ECE PROFILE

Dong S. Ha

Picture of Dong S. Ha

Office:
470 Whittemore

Mailing Address:
1185 Perry Street
453 Whittemore (0111)
Virginia Tech
Blacksburg, VA 24061

(540) 231-4942
(540) 231-3362
ha@vt.edu


Education:

Ph.D., Electrical and Computer Engineering, Univserity of Iowa, 1986
M.S., Electrical and Computer Engineering, University of Iowa, 1984
B.S., Electrical Engineering, Seoul National University, Korea, 1974

Teaching Interests:

Analog ICs, RF ICs, Power Management Circuits for Energy Harvesting, Analog Electronics

Research Interests:

Analog / RF Circuits and Systems, Smart Wireless Sensor Nodes, Battery Management Systems

  • Wireless Sensor Nodes with Machine Learning for Smart Farms
  • Energy Harvesting Circuits (RF, Vibration, Solar, Thermal, and Power Lines)
  • Intelligent Battery Management Circuits for Electric Cars (Cell Balancing, SOH)
  • Smart High Temperature Circuits

Grants and Projects:
  • “Energy Centric Wireless Sensor Node System for Smart Farms,” NSF
  • “Self-Perpetual Internet-of-Things with Energy Harvesting and Edge Intelligence," NSF
  • “Energy-Harvested Security for the Internet of Things,” NSF
  • “Wireless Monitoring and Assess System to Improve Productivity and Animal Welfare in Swine”, USDA-NIFA
  • “Development of a Wireless Sensor Node for Battery Monitoring and an Energy Harvesting System," Ford Motors
Selected Publications:
  • Title: Efficient neural networks for edge devices
    Author(s): S. Liu, D.S. Ha, F. Shen, and Y. Yi
    Journal: Elsevier, Computers & Electrical Eng., 2021
  • Title: Powering Next-generation Industry 4.0 by a Self-learning and Low-power Neuromorphic System
    Author(s): H. An, D.S. Ha, and Y. Yi
    Conference: ACM International Conference on Nanoscale Computing and Communication, September 2020
  • Title: A Wide Input Power Line Energy Harvesting Circuit for Wireless Sensor Nodes
    Author(s): J. Wang and D.S. Ha
    Conference: International Symposium on Circuits and Systems (ISCAS), May 2021
  • Title: An Efficient 2.4 GHz Differential Rectenna for Radio Frequency Energy Harvesting
    Author(s): R. Reed, F. Lohrabi Pour, and D.S. Ha
    Conference: IEEE International Midwest Symposium on Circuits and Systems (MWSCAS) 2020
  • Title: A Self-Powered Piezoelectric Energy Harvesting Circuit with an Optimal Flipping Time SSHI and Maximum Power Point Tracking
    Author(s): L. Wu and D.S. Ha
    Journal: IEEE Transactions on Circuits and Systems II: Express Briefs, October, 2019
  • Title: A High Temperature Model for GaN-HEMT Transistors and Its Application to Resistive Mixer Design
    Author(s): J. M. Salem, F. Lohrabi Pour, and D.S. Ha
    Journal: IEEE Transactions on Circuits and Systems I: Regular Papers, February, 2021