Patricia Davies
Professor, School of Mechanical Engineering,
Courtesy Appointment: Professor, Psychological Sciences

Contact Information:
Ray W. Herrick Labs
Purdue University
Room 2004, HLAB Building
177 S. Russell St.
West Lafayette
IN 47907-2099
Phone: +1 765-494-9274
Picture of Patricia Davies

Picture of New Herrick Building
Herrick Labs. Students, Faculty and Industrial Advisory Committee (IAC) outside the newly opened HLAB Building in Fall 2014.
Purdue Group and Laboratory Affiliations:
  • Ray W. Herrick Laboratories (Director: 2005-2019)
  • Systems, Measurements and Controls
  • Dynamics and Vibrations
  • Acoustics and Noise Control
  • Human-Machine Interaction
  • Task Force on Euqity, Anti-Racism & Inclusion
  • Women Faculty in Engineering Committee
Research Interests: 
  • Signal processing and data analysis
  • System identification 
  • Modeling of viscoelastic materials
  • Nonlinear modes in structures
  • Seat-occupant dynamics
  • Condition monitoring/Fault Detection
  • Sound perception and sound quality
  • Perception-based engineering
  • Impact of Noise (e.g., Health Effects, Annoyance, Sleep Disturbance, etc.)
Research Sponsors (Current and Past):

Ford Motor Company, Cummins, Carrier, Midea, John Deere, Caterpillar.


Standards Activities:
  • ANSI/ASA Working Group 51 ANSI/ASA S3.4
  • ISO Loudness Standards 532 - Parts I,II and III.
  • ECMA TC26 - Acoustics
Links to Web Sites:
Links to Societies of Interest:

Selected Society Activities, Honors and Awards:
Degrees: Classes:
Short Courses:
  • Digital Signal Processing
  • Sound Quality
Conference Organization:
  • Sound Quality Symposiums: SQS98 (Ypsilanti), SQS02 (Dearborn), Produce Sound Quality 2002 (Ypsilanti), SQS 2008 (Dearborn)
  • Noise-Con 1988 (Purdue), 2005 (Minneapolis), 2013 (Denver), 2020 (New Orleans), 2022 (Lexington), 2024 (New Orleans)
  • Inter-Noise 2009, Inter-Noise 2021 (Washington, DC), [Young Professionals Activities, Inter-Noise Congresses 2018-2023]
  • Acoustical Society of America Meeting, Indianapolis, Fall 2014
Upcoming Conferences of Interest:
26th International Compressor, 20th Refrigeration
& 7th High Performance Buildings

July 15-18, 2024.
Purdue University,
West Lafayette, IN, USA.

NoiseCon 2023
A Joint Conference with SAE and TRB
May 15-18, 2023.
Grand Rapids, Michigan, USA.

Internoise 2023
August 20-23, 2023.
Chiba, Japan.

183rd Meeting of the Acoustical Society of America: 5-9 December, 2022, Nashville, Tennessee, USA.

International Congress on Acoustics, ICA 2022
24-28 October, 2022.
Gyeongju, Korea.