2022 Faculty Courses School of Engineering Department of Mechanical Engineering Graduate major in Mechanical Engineering
Advanced Sound and Vibration Measurement
- Academic unit or major
- Graduate major in Mechanical Engineering
- Instructor(s)
- Shigeki Matsumura
- Class Format
- Lecture (Livestream)
- Media-enhanced courses
- -
- Day of week/Period
(Classrooms) - 1-2 Thu
- Class
- -
- Course Code
- MEC.D431
- Number of credits
- 100
- Course offered
- 2022
- Offered quarter
- 1Q
- Syllabus updated
- Jul 10, 2025
- Language
- English
Syllabus
Course overview and goals
【Course description】
The course teaches Fourier analysis, self/mutual correlation and criteria as the basis of vibration/sound analysis and diagnosis, vibration measurement of a rotating machine, sound measurement.
【Aims】
Students learn the basis of vibration measurement and how to detect unusual vibration/sound and diagnose it.
Course description and aims
By the end of the course, students will be able to understand theoretical basis of Fourier transform and application for measurement and analysis.
Keywords
Fourier transform, Spectrum, Vibration of rotating body, Vibration diagnosis, Sound measurement
Competencies
- Specialist skills
- Intercultural skills
- Communication skills
- Critical thinking skills
- Practical and/or problem-solving skills
Class flow
Do the exercises each time and submit a homework by the next lecture.
Course schedule/Objectives
| Course schedule | Objectives | |
|---|---|---|
| Class 1 | Fourier seriese expansion with complex number | Understand Fourier seriese expansion with complex number. |
| Class 2 | Autocorrelation and cross-correlation | Understand theoretical basis of autocorrelation and cross-correlation |
| Class 3 | Fourier transform and power spectrum | Understand Fourier transform and power spectrum |
| Class 4 | Cross-spectrum and transfer function | Understand cross-spectrum and transfer function |
| Class 5 | Vibration diagnosis (kurtosis, crest factor, skewness) | Understand evaluation value for vibration diagnosis |
| Class 6 | Vibration of rotating body (order analysis, waterfall diagram, synchronous averaging) | Understand how to analyze vibration of rotating body |
| Class 7 | Basics of sound | Understand basics of sound |
Study advice (preparation and review)
To enhance effective learning, students are encouraged to spend approximately 100 minutes preparing for class and another 100 minutes reviewing class content afterwards (including assignments) for each class.
They should do so by referring to textbooks and other course material.
Textbook(s)
Not specified.
Reference books, course materials, etc.
Course materials are provided on OCW-i.
Evaluation methods and criteria
Report 40%, Exercise 60%
Related courses
- MEC.D201 ： Mechanical Vibrations
- MEC.D311 ： Vibration Analysis
- MEC.D432 ： Rotor Dynamics
Prerequisites
Not specified
Contact information (e-mail and phone) Notice : Please replace from ”[at]” to ”@”(half-width character).
Shigeki MATSUMURA: matsumura.s.aa[at]m.titech.ac.jp