Understanding Ultrasonic Sensors Design

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Michele Schirru

4:18:59

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1 - Free Course Introduction

1 - Free Course Introduction.mp4

10:10

2 - Lecture 1 Fundamentals of ultrasonics

2 - Fundamental of ultrasonics.mp4

41:39

3 - Lecture 2 Ultrasonic sensors components

3 - Ultrasonic sensors components and how to select them.mp4

01:02:03

4 - Lecture 3 Ultrasonic sensors assembly

4 - Ultrasonic sensor assembly.mp4

59:34

5 - Lecture 4 Operating ultrasonic sensors and practical examples

5 - Operating ultrasonic sensors and practical examples.mp4

01:25:33

Description

A step-by-step guide to select components, assemble and deploy ultrasonic sensors - with examples

What You'll Learn?

Design of piezoelectric ultrasonic reflectance sensors (0.1 to 50 MHz)
Understand assembly of ultrasonic sensors components into a sensing device
Enhance decision making in ultrasonic sensors design for industrial applications
Understanding fundamentals in the design of ultrasonic sensor with emphasis on ultrasonic reflectance devices
Design of reflectance based sensors (e.g. for non-destructive testing and medical devices)
How to select components when designing ultrasonic sensors

Who is this for?

University students

University Students undergoing final projects inherent to ultrasonics

PhD students and researchers working on projects related to ultrasonics

Engineers and professionals willing to launch products on the market related to ultrasonics

What You Need to Know?

No previous experience required, however basic understanding of acoustics is beneficial.

More details

Description
This course provides detailed guidelines and procedures for the conceptualisation, development and deployment of ultrasonic sensors. The content of this course differs from any other as unique tips and tricks are provided by the experienced tutor (over 15 years of experience) for the selection of components and successful assembly of your ultrasonic sensor.
The case study of ultrasonic reflectance sensor is analysed in details, however the course content is applicable to the development of any sensor. The course does not require previous knowledge of ultrasonics and it is direct to Msc students, PhD students, researchers and engineers dealing with ultrasonic sensors related projects. While the course is designed for beginners, the steps and tips provided are going to be useful also to an experienced audience.
The course covers the following topics:
- Free introduction to the course and to the tutor expertise
- Lecture 1:Â fundamental of ultrasonics. The unique feature of this introduction to ultrasound is that the main parameters of ultrasound are exposed in relation to their importance in the design of ultrasonic sensors.
-Lecture 2: components of ultrasonic sensors. An ultrasonic probe is taken apart and its fundamental components are described and analysed in details. Particular emphasis is put in the description of piezoelectric transducers main properties and on how to select the ideal transducers for your application.
-Lecture 3: ultrasonic sensors assembly. Procedures and tips are provided for the successful assembly of the components outlined in Lecture 2. This lecture aims to provide a mindset and a step checklist to follow when conceptualising and assembling an ultrasonic transducer. While reflectance sensors are analysed here, similar steps are applicable for any kind of ultrasonic sensors.
-Lecture 4: ultrasonic sensor deployment and examples. This lecture provides a description of the ultrasonic measurement chain components, and guidelines for understanding if the sensor has been assembled correctly. Furthermore, an introduction to the post-processing of signals and data analysis is provided together with guidelines to measure reflection coefficient and apply the time of flight measurement methodology. Finally 3 practical examples are provided concerning ultrasonic reflectance measurement and the development from scratch of an ultrasonic sensor.
Who this course is for:
University students
University Students undergoing final projects inherent to ultrasonics
PhD students and researchers working on projects related to ultrasonics
Engineers and professionals willing to launch products on the market related to ultrasonics

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Physics

Michele Schirru

Instructor's Courses

Dr Michele Schirru (PhD) graduated as Mechanical Engineer at the University of Cagliari (Italy) and obtained his PhD at the University of Sheffield (UK). His specialisation is the development of custom ultrasonic sensors, mainly for industrial applications. He has over 15 years of experience in this field. In his academic and research career, he developed a new type of sensor for the measurement of oil properties in auto engines, and for this development he was awarded several national and international prices. He also hold several patents concerning the development of innovative ultrasonic devices. He also mentored several MSc and PhD students. All of them were successful in their studies and some of them also received prices and recognition for their achievements under his mentorship. He also worked in industry as consultant for important firms taking charge of several R&D projects spanning from aerospace to railway applications. He also developed a sensor that is now commercially available.

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