Transducers
| Áreas Científicas |
| Classificação |
Área Científica |
| CNAEF |
Electronics and automation |
Ocorrência: 2021/2022 - 1S
Ciclos de Estudo/Cursos
Docência - Responsabilidades
Língua de trabalho
Portuguese
Objetivos
Upon successful completion of the Transducers course, students should understand the function of a transducer as a constituent element of an instrument for measuring physical quantities, namely position and deformation.
Resultados de aprendizagem e competências
- Describe the operation of a measurement chain.
- Describe and calculate static characteristics of transducers.
- Describe the fundamental principles of the operation of position and strain transducers.
- Adapt measuring circuits suitable for the operation of transducers.
- Specify transducers for designing measurement systems.
Modo de trabalho
Presencial
Programa
- Introduction to industrial processes; automatic control system.
- Instrument of measurement – Generic constitution. Electrical measurement chain.
- Static characteristics of transducers; errors in measurement systems and instruments; absolute errors, relative errors, systematic errors and random errors; sources of errors; notions of uncertainty, dispersion, accuracy, accuracy class; calibration.
- Measurement circuits: basic concepts about electrical circuits, voltage divider circuit and Wheatstone bridge. Basic concepts of electromagnetism applied in Instrumentation.
- Position and deformation transducers. Linear and angular potentiometer. strain gauge;
- Linear Variation Transformer (LVDT), Linear Variation Capacitor (LVDC).
Bibliografia Obrigatória
Vitória Ferreira; Transdutores, ESTSetúbal, 2019
Bibliografia Complementar
Gustavo da Silva; Instrumentação Industrial, ESTSetúbal,, ESTSetúbal, 2004. ISBN: 972-8431-22-8
Métodos de ensino e atividades de aprendizagem
Theoretical-Practical Classes consisting of:
- Exposition of the subject and critical reflection through debate with students.
- Case studies and application exercises.
Laboratory classes consisting of:
- Carrying out experimental work;
- Use of transducer devices studied in the course.
Tipo de avaliação
Distributed evaluation with final exam
Componentes de Avaliação
| Designation |
Peso (%) |
| Participação presencial |
15,00 |
| Teste |
70,00 |
| Trabalho laboratorial |
15,00 |
| Total: |
100,00 |
Componentes de Ocupação
| Designation |
Tempo (Horas) |
| Estudo autónomo |
30,00 |
| Frequência das aulas |
30,00 |
| Trabalho laboratorial |
16,00 |
| Total: |
76,00 |
Obtenção de frequência
- Two assessment tests or final exam (60%).
- Laboratory work with report delivery (15%).
- Participation in a classroom context (15%).
Fórmula de cálculo da classificação final
Final grade:
35%Test1+35%Test2+15%Laboratory+15% Attendance Participation.