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Study guide - Sensing, Computing, Actuating (5AIB0) 1 Introduction Almost any m

Study guide - Sensing, Computing, Actuating (5AIB0) 1 Introduction Almost any modern system contains sensors to observe the environment and actuators to inﬂuence this environment. An example of such a system is a modern car which is typically equipped with tempera- ture, pressure, speed, chemical sensors and various mechanical values and engines. This course provides an introduction to sensor and actuator technology. It discusses the basic principles behind the most commonly used types of sensors and actuators. It also deals with the physical principles which underlie the operation of these sensors and actuators. The course provides also a basic introduction into signal processing (FIR ﬁlters and their frequency response), control theory and interface electronics such that students can design a complete system which integrates the sensors and actuators introduced in this course. 2 Prior knowledge • 5AIA0 - Computation for Automotive (mandatory) • 2DE30 - Signals and Mathematics (mandatory) • 5XCA0 - Fundamentals of Electronics (recommended) 3 Learning objectives The course objective is to provide students with an introduction to all components needed in a modern control system. At the end of the course, the students should be able to ... • describe the basic components (sensor, signal conditioner, controller, actuator) in a control system; • describe the physical conversion phenomena underlying the operation of transducers (sensors, ac- tuators); • apply ﬁltering and DSP techniques on the signals from and to the transducers; • analyse the static and dynamic characteristics of transducers and the complete system; • analyse the static errors that limit the accuracy of transducers; • dimension the interface electronics used in a control system that contains sensors and actuators; • select control algorithms that meet the performance requirements of the system under design. 1 4 Course schedule 5 Laptop A laptop is required for all signal processing lectures. 6 Study material • “Sensors and Actuators: Engineering System Instrumentation, Second Edition” by Clarence W. de Silva, CRC Press, ISBN 9781466506817 (mandatory). • “Signal Processing First” by J.H. McClellan, R.W. Schafer, and M.A. Yoder, Pearson Education International, 2003 (mandatory). • All slides and exercises that are part of the course. This material is available as a download from the course website. (mandatory). Slides and exercises are named “<lecture number >-<some informative name>.pdf”. For example the slides from the lecture on May 4th are named “02-resistive-temperature.pdf” since this is the second course and it deals with temperature sensing using resistors. 2 The following material from “Sensors and Actuators: Engineering System Instrumentation, Second Edi- tion” needs to be studied in combination with the various lectures: Lecture Reading Topic 1. Introduction to course Ch 1 Control system architecture 1. Sensing displacement Ch 3.4 Sensor characteristics 1. Sensitivity Ch 5.3 Transfer function, sensitivity 1. Loading eﬀect Ch 5.3 Linearity, loading eﬀect, absolute/relative error 2. Sensing temperature Ch 2.1, 2.2, 5.11 Device model, self-heating, lead-wire error 2. Self-heating Ch 2.1, 2.2, 5.11 Trade-oﬀlinearity, self-heating, sensitivity 2. Bridges Ch 2.8 Wheatstone bridge 3. Sensing force Ch 5.8 Strain gages 3. Compensating errors Ch 5.8 Error sources (temperature, non-linearity, lead-wire) 5. Signal ampliﬁcation Ch 2.4 Diﬀerential and instrumentation ampliﬁer 5. Digitization Ch 2.7 Quantization, resolution, sampling frequency 5. AD converters Ch 2.7 AD circuits, sample and hold circuit 6. Non-linear sensors Ch 5.11 Thermistor 6. Linearizing devices Ch 2.9 Linearizing with hardware and software 8. Control strategies Ch 1.5 Control strategies 8. Micro-processors Ch 1.5 Implementing control on a micro-processor 9. Thermoelectric eﬀects Ch 5.11 Seebeck, Peltier, Thomson eﬀects 9. Thermoelectric sensors Ch 5.11 Relative sensors, thermocouple sensor circuits 12. Model-based design Ch 1.3 Matlab Simulink 13. Inductive sensors Ch 5.4 Magnetic reluctance, LVDT 13. Demodulation Ch 2.5, 2.6, 2.10 Diode bridges, phase sensitive demodulation 14. Stepper motors Ch 8.1, 8.2, 8.7 Device 14. Stepper motors Ch 8.8 Control of device 14. Digital transducers Ch 6 Hall eﬀect, optical encoders, resolution In case you still have a copy of the 1st edition, then you should read the following sections: Lecture Reading Topic 1. Introduction to course Ch 1 Control system architecture 1. Sensing displacement Ch 3.4 Sensor characteristics 1. Sensitivity Ch 4.2 Transfer function, sensitivity 1. Loading eﬀect Ch 4.2 Linearity, loading eﬀect, absolute/relative error 2. Sensing temperature Ch 2.1, 2.2, 4.14 Device model, self-heating, lead-wire error 2. Self-heating Ch 2.1, 2.2, 4.14 Trade-oﬀlinearity, self-heating, sensitivity 2. Bridges Ch 2.10 Wheatstone bridge 3. Sensing force Ch 4.8 Strain gages 3. Compensating errors Ch 4.8 Error sources (temperature, non-linearity, lead-wire) 5. Signal ampliﬁcation Ch 2.3 Diﬀerential and instrumentation ampliﬁer 5. Digitization Ch 2.6 Quantization, resolution, sampling frequency 5. AD converters Ch 2.6, 2.7 AD circuits, sample and hold circuit 6. Non-linear sensors Ch 4.14 Thermistor 6. Linearizing devices Ch 2.11 Linearizing with hardware and software 8. Control strategies Ch 1.3 Control strategies 8. Micro-processors Ch 1.3 Implementing control on a micro-processor 9. Thermoelectric eﬀects Ch 4.14 Seebeck, Peltier, Thomson eﬀects 9. Thermoelectric sensors Ch 4.14 Relative sensors, thermocouple sensor circuits 12. Model-based design Ch 1.3 Matlab Simulink 13. Inductive sensors Ch 4.3 Magnetic reluctance, LVDT 13. Demodulation Ch 2.4, 2.5, 2.12 Diode bridges, phase sensitive demodulation 14. Stepper motors Ch 6.1, 6.2, 6.6 Device 14. Stepper motors Ch 6.7 Control of device 14. Digital transducers Ch 5 Hall eﬀect, optical encoders, resolution 3 The following material from “Signal Processing First” needs to be studied in combination with the various lectures: Lecture Reading Topic Signal processing T.B.D. T.B.D. 7 Assessment • Intermediate exam 1. Counts for 15% of ﬁnal grade. This grade is based on the maximum scored for the written test scheduled on May 11th (see Section 4) and the homework assignment that belongs to the lecture on Model-based design (June 13th, submission deadline: June 20th). The written test covers all material taught in the lectures between May 2nd and May 9th. • Intermediate exam 2. Counts for 15% of ﬁnal grade. Homework assignment covering the material on Signal Processing. • Final test. Counts for 70% of ﬁnal grade. Scheduled 2 times/year (see https://mytimetable. tue.nl for schedule). Covers all material taught in the course. 8 More information More information on this course can be found on the course website http://www.es.ele.tue.nl/ education/SensingActuating 4 uploads/Litterature/ study-guide 61 .pdf