MAS-967 Sensor Technologies for Interactive Environments Description: This class will explore sensor technologies for smart environments and interactive applications; giving students a broad introduction to state-of-the-art techniques, exposure to current research, and practical experience that will assist in developing and fielding such systems in their own work. We will introduce the principles and operation of many sensor families and discuss applications in computer-human interfaces, new musical instruments, medicine, environmental sensing, ubiquitous computing, and other current areas of interest. Credit Hours: 0-12-0 Tuesdays, 9 AM - 12 noon in E15-054 Offered Spring Term, 2001 Space and facilities are limited - permission of instructor required. Email Joan Wood - [email protected] with your name, department, and interest in the class Instructor: Dr. Joseph Paradiso TA: Ari Benbasat Working Syllabus (assuming 12 lectures once per week) Lecture 1: Introduction and basic signal conditioning electronics for standard sensor systems Signal-to-noise and grounding issues, A/D conversion, simple digital filtering and detection Lecture 2: Pressure and force sensing History, carbon grains, Force-sensitive resistors and microresistive structures, Silicon pressure sensors, Load cells, Pressure through displacement (capacitive, sonar, inductive, optical), Resistive bendy sensors, Resistive strain gauges, Fiber optic strain gauges and pressure systems - Application discussion Lecture 3: Piezoelectrics and related materials Intro to ferroelectrics, crystals, PZT, PVDF, electronics and signal conditioning, Electrostrictors and electroactive polymers, - Application discussion Lecture 4: Electric Field Sensing and Inductive Techniques Capacitive sensing modes and techniques, Hall sensors, metal detectors, LVDT's, VR Trackers, Wireless tag sensors - Application discussion Lecture 5: Optical sensing Devices (LDR's, solar cells, photodiodes, APD's, phototubes...), imagers, Focal plane imaging/tracking, occultation, range by intensity of reflection, Laser ranging (triangulation, phase slip, TOF), defocus systems - Application discussion Lecture 6: Thermal and acoustic sensing Temperature sensors (thermistors, integrated temperature sensors, thermocouples, PIR, pyroelectric), acoustic pickups & techniques, sonar systems, beamformers - Application discussion Lecture 7: RF and Microwave Systems Radar principles, chirped rangefinders, UWB radars, RF location systems, Doppler systems - Application discussion Lecture 8: Inertial and orientation devices Orientation sensors (compasses, ball-cup, bubble levels), Gyroscopes, accelerometers, MEMs devices, IMU's, analysis techniques - Application discussion Lecture 9: Macroparticle, chemical, and environmental systems Smoke detectors, Optical scattering, Smell, chemical and gas sensors and techniques Environment sensing systems (chemical, air, wind, humidity), Remote techniques - Application discussion Lecture 10: Medical and radiation sensing Basic sensors for medical monitoring (heart rate, ECG, EKG, blood pressure, etc.) Radiation detection (Geiger counters, scintillators, drift & proportional chambers, silicon strip detectors, calorimetery) - Application discussion Lecture 11: Digital sensor modules Smart sensor concepts, wireless sensor units, essentials of sensor fusion - Application discussion Lecture 12: Project reviews (if projects) or special/breaking topics (if not) Reading Materials Prime Texts: Jacop Fraden - Handbook of Modern Sensors Thomas Petruzzellis - The Alarm, Sensor, and Security Circuit Cookbook Supplementary Texts: Larry Baxter - Capacitive Sensing HR Everett - Sensors for Mobile Robots Ramon Pallas-Areny - Sensors and Signal Conditioning Horowitz and Hill - The art of electronics Selected papers will be distributed before each class, pertinent to the topic discussed. Lecture notes will be developed as the class progresses and distributed as appropriate. Mechanics Credit will be assigned on the basis of periodic assignments and a final project or paper. I've considered a laboratory component for this course - certain lectures would benefit from this. At the least, there will be in-class demonstrations where pertinent. I may have the students do some lab work in the context of certain assignments, and there will certainly be practical experience garnered from the final project. The class will meet in a 3-hr-lecture, once per week. I cover the bulk of this material at a very high level and fast clip now in the Fab class MAS863 (in essentially one lecture!), this class would break it out and go much deeper. All lectures will include practical examples, most of which I'll try to draw from media-related applications such as input devices, interactive environments, wearable computing. I want to draw this emphasis more strongly as the course develops to distinguish it properly from a generic sensors survey course. The lectures are planned to divide roughly into halves - the first half covering basic technology and the second half going though application examples. This will, of course, vary from lecture to lecture... Ari Benbasat will be the main TA for the course. Other TA's and possibly guest lecturers will participate, as relevant.