化学传感器 : 仿真与建模. 第3卷, 固态设备

PREFACE

ABOUT THE EDITOR

CONTRIBUTORS

6 MODELING AND SIGNAL PROCESSING STRATEGIES FOR MICROACOUSTIC

CHEMICAL SENSORS

1 Sensing Principles of Microacoustic Chemical Sensors

1.1 Introduction

1.2 Microacoustic Chemical Sensors

2 Simulation and Modeling of Acoustic Wave Propagation, Excitation, and Detection

2.1 Analytical Solution to the Undisturbed Wave Propagation Problem

2.2 Analytical Solution to the Wave Excitation and Detection Problem

2.3 Finite-Element Method

2.4 Equivalent-Circuit Models

3 Sensor Steady-State Response

3.1 Perturbation Approaches

3.2 Temperature Effects

4 Sensor Dynamics

4.1 Linear Model

4.2 State-Space Description

5 Sensor Signal Processing

5.1 Suppression of Temperature Effects

5.2 Signal Processing Based on Linear Analytical Model

5.3 Wiener Deconvolution

5.4 Kalman Filter

5.5 Discussion of State-Space-Based Signal Processing

6 Summary

7 Nomenclature

References

7 HIERARCHICAL SIMULATION OF CARBON NANOTUBE ARRAY-BASED CHEMICAL SENSORS WITH ACOUSTIC PICKUP

1 Introduction

2 Simulation Levels of Nanodesign

3 Prototype of Hierarchical Simulation System for Nanodesign

4 Continual Simulation of SAW Propagation in a Layered Medium

5 Structure of Carbon Nanotubes and Adsoption Properties of CNT Arrays

5.1 Atomic Structure of Single- and Multiwalled Nanotubes

5.2 Quantum Mechanical Study of the Adsorption of Simple Gases on Carbon Nanotubes

5.3 Molecular Mechanics of Physical Adsorption of the Individual Molecules on the CNT

6 Simulation of a Carbon Nanotube Array-Based Chemical Sensor with an Acoustic Pickup

6.1 Molecular Dynamics Calculation of the Elastic Moduli of Individual Carbon Nanotubes

6.2 Molecular Dynamics Study of Distribution of Adsorbed Molecules in CNT Array Pores and Calculation of Acoustic Parameters of CNT Arrays

6.3 SAW Phase Velocity Change Due to Molecular Adsorption on CNT Arravs in SAW-Based Chemical Sensors

7 Conclusion

References

8 MICROCANTILEVER-BASED CHEMICAL SENSORS

9 MODELING OF MICROMACHINED THERMOELECTRIC GAS SENSORS

10 MODELING SIMULATION, AND INFORMATION PROCESSING FOR DEVELOPMENT OF A POLYMERIC ELECTRONIC NOSE SYSTEM

This is the third of a new five-volume comprehensive reference work that provides computer simulation and modeling techniques in various fields of chemical sensing and the important applications for chemical sensing such as bulk and surface diffusion, adsorption, surface reactions, sintering, conductivity, mass transport, and interphase interactions.