Micromanufacturing Engineering and Technology

Chapter 22 Testing and Diagnosis for Micro-Manufacturing Systems

Pietro Larizza

Introduction

Testing and diagnosis are terms often associated with the same topic, nevertheless their true sense is commonly related to a different meaning. A main difference is that testing does not deal with fault repairing but focuses only on fault detection, while diagnosis consists of determining the nature of a detected fault, of locating it and hopefully repairing it. There is another difference between the two topics: this is related to the work conditions and functional states which permit the execution of testing or diagnostic procedures. Testing is often considered as an offline procedure conducted by proper, prefixed excitation signals using suitable ...