Operation Deflection Shape-Level I - Presencial

OVERALL OBJECTIVE:

This course is designed for those who have advanced mastery in Vibrational Analysis technologies, increase their knowledge of the dynamics of machines and structures through the presentation of practical historical cases executed by Vibro Technology, a step-by-step demonstration will be made of the procedure to execute the ODS in a module of a structure using a 32-channel vibration analyzer, M`Escope, National Instruments and RTA softwares.

DIRECTED TO:

Engineers, Maintenance Supervisors, Structural Design Engineers, Operations Supervisors, Mechanical Technicians specialized in Vibrational Analysis, with minimum experience of 5 years.

AT THE END OF THE COURSE, THE PARTICIPANT WILL BE IN THE CONDITIONS OF:

Know and apply; the function of Transfer, Cross Power Spectrum, Coherence, Dynamic Modeling, Mathematical Modeling to determine the Natural Frequencies, Sources of Vibration, Amplifications and Damping.

REQUIREMENTS:

To have taken the Advanced Course of Analysis of Vibrations of CAT III Machines and to have handled vibration analyzers of 2 channels to more.

DURATION AND SCHEDULES:

Course: From June 17 to 19, (Three days) 8 hours per day

Note:

For your participation in the course you will be given a certificate by Vibro Technology.

Break and lunch during the six days of the course.

  • Chapter I: Vibrational Theory and Basic Mathematics

    1.1 Basic vibrational theory
                         1.1.1 Introduction
                         1.1.2 Total response of the vibratory system
                         1.1.3 Complex vibration
                         1.1.4 Data processing
                               1.1.4.1 Selection of the type of measure
                               1.1.4.2 Number of data samples
                               1.1.4.3 Windows
                               1.1.4.4 Bandwidth
                               1.1.4.5 Resolution
                   1.2 Basic Mathematics
                       1.2.1 Review of complex numbers
                       1.2.2 Review of Fast Fourier Transform

  • 2.1 Nomenclature of advanced signal analysis
                    2.1.1 Linear relationships in the time domain and frequency domain
                    2.1.2 Quadratic relationships in the frequency domain
                 2.2 Definitions of advanced signal analysis
                    2.2.1 Spectrum
                    2.2.2 Auto power spectrum
                    2.2.3 Cross Power spectrum
                    2.2.4 Transfer function
                    2.2.5 Consistency function
     
                2.3 Simplified operating scheme of a device for vibrational analysis with dual channels
                2.4 Field of application of the advanced functions
                  2.4.1 Cross power spectrum
                  2.4.2 Transfer function
                  2.4.3 Coherence Function

  • 3.1 What is the Operation Deflection Shape?
              3.2 Domain of the ODS analysis
              3.3 Data acquisition methods for an ODS analysis
              3.4 Considerations for an ODS analysis
              3.5 Measures required to show an ODS
                 3.5.1 Measures required for a steady state
                 3.5.2 Measures required for a non-stationary state

  • 4.1 Instruments and equipment to be used
              4.2 Procedure to perform an ODS
              4.3 Applications and examples of problems solved
          through ODS