( english version )

DSP Lab for electric drives ( 5 CFU ) Tel. 0521 905831 - Fax. 0521 905822 E-mail. carlo.concari@unipr.it Home page. http://www.unipr.it/~cacof697

Finalità

This course aims at providing skills and theoretical foundations for the control of electric drives and actuators by means of Digital Signal Processors (DSPs).

Programma

Introduction to digital control of electric drives

Discretization, aliasing, folding, normalized frequency

Conversion from discrete time to continuos time, interpolation

FIR filters, convolution, difference equations

Frequency response of FIR filters, linear phase FIR filters

z-transform, properties, unit delay

Relationship between the z-transform and the frequency response

IIR filters

Block diagrams, Direct Form I, Direct Form II, Transposed

Poles and zeroes, stability

Time-domain analysis, correspondences between s and z domains

Digital filter and regulators synthesis

Inverse z-transform

Discrete Fourier transform (DFT) and FFT

DSP, Harvard architecture, MAC

Numerical representations, fixed point, floating point

Effects of quantization

Introduction to MATLAB

Filter types, filter synthesis using MATLAB

Lattice filters

Discretization, aliasing, folding, normalized frequency

Conversion from discrete time to continuos time, interpolation

FIR filters, convolution, difference equations

Frequency response of FIR filters, linear phase FIR filters

z-transform, properties, unit delay

Relationship between the z-transform and the frequency response

IIR filters

Block diagrams, Direct Form I, Direct Form II, Transposed

Poles and zeroes, stability

Time-domain analysis, correspondences between s and z domains

Digital filter and regulators synthesis

Inverse z-transform

Discrete Fourier transform (DFT) and FFT

DSP, Harvard architecture, MAC

Numerical representations, fixed point, floating point

Effects of quantization

Introduction to MATLAB

Filter types, filter synthesis using MATLAB

Lattice filters

Attività d'esercitazione

Design of implementation of digital filters using MATLAB and Freescale and Microchip DSPs.

Design of a digital control for electric drives.

Design of a digital control for electric drives.

Modalità d'esame

Report on laboratory project (2-4 people teams), verbal examination.

Propedeuticità

Signal theory, Electric drives

Testi consigliati

S.K. Mitra, "Digital Signal Processing - A Computer-Based Approach", 3rd Edition, McGraw-Hill, 2006, ISBN 0-07-124467-0

J.H. McClellan, R.W. Schafer, M.A. Yoder, "DSP First - A Multimedia Approach", Prentice Halll, 1998, ISBN 0-13-794363-6

G.F. Franklin, J.D. Powell, M. Workman, "Digital Control of Dynamic Systems", 3rd Edition, Addison Wesley, 1998, ISBN 0-201-82054-4

J.H. McClellan, R.W. Schafer, M.A. Yoder, "DSP First - A Multimedia Approach", Prentice Halll, 1998, ISBN 0-13-794363-6

G.F. Franklin, J.D. Powell, M. Workman, "Digital Control of Dynamic Systems", 3rd Edition, Addison Wesley, 1998, ISBN 0-201-82054-4