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Title:VGRAJENI SISTEMI DSP/FPGA V SISTEMIH VODENJA
Authors:ID Čurkovič, Milan (Author)
ID Jezernik, Karel (Mentor) More about this mentor... New window
Files:.pdf MAG_Curkovic_Milan_2011.pdf (6,73 MB)
MD5: 71C87989734241D284D2117BE5B3015C
PID: 20.500.12556/dkum/734dd929-4ad6-4cb3-9f27-020f261c4595
 
Language:Slovenian
Work type:Master's thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Naloga predstavlja delo na sistemu digitalnega regulatorja, zgrajenega na digitalnem signalnem procesorju TMS320C32. Digitalni signalni procesor omogoča hitro računanje tudi v formatu s plavajočo vejico, kar je posebej primerno pri razvoju novih algoritmov in pri delu s študenti. Signalnemu procesorju je dodano še programabilno logično vezje -FPGA s 40 tisoč logičnimi vrati za izvedbo tudi nekonvencionalnih perifernih vmesnikov (meritev položaja in hitrosti z inkrementalnim dajalnikom, različni trifazni pulzno širinski modulatorji, različne komunikacije (RS232, RS485, CAN) in sočasne meritve napetosti in faznih tokov). DSP-2 kartica je opremljena s terminalskim programom za prenose uporabniških programov in spremljanje izvajanja programa v tekstovni in gra.čni obliki, kot tudi sprotni prenos uporabniških podatkov na osebni računalnik za kasnejšo obdelavo. Osnovni kartici je bil dodan še vmesnik za vodenje do štiriosnega robotskega mehanizma in vmesnik za dodatno FPGA kartico Nexys ali Nexys2. Ta nam pri kapaciteti FPGA vezja do 1,2 milijona logičnih vrat omogoča tudi izvedbo algoritmov vodenja v samem FPGA vezju in ne samo perifernih vmesnikov. V okviru Inštituta je bila razvita tudi programska oprema za avtomatsko generiranje aplikacij iz MATLAB/Simulink okolja. Kartica se v vseh predstavljenih oblikah v veliki meri uporablja na našem inštitutu in tudi nekaterih drugih pri pedagoškem in raziskovalnem delu. Eden izmed zadnjih projektov je tudi laboratorij za oddaljeno izvajanje preizkusov na različnih DSP-2 sistemih, ki je dostopen preko spletnih strani Inštituta za Robotiko.
Keywords:DSP-digitalni signalni procesor, FPGA, mikrokrmilnik, inkrementalni dajalnik, meritev hitrosti, trifazni mostič, pulzno širinska modulacija, vektorska regulacija, vgrajeni sistemi
Place of publishing:Maribor
Publisher:[M. Čurkovič]
Year of publishing:2010
PID:20.500.12556/DKUM-16497 New window
UDC:004.383.3:681.51(043)
COBISS.SI-ID:14725910 New window
NUK URN:URN:SI:UM:DK:LDFCCIVG
Publication date in DKUM:06.01.2011
Views:3485
Downloads:386
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:DSP/FPGA Embedded Systems in Control Processes
Abstract:A DSP-2 board, based on digital signal processor TMS320C32, has been introduced. The digital signal processor allows fast computations even on floating point operands. This is very convenient on development work and working with students. The DSP-2 has additional FPGA circuit with 40k logic gates for custom peripheral interface devices implementation (position and accurate speed measurement with incremental encoders, different three phase modulations, different communications RS232, RS485, CAN, and simultaneous sampling and measurement of bridge voltage and phase currents). The DSP-2 card is equipped with terminal program on personal computer for transferring user programs and data to DSP-2 board, supervision of execution in textual and graphical view. The supervision also includes optional on-line data transfer to personal computer, that transferred data can be further analyzed. Initially the DSP-2 was developed for controlling different types of AC motors. To use DSP-2 unit as robotic controller additional four axes robot interface was implemented. Nexys and Nexis2 units with up to 1.2 mega logic gates and interface to DSP-2 allow realization of peripherals and control algorithms in FPGA. On our institute the program for automatic code generation from MATLAB/Simulink graphical environment was developed. This feature enables that DSP-2 works as rapid prototyping unit. The DSP-2 cards in all forms are used for research and teaching purposes on our institute and others. One of the last projects of DSP-2 board was Remote lab for remote access to different DSP-2 experiments. The Remote lab is accessible from Institute of robotics web pages.
Keywords:DSP, FPGA, Micro controller, Incremental encoder, Speed measurement, Three phase bridge, Pulse width modulation, Vector control, Embedded systems


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