echiparea si modernizarea vagoanelor de calatori in ... - IPA SA
echiparea si modernizarea vagoanelor de calatori in ... - IPA SA
echiparea si modernizarea vagoanelor de calatori in ... - IPA SA
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PROGRAMUL CEEX<br />
CONTRBUTII STIINTIFICE IN TRANSPORTURI<br />
<strong>de</strong> pozitia comutatorului <strong>de</strong> panou (5 pozitii difer<strong>in</strong>d cu cate un grad specificate -2, -1, 0, +1, +2°C fata<br />
<strong>de</strong> temperatura <strong>de</strong> refer<strong>in</strong>ta medie).<br />
Programul rezi<strong>de</strong>nt <strong>in</strong> calculatorul central a<strong>si</strong>gura urmatoarele functii: masurarea temperaturii aerului<br />
extern, a aerului tratat, a aerului recirculat <strong>si</strong> a ten<strong>si</strong>unii bateriei, comunicarea cu modulele <strong>de</strong> reglare locale<br />
(platforme) pentru achizitia valorilor <strong>de</strong> temperatura locala <strong>si</strong> validarea reglarii la nivel <strong>de</strong> platforma, alegerea<br />
regimului <strong>de</strong> functionare <strong>in</strong> concordanta cu normele UIC legate <strong>de</strong> temperatura <strong>si</strong> ventilatie, comanda<br />
elementelor <strong>de</strong> forta corespunzator cu regimul ales, memorarea <strong>de</strong> evenimente <strong>si</strong> stocarea lor <strong>in</strong>tr-o memorie<br />
nevolatila <strong>si</strong> semnalizarea locala a regimurilor <strong>de</strong> lucru <strong>si</strong> avariilor.<br />
Programul rezi<strong>de</strong>nt <strong>in</strong> unitatea <strong>de</strong> afisare <strong>de</strong> diagnoza a<strong>si</strong>gura: <strong>in</strong>dicarea regimului current <strong>de</strong><br />
lucru <strong>si</strong> a pr<strong>in</strong>cipalelor temperaturi, afisarea avertizarilor <strong>si</strong> erorilor curente, monitorizarea starii<br />
unitatilor <strong>de</strong> platforme <strong>si</strong> a temperaturilor locale, prezentarea pr<strong>in</strong>cipalelor actionari <strong>si</strong> prezentarea<br />
ultimelor 254 evenimente.<br />
Figura 2. Echipamentul <strong>de</strong> comanda <strong>si</strong> diagnoza <strong>in</strong>stalatiilor <strong>de</strong> climatizarea <strong>vagoanelor</strong><br />
Echipamentul <strong>de</strong> comanda <strong>si</strong> diagnoza a fost proiectat modular cu o comunicatie pe o magistrala <strong>de</strong><br />
date flexibila (RS485) care permite atasarea unui numar mare <strong>de</strong> unitati <strong>si</strong> o buna imunitate la zgomotul<br />
<strong>in</strong>dustrial. Traficul pachetelor <strong>de</strong> date se <strong>de</strong>sfasoara dupa un algoritm cu diviziunea timpului <strong>in</strong>tre mai multe<br />
unitati subordonate unui MASTER <strong>de</strong> <strong>si</strong>stem care marcheaza orig<strong>in</strong>ea <strong>si</strong> numerotarea sloturilor <strong>de</strong> timp pr<strong>in</strong>trun<br />
pachet difuzat ca BEACON (far). Algoritmii <strong>de</strong> reglare sunt <strong>de</strong> tip proportional-<strong>in</strong>tegral (PI) satisfacand<br />
cer<strong>in</strong>tele unor <strong>si</strong>steme relativ lente, astfel <strong>in</strong>cat eroarea stationara sa fie m<strong>in</strong>ima, <strong>in</strong> conditia <strong>in</strong> care rezolutia <strong>de</strong><br />
masurare a temperaturii este <strong>de</strong> 0,5ºC.<br />
BIBLIOGRAFIE<br />
ECH<strong>IPA</strong>MENT DE COMANDA, CONTROLUL SI DIAGNOZA CLIMATIZARII AERULUI<br />
LA VAGOANELE DE PA<strong>SA</strong>GERI - <strong>in</strong>g.Va<strong>si</strong>le RADULESCU, <strong>in</strong>g. Flor<strong>in</strong> BOZAS,<br />
<strong>in</strong>g.Beniam<strong>in</strong> ENACHE, <strong>in</strong>g. Adrian DASCALU, Confer<strong>in</strong>ta „<strong>echiparea</strong> <strong>si</strong> <strong>mo<strong>de</strong>rnizarea</strong><br />
<strong>vagoanelor</strong> <strong>de</strong> cale ferata <strong>in</strong> conformitate cu normele europene”, Poiana Brasov, 5-7 oct. 2007;<br />
SURSE STATICE PENTRU ALIMENTAREA SERVICIILOR AUXILIARE DE PE<br />
VAGOANELE DE CALATORI - Ing. Va<strong>si</strong>le RADULESCU, Conf.Dr.Ing. Ioan<br />
STRAINESCU, Ing. Leonard MOROIANU, Ing. Viorica SERBU, Ing. Sergiu GHEORGHE,<br />
Ing. Flor<strong>in</strong> BOZAS, Ing. Flor<strong>in</strong> HUZLAU, Ing. Emil TUDOR, Ing. Adrian DASCALU, Ing.<br />
Doru BRESLASU, Ing. Gheorghe MITROI, Ing. Beniam<strong>in</strong> ENACHE, Ing. Bogdan<br />
RADULESCU, Ing. Valent<strong>in</strong> LUPU, Confer<strong>in</strong>ta „<strong>echiparea</strong> <strong>si</strong> <strong>mo<strong>de</strong>rnizarea</strong> <strong>vagoanelor</strong> <strong>de</strong> cale<br />
ferata <strong>in</strong> conformitate cu normele europene”, Poiana Brasov, 5-7 oct. 2007<br />
8<br />
UCP AMTRANS - NOIEMBRIE 2007