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Izdelava testne naprave za avtomobilsko okrasno luč
ID FRANK, DENIS (Avtor), ID Dobrišek, Simon (Mentor) Več o mentorju... Povezava se odpre v novem oknu

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Izvleček
V tem diplomskem delu je predstavljena izdelava in delovanje testne naprave za avtomobilsko okrasno luč. Naprava ima 5 funkcij: zatemnjevanje s pulzno-širinsko modulacijo, preverjanje komunikacije z gonilnikom svetlečih diod, testiranje animacije, testiranje zaščite pred pregrevanjem in programiranje nastavitev in naslova gonilniku svetlečih diod. Vse elektronske komponente so morale ustrezati standardom avtomobilske industrije AEC-Q100 in AEC-200. Glavni del naprave je mikrokrmilnik STM Discovery STM32F429I z vgrajenim zaslonom na dotik, preko katerega uporabnik upravlja s funkcijami. Ta komunicira z lučjo preko pretvornika UART - CAN TJA1051. Naprava ima 4-polni vtič in sicer za CAN high, CAN low, termistor in maso. Zapakirana je v robustno ohišje, ki je primerno za uporabo v industrijskem okolju. Program za napravo je bil narejen v programskem okolju CubeIDE. Pri programiranju je bil uporabljen princip realno-časnega operacijskega sistema (angl. Real-time operating system oz. RTOS) za boljšo urejenost in preglednost. Program deluje na principu avtomata stanj, kjer en zaslon grafike predstavlja eno stanje in hkrati eno opravilo realno-časnega operacijskega sistema. Rezultat dela je naprava, ki je zmožna vseh opisanih funkcij. Uporabniku omogoča intuitivno in preprosto uporabo. Merjenje temperature v okviru zaščite pred pregrevanjem ima zadostno natančnost. Uporablja se za testiranje prototipov avtomobilskih luči.

Jezik:Slovenski jezik
Ključne besede:avtomobilska industrija, STM Discovery, RTOS, TJA1051, avtomat stanj
Vrsta gradiva:Diplomsko delo/naloga
Organizacija:FE - Fakulteta za elektrotehniko
Leto izida:2023
PID:20.500.12556/RUL-144881 Povezava se odpre v novem oknu
COBISS.SI-ID:145809155 Povezava se odpre v novem oknu
Datum objave v RUL:20.03.2023
Število ogledov:578
Število prenosov:94
Metapodatki:XML DC-XML DC-RDF
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Sekundarni jezik

Jezik:Angleški jezik
Naslov:Production of a test device for an automotive decorative light
Izvleček:
This thesis addresses the process of making a testing device of an automotive decorative lamp. The device has 5 functions: dimming with pulse-width modulation, monitoring of a LED driver communication, animation testing, thermal derating test and flashing of settings and device address. All components of the device must comply with automotive standards. Main component of the device is microcontroller STM Discovery STM32F429I with integrated touchscreen, through which user controls the devices functions. The controller communicates with lamp through UART - CAN converter TJA1051. The device has 4-pin connector, a pin for CAN high, pin for CAN low, pin for thermistor and the last pin for ground. Test machine is packed in a robust, industrial grade case. Software was created in CubeIDE program, which is a product of the same manufacturer as the microcontroller and thus already includes plenty of resources for it. Program includes a concept of real time operating system (RTOS) for better structure and clarity of code. Software is written as a state machine, where one screen represents one state and at the same time one task of real time operating system. The result of this thesis is a device, which is capable of all the above-described functions. It is easy to use. Temperature measurement included in thermal derating test is precise enough. The machine is primarily used to test prototypes of car lamps.

Ključne besede:automotive industry, STM Discovery, RTOS, TJA1051, state machine

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