Car Electronic Systems é»å ¶æ³®Slide 2
Outlines Developing Trends of Automotive Electronic Systems Emerging In-Vehicle NetworksSlide 3
Developing Trends of Automotive Electronic SystemsSlide 4
Automotive Electronic Systems TodaySlide 5
Expanding Automotive Electronic SystemsSlide 6
Expanding Automotive Electronic Systems The adult subsystems of car electronic frameworks Powertrain/Body controlâEMS, ABS, â¦ Themes of current stage X-by-wire ï¾ a continuous upheaval in vehicle gadgets building design Themes of next stage Infotainment= Entertainment + Communication + InformationSlide 7
Expanding Automotive Electronic Systems Analysts assess that more than 80 percent of all car advancement now originates from hardware To implanted the electronic frameworks and silicon componentsâsuch as transistors, microchips, and diodesâinto engine vehicles is the creating pattern of car electronic frameworksSlide 8
System Structure of ECUSlide 9
System Structure of ECU ExampleSlide 10
Developing Trends of Automotive Electronic Systems System necessities Standardization of practical interfaces Share and reuse the current parts Comprehensive wellbeing A high level of solace Low vitality utilization, and Minimal toxin outflowSlide 11
Developing Trends of Automotive Electronic Systems Issues of framework improvement Integrate and reuse the product and equipment centers from numerous sellers Innovative usefulness acknowledged through association of in the past self-sufficient units (reconfigurable appropriated frameworks/mechatronics) Scalability to diverse vehicle and stage variationsSlide 12
Developing Trends of Automotive Electronic Systems Design Toolkits Digital Transmission Capability Transferability of capacities all through system Maintainability all through the entire âProduct Life CycleâSlide 13
alluding to: G. Leen and D. Heffernan,âExpanding Automotive Electronic SystemsâSlide 14
Developing Trends of Automotive Electronic Systems Conventional ECU Sensors Transmission Path SE Susceptible to Interference (simple) ECU (advanced) Signal Conditioning (Analog) A/D first Integration Level ECU Sensors Transmission Path SE Resistant to Interference (simple) ECU (computerized) Signal Conditioning (Analog) A/D Multiple Tap-offSlide 15
Developing Trends of Automotive Electronic Systems second Integration Level ECU Sensors Transmission Path SE Immune to Interference (advanced) Bus Compatible Signal Conditioning (Analog) A/D ECU (advanced) third Integration Level ECU Sensors Transmission Path SE Immune to Interference (advanced) Bus Compatible Signal Conditioning (Analog) A/D m C ECU (advanced)Slide 16
Developing Trends of Automotive Electronic Systems MechatronicsSlide 17
Developing Trends of Automotive Electronic Systems Issues of equipment improvement Exhibit safety from radio outflows Reducing the equipment cost and size With high figuring force Transient blames well be endured Embedded system A mixed bag of sensor/actuator interface abilitiesSlide 19
Developing Trends of Automotive Electronic Systems Issues of programming advancement Real-time working framework Software segment worldview Software overhauls and updates over vehicle lifetime Minimizing the expense and execution time of programming segments Uniform information design and consistent programming segment interfaceSlide 20
Developing Trends of Automotive Electronic Systems Rise of significance of programming in the Car Refer to:B. Hardung, T. Kolzow, and A. Kruger, âReuse of Software in Distributed Embedded Automotive SystemsâSlide 21
Developing Trends of Automotive Electronic Systems Example of programming centers (segments)Slide 22
Developing Trends of Automotive Electronic Systems Standardized frameworks (Open frameworks) Management of car electronic frameworks many-sided quality connected with development in useful degree Flexibility for item change, redesign and overhaul Scalability of arrangements inside and crosswise over product offerings Improved quality and dependability of car electronic frameworksSlide 23
Developing Trends of Automotive Electronic Systems OSEK/VDX OSEK/VDX is a joint task of the car business (1993) It goes for an industry standard for an open-finished building design for dispersed control units in vehiclesSlide 24
Developing Trends of Automotive Electronic Systems The term OSEK implies âOffene Systeme und deren Schnittstellen fã¼r kick the bucket Elektronik im Kraftfahrzeugâ (Open frameworks and the comparing interfaces for car gadgets). The term VDX implies âVehicle Distributed eXecutiveâSlide 25
Developing Trends of Automotive Electronic Systems The OSEK/VDX indicates Real-time working framework Software interfaces and capacities for correspondence, and Software for system administrationSlide 26
Developing Trends of Automotive Electronic Systems Application Communication API Network API OSEK/COM Standard API OSEK/VDX Network Management Interaction Layer Network Layer OSEK/COM Standard Protocol OSEK/COM Device Driver Interface Data Link Layer Bus I/O Driver Bus Frame Bus Communication HardwareSlide 27
Developing Trends of Automotive Electronic Systems Automotive Open System Architecture (AUTOSAR): Standardization of diverse APIs to partitioned the AUTOSAR programming layers Encapsulation of practical programming segments Definition of the information sorts of the product segmentsSlide 28
Developing Trends of Automotive Electronic Systems Identification of essential programming modules of the product base and institutionalize their interfacesSlide 29
Developing Trends of Automotive Electronic SystemsSlide 30
Developing Trends of Automotive Electronic SystemsSlide 31
Developing Trends of Automotive Electronic Systems One ECU caseSlide 32
Developing Trends of Automotive Electronic Systems Two ECUs illustrationSlide 33
Emerging In-Vehicle NetworksSlide 34
Introduction In-vehicle systems Connect the vehicle\'s electronic supplies Facilitate the sharing of data and assets among the dispersed applications These control and interchanges systems depend on serial conventions, supplanting wire outfits with in-vehicle systems Change the point-to-point wiring of brought together ECUs to the in-vehicle systems administration of disseminated ECUsSlide 35
Introduction Aims of In-Vehicle Network Open Standard Ease to Use Cost Reduction Improved QualitySlide 36
Introduction Benefits of In-Vehicle Network More solid autos More usefulness at lower value Standardization of interfaces and segments Faster presentation of new innovations Functional ExtendibilitySlide 37
Introduction Decreasing wiring tackle weight and multifaceted nature Electronic Control Units are contracting and are straightforwardly connected to actuators and sensorsSlide 38
Introduction cutting edge automobileâs systemsSlide 39
Roadmap of in-vehicle systems optics transportSlide 40
Roadmap of in-vehicle systems source: www.lin-subbus.orgSlide 41
Protocol ComparisonSlide 42
Protocol Comparison Class A (<20 kbit/s) : LIN, CAN Class B (50-500 kbit/s) : CAN, J1850 MMedia (> 20 Mbit/s) : MOST, Firewire Wireless : GSM, Bluetooth Safety : Byteflight, TTP/C, FlexraySlide 43
Overview of In-Vehicle Networks D2B (Domestic Data Bus ) Matsushita and Philips mutually created Has advanced subsequent to 1992 D2B was intended for sound feature correspondences, PC peripherals, and car media applications The Mercedes-Benz S-class vehicle utilizes the D2B optical transport to arrange the auto radio, autopilot and CD frameworks The Tele-Aid association, phone, and Linguatronic voice-acknowledgment applicationSlide 44
Overview of In-Vehicle Networks Media-Oriented Systems Transport (MOST) It was started in 1997 Supports both time-activated and occasion activated movement with unsurprising edge transmission at velocities of 25Mbps Using plastic optic fiber as correspondence mediumSlide 45
Overview of In-Vehicle Networks The interconnection of telematics and infotainment, for example, feature shows, GPS route frameworks, dynamic speaker and computerized radio More than 50 firmsâincluding Audi, BMW, Daimler-Chrysler, Becker Automotive, and Oasis Silicon Systemsâdeveloped the convention under the MOST CooperativeSlide 46
Overview of In-Vehicle Networks Time-activated convention (TTP) It was discharged in 1998 It is an unadulterated time-activated TDMA convention Frames are sent at rates of 5-25Mbps relying upon the physical medium Designed for continuous circulated frameworks that are hard and shortcoming tolerant It is going ahead to achieve paces of 1Gbps utilizing an Ethernet based star construction modelingSlide 47
Overview of In-Vehicle Networks FlexRay is an issue tolerant convention intended for high-information rate, propelled control applications, for example, X-by-wire frameworks (rapid wellbeing discriminating car frameworks) Provides both time-activated and occasion activated message transmission Messages are sent at 10MbpsSlide 48
Overview of In-Vehicle Networks Both electrical and optical arrangements are received for the physical layer The ECUs are interconnected utilizing either a latent transport topology or a dynamic star topology FlexRay supplements CAN and LIN being suitable for both powertrain frameworks and XBW frameworksSlide 49
Overview of In-Vehicle Networks Byteflight Developed from 1996 by BMW An adaptable time-division different access (TDMA) convention utilizing a star topology for security related applications Messages are sent in casings at 10Mbps backing for occasion activated message transmissionSlide 50
Overview of In-Vehicle Networks Guarantees deterministic (consistent) latencies for a limited number of high need o
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