CN103116329A - Vehicle-mounted information platform adopting virtual machine and dual system - Google Patents
Vehicle-mounted information platform adopting virtual machine and dual system Download PDFInfo
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- CN103116329A CN103116329A CN2013100030464A CN201310003046A CN103116329A CN 103116329 A CN103116329 A CN 103116329A CN 2013100030464 A CN2013100030464 A CN 2013100030464A CN 201310003046 A CN201310003046 A CN 201310003046A CN 103116329 A CN103116329 A CN 103116329A
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Abstract
The invention relates to the field of vehicle-mounted electronics, in particular to a vehicle-mounted information platform adopting a virtual machine and a dual system. The vehicle-mounted information platform adopting the virtual machine and the dual system comprise a virtual machine, a hardware platform, and a vehicle digitalized model component. The virtual machine adopts a micro kernel to control the real-time task operation system and the human-machine interaction operation system. The hardware platform comprises a main controlling module, a displaying controlling module, a power supply board and an external interface, and the displaying controlling module comprises a displayer, a touch screen and a keyboard plate. The vehicle-mounted information platform adopting the virtual machine and the dual system has the advantages that the vehicle-mounted information platform is based on the virtualized dual-system framework and a vehicle digitalized model component, and achieves intelligent vehicle-mounted controlling and multiple functions of human-machine interaction, and reduces hardware design complexity and production cost, achieves communication between systems by using micro kernel information processing center (IPC) communication, provides communication safety efficiency and reliability, and both provides effective security mechanism and achieves open-type flexible application by using a standardized interface.
Description
Technical field
The present invention relates to the vehicle electronics field, relate in particular to a kind of on-board information platform that adopts virtual machine and dual system.
Background technology
on-board information platform is used for the multi-functional auxiliary equipment of integrated vehicle and system, traditional on-board information platform has loaded GPS navigation, radio, blue-tooth device, DVD plays, the vehicle such as music player and back-up video, but the development along with science and technology, the hommization of user to product, robotization, intelligent requirements is more and more higher, the on-board information platform of forward requirement is integrated full graphics digital instrumentation, automobile navigation, vehicle mounted multimedia is audio-visual, whole vehicle state shows, security protection is auxiliary drives, radio communication, network office, the auxiliary driving of intelligent transportation and remote fault diagnosis etc., this shows, the intellectuality of on-board information platform is the emphasis of future development.
Although at present increasing on-board information platform progressively increases intelligent control function, the car body control module of vehicle is system independently substantially, and independently car body control module is fixing in integrated vehicle control tactics, and function is simple, upgrade maintenance is difficult.For realizing controlling function and human-computer interaction function, on-board information platform needs two to overlap independently equipment, needs design two to overlap independently mounting structure.The peripheral hardware communication is adopted in the equipment room communication, when increasing cost, also exists communication efficiency low, the shortcoming of poor reliability, and on the simple functions for the information of vehicles basic display, main engine plants need the very high vehicle mounted communication agreement of outwards open security requirements.
A kind of available technical scheme is: adopt based on the unify dual system framework of graphical interfaces operating system of real-time oss, uses two independently processor chips, in each chip, the independent operating system of use, carry out communication by the peripheral hardware communication bus between system.This scheme has just been done optimization to a certain degree from installing space and hardware body angle, owing to using independently hardware module, still there is the redundancy of interface, and between its system, the peripheral hardware communication is adopted in communication, still there is the shortcoming of the low and poor reliability of higher cost, communication efficiency, also do not solve the problem that main engine plants maintain secrecy.
Summary of the invention
The present invention overcomes above-mentioned weak point, purpose is to provide a kind of on-board information platform that adopts virtual machine and dual system, can make the single-chip hardware design realize vehicle intelligent control and man-machine interaction multi-functional by Intel Virtualization Technology, when perfect function is provided, satisfy again the requirement of higher reliability, security, real-time, dirigibility, the hardware handles Unit Design is simplified most, reduce substantially production cost and requirements of installation space, solved simultaneously problem and all kinds of expansion compatibling problems of later stage of main engine plants' security requirements.
The present invention achieves the above object by the following technical programs: a kind of on-board information platform that adopts virtual machine and dual system comprises: virtual machine, hardware platform, vehicle digitizing model component; Described virtual machine adopts micro-kernel, two subregions of controlling run real-time task operating system and man-machine interactive operation system; Described hardware platform comprises: main control module, aobvious control module, power panel, external interface, and aobvious control module comprises: display, touch-screen, keypad; Described virtual machine receives the internet message that hardware platform sends, and reaches the real-time vehicle information that vehicle digitizing model component is uploaded, and the executive process task realizes vehicle intelligent control and man-machine interaction multi-functional; Power panel is connected with main control module, main control module is connected with aobvious control module, external interface is connected with main control module, described power panel provides power supply for main control module work, main control module receives the information that sends by external interface, and be presented on display, touch-screen and keypad with signal feedback to main control module.
As preferably, described vehicle digitizing modular assembly comprises: digitizing assembly management unit, vehicle digitizing model unit, vehicle digitizing Component service end, vehicle digitizing assembly client; Described vehicle digitizing assembly client Based Intelligent Control application instruction is sent to digitizing assembly management unit by vehicle digitizing Component service end, vehicle digitizing model unit is connected with digitizing assembly management unit and encapsulation is mapped to a digital model to vehicle-state, and the real-time update vehicle-state also keeps synchronizeing of digital model and actual vehicle state.
As preferably, described hardware platform has wireless communication module, can communicate with the internet, obtains positional information.
As preferably, described digitizing assembly management unit is by the total line traffic control car body control module work of CAN.
Beneficial effect of the present invention is: on-board information platform of the present invention is based on virtual dual system framework and vehicle digitizing model component, can make the single-chip hardware design realize vehicle intelligent control and man-machine interaction multi-functional by Intel Virtualization Technology, reduce hardware design complexity and production cost; Use micro-kernel IPC communication to realize communication between system, system communication security effectiveness and reliability are provided; The interface of Application standard has encapsulated concrete vehicle bottom communication interface and agreement, and effective privacy mechanism both was provided, and reaches again the application of open dirigibility.
Description of drawings
Fig. 1 is the virtualization scheme schematic diagram of the embodiment of the present invention;
Fig. 2 is the theory diagram of embodiment of the present invention hardware platform;
Fig. 3 is the circuit module schematic diagram of embodiment of the present invention hardware platform;
Fig. 4 is embodiment of the present invention software system architecture schematic diagram and vehicle digitizing modular assembly submodule distribution plan;
Fig. 5 is the signal flow graph of embodiment of the present invention driving lamp.
Embodiment
The present invention is described further below in conjunction with specific embodiment, but protection scope of the present invention is not limited in this:
Embodiment 1: a kind of on-board information platform that adopts virtual machine and dual system, comprise: virtual machine, hardware platform, vehicle digitizing model component, described hardware platform comprises: main control module, aobvious control module, power panel, external interface, wireless communication module, and aobvious control module comprises: display, touch-screen, keypad; Described vehicle digitizing modular assembly comprises: digitizing assembly management unit, vehicle digitizing model unit, vehicle digitizing Component service end, vehicle digitizing assembly client.
The virtualization scheme of the embodiment of the present invention comprises Embedded Hardware Platform, Bootloader, micro-kernel, virtualized RTOS, virtualized man-machine interaction OS, vehicle digitizing model component as shown in Figure 1.Wherein micro-kernel is based on L4 driving model micro-kernel, provide necessary mechanism for moving the operation of RTOS and man-machine interaction OS dual system, as IPC communication, address space, process scheduling, RTOS uses and meets the development system of automotive electronics and the OSEK operating system of interface standard.
Fig. 2 is the principle framework figure of embodiment of the present invention Embedded Hardware Platform, power panel is connected with main control module, main control module is connected with external interface, aobvious control module, wireless communication module, wherein, power panel provides the DC voltage of 5V for main control module, realize the function such as overvoltage protection, short-circuit protection, ACC input control of car-mounted terminal; Display is connected with main control module by LVDS, and touch-screen passes through I
2C or SPI are connected with main control module, and keypad is designed to Android system standard button and the exclusive button of vehicular applications is connected with main control module; External interface is connected with car-mounted terminal, wherein the supply voltage power supply source plate conversion of power interface input 10-16V.
Fig. 3 is the concrete implementing circuit figure of Fig. 2, wherein:
Processor module: adopt assistant to attain the ATCN081JS of company integration module, this module is integrated in the auxiliary circuits such as CPU OMAP4460, power management TWL6032 and clock in a module.The high-efficiency power managing chip of the inner integrated charge module of power supply chip TWL6032, integrated 5 Switching Power Supplies, 11 LDO, similar with TWL6030, all configurations of TWL6032 also can be passed through I
2C controls.OMAP4460 carries 4 road UART interfaces, taken by the peripheral hardware of periphery, and 3 road RS232,1 road RS485 of technical protocol regulation can only realize by USB interface, and specific design is to utilize the FT4232H chip of FTDI company, complete USB to the data conversion of UART.FT4232H has the function that 1 road USB turns 4 road UART, and the UART that expands realizes RS232 and RS485 by different transceivers, can meet design requirement.
The WLAN/BT/GPS/FM module: the WG7500 module that assistant is attained company is that WLAN/BT/GPS/FM 4 closes 1 module, inner by the Ti WL1281 of company and relevant auxiliary circuit structure, support WLAN 802.11 b/g/n, Bluetooth 4.0+EDR, FM and GPS function, its Data Control interface SDIO, SPI, PCM etc. can with the OMAP4460 seamless link.
CVBS input: OMAP4460 is integrated CSI1/CCP2 and CPI video input interface, because driving, TI official clearly do not support the CPI interface, be to reduce the design risk, in conjunction with the existing resource that designs, take the switchable Redundancy Design scheme of CPI/CSI1 interface.Adopt the ADV7189 video decoding chip that the CVBS signal decoding is parallel YUV digital signal, be converted to CSI1 signal access OMAP4460 or YUV signal is directly accessed the CPI parallel interface by SN65LVDS315.
The aobvious control of LCD module: adopt the DS90CR287 of Ti that digital rgb is converted into LVDS, guarantee that data layout meets the liquid crystal input requirements; Aspect touch-control, ARM is directly by adopting I
2C interface carries out touch control to touch-screen.
3G module: mainly comprise two parts of 3G card and SIM card, adopt ripe in the industry solution, reserve onboard miniPCIe expansion interface and standard SIM interface.Adopt general miniPCIe form 3G card (as in emerging MF210, the EM770W of Huawei etc.), be beneficial to system extension.
The CAN bus: Microchip MCP2515 CAN bus controller, can communicate by letter with OMAP4460 by the SPI interface, support the CAN2.0A/B agreement, flank speed 1Mb/s.MCP2515 is by the outside CAN network of CTM8250 transceiver access of Zhou Ligong, and this transceiver possesses isolation features.
Vehicle digitizing model component forms submodule by 4 parts and forms: digitizing assembly management unit, vehicle digitizing model unit, vehicle digitizing Component service end, vehicle digitizing assembly client, Fig. 4 is embodiment of the present invention software system architecture schematic diagram and each submodule distribution schematic diagram of vehicle digitizing modular assembly, in figure, vehicle digitizing assembly client is installed on the Based Intelligent Control application end, is used for as the client of processing Based Intelligent Control application RPC vehicle control interface; Vehicle digitizing Component service end is used the service end of RPC vehicle control interface as Based Intelligent Control, be positioned at the RTE layer of vehicle digital model end place system, and is the problems such as digitizing assembly management cell processing is synchronous; Vehicle digitizing model unit encapsulates with all vehicle-states of reality a digital model that is mapped to, and by the maintenance of VDCMU real-time update and maintenance and actual vehicle state synchronized; Digitizing assembly management unit is positioned at RTOS, when accepting the In-vehicle networking data and keeping with the actual vehicle synchronous regime, encapsulates the control interface of each control assembly of vehicle and provides vehicle to control the security policy manager data.
the information interaction that the Based Intelligent Control of the present embodiment is used as shown in Figure 5, and be controlled to be the example explanation with car light: the user opens headlight by touch-screen or keypad input control, control signal passes to the vehicle digitizing Component service end of RTOS at the vehicle digitizing assembly client far call of Android operating system, vehicle digitizing Component service end passes to digitizing assembly management unit by the vehicle control interface with signal, and by the service of BSW layer, communicate by letter with BCMU by the CAN bus, steering order is passed to the car light control module, the car light control module is opened by the Control car light.
The present invention is Based Intelligent Control and the information interaction center of a Highgrade integration, it connects car load integral control system in car, active safety control system on the one hand, carry out unified access, the on-vehicle information network is combined together, pass through on the other hand fast wireless network, realize that the car net is interconnected, incorporate powerful intelligent transportation system and backstage cloud service, efficient intelligent human-machine interaction interface also is provided, car, people, net three are closely linked, provide one safely, pass unimpeded, intelligent, informationalized environment.
Above described be specific embodiments of the invention and the know-why used, if the change of doing according to conception of the present invention when its function that produces does not exceed spiritual that instructions and accompanying drawing contain yet, must belong to protection scope of the present invention.
Claims (4)
1. an on-board information platform that adopts virtual machine and dual system, is characterized in that comprising: virtual machine, hardware platform, vehicle digitizing model component; Described virtual machine adopts micro-kernel, two subregions of controlling run real-time task operating system and man-machine interactive operation system; Described hardware platform comprises: main control module, aobvious control module, power panel, external interface, and aobvious control module comprises: display, touch-screen, keypad; Described virtual machine receives the internet message that hardware platform sends, and reaches the real-time vehicle information that vehicle digitizing model component is uploaded, and the executive process task realizes vehicle intelligent control and man-machine interaction multi-functional; Power panel is connected with main control module, main control module is connected with aobvious control module, external interface is connected with main control module, described power panel provides power supply for main control module work, main control module receives the information that sends by external interface, and be presented on display, touch-screen and keypad with signal feedback to main control module.
2. a kind of on-board information platform that adopts virtual machine and dual system according to claim 1, it is characterized in that, described vehicle digitizing modular assembly comprises: digitizing assembly management unit, vehicle digitizing model unit, vehicle digitizing Component service end, vehicle digitizing assembly client; Described vehicle digitizing assembly client Based Intelligent Control application instruction is sent to digitizing assembly management unit by vehicle digitizing Component service end, vehicle digitizing model unit is connected with digitizing assembly management unit and encapsulation is mapped to a digital model to vehicle-state, and the real-time update vehicle-state also keeps synchronizeing of digital model and actual vehicle state.
3. a kind of on-board information platform that adopts virtual machine and dual system according to claim 1, is characterized in that, described hardware platform has wireless communication module, can communicate with the internet, obtains positional information.
4. a kind of on-board information platform that adopts virtual machine and dual system according to claim 3, is characterized in that, described digitizing assembly management unit is by the total line traffic control car body control module work of CAN.
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413089A (en) * | 2013-08-28 | 2013-11-27 | 天翼电信终端有限公司 | Mobile terminal and method thereof for achieving dual system |
| CN103425055A (en) * | 2013-08-28 | 2013-12-04 | 山东大学 | Semi-virtual functional test device and method for control system |
| CN105068897A (en) * | 2015-07-17 | 2015-11-18 | 东莞市健创电子有限公司 | Method for realizing vehicle-mounted smart dual system, dual system and dual system platform |
| CN105487869A (en) * | 2015-11-30 | 2016-04-13 | 深圳联友科技有限公司 | Vehicular double-system device and starting method thereof |
| CN105818758A (en) * | 2015-01-05 | 2016-08-03 | 中华汽车工业股份有限公司 | Vehicle instrument display and information entertainment control module and local network system |
| CN105960634A (en) * | 2014-02-04 | 2016-09-21 | 大众汽车有限公司 | Data transfer method, communications network, subscriber and vehicle |
| CN106406276A (en) * | 2015-07-29 | 2017-02-15 | 罗伯特·博世有限公司 | Method and device for the on-board diagnosis of a control unit |
| CN106484535A (en) * | 2016-09-30 | 2017-03-08 | 上汽通用汽车有限公司 | Hardware virtual platform on vehicle and integrated system |
| CN106789487A (en) * | 2017-03-29 | 2017-05-31 | 成都雅骏新能源汽车科技股份有限公司 | A kind of CAN network access system and method based on hardware virtualization technology |
| CN107562056A (en) * | 2017-09-06 | 2018-01-09 | 郑州云海信息技术有限公司 | A kind of automatic driving of motor vehicle method and system based on cloud computing |
| CN107613354A (en) * | 2017-10-31 | 2018-01-19 | 四川长虹电器股份有限公司 | Method based on the compatible a variety of keypads of Android intelligent television |
| CN107856622A (en) * | 2017-09-22 | 2018-03-30 | 六安市科宇专利技术开发服务有限公司 | A kind of onboard system |
| CN109669422A (en) * | 2018-12-29 | 2019-04-23 | 武汉考克利尔工程技术有限公司 | A kind of system of real-time data acquisition |
| CN109981434A (en) * | 2019-03-25 | 2019-07-05 | 华勤通讯技术有限公司 | A kind of vehicle intelligent system |
| WO2019144488A1 (en) * | 2018-01-26 | 2019-08-01 | 出门问问信息科技有限公司 | Display apparatus, electronic device, and screen display control method |
| CN110304001A (en) * | 2019-07-30 | 2019-10-08 | 成都雅骏新能源汽车科技股份有限公司 | A kind of automobile mounted intelligence control system |
| CN110321167A (en) * | 2018-03-30 | 2019-10-11 | 厦门雅迅网络股份有限公司 | The dual system concurrent method and computer readable storage medium of car-mounted terminal |
| CN110381464A (en) * | 2018-04-13 | 2019-10-25 | 比亚迪股份有限公司 | In-vehicle multi-media system, display terminal, control method and vehicle |
| CN111301566A (en) * | 2018-12-12 | 2020-06-19 | 浙江金开物联网科技有限公司 | Digital control method for intelligent electric vehicle |
| CN111371875A (en) * | 2020-01-19 | 2020-07-03 | 鲨港科技(上海)有限公司 | Electronic control unit based on dual operating systems and processing method thereof |
| CN115145645A (en) * | 2022-09-01 | 2022-10-04 | 南京芯驰半导体科技有限公司 | Touch screen control method, system and chip supporting multiple operating systems |
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| CN103425055A (en) * | 2013-08-28 | 2013-12-04 | 山东大学 | Semi-virtual functional test device and method for control system |
| CN103413089B (en) * | 2013-08-28 | 2016-12-28 | 天翼电信终端有限公司 | Mobile terminal and the method realizing dual system thereof |
| CN103413089A (en) * | 2013-08-28 | 2013-11-27 | 天翼电信终端有限公司 | Mobile terminal and method thereof for achieving dual system |
| CN105960634A (en) * | 2014-02-04 | 2016-09-21 | 大众汽车有限公司 | Data transfer method, communications network, subscriber and vehicle |
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| CN105068897A (en) * | 2015-07-17 | 2015-11-18 | 东莞市健创电子有限公司 | Method for realizing vehicle-mounted smart dual system, dual system and dual system platform |
| CN106406276A (en) * | 2015-07-29 | 2017-02-15 | 罗伯特·博世有限公司 | Method and device for the on-board diagnosis of a control unit |
| CN105487869A (en) * | 2015-11-30 | 2016-04-13 | 深圳联友科技有限公司 | Vehicular double-system device and starting method thereof |
| CN106484535A (en) * | 2016-09-30 | 2017-03-08 | 上汽通用汽车有限公司 | Hardware virtual platform on vehicle and integrated system |
| CN106789487B (en) * | 2017-03-29 | 2022-04-12 | 成都雅骏新能源汽车科技股份有限公司 | CAN network access system and method based on hardware virtualization technology |
| CN106789487A (en) * | 2017-03-29 | 2017-05-31 | 成都雅骏新能源汽车科技股份有限公司 | A kind of CAN network access system and method based on hardware virtualization technology |
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| CN107856622A (en) * | 2017-09-22 | 2018-03-30 | 六安市科宇专利技术开发服务有限公司 | A kind of onboard system |
| CN107613354A (en) * | 2017-10-31 | 2018-01-19 | 四川长虹电器股份有限公司 | Method based on the compatible a variety of keypads of Android intelligent television |
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| WO2019144488A1 (en) * | 2018-01-26 | 2019-08-01 | 出门问问信息科技有限公司 | Display apparatus, electronic device, and screen display control method |
| CN110321167A (en) * | 2018-03-30 | 2019-10-11 | 厦门雅迅网络股份有限公司 | The dual system concurrent method and computer readable storage medium of car-mounted terminal |
| CN110381464A (en) * | 2018-04-13 | 2019-10-25 | 比亚迪股份有限公司 | In-vehicle multi-media system, display terminal, control method and vehicle |
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| CN111301566A (en) * | 2018-12-12 | 2020-06-19 | 浙江金开物联网科技有限公司 | Digital control method for intelligent electric vehicle |
| CN109669422A (en) * | 2018-12-29 | 2019-04-23 | 武汉考克利尔工程技术有限公司 | A kind of system of real-time data acquisition |
| CN109669422B (en) * | 2018-12-29 | 2021-09-14 | 宝信软件(武汉)有限公司 | Real-time data acquisition system |
| CN109981434A (en) * | 2019-03-25 | 2019-07-05 | 华勤通讯技术有限公司 | A kind of vehicle intelligent system |
| CN110304001A (en) * | 2019-07-30 | 2019-10-08 | 成都雅骏新能源汽车科技股份有限公司 | A kind of automobile mounted intelligence control system |
| CN111371875A (en) * | 2020-01-19 | 2020-07-03 | 鲨港科技(上海)有限公司 | Electronic control unit based on dual operating systems and processing method thereof |
| CN115145645A (en) * | 2022-09-01 | 2022-10-04 | 南京芯驰半导体科技有限公司 | Touch screen control method, system and chip supporting multiple operating systems |
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Application publication date: 20130522 |