CN103685524A - Intelligent vehicle-mounted terminal system - Google Patents
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Abstract
The invention provides an intelligent vehicle-mounted terminal system. Voice recognition is carried out on a driver voice signal collected by a voice collecting and playing module through a voice recognition unit in a core processing module and a voice recognition message is sent to an analysis control unit in the core processing module to be analyzed so that requirements of a driver are acquired; then, an OBD data signal is acquired from an OBD data collecting module as required by the driver, navigation positioning information is acquired from a navigation information acquiring module or network services are acquired from a network information acquiring module according to the requirements of the driver, the acquired information corresponding to the requirements of the driver is fed back to the voice recognition unit, and the received information corresponding to the requirements of the driver is converted into an audio signal through the voice recognition unit and is played through the voice collecting and playing module. In this way, the intelligent vehicle-mounted terminal system provides richer and more intelligent services and happy driving experience for the driver.
Description
Technical field
The present invention relates to a kind of intelligent vehicle mounted terminal system.Relate in particular to a kind of intelligent vehicle mounted terminal system based on speech recognition and car networking.
Background technology
Along with scientific and technical development, car networked system becomes the main development direction of following motor vehicle network.Car networked system utilizes wireless sensor networks, network technology, computing technique, control technology, intellectual technology, road and traffic are carried out to comprehensive perception, realized between a plurality of systems on a large scale, Large Volume Data mutual, for set up a kind of real-time, accurately, communications and transportation integrated management efficiently and control system provide technical support.Following car networked system can make perception more thorough, except condition of road surface, the all right various key elements of perception, such as pollution index, uitraviolet intensity, weather conditions, near gas station, driver's health, driving ability, trip purpose etc., traffic route navigation Service in the future also will no longer only take " arriving fast destination " be standard, but can select the route of " the most applicable driver; the most applicable trip " to offer user, motor vehicle navigation is become to " people-oriented " from " with Lu Weiben ".
Just as the computer in internet, the mobile phone in mobile Internet, car-mounted terminal is the medium that car owner obtains car networking final value, can be described as of paramount importance node in network.Current, a lot of car-mounted terminals are also not suitable for the development of " car networking ", and its core reasons are exactly to have adopted terminal system platform non-opening, non intelligent.If the car-mounted terminal Main Function of present stage is driving parameter (as engine speed, Fuel Oil Remaining, the speed of a motor vehicle etc.) and the real-time navigation for collection vehicle, and the collection of this vehicle driving information is wherein mainly the OBD(On Board Diagnosis based on vehicle) the reading of interface signal data, vehicle mounted guidance wherein mainly plays a role for showing that in real time the display terminal of map, traffic information coordinates based on GPS (Global Positioning System) navigation system and one.Therefore, the car-mounted terminal of present stage can only provide the service with technicality, cannot realize effective interaction with car networking, for user provides the service of more intellectualities, entertainment orientation.
The car-mounted terminal of present stage, provides services such as travel condition of vehicle, navigation by car-mounted terminal screen display to user mostly.But concerning driver, it is all unsafe checking when driving or touch car-mounted terminal screen, and the attentiveness that all can disperse driver, easily causes traffic accidents.Now, it is particularly important that speech recognition technology just seems, it will become the boost motor of car networking development.Ripe speech recognition technology can allow driver by natural language networking service of asking for of issuing order to car, can receive the service that car networking provides by enough ears, and this application that is best suited for this fast moving space of car is experienced.But ripe speech recognition technology need to depend on powerful corpus and operational capability, therefore the development of vehicle-mounted voice technology itself must depend on network, because the storage capacity of car-mounted terminal and operational capability all cannot be resolved the speech recognition technology of on-fixed order, now, just need to depend on the cloud computing support of Cloud Server, the computing capability that it is powerful and processing speed are the powerful guarantees of speech recognition high-accuracy, simultaneously for huge car networked information data fusion provides reliable service efficiently.
Granted publication number is CN103078915A, denomination of invention is " a kind of vehicle-mounted voice order programme and method thereof based on the networking of cloud computing car ", a kind of vehicle-mounted voice order programme based on the networking of cloud computing car is provided, has comprised on-vehicle host, by car, networked and access in the Internet; Speech recognition and title of the song management server, networked and connected with on-vehicle host by car; Music servers, is networked and is connected with on-vehicle host by car; And described speech recognition and title of the song management server and described music servers are all stored in high in the clouds.On-vehicle host receives after the voice signal of user's requesting song, and the voice signal of requesting song is sent to speech recognition and title of the song management server; Speech recognition and title of the song management server carry out voice signal, after the identification and parsing of keyword, the corresponding network address of the voice signal inquiring being back in on-vehicle host; On-vehicle host deposits the network address of reception in playlist, and connects with the music servers corresponding with this network address, and on-vehicle host receives and play the digital audio media file sending from music servers afterwards, has realized ordering song by voice.But driver is when driving, not the demand of only having requesting song, how for user provides more horn of plenty and intelligentized service, be problem demanding prompt solution.
Summary of the invention
For this reason, technical problem to be solved by this invention is vehicle-mounted terminal system of the prior art, and the service providing is more single, thereby provide a kind of, can provide the more intelligent vehicle mounted terminal system of horn of plenty and Intelligent Service for user.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
The invention provides a kind of intelligent vehicle mounted terminal system, comprising:
OBD data acquisition module, for obtaining OBD data-signal from OBD device;
Navigation information acquisition module, for obtaining navigator fix information from navigation positional device;
Network information acquisition module, for obtaining network service by interconnection device;
Voice collecting and playing module, the audio signal adapting for gathering driver's voice signal and broadcasting and driver's demand;
Core processing module, comprises voice recognition unit and analysis controlling unit;
Described voice recognition unit obtains driver's voice signal from described voice collecting and playing module, and it is carried out to speech recognition;
Described analysis controlling unit is analyzed the voice recognition information receiving from described voice recognition unit, and then obtain driver's demand, according to driver's demand, from described OBD data acquisition module, described navigation information acquisition module or described network information acquisition module, obtain the information adapting with driver's demand afterwards, and fed back to described voice recognition unit;
Described voice recognition unit converts the information adapting with driver's demand receiving to adapt with driver's demand audio signal, by described voice collecting and playing module, plays back.
Intelligent vehicle mounted terminal system of the present invention, when described analysis controlling unit obtains driver's demand and is vehicle fault detection, sends inquiry code to described OBD data acquisition module;
Described OBD data acquisition module feeds back to described analysis controlling unit by OBD data-signal after receiving inquiry code, described analysis controlling unit is resolved OBD data-signal, and then obtain motor vehicle running state information, and fed back to described voice recognition unit;
Described voice recognition unit converts the motor vehicle running state information of reception to motor vehicle running status audio signal, by described voice collecting and playing module, plays back.
Intelligent vehicle mounted terminal system of the present invention, described core processing module also comprises Voice Navigation setting unit, for controlling navigation positional device, navigation purpose ground is set;
When described analysis controlling unit obtains driver's demand when obtaining navigator fix information, start described Voice Navigation setting unit and control navigation positional device, according to driver's demand, navigation purpose ground is set; Afterwards from described navigation information acquisition module obtain with navigation purpose the navigator fix information that adapts, and fed back to described voice recognition unit;
Described voice recognition unit converts the navigator fix information of reception to navigator fix audio signal, by described voice collecting and playing module, plays back.
Intelligent vehicle mounted terminal system of the present invention, described analysis controlling unit obtains driver's demand when obtaining network service, to described network information acquisition module, sends network service request;
Described network information acquisition module receives after network service request, the information of network service adapting with driver's demand that receives that interconnection device provides, and fed back to described voice recognition unit;
Described voice recognition unit converts the information of network service of reception to network service audio signal, by described voice collecting and playing module, plays back.
Intelligent vehicle mounted terminal system of the present invention, described core processing module also comprises memory cell, for storing data information;
When described analysis controlling unit can obtain the data message adapting with driver's demand from described memory cell, fed back to described voice recognition unit; Described voice recognition unit converts the data message adapting with driver's demand receiving to adapt with driver's demand data audio signal, by described voice collecting and playing module, plays back;
When described analysis controlling unit can not obtain the data message adapting with driver's demand from described memory cell, to described network information acquisition module, send network service request; Described network information acquisition module receives after network service request, the information of network service adapting with driver's demand that receives that interconnection device provides, and fed back to described voice recognition unit; Described voice recognition unit converts the information of network service of reception to network service audio signal, by described voice collecting and playing module, plays back.
Intelligent vehicle mounted terminal system of the present invention, described core processing module also comprises prewarning unit, for controlling prior-warning device, carries out early warning;
After described analysis controlling unit is resolved OBD data-signal, obtaining motor vehicle running state information is that motor vehicle operation occurs extremely, starts described prewarning unit control prior-warning device and carries out early warning.
Intelligent vehicle mounted terminal system of the present invention, also comprises:
Cloud computing networking module, for making described voice recognition unit obtain cloud computing service by interconnection device;
Described core processing module also comprises speech recognition judging unit, for the voice recognition information of obtaining from described voice recognition unit is analyzed, judges that whether it is accurate, and judged result is fed back to described voice recognition unit;
When described speech recognition judging unit judgement voice recognition information is accurate, described voice recognition unit transfers to described analysis controlling unit by voice recognition information;
When described speech recognition judging unit judgement voice recognition information is inaccurate, described voice recognition unit sends cloud computing service request to described cloud computing networking module, described cloud computing networking module receives after cloud computing service request, by interconnection device, make described voice recognition unit obtain cloud computing service, to its speech recognition, provide cloud computing support, the voice recognition information after described voice recognition unit is processed cloud computing transfers to described analysis controlling unit.
Intelligent vehicle mounted terminal system of the present invention, also comprises:
Information transmission modular, for the vehicle data information of obtaining from described navigation information acquisition module to car networking transmission by interconnection device, described vehicle data information comprises longitude and latitude of living in, travel direction and speed.
Intelligent vehicle mounted terminal system of the present invention, also comprises:
OBD data outputting module, for transmitting to car networking or 4S shop the OBD data-signal obtaining from described OBD data acquisition module by interconnection device.
Intelligent vehicle mounted terminal system of the present invention, also comprises:
Input and display module, for to described analysis controlling unit input driver demand, and the information adapting with driver's demand that shows that described analysis controlling unit provides.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) the invention provides a kind of intelligent vehicle mounted terminal system, by the voice recognition unit in core processing module, driver's voice signal of voice collecting and playing module collection is carried out to speech recognition, and the analysis controlling unit that voice recognition information is sent in core processing module is analyzed, obtain driver's demand, according to driver's demand, from OBD data acquisition module, obtain OBD data-signal accordingly afterwards, from navigation information acquisition module, obtain navigator fix information or obtain network service from network information acquisition module, and the above-mentioned information adapting with driver's demand of obtaining is fed back to voice recognition unit, voice recognition unit converts the above-mentioned information adapting with driver's demand receiving to audio signal, by voice collecting and playing module, play back.
Therefore, the invention provides a kind of can speech recognition driver demand, and the information exchange of driver's demand is crossed to speech play intelligent vehicle mounted terminal system out.Without driver, check or touch display screen or carry out other and operate to obtain related service information, can not disperse driver's attentiveness, guaranteed the safety of driving.Vehicle-mounted terminal system of the present invention, the multiple voice information such as OBD data message, navigation information, network service can be provided to driver according to driver's demand, make driver can control car-mounted terminal by voice, to driver, provide more horn of plenty and intelligentized service, made driver can enjoy happy driving and experience.
(2) intelligent vehicle mounted terminal system of the present invention, when analysis controlling unit obtains driver's demand and is vehicle fault detection, to OBD data acquisition module, send inquiry code, and then obtain OBD data-signal, analysis controlling unit is by resolving OBD data-signal afterwards, and then obtain motor vehicle running state information, and feed back to voice recognition unit, voice recognition unit converts motor vehicle running state information to audio signal, by voice collecting and playing module, play back, driver just can hear current motor vehicle running state information.Such as comprising diagnostic trouble code P0196 in OBD data-signal, analysis controlling unit is by comparing diagnostic trouble code P0196 and diagnostic trouble code mapping abridged table, can obtain current motor vehicle running state information is that fuel oil input system is abnormal, voice recognition unit converts fuel oil input system abnormal information to audio signal afterwards, by voice collecting and playing module, play back, remind driver to note.
Therefore, intelligent vehicle mounted terminal system of the present invention, driver gets final product issuing command by language, and then obtain the voice messaging of motor vehicle running status, very simple and convenient of whole process, be no lack of again interest, not only the probability of upper reduction security incident generation largely, can also provide the experience of happy driving to driver.
(3) intelligent vehicle mounted terminal system of the present invention, also comprise Voice Navigation setting unit, when driver is by quoting behind destination, Voice Navigation setting unit is obtained destination voice signal and is converted into the instruction that navigation positioning system can be carried out, and then the destination that control navigation positional device driver quotes is set to navigation purpose ground, afterwards analysis controlling unit by from navigation information acquisition module 2 that obtain with navigation purpose the navigator fix information that adapts feed back to voice recognition unit, voice recognition unit is converted into audio signal, by voice collecting and playing module, play back, driver just can hear navigation information.Therefore, intelligent vehicle mounted terminal system of the present invention, driver can arrange destination by language, and without artificial input operation, and can obtain the Voice Navigation information adapting with destination.The Experience Degree that is conducive to safe driving and lifting driver.
(4) intelligent vehicle mounted terminal system of the present invention, when analysis controlling unit obtains driver's demand when obtaining network service, to network information acquisition module, send network service request, network information acquisition module can be according to network service request, by interconnection device, obtain the information of network service adapting with driver's demand, and by voice recognition unit, convert the information of network service obtaining to audio signal and play back by voice collecting and playing module.Such as, driver wants to listen story, network information acquisition module can be wanted by interconnection device the story information of listening from Network Capture driver, if story information itself is audio signal, just it is play-overed out by voice collecting and playing module, if story information itself is not audio signal, play back again after converting thereof into audio signal by voice recognition unit.In addition, driver can also pass through a lot of recreation experience of Network Capture, such as listening song, understand traffic information, understanding Weather information etc.Therefore, intelligent vehicle mounted terminal system of the present invention, together with the network integration that comprises magnanimity information, can provide abundant information and amusement to enjoy car-mounted terminal to driver, makes driver's driving process be full of enjoyment.
(5) intelligent vehicle mounted terminal system of the present invention, described core processing module also comprises memory cell, for storing data information, described data message can be for comprising entertainment information, navigation information etc., when analysis controlling unit can obtain the data message adapting with driver's demand from memory cell, just directly the information exchange of cell stores is crossed to voice recognition unit and converted to audio signal and play back, make driver to get entertainment service with the fastest speed.If analysis controlling unit can not obtain the data message adapting with driver's demand from memory cell, then obtains by the network information acquisition module information of network service adapting with driver's demand.
Therefore intelligent vehicle mounted terminal system of the present invention, can respond and offer the corresponding entertainment service of driver fast, in the situation that network signal is bad, also can guarantee that driver can enjoy certain entertainment service, has promoted driver's Experience Degree.
(6) intelligent vehicle mounted terminal system of the present invention, described core processing module also comprises prewarning unit, if analysis controlling unit judges that motor vehicle operation occurs extremely after resolving OBD data-signal, starts prewarning unit control prior-warning device and carries out early warning.Thereby remind driver to solve as early as possible motor vehicle abnormality, avoid causing danger.
(7) intelligent vehicle mounted terminal system of the present invention, also comprise that cloud computing networking module and core processing module also comprise speech recognition judging unit, when speech recognition judging unit judges that the voice recognition information of obtaining from voice recognition unit is inaccurate, voice recognition unit can obtain cloud computing service by cloud computing networking module, thereby has improved the speech recognition accuracy rate of voice recognition unit.Therefore, intelligent vehicle mounted terminal system of the present invention, relies on powerful computing capability and the processing speed of cloud computing, has ensured the high-accuracy of speech recognition, for huge network information data " fusion " provides reliable service efficiently.
(8) intelligent vehicle mounted terminal system of the present invention, also comprise information transmission modular, the vehicle data information of obtaining from navigation information acquisition module to car networking transmission by interconnection device, such as motor vehicle longitude and latitude of living in, the data message such as travel direction and speed, car internet services information system is according to above-mentioned data message, can obtain as calculated the part real-time road condition information in the current section of living in of motor vehicle, can provide described traffic information to other automobile drivers, direct drivers is selected suitable traffic path, for providing, the realization of intelligent transportation provides powerful support for.
(9) intelligent vehicle mounted terminal system of the present invention, also comprise OBD data outputting module, by interconnection device, to car networking or 4S shop, transmit the OBD data-signal obtaining from OBD data acquisition module, car internet services information system or 4S shop staff, by analyzing OBD data-signal, can realize remote monitoring, diagnosis and maintenance to motor vehicle.Make vehicle trouble to have guaranteed traffic safety in the very first time by clear, improved driver's Experience Degree.
(10) intelligent vehicle mounted terminal system of the present invention, also comprises input and display module, for to analysis controlling unit input driver demand, and the information adapting with driver's demand that provides of display analysis control unit.By input and display module are set, can be when voice recognition unit breaks down, reduce as much as possible the impact on driver, make driver pass through input and display module can also be inputted its demand to analysis controlling unit, and obtain the information adapting with its demand.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structured flowchart of intelligent vehicle mounted terminal system of the present invention;
Fig. 2 is the flow chart of intelligent vehicle mounted terminal system acquisition of the present invention player motor-car running state information;
Fig. 3 is the workflow diagram of intelligent vehicle mounted terminal system of the present invention.
In figure, Reference numeral is expressed as: 1-OBD data acquisition module, 2-navigation information acquisition module, 3-network information acquisition module, 4-voice collecting and playing module, 5-core processing module, 6-cloud computing networking module, 7-information transmission modular, 8-OBD data outputting module, 9-input and display module, 51-voice recognition unit, 52-analysis controlling unit, 53-Voice Navigation setting unit, 54-memory cell, 55-prewarning unit, 56-speech recognition judging unit.
Embodiment
Embodiment 1
The present embodiment provides a kind of intelligent vehicle mounted terminal system, as shown in Figure 1, comprising:
OBD data acquisition module 1, for obtaining OBD data-signal from OBD device.
Navigation information acquisition module 2, for obtaining navigator fix information from navigation positional device.
Network information acquisition module 3, for obtaining network service by interconnection device.
Voice collecting and playing module 4, the audio signal adapting for gathering driver's voice signal and broadcasting and driver's demand.
Core processing module 5, comprises voice recognition unit 51 and analysis controlling unit 52.
Described voice recognition unit 51 obtains driver's voice signal from described voice collecting and playing module 4, and it is carried out to speech recognition.
52 pairs of voice recognition information that receive from described voice recognition unit 51 of described analysis controlling unit are analyzed, and then obtain driver's demand, according to driver's demand, from described OBD data acquisition module 1, described navigation information acquisition module 2 or described network information acquisition module 3, obtain the information adapting with driver's demand afterwards, and fed back to described voice recognition unit 51.
Described voice recognition unit 51 converts the information adapting with driver's demand receiving to adapt with driver's demand audio signal, by described voice collecting and playing module 4, plays back.
As a kind of optional execution mode, described OBD data acquisition module 1 can be arranged in vehicle-mounted OBD device, and the output of OBD device transducer numerous with interior of motor vehicles, instrument etc. is connected, relevant driving property parameters that can harvester motor-car is also OBD data-signal, therefore, OBD data acquisition module 1 can obtain OBD data-signal from OBD device.Because OBD device is all provided with USB port, as a kind of optional execution mode, described OBD data acquisition module 1 can transfer to described analysis controlling unit 52 by described OBD data-signal by being arranged at the USB module of USB port.As preferred embodiment a kind of, described USB module also can power to the car-mounted terminal that intelligent vehicle mounted terminal system is installed by USB port.
As a kind of optional execution mode, described voice collecting and playing module 4, can be arranged in bluetooth headset, when driver aims at bluetooth headset and speaks, the described voice collecting and the playing module 4 that are arranged in bluetooth headset just can collect driver's voice signal clearly, transfer to described voice recognition unit 51 and carry out speech recognition after noise reduction process.When described voice recognition unit 51 is received the information that feed back to and driver's demand adapt from described analysis controlling unit 52, can convert thereof into corresponding audio signal and transfer to described voice collecting and playing module 4 plays back, now driver just can uppick by bluetooth headset and the information that adapts of its demand.By adopting bluetooth headset to receive driver's voice messaging and playing the information adapting with its demand to driver, this measure can make the voice signal receiving be subject to the less interference of noisy environment in vehicle body, promote the accuracy of the voice signal gathering, be beneficial to the judgement identification of later stage to voice signal.Meanwhile, driver also can receive, distinguish the feedback information of terminal preferably, is beneficial to mutual running smooth.
Speech recognition can be divided into: the identification of particular person and unspecified person, autonomous word and identification, little vocabulary and the large vocabulary of word and the identification of unlimited vocabulary continuously.But the no matter speech recognition of that mode, its basic principle and processing method are all substantially similar.Speech recognition process mainly comprises the several parts of preliminary treatment, feature extraction, pattern matching of voice signal.Preliminary treatment comprises the processes such as pre-filtering, sampling and quantification, windowing, end-point detection, preemphasis.It is exactly characteristic parameter extraction that voice signal is identified a most important ring.The characteristic parameter extracting must meet following requirement: the characteristic parameter of extraction can represent phonetic feature effectively, has good differentiation; Between each rank parameter, there is good independence; Characteristic parameter is wanted convenience of calculation, preferably has efficient algorithm, to guarantee the real-time implementation of speech recognition.Because speech recognition belongs to prior art, not the emphasis that the present invention will protect, this does not repeat.
As a kind of optional execution mode, navigation information acquisition module 2, can be arranged in automotive positioning device, also can be arranged in described core processing module 5, and described automotive positioning device can be gps system.Described navigation information acquisition module 2 is by the connectivity port of gps system and car-mounted device, by the navigator fix communication obtaining from automotive positioning device to described analysis controlling unit 52.
As a kind of optional execution mode, described network information acquisition module 3, can be arranged in described interconnection device, also can be arranged in described core processing module 5.Described interconnection device can be 3G interconnection device.
As a kind of optional execution mode, described interconnection device can connect car networking by WAP (wireless access point) and be connected to the Internet again.
As a kind of optional execution mode, described core processing module 5 can adopt the built-in intelligent sound identification software of Android system as described voice recognition unit 51.
In sum, the present embodiment provides a kind of demand that can speech recognition driver, and the information exchange of driver's demand is crossed to speech play intelligent vehicle mounted terminal system out.Without driver, check or touch display screen or carry out other and operate to obtain related service information, can not disperse driver's attentiveness, guaranteed the safety of driving.Vehicle-mounted terminal system described in the present embodiment, the multiple voice information such as OBD data message, navigation information, network service can be provided to driver according to driver's demand, make driver can control car-mounted terminal by voice, to driver, provide more horn of plenty and intelligentized service.By intelligent vehicle mounted terminal system, vehicle-mounted OBD device, automotive positioning device, interconnection device etc. are combined, make driver just can realize the good interaction with above-mentioned car-mounted device by natural-sounding, thereby enjoy happy driving, experience.
Embodiment 2
On the basis of embodiment 1, the intelligent vehicle mounted terminal system described in the present embodiment, when described analysis controlling unit 52 obtains driver's demand and is vehicle fault detection, sends inquiry code to described OBD data acquisition module 1.
After described OBD data acquisition module 1 receives inquiry code, OBD data-signal is fed back to described analysis controlling unit 52,52 pairs of OBD data-signals of described analysis controlling unit are resolved, and then obtain motor vehicle running state information, and fed back to described voice recognition unit 51.
Described voice recognition unit 51 converts the motor vehicle running state information of reception to motor vehicle running status audio signal, by described voice collecting and playing module 4, plays back.
Therefore, intelligent vehicle mounted terminal system described in the present embodiment, driver gets final product issuing command by language, and then obtain the voice messaging of motor vehicle running status, very simple and convenient of whole process, be no lack of again interest, not only the probability of upper reduction security incident generation largely, can also provide the experience of happy driving to driver.
The present embodiment also provides a concrete case study on implementation, and its flow chart is referring to Fig. 2, and concrete steps are as described below:
First automobile driver says " vehicle fault detection " facing to bluetooth headset, the voice collecting and the playing module 4 that are arranged in bluetooth headset collect " vehicle fault detection " voice signal that driver quotes, described transmitting voice signal to voice recognition unit 51 is identified, voice recognition unit 51 transfers to analysis controlling unit 52 by the voice recognition information corresponding with " vehicle fault detection ", analysis controlling unit 52 is resolved this voice recognition information, known driver's demand is for obtaining OBD data-signal (travel condition of vehicle information), now, described analysis controlling unit 52 will send inquiry code to described OBD data acquisition module 1 by the USB module being arranged in USB port, acquisition request OBD data-signal.
Described OBD data acquisition module 1 receives after described inquiry code, by USB module, to described analysis controlling unit 52, transmits described OBD data-signal.
Because SAE J1979 has defined 9 kinds of diagnostic modes in order to obtain dissimilar diagnosis OBD data-signal, in the present embodiment, only selected wherein a kind of pattern, obtained dynamical system monitor data pattern, when dropping into practical application, can comprise more multi-mode, carry out more fully car test.Wherein select any diagnostic mode to determine according to vehicle performance and running status.
The described OBD data-signal of 52 pairs of receptions of described analysis controlling unit judges the diagnostic mode that it adopts, and select the analytical method matching with this diagnostic mode to carry out Data Analysis to described OBD data-signal, the Data Analysis process of described analysis controlling unit 52 is as described below:
Here OBD data-signal be divided into switching signal and flow signal and resolve respectively.Switching signal content is diagnostic trouble code, and corresponding program variable is Logic Boolean type, and the diagnostic trouble code of model dynamical system and major failure code mapping abridged table are as follows:
Described analysis controlling unit 52 is realized the parsing to described OBD data-signal by tabling look-up, and can obtain motor vehicle running state information.As contained " P0196 " diagnostic trouble code in OBD data-signal to be resolved, by tabling look-up, can judge that now motor vehicle running status occurs extremely, fault is that engine motor oil temperature sensor scheme voltage is incorrect.
Stream signal is numeric data, and as engine speed, the groundwork that described analysis controlling unit 52 is resolved is to carry out types of variables conversion.
After parsing finishes, described analysis controlling unit 52 feeds back to described voice recognition unit 51 by the described motor vehicle running state information of obtaining after resolving, described voice recognition unit 51 converts described motor vehicle running state information to motor vehicle running status audio signal, by described voice collecting and playing module, play back, be convenient to driver and obtain relevant motor vehicle running state information.
When ECU(vehicle-mounted computer) while breaking down, ECU can complete control task in Automatically invoked standby loop, enters simple and easy controlling run state, by fixing control signal, makes vehicle continue to travel.Because this standby circuit system only possesses the simple functions that maintains engine running, and can not replace whole work of ECU, " limping " pattern so the work of this standby circuit system is otherwise known as.
OBD2 diagnostic mode MODE04 has the function of reset ECU, after reset ECU, removes failure code.
Therefore, intelligent vehicle mounted terminal system described in the present embodiment, driver can realize the inquiry to OBD data-signal by voice, and then implements vehicle self-checking function.
Embodiment 3
On the basis of embodiment 1 and embodiment 2, as shown in Figure 1, the intelligent vehicle mounted terminal system described in the present embodiment, described core processing module 5 also comprises Voice Navigation setting unit 53, for controlling navigation positional device, navigation purpose ground is set.
When described analysis controlling unit 52 obtains driver's demand when obtaining navigator fix information, start described Voice Navigation setting unit 53 and control navigation positional devices, according to driver's demand, navigation purpose ground is set; Afterwards from described navigation information acquisition module 2 obtain with navigation purpose the navigator fix information that adapts, and fed back to described voice recognition unit 51.
Described voice recognition unit 51 converts the navigator fix information of reception to navigator fix audio signal, by described voice collecting and playing module 4, plays back.
Intelligent vehicle mounted terminal system described in the present embodiment, when driver is by quoting destination, such as " Beijing science and technology center ", described voice recognition unit 51 gets the destination voice signal that driver sends and described destination voice signal is carried out to speech recognition from described voice collecting and playing module 4, converting described destination voice recognition information to audio signal afterwards plays back by described voice collecting and playing module 4, please driver finally check whether destination is " Beijing science and technology center ", driver confirms that by voice recognition result is (such as driver says " yes ", the destination information after identification has been confirmed in representative), now described Voice Navigation setting unit 53 starts the navigation Service that navigation positional device is provided to " Beijing science and technology center ".Analysis controlling unit 52 will feed back to voice recognition unit 51 from the navigation information acquisition module 2 navigator fix information adapting with Beijing science and technology center that obtain afterwards, voice recognition unit 51 is converted into audio signal, by voice collecting and playing module 4, play back, driver just can hear navigation information.Therefore, intelligent vehicle mounted terminal system described in the present embodiment, driver can arrange destination by language, and without artificial input operation, and can obtain the Voice Navigation information adapting with destination.The Experience Degree that is conducive to safe driving and lifting driver.
Embodiment 4
On the basis of embodiment 1-embodiment 3 arbitrary described embodiment, intelligent vehicle mounted terminal system described in the present embodiment, described analysis controlling unit 52 obtains driver's demand when obtaining network service, to described network information acquisition module 3, sends network service request.
Described network information acquisition module 3 receives after network service request, the information of network service adapting with driver's demand that receives that interconnection device provides, and fed back to described voice recognition unit 51.
Described voice recognition unit 51 converts the information of network service of reception to network service audio signal, by described voice collecting and playing module 4, plays back.
Intelligent vehicle mounted terminal system described in the present embodiment, when analysis controlling unit 52 obtains driver's demand when obtaining network service, to network information acquisition module 3, send network service request, network information acquisition module 3 can be according to network service request, by interconnection device, obtain the information of network service adapting with driver's demand, and by voice recognition unit 51, convert the information of network service obtaining to audio signal and play back by voice collecting and playing module 4.Such as, driver wants to listen story, network information acquisition module 3 can be wanted by interconnection device the story information of listening from Network Capture driver, if story information itself is audio signal, just it is play-overed out by voice collecting and playing module 3, if story information itself is not audio signal, play back again after converting thereof into audio signal by voice recognition unit 51.In addition, driver can also pass through a lot of recreation experience of Network Capture, such as listening song, understand traffic information, understanding Weather information etc.Therefore, intelligent vehicle mounted terminal system described in the present embodiment, together with the network integration that comprises magnanimity information, can provide abundant information and amusement to enjoy car-mounted terminal to driver, makes driver's driving process be full of enjoyment.
Intelligent vehicle mounted terminal system described in the present embodiment, described network information acquisition module 3 just can be realized the good interaction of intelligent vehicle mounted terminal system and car networking by interconnection device, as first passed through the current longitude and latitude of navigation module (GPS) Real-time Collection vehicle, speed, the speed data of the data such as direction and the automobile instrument that obtains by CAN bus, again these data are sent to car networked information service system every the very short time interval by interconnection device, car internet services information system calculates the part real-time road condition information in the current affiliated section of automobile according to these data.When by the statistical analysis to large batch of data (uploading by a large amount of car-mounted terminals), can obtain accurately the real-time road condition information of every road, once there is the situations such as congested in traffic, these information can be offered to driver for driving reference.So far, the networking of known car-mounted terminal and car exists good information interaction and shares, for the realization of intelligent transportation provides specific embodiment.
Embodiment 5
On the basis of embodiment 1-embodiment 4 arbitrary described embodiment, the intelligent vehicle mounted terminal system described in the present embodiment, as shown in Figure 1, described core processing module 5 also comprises memory cell 54, for storing data information.
When described analysis controlling unit 52 can obtain the data message adapting with driver's demand from described memory cell 54, fed back to described voice recognition unit 51; Described voice recognition unit 51 converts the data message adapting with driver's demand receiving to adapt with driver's demand data audio signal, by described voice collecting and playing module 4, plays back.
When described analysis controlling unit 52 can not obtain the data message adapting with driver's demand from described memory cell 54, to described network information acquisition module 3, send network service request; Described network information acquisition module 3 receives after network service request, the information of network service adapting with driver's demand that receives that interconnection device provides, and fed back to described voice recognition unit 51; Described voice recognition unit 51 converts the information of network service of reception to network service audio signal, by described voice collecting and playing module 4, plays back.
Intelligent vehicle mounted terminal system described in the present embodiment, described core processing module 5 is by information such as described memory cell 54 storage entertainment information, navigation informations, when described analysis controlling unit 52 can obtain the data message adapting with driver's demand from described memory cell 54, just directly by voice recognition unit 51, convert described memory cell 54 canned datas to audio signal and play back, make driver to get related service with the fastest speed.If analysis controlling unit 52 can not obtain the data message adapting with driver's demand from described memory cell 54, then obtains by network information acquisition module 3 information of network service adapting with driver's demand.Therefore intelligent vehicle mounted terminal system described in the present embodiment, can respond and offer the corresponding entertainment service of driver fast, in the situation that network signal is bad, also can guarantee that driver can enjoy certain entertainment service, has promoted driver's Experience Degree.
Embodiment 6
On the basis of embodiment 1-embodiment 5 arbitrary described embodiment, the intelligent vehicle mounted terminal system described in the present embodiment, as shown in Figure 1, described core processing module 5 also comprises prewarning unit 55, for controlling prior-warning device, carries out early warning.
After 52 pairs of OBD data-signals of described analysis controlling unit are resolved, obtaining motor vehicle running state information is that motor vehicle operation occurs extremely, starts described prewarning unit 55 control prior-warning devices and carries out early warning.
Described prior-warning device can pass through the various ways such as sound, vision, sense of touch and remind the operation of driver's motor vehicle to occur extremely.Thereby remind driver to solve as early as possible motor vehicle abnormality, avoid causing danger.
Embodiment 7
On the basis of embodiment 1-embodiment 6 arbitrary described embodiment, the intelligent vehicle mounted terminal system described in the present embodiment, as shown in Figure 1, also comprises:
Cloud computing networking module 6, for making described voice recognition unit 51 obtain cloud computing service by interconnection device.
Described core processing module 5 also comprises speech recognition judging unit 56, for the voice recognition information of obtaining from described voice recognition unit 51 is analyzed, judges that whether it is accurate, and judged result is fed back to described voice recognition unit 51.
When described speech recognition judging unit 56 judges that voice recognition information is accurate, described voice recognition unit 51 transfers to described analysis controlling unit 52 by voice recognition information.
When described speech recognition judging unit 56 judges that voice recognition information is inaccurate, described voice recognition unit 51 sends cloud computing service request to described cloud computing networking module 6, described cloud computing networking module 6 receives after cloud computing service request, by interconnection device, make described voice recognition unit 51 obtain cloud computing service, to its speech recognition, provide cloud computing support, the voice recognition information after described voice recognition unit 51 is processed cloud computing transfers to described analysis controlling unit 52.
Intelligent vehicle mounted terminal system described in the present embodiment, when speech recognition judging unit 56 judges that the voice recognition information of obtaining from voice recognition unit 51 is inaccurate, voice recognition unit 51 can obtain cloud computing service by cloud computing networking module 6.Therefore, intelligent vehicle mounted terminal system described in the present embodiment, rely on powerful computing capability and the processing speed of cloud computing, ensured the high-accuracy of speech recognition, for huge network information data " fusion " provides reliable service efficiently, by built-in voice recognition unit 51, outer combination cloud computing service, both are used in conjunction with and have reached the high discrimination of voice and the reasonable utilization of resource.
Embodiment 8
On the basis of embodiment 1-embodiment 7 arbitrary described embodiment, as shown in Figure 1, the intelligent vehicle mounted terminal system described in the present embodiment, also comprises:
Information transmission modular 7, for the vehicle data information of obtaining from described navigation information acquisition module 2 to car networking transmission by interconnection device, described vehicle data information comprises longitude and latitude of living in, travel direction and speed.
Intelligent vehicle mounted terminal system described in the present embodiment, its information transmission modular 7, the vehicle data information of obtaining from navigation information acquisition module 2 to car networking transmission by interconnection device, such as motor vehicle longitude and latitude of living in, the data message such as travel direction and speed, car internet services information system is according to above-mentioned data message, can obtain as calculated the part real-time road condition information in the current section of living in of motor vehicle, can provide described traffic information to other automobile drivers, direct drivers is selected suitable traffic path, for providing, the realization of intelligent transportation provides powerful support for.
As preferred embodiment a kind of, the intelligent vehicle mounted terminal system described in the present embodiment, also comprises:
OBD data outputting module 8, for transmitting to car networking or 4S shop the OBD data-signal obtaining from described OBD data acquisition module 1 by interconnection device.
Intelligent vehicle mounted terminal system described in the present embodiment, described OBD data outputting module 8, by interconnection device, to car networking or 4S shop, transmit the OBD data-signal obtaining from OBD data acquisition module 1, car internet services information system or 4S shop staff, by analyzing OBD data-signal, can realize remote monitoring, diagnosis and maintenance to motor vehicle.Make vehicle trouble to have guaranteed traffic safety in the very first time by clear, improved driver's Experience Degree.
As preferred embodiment a kind of, the intelligent vehicle mounted terminal system described in the present embodiment, also comprises:
Input and display module 9, for inputting driver's demands to described analysis controlling unit 52, and show described analysis controlling unit 52 information adapting with driver's demand that provide.Described input and display module 9 can be arranged in touch-screen.
Intelligent vehicle mounted terminal system described in the present embodiment, by input and display module 9 are set, can break down or when driver is inconvenient to speak at voice recognition unit 51, by input and display module 9, to described analysis controlling unit 52, input its demands, and obtain the information adapting with its demand, reduce as much as possible the impact on driver, improve driver's Experience Degree.
Fig. 3 is the workflow diagram of intelligent vehicle mounted terminal system of the present invention, as seen from Figure 3, when driver speaks by bluetooth headset, give an order or demand, voice collecting and playing module 4 will be identified the driver's who collects voice signal input voice recognition unit 51, after voice recognition unit 51 speech recognitions finish, speech recognition judge module 56 can judge that whether its speech recognition is accurate, if speech recognition is accurate, analysis controlling unit 52 obtains driver's demand and enters memory cell 54 inquiries whether have the data message adapting with driver's demand from voice recognition information, if speech recognition is inaccurate, cloud computing networking module can make voice recognition unit 51 obtain cloud computing service by interconnection device, make its speech recognition accurate, analysis controlling unit 52 obtains driver's demand and enters memory cell 54 inquiries whether have the data message adapting with driver's demand from the voice recognition information after cloud computing is processed, if have, the data message adapting with driver's demand is converted to audio signal and played back by voice recognition unit 51, if memory cell 54 does not have the data message adapting with driver's demand, network information acquisition module 3 can access mobile Internet by interconnection device, by mobile Internet, accessing vehicle net information service system, thereby get the information of network service adapting with driver's demand, and by voice recognition unit 51, information of network service is converted to audio signal and plays to driver by bluetooth headset.When driving, information transmission modular 7 can also be by interconnection device to car networking conveyer motor-car data message, such as information such as motor vehicle longitude and latitude of living in, travel direction and speed, car networked information service system can therefrom extract traffic information and obtain for numerous drivers.Before driving or in driving way, if the motor vehicle running state information of obtaining after the self check of vice activation vehicle abnormal (as Low oil Fuel, vehicle failure etc.), prewarning unit 54 can be carried out phonetic warning prompting by control prior-warning device.
Therefore, intelligent vehicle mounted terminal system described in the present embodiment, in conjunction with speech recognition technology, is incorporated into the one such as vehicle-mounted OBD device, navigation positional device, interconnection device, prior-warning device and has realized the multi-functional and intelligent of car-mounted device in conjunction with car networking.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Claims (10)
1. an intelligent vehicle mounted terminal system, is characterized in that, comprising:
OBD data acquisition module (1), for obtaining OBD data-signal from OBD device;
Navigation information acquisition module (2), for obtaining navigator fix information from navigation positional device;
Network information acquisition module (3), for obtaining network service by interconnection device;
Voice collecting and playing module (4), the audio signal adapting for gathering driver's voice signal and broadcasting and driver's demand;
Core processing module (5), comprises voice recognition unit (51) and analysis controlling unit (52);
Described voice recognition unit (51) obtains driver's voice signal from described voice collecting and playing module (4), and it is carried out to speech recognition;
Described analysis controlling unit (52) is analyzed the voice recognition information receiving from described voice recognition unit (51), and then obtain driver's demand, according to driver's demand, from described OBD data acquisition module (1), described navigation information acquisition module (2) or described network information acquisition module (3), obtain the information adapting with driver's demand afterwards, and fed back to described voice recognition unit (51);
Described voice recognition unit (51) converts the information adapting with driver's demand receiving to adapt with driver's demand audio signal, by described voice collecting and playing module (4), plays back.
2. intelligent vehicle mounted terminal system according to claim 1, is characterized in that:
When described analysis controlling unit (52) obtains driver's demand and is vehicle fault detection, to described OBD data acquisition module (1), send inquiry code;
Described OBD data acquisition module (1) feeds back to described analysis controlling unit (52) by OBD data-signal after receiving inquiry code, described analysis controlling unit (52) is resolved OBD data-signal, and then obtain motor vehicle running state information, and fed back to described voice recognition unit (51);
Described voice recognition unit (51) converts the motor vehicle running state information of reception to motor vehicle running status audio signal, by described voice collecting and playing module (4), plays back.
3. intelligent vehicle mounted terminal system according to claim 1 and 2, is characterized in that:
Described core processing module (5) also comprises Voice Navigation setting unit (53), for controlling navigation positional device, navigation purpose ground is set;
When described analysis controlling unit (52) obtains driver's demand when obtaining navigator fix information, start described Voice Navigation setting unit (53) and control navigation positional device, according to driver's demand, navigation purpose ground is set; Afterwards from described navigation information acquisition module (2) obtain with navigation purpose the navigator fix information that adapts, and fed back to described voice recognition unit (51);
Described voice recognition unit (51) converts the navigator fix information of reception to navigator fix audio signal, by described voice collecting and playing module (4), plays back.
4. according to the arbitrary described intelligent vehicle mounted terminal system of claim 1-3, it is characterized in that:
Described analysis controlling unit (52) obtains driver's demand when obtaining network service, to described network information acquisition module (3), sends network service request;
Described network information acquisition module (3) receives after network service request, the information of network service adapting with driver's demand that receives that interconnection device provides, and fed back to described voice recognition unit (51);
Described voice recognition unit (51) converts the information of network service of reception to network service audio signal, by described voice collecting and playing module (4), plays back.
5. according to the arbitrary described intelligent vehicle mounted terminal system of claim 1-4, it is characterized in that:
Described core processing module (5) also comprises memory cell (54), for storing data information;
When described analysis controlling unit (52) can obtain the data message adapting with driver's demand from described memory cell (54), fed back to described voice recognition unit (51); Described voice recognition unit (51) converts the data message adapting with driver's demand receiving to adapt with driver's demand data audio signal, by described voice collecting and playing module (4), plays back;
When described analysis controlling unit (52) can not obtain the data message adapting with driver's demand from described memory cell (54), to described network information acquisition module (3), send network service request; Described network information acquisition module (3) receives after network service request, the information of network service adapting with driver's demand that receives that interconnection device provides, and fed back to described voice recognition unit (51); Described voice recognition unit (51) converts the information of network service of reception to network service audio signal, by described voice collecting and playing module (4), plays back.
6. according to the arbitrary described intelligent vehicle mounted terminal system of claim 1-5, it is characterized in that:
Described core processing module (5) also comprises prewarning unit (55), for controlling prior-warning device, carries out early warning;
After described analysis controlling unit (52) is resolved OBD data-signal, obtaining motor vehicle running state information is that motor vehicle operation occurs extremely, starts described prewarning unit (55) control prior-warning device and carries out early warning.
7. according to the arbitrary described intelligent vehicle mounted terminal system of claim 1-6, it is characterized in that, also comprise:
Cloud computing networking module (6), for making described voice recognition unit (51) obtain cloud computing service by interconnection device;
Described core processing module (5) also comprises speech recognition judging unit (56), for the voice recognition information of obtaining from described voice recognition unit (51) is analyzed, judge that whether it is accurate, and judged result is fed back to described voice recognition unit (51);
When described speech recognition judging unit (56) judgement voice recognition information is accurate, described voice recognition unit (51) transfers to described analysis controlling unit (52) by voice recognition information;
When described speech recognition judging unit (56) judgement voice recognition information is inaccurate, described voice recognition unit (51) sends cloud computing service request to described cloud computing networking module (6), described cloud computing networking module (6) receives after cloud computing service request, by interconnection device, make described voice recognition unit (51) obtain cloud computing service, to its speech recognition, provide cloud computing support, the voice recognition information after described voice recognition unit (51) is processed cloud computing transfers to described analysis controlling unit (52).
8. according to the arbitrary described intelligent vehicle mounted terminal system of claim 1-7, it is characterized in that, also comprise:
Information transmission modular (7), for the vehicle data information of obtaining from described navigation information acquisition module (2) to car networking transmission by interconnection device, described vehicle data information comprises longitude and latitude of living in, travel direction and speed.
9. according to the arbitrary described intelligent vehicle mounted terminal system of claim 1-8, it is characterized in that, also comprise:
OBD data outputting module (8), for transmitting to car networking or 4S shop the OBD data-signal obtaining from described OBD data acquisition module (1) by interconnection device.
10. according to the arbitrary described intelligent vehicle mounted terminal system of claim 1-9, it is characterized in that, also comprise:
Input and display module (9), for input driver's demand to described analysis controlling unit (52), and the information adapting with driver's demand that shows that described analysis controlling unit (52) provides.
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