CN105528358B - Track of vehicle inquiry system and querying method - Google Patents
Track of vehicle inquiry system and querying method Download PDFInfo
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Abstract
The present invention provides a kind of inquiry system of track of vehicle and querying methods, comprising steps of user voice is converted to digital audio and video signals by voice input module, keyword-extraction module carries out keyword match and extraction to digital audio and video signals according to current speech library, keyword is sent to position enquiring module when receiving the keyword for meeting pre-provisioning request by syntax Analysis Module, position enquiring module transfers corresponding position data according to keyword from memory module, trajectory analysis module obtains corresponding text information after being analyzed and processed to the position data received, text information is synthesized the first prompt tone by voice synthetic module, and pass through second communication module, first communication module is sent to voice output module, and the first prompt tone is broadcasted by voice output module.Inquiry system and querying method of the invention alleviates the fatigue that the eyes and hand of user when inquiring track of vehicle generate, and further increases search efficiency, query accuracy and versatility.
Description
Technical field
The present invention relates to vehicle supervision fields, more specifically to a kind of track of vehicle inquiry system and querying method.
Background technique
In vehicle supervision field, vehicle positioning system system is had been widely used, especially to vehicle
The inquiry of historical position (multiple positions also constitute track).With the fast lifting of network speed, enquiry frequency is higher and higher, information
It measures increasing.Therefore, the workload to exercise supervision to behaviors such as the violations violating the regulations of vehicle operation increased dramatically.For example, right
When the track of vehicle is played back, if track plays back point by point, playback speed is slow, the time is long, and search efficiency is also low, and if
Complete track is disposably drawn on map without trace playback, then is difficult to user's (mainly monitoring personnel)
Distinguish actual operating path.In the case that situation listed above and other, be all easy to cause the eyes of user and hand to produce
Raw fatigue.
Therefore, a kind of track of vehicle inquiry system and method are needed, to mitigate when frequently being inquired track of vehicle
Fatigue caused by the eyes and hand of user.
Summary of the invention
The technical problem to be solved in the present invention is that for track of vehicle inquiry system and method in the prior art, into
It is easy to cause the eye of staff and hand to lead to the problem of fatigue when the inquiry of row frequent track, how to provide one kind can reduce use
The track of vehicle inquiry system and querying method of the fatigue of the eyes and hand at family.
In order to solve the above technical problems, the present invention provides a kind of inquiry system of track of vehicle, including terminal and inquiry are put down
Platform, terminal include voice input module, voice output module and first communication module, and searching platform includes memory module, key
Word extraction module, syntax Analysis Module, position enquiring module, trajectory analysis module, voice synthetic module and second communication module,
It is communicated to connect between first communication module and second communication module, in which:
Memory module is used to store the position data of vehicle, and position data is preparatory by the position data acquisition system of peripheral hardware
Ground acquisition is uploaded and is stored into memory module, and position data includes at least temporal information, information of vehicles and location information,
Location information includes at least latitude and longitude information；
Voice input module is used to acquire user voice and user voice is converted to digital audio and video signals after treatment,
And keyword-extraction module is sent to by first communication module, second communication module；
Keyword-extraction module is used to carry out keyword match and extraction to digital audio and video signals according to current speech library, and
The querying command keyword extracted and inquiry content-keyword are sent to syntax Analysis Module；Wherein, content is inquired at least
Including vehicle, time or geographical location；
Syntax Analysis Module is used for when receiving the keyword for meeting pre-provisioning request, and keyword is sent to position enquiring
Module meets pre-provisioning request and refers to that keyword includes one in time-critical word and position keyword, and including querying command
Keyword and vehicle keyword；
Position enquiring module from memory module for transferring corresponding position data according to keyword and being sent to track
Analysis module；
Trajectory analysis module is for obtaining the corresponding at least expression time after being analyzed and processed to the position data received
Or the text information in geographical location, and text information is sent to voice synthetic module；
Voice synthetic module is used to synthesize text information the first prompt tone, and is led to by second communication module, first
Letter module is sent to voice output module；
Voice output module is for broadcasting the first prompt tone.
Preferably, in inquiry system of the present invention, under the premise of extracting querying command keyword, grammer point
Analysis module is also used to:
When keyword is unsatisfactory for pre-provisioning request, keep voice synthetic module synthesis corresponding according to the keyword situation lacked
Second prompt tone, and voice output module is made to broadcast corresponding second prompt tone, so that the specified inquiry content lacked of user；?
When keyword meets pre-provisioning request, make voice output module casting third prompt tone whether just to inquire the content of user query
Really；
Terminal further includes confirmation module, for being looked into according to the third prompt tone of casting what position enquiry module was analyzed
It askes content to add their confirmation or deny, and when user denies the inquiry content analyzed, makes syntax Analysis Module again
It is matched and is retrieved.
Preferably, in inquiry system of the present invention, searching platform further includes location information conversion module, position letter
When breath conversion module is not for including the information in geographical location in the position data of vehicle, according to electronic map data by longitude and latitude
Degree information is converted to the information in geographical location.
Preferably, in inquiry system of the present invention, searching platform further includes sound bank scheduler module, sound bank tune
Spend module be used for when the continuous n times of confirmation module deny the inquiry content analyzed, by multiple Alternative voice libraries according to
It is secondary be switched to current speech library after re-start matching and retrieval, until the inquiry content for being matched to keyword and analyzing obtains
The primary confirmation of confirmation module；Wherein, N is greater than or equal to 2.
It preferably, is wireless in inquiry system of the present invention, between first communication module and second communication module
Communication connection.
The present invention also provides a kind of querying methods of track of vehicle, comprising the following steps:
S1: after user voice is converted to digital audio and video signals after treatment by voice input module, pass through the first communication
Digital audio and video signals are sent to keyword-extraction module by module, second communication module；
S2: keyword-extraction module carries out keyword match and extraction to digital audio and video signals according to current speech library, and
The querying command keyword extracted and inquiry content-keyword are sent to syntax Analysis Module；
S3: syntax Analysis Module is sent to position enquiring when receiving the keyword for meeting pre-provisioning request, by keyword
Module；Position enquiring module transfers corresponding position data from memory module according to keyword and is sent to trajectory analysis mould
Block；
S4: trajectory analysis module obtained after being analyzed and processed to the position data received it is corresponding at least indicate the time or
The text information in geographical location, and text information is sent to voice synthetic module；
S5: text information is synthesized the first prompt tone by voice synthetic module, and passes through second communication module, the first communication
Module is sent to voice output module；
S6: voice output module broadcasts the first prompt tone；
Wherein, position data is acquired, uploads and is stored into memory module in advance by position data acquisition system,
Including at least temporal information, information of vehicles and location information, location information includes at least latitude and longitude information；Inquiry content is at least wrapped
Include vehicle, time or geographical location；Meet pre-provisioning request and refers to that keyword includes one in time-critical word and position keyword
It is a, and including querying command keyword and vehicle keyword.
Preferably, in querying method of the present invention, the step S1, which is further comprised the steps of:, is extracting querying command
Under the premise of keyword,
If keyword is unsatisfactory for pre-provisioning request, syntax Analysis Module makes speech synthesis mould according to the keyword situation lacked
Block synthesizes corresponding second prompt tone, and voice output module is made to broadcast corresponding second prompt tone, lacks so that user is specified
Inquiry content；
If keyword meets pre-provisioning request, syntax Analysis Module makes voice output module casting third prompt tone to inquire
Whether the content of user query is correct；The confirmation module of terminal also according to casting third prompt tone, to position enquiry module institute
The inquiry content analyzed adds their confirmation or denies, when user denies the inquiry content analyzed, syntactic analysis mould
Block re-starts matching and retrieval.
Preferably, it in querying method of the present invention, further comprises the steps of: and does not include ground in the position data of vehicle
When managing the information of position, latitude and longitude information is converted to the letter in geographical location according to electronic map data by location information conversion module
Breath.
Preferably, it in querying method of the present invention, further comprises the steps of: in the continuous n times of confirmation module to being analyzed
When inquiry content out is denied, multiple Alternative voice libraries are successively switched to behind current speech library again by sound bank scheduler module
It is newly matched and is retrieved, until the inquiry content for being matched to keyword and analyzing is confirmed the confirmation of module；Wherein, N
More than or equal to 2.
It preferably, is wireless in querying method of the present invention, between first communication module and second communication module
Communication connection.
The eyes and hand that inquiry system and querying method of the invention alleviates user when inquiring track of vehicle produce
Raw fatigue, and further increase search efficiency, query accuracy and versatility.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural block diagram of the inquiry system of first preferred embodiment of the invention.
Fig. 2 is the flow chart of the querying method of first preferred embodiment of the invention.
Fig. 3 is the structural block diagram of the inquiry system of second preferred embodiment of the invention.
Fig. 4 is the flow chart of the querying method of second preferred embodiment of the invention.
Fig. 5 is the structural block diagram of the inquiry system of third preferred embodiment of the invention.
Fig. 6 is the flow chart of the querying method of third preferred embodiment of the invention.
Fig. 7 is the structural block diagram of the inquiry system of four preferred embodiment of the invention.
Specific embodiment
In order to which the purpose of the present invention is more clearly understood, with reference to the accompanying drawings and embodiments, the present invention is carried out into one
Step is described in detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit this hair
It is bright.
Now in conjunction with refering to fig. 1 and Fig. 2 first preferred embodiment that the present invention will be described in detail.The inquiry system packet of the present embodiment
Include terminal and searching platform.Wherein, terminal includes voice input module 11, voice output module 12 and first communication module 10.
Voice input module 11 is for acquiring user voice and user voice being converted to digital audio and video signals, such as its after treatment
It can be the equipment such as microphone.Voice output module 12 can broadcast various prompt tones, such as it can be the equipment such as loudspeaker.Inquiry
Platform includes memory module 26, keyword-extraction module 21, syntax Analysis Module 22, position enquiring module 23, trajectory analysis mould
Block 24 and voice synthetic module 25.
Wherein, memory module 26 is used to store the position data of vehicle, and position data is the position data acquisition by peripheral hardware
System is acquired in advance, is uploaded and stores into memory module 26, position data include at least temporal information, information of vehicles and
Location information, and location information includes at least latitude and longitude information, sometimes further includes geographical location according to the difference of acquisition system
Information.So-called geographical location information refers to the locative information that people can intuitively understand, such as certain city area road
Section etc., the difference with longitude and latitude is, people are difficult to judge the specific location of vehicle according to latitude and longitude information, and according to geography
Location information then can intuitively, specifically judge the position of vehicle.Corresponding pass between latitude and longitude information and geographical location information
System is a part of electronic map, which can be surveyed and drawn in advance by plotting board, be collected.Some acquisition system institutes
The position data of acquisition is also possible to further comprise the information such as driver, car speed, vehicle-state, alert state.
Keyword-extraction module 21 is used to carry out keyword match and extraction to digital audio and video signals according to current speech library,
And the querying command keyword extracted and inquiry content-keyword are sent to syntax Analysis Module 22.
Syntax Analysis Module 22 is used for when receiving the keyword for meeting pre-provisioning request, and keyword is sent to position and is looked into
Ask module 23.
Position enquiring module 23 from memory module 26 for transferring corresponding position data according to keyword and being sent to
Trajectory analysis module 24.
Trajectory analysis module 24 for indicated after being analyzed and processed to the position data received accordingly the time or
The text information in geographical location, and text information is sent to voice synthetic module 25.
Voice synthetic module 25 is used to text information synthesizing the first prompt tone.
Wherein, position data is acquired, uploaded and stored in advance into memory module 26 by position data acquisition system
, temporal information, information of vehicles and location information are included at least, location information includes at least latitude and longitude information；Inquire content extremely
It less include vehicle, time or geographical location；Meet pre-provisioning request and refers to that keyword includes in time-critical word and position keyword
One, and including querying command keyword and vehicle keyword.
Wherein, it is communicated to connect between first communication module 10 and second communication module 20, they are mainly used for terminal and look into
Ask the communication between platform.For example, voice input module 11 can will be converted by first communication module 10, second communication module 20
Digital audio and video signals afterwards are sent to keyword-extraction module 21, and voice synthetic module 25 can pass through second communication module 20,
First prompt tone of one communication module 10 synthesis is sent to voice output module 12.
Preferably, between first communication module 10 and second communication module 20 for wireless communication connection, such as with bluetooth,
The communications such as WIFI, 433MHz are connected, and are may make in this way with not facing or even when far from display screen, can still facilitate
Ground carries out human-computer interaction.In other some embodiments, can also be between first communication module 10 and second communication module 20
Wired communication mode.
As shown in Fig. 2, the querying method of the present embodiment comprising steps of
S1: logical by first after user voice is converted to digital audio and video signals after treatment by voice input module 11
Digital audio and video signals are sent to keyword-extraction module 21 by letter module 10, second communication module 20.Wherein, have in user voice
The part of practical significance mainly includes querying command and inquiry content.Querying command can be such as " inquiry ", " looking at ", " accuse
Tell " and " finding out ", or " which ", " where " etc. may be used to indicate the voice that system is inquired, inquiry content can be for example
" A00001 vehicle ", " 12 points 45 minutes ", " morning ", " position ", " track ", " Mr. Wang master worker " etc. may point to the position of vehicle
The voice of data.When the time being queried is a period, these inquiry content-keywords may also include condition keyword,
Such as " from ", " to " may point to be made of multiple position datas to form a period with two times according to the period
Track data.It is first converted into after being converted after these querying commands and inquiry content input voice input module 11 by acoustic-electric
Analog electrical signal, using after analog-to-digital conversion become digital audio and video signals.
S2: keyword-extraction module 21 carries out keyword match and extraction to digital audio and video signals according to current speech library,
And the querying command keyword extracted and inquiry content-keyword are sent to syntax Analysis Module 22.Comprising each in sound bank
Corresponding relationship between voice signal and keyword.The keyword-extraction module 21 of speech recognition engine can be according to current speech library
Digital audio and video signals are matched, to be come out the keyword extraction after matching whole keywords and be sent to syntactic analysis
Module 22.Of course, it can also match sometimes less than keyword, keyword is defaulted as being default at this time.
S3: keyword is sent to position and looked by syntax Analysis Module 22 when receiving the keyword for meeting pre-provisioning request
Ask module 23；Position enquiring module 23 transfers corresponding position data from memory module 26 according to keyword and is sent to track
Analysis module 24.Meet pre-provisioning request and refer to that keyword includes one in time-critical word and position keyword, and including looking into
Ask command keyword and vehicle keyword.When matching is less than keyword, it is clear that do not meet pre-provisioning request.Why carry out in this way
Setting, be primarily due to the time and position be it is one-to-one, if obtaining time-critical word and position keyword simultaneously,
It is likely to generate the case where inquiry is less than related data.Obtain the key word of the inquiry then mainly preliminary meaning for confirming user and having inquiry
Figure.And when obtaining time-critical word or position keyword, it is also necessary to which other information could be directed toward specific, useful positional number
According to such as in addition combined with information of vehicles.
For example, can then transfer " vehicle " according to " A00001 vehicle ", " 45 minutes ", " position " at 12 points is A00001 vehicle, " time "
The information in geographical location corresponding to the position data for 12 points of 45 minutes vehicles, such as " Zhongshan city Zhongshan Road ".Thus
The information in the geographical location that user to be inquired is arrived.In other some embodiments, these information can also be that track is believed
Breath, i.e., the combination (being in general sequence combination in chronological sequence) of multiple geographical location information, such as when inquiry content is closed
When key word is " morning ", " track ", " Mr. Wang master worker ", then can inquire driver information is " Mr. Wang master worker " and time letter
It ceases for four location informations corresponding to " 8 a.m. ", " at 9 points in the morning ", " at 10 points in the morning ", " at 11 points in the morning ".Certainly, it is inquiring
When track, the information in geographical location corresponding to representative location point can also be otherwise chosen, such as above-mentioned " on
9 points of the noon " is identical with the information in geographical location corresponding to " at 10 points in the morning ", then can omit ground corresponding to " at 9 points in the morning "
Manage the information of position.
S4: trajectory analysis module 24 is indicated time or ground after being analyzed and processed to the position data received accordingly
The text information of position is managed, and text information is sent to voice synthetic module 25.These information are with the text shape after simplifying
Formula output, in order to which voice synthetic module 5 matches corresponding first prompt tone in sound bank, such as basis " A00001 vehicle ",
The information of " 12 points 45 minutes ", " Zhongshan city Zhongshan Road ", then exportable " 12 points of 45 minutes parking stalls A00001 are in Zhongshan city Zhongshan Road "
Text information.When carrying out track behavioural analysis, can not only analyze to obtain above-mentioned relative straightforward as a result, can also be to relevant vehicle
Position data in information statisticallyd analyze to a certain degree, and obtain corresponding statistic analysis result, such as analyze
The most of the time in the A00001 vehicle morning is located at which area etc..
In other some embodiments, the position data of these vehicles may also include driver, car speed, vehicle sometimes
State, alert state, geographical location etc. information.At this point, 12 points of A00001 vehicle 45 minutes are inquired at Zhongshan city Zhongshan Road,
In addition to can be obtained " A00001 vehicle ", " 12 points 45 minutes ", " Zhongshan city Zhongshan Road " text information other than, also available such as " speed
The text informations such as 50 kilometer per seconds ", " driver Mr. Wang master worker ".
S5: text information is synthesized the first prompt tone by voice synthetic module 25, and passes through second communication module 20, first
Communication module 10 is sent to voice output module 12.Text information is synthesized according to certain grammer by voice synthetic module 25
One prompt tone.User has obtained query result when hearing first prompt tone.In other some embodiments, user is also
It can be used confirmation module when hearing first prompt tone, confirmed or denied；When confirmation, that is, successfully completes and once look into
It askes；When denying, again return to be inquired.
S6: voice output module 12 broadcasts the first prompt tone.For example, voice synthetic module 5 is according to obtained text information
" 12 points of 45 minutes parking stalls A00001 are in Zhongshan city Zhongshan Road " matching in sound bank obtains corresponding with the text information first
Prompt tone, and first prompt tone is sent to voice output module 5, so that voice output module 5 is played first prompt tone, uses
Family has obtained the information of desired inquiry when hearing the casting.
Of course, can also add a mode selection module, with for when being inquired, also first speech pattern or its
It is selected between his mode, then opens voice input module 11 when selecting speech pattern.It can make speech polling mould in this way
Other compatible general query patterns of formula, such as the mode of keyboard input panel output.
The inquiry system of the present embodiment and querying method are inputted, in a manner of voice broadcast in which can be convenient by voice as a result,
Vehicle is monitored, thus eyes-free eyeball carries out long-time monitoring and manual operation to vehicle, greatly alleviates and mitigates
The fatigue of eyes of user and hand.
Now in conjunction with refering to Fig. 3 and Fig. 4 the second preferred embodiment that the present invention will be described in detail.On the basis of first embodiment
On, in the inquiry system of the present embodiment, syntax Analysis Module 22 is also used to: when keyword is unsatisfactory for pre-provisioning request, according to
The keyword situation lacked makes voice synthetic module 25 synthesize corresponding first prompt tone, and voice output module 12 is made to broadcast phase
The second prompt tone answered, so that the specified inquiry content lacked of user and/or querying command；Meet pre-provisioning request in keyword
When, so that voice output module 12 is broadcasted third prompt tone whether correct with the content for inquiring user query.
The terminal of the inquiry system of the present embodiment further comprises confirmation module 13.Wherein, confirmation module 13 are used for basis
The third prompt tone of casting, the inquiry content analyzed to position enquiry module 23 add their confirmation or deny, and in user couple
When the inquiry content analyzed is denied, syntax Analysis Module 22 is made to re-start matching and retrieval.
On the basis of first embodiment, if the step 1 of the querying method of the present embodiment further comprises the steps of: keyword and is discontented with
Sufficient pre-provisioning request, then syntax Analysis Module 22 makes voice synthetic module 25 synthesize corresponding second according to the keyword situation lacked
Prompt tone, and voice output module 12 is made to broadcast corresponding second prompt tone, so that the specified inquiry content lacked of user；If closing
Key word meets pre-provisioning request, then syntax Analysis Module 22 makes voice output module 12 broadcast third prompt tone to inquire user query
Content it is whether correct；The confirmation module 13 of terminal analyzes position enquiry module 23 also according to the third prompt tone of casting
Inquiry content out adds their confirmation or denies, when user denies the inquiry content analyzed, syntax Analysis Module 22
Re-start matching and retrieval.
Second prompt tone and third prompt tone, which can be simple prompt tone or suggestion voice or other, has prompt function
The sound of energy.In the present embodiment, it is to be output by voice module 5 to broadcast the second prompt tone, such as " inquiry life please be re-enter
Enable ", " please re-enter inquiry content " etc. prompt user to re-enter.It, can be in other some preferred embodiments
Other modes remind user to re-enter, and such as remind the user to re-enter querying command by buzzer that buzzer issues
Or inquiry content.Casting third prompt tone is then mainly used for whether just inquiring the keyword that is analyzed of user inquiring system
Really, such as third prompt tone or to be the suggestion voice such as " A0002 vehicle --- 12 points of --- position --- PLSCONFMs in 45 minutes " etc.
When answering the inquiry of inquiry system, at least there are two options by user, that is, confirm and deny.When denying, position enquiring module
23 prompt users re-enter inquiry content.When user is intended to 12 points of 45 minutes positions of A0001 vehicle are inquired, if third prompt tone
For " inquiring 12 points of 45 minutes positions of A0001 vehicle? " when, user can confirm the inquiry content；And it broadcasts and " whether looks into
Ask 12 points of 45 minutes positions of A0002 vehicle? " when, user can deny the inquiry content.
Compared with first embodiment, the inquiry system of the present embodiment and querying method can be imperfect in key word of the inquiry
When prompt user re-enter, and while re-entering, does not need to input the keyword identified again；And make before inquiry
User can confirm or deny, avoid obtaining the query result of mistake, therefore being able to use family can be more acurrate, more efficient
Ground is inquired.
Now in conjunction with refering to Fig. 5 and Fig. 6 third preferred embodiment that the present invention will be described in detail.On the basis of second embodiment
On, the searching platform of the inquiry system of the present embodiment further comprises location information conversion module 27.Wherein, location information is converted
When module 27 is not for including the information in geographical location in the position data of vehicle, longitude and latitude is believed according to electronic map data
Breath is converted to the information in geographical location.For users, latitude and longitude information is accurate but useless, because even user is told to pass through
The information user of latitude is also less likely have specific cognition to the latitude and longitude information.Therefore the information in geographical location is to user's
Be important, these geographical locations preferably can specific to street, or even can specific to be located at street a certain specific section
It is upper etc.
Correspondingly, it does not include geographical location that the querying method of the present embodiment, which further comprises the steps of: in the position data of vehicle,
Information when, latitude and longitude information is converted to the information in geographical location according to electronic map data by location information conversion module 27.
By the way that location information conversion module 27 is arranged, so that inquiry system and querying method of the invention can be adapted for various acquisition systems
It unites position data collected, i.e., versatility is high.
Now in conjunction with refering to Fig. 7 third preferred embodiment that the present invention will be described in detail.On the basis of 3rd embodiment, this reality
The searching platform for applying the inquiry system of example further comprises sound bank scheduler module 28.Wherein, sound bank scheduler module 28 is used for
When confirmation module 13 twice in succession or more than twice denies the inquiry content analyzed, by multiple Alternative voice libraries
Matching and retrieval are re-started after being successively switched to current speech library, until the inquiry content for being matched to keyword and analyzing obtains
To the primary confirmation of confirmation module 13.When user by the continuous n times of confirmation module 13 the inquiry content analyzed is given it is no
When recognizing, then it is reasonable that being likely to language or dialect used by a user and current sound bank mismatch, and then need
Switch sound bank.Wherein, N is greater than or equal to 2.
Correspondingly, the querying method of the present embodiment, which is further comprised the steps of:, looks into the continuous n times of confirmation module 13 what is analyzed
Content is ask when being denied, sound bank scheduler module 28 by multiple Alternative voice libraries be successively switched to behind current speech library again into
Row matching and retrieval, until the inquiry content for being matched to keyword and analyzing is confirmed the confirmation of module 13.
By the way that sound bank scheduler module 28 is arranged, enable inquiry system and querying method of the invention in various language
It is masterly under environment, be not user repeatedly deny after still carry out mistake inquiry.
In conclusion inquiry system and querying method of the invention alleviates the eye of user when inquiring track of vehicle
The fatigue that eyeball and hand generate, and further increase search efficiency, query accuracy and versatility.
The above is merely preferred embodiments of the present invention, done within the spirit and principles of the present invention any to repair
Change, equivalent replacement and improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of inquiry system of track of vehicle, which is characterized in that including terminal and searching platform, terminal includes voice input mould
Block (11), voice output module (12) and first communication module (10), searching platform include memory module (26), keyword extraction
Module (21), syntax Analysis Module (22), position enquiring module (23), trajectory analysis module (24), voice synthetic module (25)
And second communication module (20), it is communicated to connect between first communication module (10) and second communication module (20), in which:
Memory module (26) is used to store the position data of vehicle, and position data is preparatory by the position data acquisition system of peripheral hardware
Ground acquisition is uploaded and is stored into memory module (26), and position data includes at least temporal information, information of vehicles and position letter
Breath, location information include at least latitude and longitude information；
Voice input module (11) is used to acquire user voice and user voice is converted to digital audio and video signals after treatment,
And keyword-extraction module (21) are sent to by first communication module (10), second communication module (20)；
Keyword-extraction module (21) is used to carry out keyword match and extraction to digital audio and video signals according to current speech library, and
The querying command keyword extracted and inquiry content-keyword are sent to syntax Analysis Module (22)；Wherein, content is inquired
Including at least vehicle, time or geographical location；
Syntax Analysis Module (22) is used for when receiving the keyword for meeting pre-provisioning request, and keyword is sent to position enquiring
Module (23) meets pre-provisioning request and refers to that keyword includes one in time-critical word and position keyword, and including inquiry
Command keyword and vehicle keyword；
Position enquiring module (23) is for transferring corresponding position data from memory module (26) according to keyword and being sent to
Trajectory analysis module (24)；
Trajectory analysis module (24) is for obtaining the corresponding at least expression time after being analyzed and processed to the position data received
Or the text information in geographical location, and text information is sent to voice synthetic module (25)；
Voice synthetic module (25) is used to text information synthesizing the first prompt tone, and passes through second communication module (20), the
One communication module (10) is sent to voice output module (12)；
Voice output module (12) is for broadcasting the first prompt tone；
Under the premise of extracting querying command keyword, syntax Analysis Module (22) is also used to:
When keyword is unsatisfactory for pre-provisioning request, keep voice synthetic module (25) synthesis corresponding according to the keyword situation lacked
Second prompt tone, and voice output module (12) is made to broadcast corresponding second prompt tone, so that in the specified inquiry lacked of user
Hold；When keyword meets pre-provisioning request, make voice output module (12) casting third prompt tone to inquire in user query
Whether correct hold；
Terminal further includes confirmation module (13), for being analyzed according to the third prompt tone of casting to position enquiry module (23)
Inquiry content add their confirmation or deny, and when user denies the inquiry content analyzed, make syntax Analysis Module
(22) matching and retrieval are re-started.
2. inquiry system as claimed in claim 1, which is characterized in that searching platform further includes location information conversion module (27), position
When setting info conversion module (27) for not including the information in geographical location in the position data of vehicle, according to electronic map number
According to the information that latitude and longitude information is converted to geographical location.
3. inquiry system as claimed in claim 2, which is characterized in that searching platform further includes sound bank scheduler module (28), voice
Library scheduler module (28) is used for when the continuous n times of confirmation module (13) deny the inquiry content analyzed, will be multiple
Alternative voice library re-starts matching and retrieval after being successively switched to current speech library, until being matched to keyword and analyzing
Inquiry content is confirmed the primary confirmation of module (13)；Wherein, N is greater than or equal to 2.
4. inquiry system as claimed in claim 3, which is characterized in that between first communication module (10) and second communication module (20)
For wireless communication connection.
5. a kind of querying method of track of vehicle, which comprises the following steps:
S1: after user voice is converted to digital audio and video signals after treatment by voice input module (11), pass through the first communication
Digital audio and video signals are sent to keyword-extraction module (21) by module (10), second communication module (20)；
S2: keyword-extraction module (21) carries out keyword match and extraction to digital audio and video signals according to current speech library, and
The querying command keyword extracted and inquiry content-keyword are sent to syntax Analysis Module (22)；
S3: keyword is sent to position enquiring when receiving the keyword for meeting pre-provisioning request by syntax Analysis Module (22)
Module (23)；Position enquiring module (23) is transferred corresponding position data from memory module (26) according to keyword and is sent to
Trajectory analysis module (24)；
S4: trajectory analysis module (24) obtained after being analyzed and processed to the position data received it is corresponding at least indicate the time or
The text information in geographical location, and text information is sent to voice synthetic module (25)；
S5: text information is synthesized the first prompt tone by voice synthetic module (25), and passes through second communication module (20), first
Communication module (10) is sent to voice output module (12)；
S6: voice output module (12) broadcasts the first prompt tone；
Wherein, position data is acquired, uploads and is stored in advance by position data acquisition system into memory module (26),
Including at least temporal information, information of vehicles and location information, location information includes at least latitude and longitude information；Inquiry content is at least wrapped
Include vehicle, time or geographical location；Meet pre-provisioning request and refers to that keyword includes one in time-critical word and position keyword
It is a, and including querying command keyword and vehicle keyword；
The step S1 is further comprised the steps of: under the premise of extracting querying command keyword,
If keyword is unsatisfactory for pre-provisioning request, syntax Analysis Module (22) makes speech synthesis mould according to the keyword situation lacked
Block (25) synthesizes corresponding second prompt tone, and voice output module (12) is made to broadcast corresponding second prompt tone, so that user
The specified inquiry content lacked；
If keyword meets pre-provisioning request, syntax Analysis Module (22) make voice output module (12) casting third prompt tone with
Inquire whether the content of user query is correct；The confirmation module (13) of terminal looks into position also according to the third prompt tone of casting
It askes the inquiry content that module (23) are analyzed to add their confirmation or deny, when user denies the inquiry content analyzed
When, syntax Analysis Module (22) re-starts matching and retrieval.
6. querying method as claimed in claim 5, which is characterized in that further comprise the steps of: and do not wrapped in the position data of vehicle
When including the information in geographical location, latitude and longitude information is converted to geography according to electronic map data by location information conversion module (27)
The information of position.
7. querying method as claimed in claim 6, which is characterized in that further comprise the steps of: in the continuous n times pair of confirmation module (13)
When the inquiry content analyzed is denied, multiple Alternative voice libraries are successively switched to currently by sound bank scheduler module (28)
Matching and retrieval are re-started after sound bank, until the inquiry content for being matched to keyword and analyzing is confirmed module (13)
Confirmation；Wherein, N is greater than or equal to 2.
8. querying method as claimed in claim 7, which is characterized in that first communication module (10) and second communication module (20)
Between for wireless communication connection.
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| CN107229680A (en) * | 2017-05-08 | 2017-10-03 | 武汉依迅北斗空间技术有限公司 | A kind of slag-soil truck violation operation retroactive method and system |
| CN108959647A (en) * | 2018-08-01 | 2018-12-07 | 北京新能源汽车股份有限公司 | A kind of querying method, device, controller and the automobile of automobile help information |
| CN111145385A (en) * | 2019-12-19 | 2020-05-12 | 广州航天海特系统工程有限公司 | Method, device, equipment and storage medium for displaying vehicle running condition |
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