CN104842869A - Voice warning method and system of electric automobile and electric automobile - Google Patents
Voice warning method and system of electric automobile and electric automobile Download PDFInfo
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Abstract
The invention discloses a voice warning system of an electric automobile. The voice warning system of the electric automobile comprises a sound factor fuzzy analysis device, a digital-to-analogue conversion device, a signal amplification device and a voice warning device. The sound factor fuzzy analysis device is used for acquiring a first fuzzy variable according to a vehicle speed signal and a second fuzzy variable according to an accelerator pedal opening signal, acquiring a third fuzzy variable according to the first fuzzy variable, the second fuzzy variable and a preset fuzzy control rule, and calling a first subordinating degree function corresponding to the first fuzzy variable, a second subordinating degree function corresponding to the second fuzzy variable and a third subordinating degree function corresponding to the third fuzzy variable to output sound factors. The digital-to-analogue conversion device is used for converting digital signals corresponding to the sound factors to be analogue signals. The signal amplification device is used for amplifying the analogue signals. The voice warning device is used for emitting voice warning information according to the amplified analogue signals. The voice warning system can correctly output voice warnings and guarantee the safety of pedestrians. The invention further discloses a voice warning method of the electric automobile and the electric automobile.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly a kind of phonetic warning system of electronlmobil, a kind of phonetic warning method of electronlmobil and a kind of electronlmobil with this phonetic warning system.
Background technology
Traditional fuel-engined vehicle, due to equipment driving engine, although can produce certain noise, can remind pedestrian in time.And electronlmobil does not have driving engine, and due to the noise of motor less, pedestrian can not be reminded in time in the process of moving, easily cause traffic accident.
Although there is the correlation technique patent much relating to electronlmobil warning sound at present, but all concrete restriction is not made to the technology of how to resolve the sound factor, and how correctly to send in voice message and in the control of voice output size, the equal imperfection of current technology, therefore needs to improve.
Summary of the invention
Object of the present invention is intended at least solve above-mentioned technological deficiency.
For this reason, first object of the present invention is the phonetic warning system proposing a kind of electronlmobil, correctly can export phonetic warning, ensures pedestrains safety.
Second object of the present invention is a kind of phonetic warning method proposing electronlmobil.3rd object of the present invention is to propose a kind of electronlmobil.
For achieving the above object, the phonetic warning system of a kind of electronlmobil that one aspect of the present invention embodiment proposes, comprise: the fuzzy resolver of the sound factor, the fuzzy resolver of the described sound factor is for receiving vehicle speed signal and the Das Gaspedal opening amount signal of described electronlmobil, and obtain the first fuzz variable according to described vehicle speed signal and obtain the second fuzz variable according to described Das Gaspedal opening amount signal, and according to described first fuzz variable, described second fuzz variable and the fuzzy control rule preset obtain the 3rd fuzz variable, and by calling first membership function corresponding with described first fuzz variable, second membership function corresponding with described second fuzz variable and with the 3rd membership function corresponding to described 3rd fuzz variable to export the sound factor, digiverter, described digiverter is connected with the fuzzy resolver of the described sound factor and is converted to analog signal with the digital signal of being answered by described sound factor pair, signal amplifying apparatus, described signal amplifying apparatus is connected to amplify described analog signal with described digiverter, voice warning device, described voice warning device is connected with described signal amplifying apparatus, and described voice warning device sends phonetic warning information according to the analog signal after amplification.
According to the phonetic warning system of the electronlmobil of the embodiment of the present invention, be easy to exactly the posterior infromation of people be quantized by the fuzzy resolver of the sound factor, according to the fuzzy control rule preset and first membership function corresponding with the first fuzz variable called, second membership function corresponding with the second fuzz variable, three membership function corresponding with the 3rd fuzz variable parses the sound factor more accurately, thus can correctly send phonetic warning information, pedestrian can be pointed out exactly, the noise jamming to pedestrian can be avoided again, environmental noise is reduced while ensureing pedestrains safety.
According to one embodiment of present invention, wherein, the codomain that described Das Gaspedal opening amount signal is corresponding is 0 ~ 100%, and described first fuzz variable is { little, in, large }; Codomain corresponding to described vehicle speed signal is 0 ~ 120Km/h, and described second fuzz variable is { low, in, high }; The codomain that described sound factor pair is answered is 0 ~ 1, and described 3rd fuzz variable is { little, less, in, greatly, larger }.
According to one embodiment of present invention, described default fuzzy control rule is: when described first fuzz variable be little and described second fuzz variable is low, described 3rd fuzz variable is little; When described first fuzz variable be little and described second fuzz variable is middle, during described 3rd fuzz variable is; When described first fuzz variable be little and described second fuzz variable is high, described 3rd fuzz variable is larger; When during described first fuzz variable is and described second fuzz variable is low time, described 3rd fuzz variable is less; When during described first fuzz variable is and described second fuzz variable is middle time, during described 3rd fuzz variable is; When during described first fuzz variable is and described second fuzz variable is high time, described 3rd fuzz variable is larger; When described first fuzz variable be large and described second fuzz variable is low, described 3rd fuzz variable is less; When described first fuzz variable be large and described second fuzz variable is middle, described 3rd fuzz variable is larger; When described first fuzz variable be large and described second fuzz variable is high, described 3rd fuzz variable is large.
According to one embodiment of present invention, the fuzzy resolver of the described sound factor obtains the described sound factor by fuzzy control gravity model appoach.
For achieving the above object, the phonetic warning method of a kind of electronlmobil that the present invention's another aspect embodiment proposes, comprises the following steps: the vehicle speed signal and the Das Gaspedal opening amount signal that receive described electronlmobil; Obtain the first fuzz variable according to described vehicle speed signal and obtain the second fuzz variable according to described Das Gaspedal opening amount signal, and obtaining the 3rd fuzz variable according to described first fuzz variable, described second fuzz variable and default fuzzy control rule; By call first membership function corresponding with described first fuzz variable, second membership function corresponding with described second fuzz variable and with the 3rd membership function corresponding to described 3rd fuzz variable to export the sound factor; The digital signal that described sound factor pair is answered is converted to analog signal, and described analog signal is amplified, and send phonetic warning information according to the analog signal after amplifying.
According to the phonetic warning method of the electronlmobil of the embodiment of the present invention, be easy to exactly the posterior infromation of people be quantized, then according to the fuzzy control rule preset and first membership function corresponding with the first fuzz variable called, second membership function corresponding with the second fuzz variable, three membership function corresponding with the 3rd fuzz variable parses the sound factor more accurately, thus can correctly send phonetic warning information, pedestrian can be pointed out exactly, the noise jamming to pedestrian can be avoided again, environmental noise is reduced while ensureing pedestrains safety.
According to one embodiment of present invention, wherein, the codomain that described Das Gaspedal opening amount signal is corresponding is 0 ~ 100%, and described first fuzz variable is { little, in, large }; Codomain corresponding to described vehicle speed signal is 0 ~ 120Km/h, and described second fuzz variable is { low, in, high }; The codomain that described sound factor pair is answered is 0 ~ 1, and described 3rd fuzz variable is { little, less, in, greatly, larger }.
According to one embodiment of present invention, described default fuzzy control rule is: when described first fuzz variable be little and described second fuzz variable is low, described 3rd fuzz variable is little; When described first fuzz variable be little and described second fuzz variable is middle, during described 3rd fuzz variable is; When described first fuzz variable be little and described second fuzz variable is high, described 3rd fuzz variable is larger; When during described first fuzz variable is and described second fuzz variable is low time, described 3rd fuzz variable is less; When during described first fuzz variable is and described second fuzz variable is middle time, during described 3rd fuzz variable is; When during described first fuzz variable is and described second fuzz variable is high time, described 3rd fuzz variable is larger; When described first fuzz variable be large and described second fuzz variable is low, described 3rd fuzz variable is less; When described first fuzz variable be large and described second fuzz variable is middle, described 3rd fuzz variable is larger; When described first fuzz variable be large and described second fuzz variable is high, described 3rd fuzz variable is large.
According to one embodiment of present invention, the described sound factor obtains according to fuzzy control gravity model appoach.
In addition, embodiments of the invention also proposed a kind of electronlmobil, and it comprises the phonetic warning system of above-mentioned electronlmobil.
The electronlmobil of the embodiment of the present invention is easy to be quantized by the posterior infromation of people exactly, then the fuzzy resolver of the sound factor in phonetic warning system is according to the fuzzy control rule preset and first membership function corresponding with the first fuzz variable called, second membership function corresponding with the second fuzz variable, three membership function corresponding with the 3rd fuzz variable parses the sound factor more accurately, thus can correctly send phonetic warning information, pedestrian can be pointed out exactly, the noise jamming to pedestrian can be avoided again, environmental noise is reduced while ensureing pedestrains safety.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the block diagram of the phonetic warning system of electronlmobil according to the embodiment of the present invention;
Fig. 2 is the first membership function schematic diagram according to an embodiment of the invention;
Fig. 3 is the second membership function schematic diagram according to an embodiment of the invention;
Fig. 4 is the 3rd membership function schematic diagram according to an embodiment of the invention;
Fig. 5 is the final Output simulation schematic diagram of the fuzzy resolver of the sound factor according to an embodiment of the invention; And
Fig. 6 is the diagram of circuit of the phonetic warning method of electronlmobil according to the embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The phonetic warning method of the phonetic warning system of the electronlmobil proposed according to the embodiment of the present invention, the electronlmobil with this phonetic warning system and electronlmobil is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the phonetic warning system of electronlmobil according to the embodiment of the present invention.As shown in Figure 1, the phonetic warning system of this electronlmobil comprises: the fuzzy resolver 10 of the sound factor, digiverter 20, signal amplifying apparatus 30 and voice warning device 40.
Wherein, the fuzzy resolver 10 of the sound factor is for receiving vehicle speed signal and the Das Gaspedal opening amount signal of electronlmobil, and obtain the first fuzz variable according to vehicle speed signal and obtain the second fuzz variable according to Das Gaspedal opening amount signal, and according to the first fuzz variable, second fuzz variable and the fuzzy control rule preset obtain the 3rd fuzz variable, and by calling first membership function corresponding with the first fuzz variable, second membership function corresponding with the second fuzz variable and with the 3rd membership function corresponding to the 3rd fuzz variable to export the sound factor.That is, the fuzzy resolver 10 of the sound factor comprises two inputs and incoming signal be vehicle speed signal and Das Gaspedal opening amount signal and an output and output signal is the sound factor.
As shown in Figure 1, digiverter 20 is connected with the fuzzy resolver 10 of the sound factor and is converted to analog signal with the digital signal of being answered by sound factor pair, signal amplifying apparatus 30 is connected to amplify analog signal with digiverter 20, voice warning device 40 is connected with signal amplifying apparatus 30, and voice warning device 40 sends phonetic warning information according to the analog signal after amplification.
Wherein, according to one embodiment of present invention, the codomain that an incoming signal Das Gaspedal opening amount signal of the fuzzy resolver of the sound factor 10 is corresponding is 0 ~ 100%, first fuzz variable is { little, in, greatly }, correspondingly, the first membership function of calling of the fuzzy resolver 10 of the sound factor as shown in Figure 2.
The codomain that another incoming signal vehicle speed signal of the fuzzy resolver of the sound factor 10 is corresponding is 0 ~ 120Km/h, and the second fuzz variable is { low, in, high }, and correspondingly, the second membership function that the fuzzy resolver 10 of the sound factor calls as shown in Figure 3.
To be the 0 ~ 1, three fuzz variable be the codomain that the output signal sound factor pair of the fuzzy resolver 10 of the sound factor is answered little, less, in, greatly, larger }, correspondingly, the 3rd membership function that the fuzzy resolver 10 of the sound factor calls is as shown in Figure 4.
According to one embodiment of present invention, the fuzzy control rule preset is as shown in table 1 below.
Table 1
As shown in Table 1, the fuzzy control rule preset is: when described first fuzz variable be little and described second fuzz variable is low, described 3rd fuzz variable is little; When described first fuzz variable be little and described second fuzz variable is middle, during described 3rd fuzz variable is; When described first fuzz variable be little and described second fuzz variable is high, described 3rd fuzz variable is larger; When during described first fuzz variable is and described second fuzz variable is low time, described 3rd fuzz variable is less; When during described first fuzz variable is and described second fuzz variable is middle time, during described 3rd fuzz variable is; When during described first fuzz variable is and described second fuzz variable is high time, described 3rd fuzz variable is larger; When described first fuzz variable be large and described second fuzz variable is low, described 3rd fuzz variable is less; When described first fuzz variable be large and described second fuzz variable is middle, described 3rd fuzz variable is larger; When described first fuzz variable be large and described second fuzz variable is high, described 3rd fuzz variable is large.
Wherein, according to one embodiment of present invention, the fuzzy resolver of the sound factor obtains the described sound factor by fuzzy control gravity model appoach.Specifically, from upper table 1, there are 9 fuzzy control rules, in every bar fuzzy control rule, two inputs all can a corresponding output, Das Gaspedal aperture is 25%, when the speed of a motor vehicle of electronlmobil is 100Km/h, such as according to the 1st article of fuzzy control rule " the first fuzz variable is little and described second fuzz variable be low time, described 3rd fuzz variable is little ", the then ratio of the first fuzz variable " little " membership function shared by 25%, the ratio of the second fuzz variable " low " membership function shared by 100Km/h, by the 3rd fuzz variable " little " membership function, just can calculate 25% and the output of 100Km/h correspondence.In like manner, other 8 fuzzy control rules all can calculate 25% and the output of 100Km/h correspondence.Last 9 fuzzy control rules correspondence can obtain final numerical value after exporting and adopting the process of fuzzy control gravity model appoach.
In an embodiment of the present invention, the fuzzy resolver of the sound factor 10 according to the final Output simulation figure of two incoming signals as shown in Figure 5, is namely sayed, the real-time speed of a motor vehicle of input electronlmobil and Das Gaspedal aperture, the i.e. exportable sound factor.Therefore say, the size of the sound factor accurately can be judged by the fuzzy resolver 10 of the sound factor, this sound factor is the numerical value be between 0 ~ 1, and then the sound factor can drive voice warning device such as sound equipment to carry out warning pronunciation after digiverter carries out digital quantity-analog quantity conversion and signal amplifying apparatus carries out signal amplification.
According to the phonetic warning system of the electronlmobil of the embodiment of the present invention, be easy to exactly the posterior infromation of people be quantized by the fuzzy resolver of the sound factor, according to the fuzzy control rule preset and first membership function corresponding with the first fuzz variable called, second membership function corresponding with the second fuzz variable, three membership function corresponding with the 3rd fuzz variable parses the sound factor more accurately, thus can correctly send phonetic warning information, pedestrian can be pointed out exactly, the noise jamming to pedestrian can be avoided again, environmental noise is reduced while ensureing pedestrains safety.
Fig. 6 is the diagram of circuit of the phonetic warning method of electronlmobil according to the embodiment of the present invention.As shown in Figure 6, the phonetic warning method of this electronlmobil comprises the following steps:
S1, receives vehicle speed signal and the Das Gaspedal opening amount signal of electronlmobil.
S2, obtains the first fuzz variable according to vehicle speed signal and obtains the second fuzz variable according to Das Gaspedal opening amount signal, and obtains the 3rd fuzz variable according to the first fuzz variable, the second fuzz variable and default fuzzy control rule.
S3, by call first membership function corresponding with the first fuzz variable, second membership function corresponding with the second fuzz variable and with the 3rd membership function corresponding to the 3rd fuzz variable to export the sound factor.
S4, is converted to analog signal by the digital signal that sound factor pair is answered, and amplifies analog signal, and sends phonetic warning information according to the analog signal after amplifying.
Wherein, according to one embodiment of present invention, to be the 0 ~ 100%, first fuzz variable be the codomain that Das Gaspedal opening amount signal is corresponding little, in, large }, correspondingly, the first membership function called is as shown in Figure 2.
Codomain corresponding to vehicle speed signal is 0 ~ 120Km/h, and the second fuzz variable is { low, in, high }, and correspondingly, the second membership function called as shown in Figure 3.
To be the 0 ~ 1, three fuzz variable be the codomain that sound factor pair is answered little, less, in, greatly, larger }, correspondingly, the 3rd membership function called is as shown in Figure 4.
According to one embodiment of present invention, as shown in Table 1, the fuzzy control rule preset is: when described first fuzz variable be little and described second fuzz variable is low, described 3rd fuzz variable is little; When described first fuzz variable be little and described second fuzz variable is middle, during described 3rd fuzz variable is; When described first fuzz variable be little and described second fuzz variable is high, described 3rd fuzz variable is larger; When during described first fuzz variable is and described second fuzz variable is low time, described 3rd fuzz variable is less; When during described first fuzz variable is and described second fuzz variable is middle time, during described 3rd fuzz variable is; When during described first fuzz variable is and described second fuzz variable is high time, described 3rd fuzz variable is larger; When described first fuzz variable be large and described second fuzz variable is low, described 3rd fuzz variable is less; When described first fuzz variable be large and described second fuzz variable is middle, described 3rd fuzz variable is larger; When described first fuzz variable be large and described second fuzz variable is high, described 3rd fuzz variable is large.
In an embodiment of the present invention, the described sound factor obtains according to fuzzy control gravity model appoach.
According to the phonetic warning method of the electronlmobil of the embodiment of the present invention, be easy to exactly the posterior infromation of people be quantized, then according to the fuzzy control rule preset and first membership function corresponding with the first fuzz variable called, second membership function corresponding with the second fuzz variable, three membership function corresponding with the 3rd fuzz variable parses the sound factor more accurately, thus can correctly send phonetic warning information, pedestrian can be pointed out exactly, the noise jamming to pedestrian can be avoided again, environmental noise is reduced while ensureing pedestrains safety.
In addition, embodiments of the invention also proposed a kind of electronlmobil, and it comprises the phonetic warning system of above-mentioned electronlmobil.
The electronlmobil of the embodiment of the present invention is easy to be quantized by the posterior infromation of people exactly, then the fuzzy resolver of the sound factor in phonetic warning system is according to the fuzzy control rule preset and first membership function corresponding with the first fuzz variable called, second membership function corresponding with the second fuzz variable, three membership function corresponding with the 3rd fuzz variable parses the sound factor more accurately, thus can correctly send phonetic warning information, pedestrian can be pointed out exactly, the noise jamming to pedestrian can be avoided again, environmental noise is reduced while ensureing pedestrains safety.
Describe and can be understood in diagram of circuit or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of treater or other can from instruction execution system, device or equipment fetch instruction and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this specification sheets, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronics package) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM) (ROM), erasablely edit read-only memory (ROM) (EPROM or flash memory), fiber device, and portable optic disk read-only memory (ROM) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinatory logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory (ROM), disk or CD etc.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (9)
1. a phonetic warning system for electronlmobil, is characterized in that, comprising:
The fuzzy resolver of the sound factor, the fuzzy resolver of the described sound factor is for receiving vehicle speed signal and the Das Gaspedal opening amount signal of described electronlmobil, and obtain the first fuzz variable according to described vehicle speed signal and obtain the second fuzz variable according to described Das Gaspedal opening amount signal, and according to described first fuzz variable, described second fuzz variable and the fuzzy control rule preset obtain the 3rd fuzz variable, and by calling first membership function corresponding with described first fuzz variable, second membership function corresponding with described second fuzz variable and with the 3rd membership function corresponding to described 3rd fuzz variable to export the sound factor,
Digiverter, described digiverter is connected with the fuzzy resolver of the described sound factor and is converted to analog signal with the digital signal of being answered by described sound factor pair;
Signal amplifying apparatus, described signal amplifying apparatus is connected to amplify described analog signal with described digiverter;
Voice warning device, described voice warning device is connected with described signal amplifying apparatus, and described voice warning device sends phonetic warning information according to the analog signal after amplification.
2. the phonetic warning system of electronlmobil as claimed in claim 1, is characterized in that, wherein,
The codomain that described Das Gaspedal opening amount signal is corresponding is 0 ~ 100%, and described first fuzz variable is { little, in, large };
Codomain corresponding to described vehicle speed signal is 0 ~ 120Km/h, and described second fuzz variable is { low, in, high };
The codomain that described sound factor pair is answered is 0 ~ 1, and described 3rd fuzz variable is { little, less, in, greatly, larger }.
3. the phonetic warning system of electronlmobil as claimed in claim 2, it is characterized in that, described default fuzzy control rule is:
When described first fuzz variable be little and described second fuzz variable is low, described 3rd fuzz variable is little;
When described first fuzz variable be little and described second fuzz variable is middle, during described 3rd fuzz variable is;
When described first fuzz variable be little and described second fuzz variable is high, described 3rd fuzz variable is larger;
When during described first fuzz variable is and described second fuzz variable is low time, described 3rd fuzz variable is less;
When during described first fuzz variable is and described second fuzz variable is middle time, during described 3rd fuzz variable is;
When during described first fuzz variable is and described second fuzz variable is high time, described 3rd fuzz variable is larger;
When described first fuzz variable be large and described second fuzz variable is low, described 3rd fuzz variable is less;
When described first fuzz variable be large and described second fuzz variable is middle, described 3rd fuzz variable is larger;
When described first fuzz variable be large and described second fuzz variable is high, described 3rd fuzz variable is large.
4. the phonetic warning system of the electronlmobil according to any one of claim 1-3, is characterized in that, the fuzzy resolver of the described sound factor obtains the described sound factor by fuzzy control gravity model appoach.
5. an electronlmobil, is characterized in that, comprises the phonetic warning system of the electronlmobil according to any one of claim 1-4.
6. a phonetic warning method for electronlmobil, is characterized in that, comprise the following steps:
Receive vehicle speed signal and the Das Gaspedal opening amount signal of described electronlmobil;
Obtain the first fuzz variable according to described vehicle speed signal and obtain the second fuzz variable according to described Das Gaspedal opening amount signal, and obtaining the 3rd fuzz variable according to described first fuzz variable, described second fuzz variable and default fuzzy control rule;
By call first membership function corresponding with described first fuzz variable, second membership function corresponding with described second fuzz variable and with the 3rd membership function corresponding to described 3rd fuzz variable to export the sound factor;
The digital signal that described sound factor pair is answered is converted to analog signal, and described analog signal is amplified, and send phonetic warning information according to the analog signal after amplifying.
7. the phonetic warning method of electronlmobil as claimed in claim 6, is characterized in that, wherein,
The codomain that described Das Gaspedal opening amount signal is corresponding is 0 ~ 100%, and described first fuzz variable is { little, in, large };
Codomain corresponding to described vehicle speed signal is 0 ~ 120Km/h, and described second fuzz variable is { low, in, high };
The codomain that described sound factor pair is answered is 0 ~ 1, and described 3rd fuzz variable is { little, less, in, greatly, larger }.
8. the phonetic warning method of electronlmobil as claimed in claim 7, it is characterized in that, described default fuzzy control rule is:
When described first fuzz variable be little and described second fuzz variable is low, described 3rd fuzz variable is little;
When described first fuzz variable be little and described second fuzz variable is middle, during described 3rd fuzz variable is;
When described first fuzz variable be little and described second fuzz variable is high, described 3rd fuzz variable is larger;
When during described first fuzz variable is and described second fuzz variable is low time, described 3rd fuzz variable is less;
When during described first fuzz variable is and described second fuzz variable is middle time, during described 3rd fuzz variable is;
When during described first fuzz variable is and described second fuzz variable is high time, described 3rd fuzz variable is larger;
When described first fuzz variable be large and described second fuzz variable is low, described 3rd fuzz variable is less;
When described first fuzz variable be large and described second fuzz variable is middle, described 3rd fuzz variable is larger;
When described first fuzz variable be large and described second fuzz variable is high, described 3rd fuzz variable is large.
9. the phonetic warning method of the electronlmobil as described in any one of claim 6-8, is characterized in that, the described sound factor obtains according to fuzzy control gravity model appoach.
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