CN110176232A - A kind of automobile tail gate sound control circuit and its control method - Google Patents
A kind of automobile tail gate sound control circuit and its control method Download PDFInfo
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- CN110176232A CN110176232A CN201910258760.5A CN201910258760A CN110176232A CN 110176232 A CN110176232 A CN 110176232A CN 201910258760 A CN201910258760 A CN 201910258760A CN 110176232 A CN110176232 A CN 110176232A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000008569 process Effects 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000013139 quantization Methods 0.000 claims description 4
- 230000001755 vocal effect Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/28—Constructional details of speech recognition systems
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of automobile tail gate sound control circuits, comprising: sound recording module, audio frequency filtration module, speech processes and identification module, MCU control module, tail-gate state detection circuit module and tail-gate switch control module；Sound recording module, audio frequency filtration module, speech processes and identification module, MCU control module are successively electrically connected；MCU control module is electrically connected with tail-gate state detection circuit module, tail-gate switch control module respectively；The control method that the present invention discloses a kind of automobile tail gate sound control circuit again includes: typing voice signal；It is filtered and digital-to-analogue conversion is to generate audio data；Audio data is identified and is analyzed；The Push And Release of the switching information control tail-gate of the phonetic order and tail-gate that handle as needed.The present invention directly opens or closes the electric tail gate of automobile by verbal instructions, improves the reliability and safety of tailstock door voice control.
Description
Technical field
The present invention relates to technical field of automotive electronics, and in particular to a kind of automobile tail gate sound control circuit and its control method.
Background technique
With the prevalence of SUV, the vehicle body of SUV is relatively high, and tail-gate is directly up opened, and after unlatching, some height are all
More than 1.8 meters, height is shorter or women car owner, it may appear that hand raises the case where all reaching tail-gate switch, often some
People will jump up could be laborious in this way and dangerous by door closing switch.Especially if having removed thing on hand, switch gate is just
It is more troublesome.
The patent application text of Patent No. 201510133382.X discloses a kind of sound control method of automobile door and window,
It include: standby step, comprising: bluetooth unit matches the Bluetooth signal received, if successful match, bluetooth unit
Export the speech control unit of activation signal activation in a dormant state；Phonetic decision step, comprising: speech control unit enters
Audio monitoring mode, the input speech signal of waiting voice input equipment, when speech control unit receives voice-input device
Input speech signal, then speech control unit judges whether the input speech signal is effective phonetic order, if it is
Effective phonetic order then executes movement and executes step；Movement executes step, comprising: according to the phonetic order to corresponding
Car door or corresponding vehicle window execute corresponding movement.The technical solution of this application lacks to be carried out with automobiles hardware signals such as car doors
Reasonable safety interaction, and the discrimination of voice and accuracy rate are low.
Summary of the invention
In view of this, it is necessary to for above-mentioned problem, propose a kind of automobile tail gate sound control circuit and its control method, with
The disadvantage in above-mentioned background technique is solved, so that it is guaranteed that vehicle will not be outer in normal use driving process or when temporary parking
The speech trigger in face and open by mistake door, it is ensured that just voice is identified and is received out under the premise of obtaining legal key signal
The signal of door realizes accurately safe automobile tail gate sound control.
To achieve the above object, the present invention takes technical solution below:
A kind of automobile tail gate sound control circuit includes: sound recording module, audio frequency filtration module, speech processes and identification mould
Block, MCU control module, tail-gate state detection circuit module and tail-gate switch control module；The sound recording module, audio
Filter module, speech processes and identification module, MCU control module are successively electrically connected；The MCU control module respectively with
Tail-gate state detection circuit module, tail-gate switch control module are electrically connected；
The sound recording module is used for typing voice signal；
Audio filtering and processing module, for the voice signal to the sound recording module be filtered with
And digital-to-analogue conversion is carried out to generate audio data to filtered voice signal, and send the audio data to institute predicate
Sound processing and identification module；
The speech processes and identification module, for the audio data received to be identified and analyzed, to judge
Whether current voice signal is phonetic order to be treated, and phonetic order to be treated is sent to the MCU and is controlled
Molding block；
The tail-gate state detection circuit module is transmitted for detecting tail-gate switch state, and by the switching information of tail-gate
To the MCU control module；
The MCU control module passes through the tail for the switching information according to the phonetic order and tail-gate received
The Push And Release of door switch control module control tail-gate；
The tail-gate switch control module, for controlling the Push And Release of tail-gate.
Further, the MCU control module uses ARM+DSP dual core processor.
Further, the speech processes and identification module use ARM+DSP dual core processor.
Further, the MCU control module is also used to DSP initialization, power management.
A kind of control method of automobile tail gate sound control circuit is applied to automobile tail gate sound control circuit as described above, the control
Method processed the following steps are included:
S1, typing voice signal；
S2 is filtered the voice signal and carries out digital-to-analogue conversion to filtered voice signal to raw
At audio data；
S3 is identified and is analyzed to the audio data, to judge whether current voice signal is to need to handle
Phonetic order；S4 is executed if being judged as YES；S3 is otherwise continued to execute if being judged as；
The Push And Release of the switching information control tail-gate of S4, the phonetic order handled as needed and tail-gate.
Further, in S2, the analog audio of audio filtering and processing module to the sound recording module typing
Frequency carries out digital quantization conversion according to analog filtering is carried out, to treated analogue audio frequency, be then passed to the speech processes and
Identification module.
Further, in S4, phonetic order to be treated is distinguished according to the current switch state of tail-gate.
Further, in S4, when recognizing instruction to be treated, determine whether to execute according to tail-gate state current
Instruction；When tail-gate state be close, and the speech processes and identification module recognize about open tail-gate phonetic order,
Then the MCU control module controls the unlatching of tail-gate by the tail-gate switch control module；When tail-gate state be open, and
And the speech processes and identification module are recognized about the phonetic order for closing tail-gate, then the MCU control module passes through institute
State the closing of tail-gate switch control module control tail-gate.
Further, the abundant unnecessary condition of S4 is to detect that effective car key starts information.
Further, the abundant unnecessary condition of S4 is to detect invalid car door key switch signal.
The invention has the benefit that
The present invention directly opens or closes the electric tail gate of automobile by verbal instructions, and car owner is facilitated to open or close tail
Door, especially SUV vehicle；The present invention claims take from vehicle box position of insuring and just give this when ACC signal, only ACC invalidating signal
Invention circuit powers on, it is ensured that vehicle will not in normal use driving process or when temporary parking by the speech trigger of outside mistake
It opens the door；The invention detects that just carrying out identification when legal key signal to voice and logic module just receiving the letter of enabling
Number, it is ensured that car door will not be opened illegally.Determine that tailstock door will not be opened by mistake and illegally be opened by above-mentioned dual fail-safe method.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of automobile tail gate sound control circuit of the invention；
Fig. 2 is the electronic circuitry of sound recording module and audio frequency filtration module of the invention；
Fig. 3 is the electronic circuitry of speech processes and identification module and MCU control module of the invention；
Fig. 4 is the electronic circuitry of tail-gate state detection circuit module of the invention；
Fig. 5 is the electronic circuitry of tail-gate switch control module of the invention；
Fig. 6 is the control method flow chart of automobile tail gate sound control circuit of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this hair
Bright technical solution work further clearly and completely describes.It should be noted that described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It is to be appreciated that the orientation or positional relationship of the instructions such as term " on ", "lower", "front", "rear", "left", "right"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.
The terms such as " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second ", " are defined as a result,
Three ", " the 4th " feature can explicitly or implicitly include one or more of the features.
Embodiment 1
As shown in Figure 1, a kind of automobile tail gate sound control circuit includes: sound recording module, audio frequency filtration module, speech processes
And identification module, MCU control module, tail-gate state detection circuit module and tail-gate switch control module；The sound typing mould
Block, audio frequency filtration module, speech processes and identification module, MCU control module are successively electrically connected；The MCU controls mould
Block is electrically connected with tail-gate state detection circuit module, tail-gate switch control module respectively；
The sound recording module is used for typing voice signal；
Audio filtering and processing module, for the voice signal to the sound recording module be filtered with
And digital-to-analogue conversion is carried out to generate audio data to filtered voice signal, and send the audio data to institute predicate
Sound processing and identification module；
The speech processes and identification module, for the audio data received to be identified and analyzed, to judge
Whether current voice signal is phonetic order to be treated, and phonetic order to be treated is sent to the MCU and is controlled
Molding block；
The tail-gate state detection circuit module is transmitted for detecting tail-gate switch state, and by the switching information of tail-gate
To the MCU control module；
The MCU control module passes through the tail for the switching information according to the phonetic order and tail-gate received
The Push And Release of door switch control module control tail-gate；
The tail-gate switch control module, for controlling the Push And Release of tail-gate.
Further, the MCU control module uses ARM+DSP dual core processor.
Further, the speech processes and identification module use ARM+DSP dual core processor.
Further, the MCU control module is also used to DSP initialization, power management.
As shown in fig. 6, a kind of control method of automobile tail gate sound control circuit, is applied to automobile tail gate acoustic control as described above
Circuit, the control method the following steps are included:
S1, typing voice signal；
S2 is filtered the voice signal and carries out digital-to-analogue conversion to filtered voice signal to raw
At audio data；
S3 is identified and is analyzed to the audio data, to judge whether current voice signal is to need to handle
Phonetic order；S4 is executed if being judged as YES；S3 is otherwise continued to execute if being judged as；
The Push And Release of the switching information control tail-gate of S4, the phonetic order handled as needed and tail-gate.
Further, in S2, the analog audio of audio filtering and processing module to the sound recording module typing
Frequency carries out digital quantization conversion according to analog filtering is carried out, to treated analogue audio frequency, be then passed to the speech processes and
Identification module.
Further, in S4, phonetic order to be treated is distinguished according to the current switch state of tail-gate.
Further, in S4, when recognizing instruction to be treated, determine whether to execute according to tail-gate state current
Instruction；When tail-gate state be close, and the speech processes and identification module recognize about open tail-gate phonetic order,
Then the MCU control module controls the unlatching of tail-gate by the tail-gate switch control module；When tail-gate state be open, and
The speech processes and identification module are recognized about the phonetic order for closing tail-gate, then the MCU control module passes through described
The closing of tail-gate switch control module control tail-gate.
Further, the abundant unnecessary condition of S4 is to detect that effective car key starts information.
Further, the abundant unnecessary condition of S4 is to detect invalid car door key switch signal.
Embodiment 2
Embodiment 2 is advanced optimizing for embodiment 1；
A kind of automobile tail gate sound control circuit includes: sound recording module, audio frequency filtration module, speech processes and identification mould
Block, MCU control module, tail-gate state detection circuit module and tail-gate switch control module；The sound recording module, audio
Filter module, speech processes and identification module, MCU control module are successively electrically connected；The MCU control module respectively with
Tail-gate state detection circuit module, tail-gate switch control module are electrically connected；
The sound recording module is used for typing voice signal；
The audio filtering and processing module, are filtered for the voice signal to the sound recording module
(specifically, filtering exceed normal sound spectral limit Wave data) and to filtered voice signal carry out digital-to-analogue conversion to
Audio data is generated, and sends the audio data to the speech processes and identification module；Specifically, the audio filtering
And processing module mainly carries out analog filtering to the analog audio data of MIC sampling, filtering exceeds the waveform of normal sound spectral limit
Data, to treated, analogue audio frequency carries out digital quantization i.e. so-called AD conversion, is then passed to DSP unit；
The speech processes and identification module, for the audio data received to be identified and analyzed, to judge
Whether current voice signal is phonetic order to be treated, and phonetic order to be treated is sent to the MCU and is controlled
Molding block；The speech processes and identification module use ARM+DSP dual core processor；Specifically, as shown in Figs. 1-2, institute's predicate
Sound processing and identification module use ARM+DSP dual core processor, and DSP unit is mainly responsible for audio of the front end after analog-to-digital conversion
Data carry out identification and parser, to judge whether the audio being currently received is instruction to be treated；Former and later two audios
Sound pick-up is filtered after U1 and U2 does sound source selection by MK1 and MK2 access system, audio signal, is then fed into rear end
DSP carry out speech recognition；DSP is identified and is analyzed to voice, when recognizing instruction to be treated, according to tail-gate
State determines whether to execute present instruction；If tail-gate state is to close but recognize " opening tail-gate " or " starting tail-gate "
Phonetic order signal then issues and opens tail-gate instruction and execute the movement for opening tail-gate by switch control logic module；If tail-gate
For open state but the phonetic order signal of " close tail-gate " is recognized, then issues and closes tail-gate instruction and by switch control logic
Module executes the movement for closing tail-gate；
The tail-gate state detection circuit module is transmitted for detecting tail-gate switch state, and by the switching information of tail-gate
To the MCU control module；Specifically, as shown in figure 4, the tail-gate state detection circuit module is current for detecting tail-gate
In the open state or closing, so as to the correctly separately instruction of processing switch tail-gate；
The MCU control module passes through the tail for the switching information according to the phonetic order and tail-gate received
The Push And Release of door switch control module control tail-gate；Specifically, as shown in figure 3, the MCU control module is bis- using ARM+DSP
Core processor, the MCU control module for being initialized to DSP, power management, vehicle and tail-gate state-detection, tail-gate
The function logics such as switch motion control are handled；
The tail-gate switch control module, for controlling the Push And Release of tail-gate；Specifically, as shown in figure 5, the tail-gate is opened
Close the finger that control module is sent according to the speech processes and the instruction processing result of identification module and the MCU control module
The movement for enabling processing open the door receives door open command starting door opening action processing, receives shutdown instruction just starting shutdown movement processing.
As shown in fig. 6, a kind of control method of automobile tail gate sound control circuit, is applied to automobile tail gate acoustic control as described above
Circuit, the control method the following steps are included:
S1, typing voice signal；
S2 is filtered the voice signal and carries out digital-to-analogue conversion to filtered voice signal to raw
At audio data；
S3 is identified and is analyzed to the audio data, to judge whether current voice signal is to need to handle
Phonetic order；S4 is executed if being judged as YES；S3 is otherwise continued to execute if being judged as；
The Push And Release of the switching information control tail-gate of S4, the phonetic order handled as needed and tail-gate；
Further, the abundant unnecessary condition of S4 is to detect that effective car key starts information；S4's sufficiently need not
Wanting condition is to detect invalid car door key switch signal (ACC signal)；Specifically, it ACC blackout and detects
Key signal is normal, and tail-gate speech control system is activated at this time, while detecting tail-gate status signal, and tail-gate state is high level
Indicate that tail-gate signal wire is effective, inside and outside two MIC are stand-alone mode, and system work is at " opening tail-gate " and " closing tail-gate " is solely
Vertical instruction mode state；Tail-gate state is that low level indicates that tail-gate signal wire is invalid, and inside and outside two MIC are mixed mode, system
It works in the mixed instruction mode state of " starting tail-gate "；It is malfunctioned in temporary parking or driving conditions in order to prevent, hardware
ACC signal and key signal on logic association vehicle, only do not have signal namely to handle orderly shutdown state in ACC, and
And vehicle can detect the movement that enabling can be just executed when key is effective；When system is installed, by installation guide requirement from vehicle
Box position of insuring takes ACC just to power on to speech control system when controlling signal, only ACC invalidating signal, it is ensured that vehicle will not
Door is opened by mistake in normal use driving process or by the speech trigger of outside when temporary parking；Only vehicle can detect legal
Key signal when, speech control system just voice is identified and logic module of opening the door just receive enabling signal, really
Protecting car door will not illegally be opened；Determine that tailstock door will not be opened by mistake and illegally be opened by above-mentioned dual fail-safe method.
Working result of the invention is as follows:
1, the switch gate movement of voice control automobile power back door；
2, it is associated with the detection and judgement of ACC signal, opens by mistake door to prevent traveling or temporary parking；
3, it is associated with the effective detection and judgement of car key, to prevent the illegal enabling after parking；
4, switch gate is adapted to automatically instructs separation mode, or the mode of mixing one；
5, the job category electric tail gate different from mode is adapted to by dial-up；
6, by the unlatching of " opening tail-gate " or " starting tail-gate " voice command control automobile power back door；
7, by the closing of " closing tail-gate " or " starting tail-gate " voice command control automobile power back door；
8, by the unlatching of " electric tail gate please be opened " voice command control automobile power back door；
9, by the closing of " electric tail gate please close " voice command control automobile power back door.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of automobile tail gate sound control circuit, which is characterized in that the automobile tail gate sound control circuit includes: sound recording module, sound
Frequency filter module, speech processes and identification module, MCU control module, tail-gate state detection circuit module and tail-gate switch control
Module；The sound recording module, audio frequency filtration module, speech processes and identification module, MCU control module successively carry out electrical property
Connection；The MCU control module is electrically connected with tail-gate state detection circuit module, tail-gate switch control module respectively；
The sound recording module is used for typing voice signal；
The audio filtering and processing module, are filtered and right for the voice signal to the sound recording module
Filtered voice signal carries out digital-to-analogue conversion to generate audio data, and the audio data is sent at the voice
Reason and identification module；
The speech processes and identification module, for the audio data received to be identified and analyzed, so that judgement is current
Voice signal whether be phonetic order to be treated, and phonetic order to be treated is sent to the MCU and controls mould
Block；
The tail-gate state detection circuit module sends institute to for detecting tail-gate switch state, and by the switching information of tail-gate
State MCU control module；
The MCU control module is opened for the switching information according to the phonetic order and tail-gate received by the tail-gate
Close the Push And Release of control module control tail-gate；
The tail-gate switch control module, for controlling the Push And Release of tail-gate.
2. automobile tail gate sound control circuit according to claim 1, which is characterized in that the MCU control module uses ARM+
DSP dual core processor.
3. automobile tail gate sound control circuit according to claim 1, which is characterized in that the speech processes and identification module are adopted
With ARM+DSP dual core processor.
4. automobile tail gate sound control circuit according to claim 1, which is characterized in that the MCU control module is also used to DSP
Initialization, power management.
5. a kind of control method of automobile tail gate sound control circuit, which is characterized in that applied to as described in claim 1-4 is any
Automobile tail gate sound control circuit, the control method the following steps are included:
S1, typing voice signal；
S2 is filtered the voice signal and carries out digital-to-analogue conversion to filtered voice signal to generate sound
Frequency evidence；
S3 is identified and is analyzed to the audio data, to judge whether current voice signal is language to be treated
Sound instruction；S4 is executed if being judged as YES；S3 is otherwise continued to execute if being judged as；
The Push And Release of the switching information control tail-gate of S4, the phonetic order handled as needed and tail-gate.
6. the control method of automobile tail gate sound control circuit according to claim 5, which is characterized in that in S2, the sound
Frequency filtering and processing module carry out analog filtering to the analog audio data of the sound recording module typing, to treated mould
Quasi- audio carries out digital quantization conversion, is then passed to the speech processes and identification module.
7. the control method of automobile tail gate sound control circuit according to claim 5, which is characterized in that in S4, according to tail
The current switch state of door distinguishes phonetic order to be treated.
8. the control method of automobile tail gate sound control circuit according to claim 7, which is characterized in that in S4, work as identification
To when instruction to be treated, execution present instruction is determined whether according to tail-gate state；It is and described when tail-gate state is to close
Speech processes and identification module are recognized about the phonetic order for opening tail-gate, then the MCU control module passes through the tail-gate
The unlatching of switch control module control tail-gate；When tail-gate state is to open, and the speech processes and identification module recognize
About the phonetic order for closing tail-gate, then the MCU control module controls the pass of tail-gate by the tail-gate switch control module
It closes.
9. according to the control method of any automobile tail gate sound control circuit of claim 5-8, which is characterized in that S4's is abundant
Unnecessary condition is to detect that effective car key starts information.
10. according to the control method of any automobile tail gate sound control circuit of claim 5-8, which is characterized in that S4's fills
Dividing unnecessary condition is to detect invalid car door key switch signal.
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| CN201910258760.5A CN110176232B (en) | 2019-04-01 | 2019-04-01 | Sound control circuit for automobile tail gate and control method thereof |
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| CN201910258760.5A CN110176232B (en) | 2019-04-01 | 2019-04-01 | Sound control circuit for automobile tail gate and control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554702A (en) * | 2020-12-08 | 2021-03-26 | 奇瑞商用车（安徽）有限公司 | Intelligent opening and closing control device for automobile tail door and control method thereof |
| CN113047729A (en) * | 2021-04-14 | 2021-06-29 | 的卢技术有限公司 | Control system, method and device for opening and closing automobile tail gate based on human body detection and voiceprint recognition and storage medium |
| CN113374378A (en) * | 2021-06-03 | 2021-09-10 | 东风汽车集团股份有限公司 | Control system, method and storage medium for off-line sound control electric back door |
| CN114379504A (en) * | 2022-01-24 | 2022-04-22 | 中国第一汽车股份有限公司 | Automobile tail door control method and vehicle |
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| CN114379504A (en) * | 2022-01-24 | 2022-04-22 | 中国第一汽车股份有限公司 | Automobile tail door control method and vehicle |
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