CN112951220A - Voice redundancy braking method and system, computer equipment and readable storage medium - Google Patents

Voice redundancy braking method and system, computer equipment and readable storage medium Download PDF

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Publication number
CN112951220A
CN112951220A CN201911170631.7A CN201911170631A CN112951220A CN 112951220 A CN112951220 A CN 112951220A CN 201911170631 A CN201911170631 A CN 201911170631A CN 112951220 A CN112951220 A CN 112951220A
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voice
braking
vehicle
signal
message
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CN201911170631.7A
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CN112951220B (en
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李赛赛
黄亮
高靖宇
丁超
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
    • B60T8/17558—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve specially adapted for collision avoidance or collision mitigation
    • 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
    • G10L17/00—Speaker identification or verification techniques
    • G10L17/22—Interactive procedures; Man-machine interfaces
    • G10L17/24—Interactive procedures; Man-machine interfaces the user being prompted to utter a password or a predefined phrase
    • 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)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computational Linguistics (AREA)
  • Regulating Braking Force (AREA)

Abstract

The invention relates to a voice redundancy braking method and a system, a computer device and a readable storage medium thereof, wherein the method comprises the following steps: monitoring whether the brake control function of the ADAS system fails in real time in the running process of the vehicle; when the brake control function of the ADAS system fails, generating a voice brake starting signal; and according to the voice brake starting signal, acquiring in real time and generating a first message for controlling vehicle brake according to the voice signal of the driver. The system corresponds to the method and is a carrier for realizing the method; the storage medium is a computer-readable storage medium having stored thereon a computer program for implementing the method. The computer device includes the system or the storage medium. By implementing the invention, the collision risk of a driver who manually steps on the brake pedal after the ADAS function is failed can be reduced.

Description

Voice redundancy braking method and system, computer equipment and readable storage medium
Technical Field
The invention relates to the technical field of vehicle safety, in particular to a voice redundancy braking method and system, computer equipment and a computer readable storage medium.
Background
In the field of Advanced Driving Assistance Systems (ADAS), objects such as vehicles and pedestrians in front of the vehicles can be detected by means of a radar and a camera arranged in front of the vehicles, and when the distance between the vehicles and the objects is too small, the ADAS System integrating the radar and the camera can request a brake control System such as an Electronic Stability Controller (ESC) and a brake System (eboost) to decelerate and even brake the vehicles. However, after the ADAS function integrating the radar and the camera fails, when the driver finds that the vehicle is not braked, the driver manually steps on the brake pedal, the process lasts for a long time, the vehicle runs for a long distance in the process, and the collision risk is increased.
Disclosure of Invention
The invention aims to provide a voice redundancy braking method and a system, computer equipment and a computer readable storage medium thereof, so as to reduce the collision risk of a driver manually stepping on a brake pedal after the ADAS function is failed to at least a certain extent.
In a first aspect, an embodiment of the present invention provides a voice redundancy braking method, including:
monitoring whether the brake control function of the ADAS system fails in real time in the running process of the vehicle;
when the brake control function of the ADAS system fails, generating a voice brake starting signal;
and according to the voice brake starting signal, acquiring in real time and generating a first message for controlling vehicle brake according to the voice signal of the driver.
Further, the obtaining in real time and generating a first message for controlling braking of the vehicle according to the voice signal of the driver includes:
acquiring an in-vehicle voice signal in real time, analyzing the in-vehicle voice signal to obtain a tone characteristic of the in-vehicle voice signal, and comparing the tone characteristic with a preset driver tone characteristic;
if the comparison result shows that the tone color characteristics are consistent with the preset tone color characteristics of the driver, decoding the voice signal in the vehicle to obtain the voice content of the voice signal;
and generating a first message according to the voice content and sending the first message to a vehicle brake control unit.
Further, the generating the first message according to the voice content includes:
and comparing the voice content with preset voice content, and if the comparison result shows that the voice content is consistent with the preset voice content, generating a first message.
Further, the generating the first message according to the voice content includes:
analyzing the voice signal in the vehicle to obtain the signal intensity and/or the change rate of the voice signal, and determining the braking intensity of the brake according to the signal intensity and/or the change rate;
and generating a first message according to the braking strength and the voice content.
Further, the determining the braking strength of the brake according to the signal strength and/or the change rate comprises:
when the ABS function of the vehicle is not activated, the signal intensity and/or the change rate of the voice signal are/is in direct proportion to the braking intensity of the vehicle brake;
when the ABS function of the vehicle is activated, the braking strength of the vehicle brake is a preset constant value.
Further, the monitoring whether the brake control function of the ADAS system fails in real time includes:
monitoring a second message sent to the vehicle brake control unit by the ADAS system in real time;
and judging whether the brake control function of the ADAS system is invalid or not according to the second message, wherein if the second message is lost or the second message is wrong, the brake control function of the ADAS system is judged to be invalid.
In a second aspect, an embodiment of the present invention provides a voice redundancy braking system, which is used to implement the voice redundancy braking method according to the embodiment of the present invention, and includes:
the monitoring unit is used for monitoring whether the brake control function of the ADAS system fails in real time in the running process of the vehicle;
the starting unit is used for receiving the monitoring signal of the monitoring unit and generating a voice braking starting signal when the received monitoring signal indicates that the braking control function of the ADAS system is invalid;
and the voice braking unit is used for acquiring the voice braking starting signal in real time and generating a first message for controlling the vehicle braking according to the voice signal of the driver.
Wherein the voice brake unit includes:
the voice signal acquisition unit is used for acquiring the voice signal in the vehicle in real time;
the voice signal analysis unit is used for analyzing the voice signals in the vehicle to obtain the tone color characteristics, the signal intensity and/or the change rate of the voice signals;
the voice signal processing unit is used for processing the voice signal in the vehicle, and transmitting the voice signal to the voice signal processing unit;
the decoding unit is used for receiving the in-vehicle voice signal of the tone color comparison unit and decoding the in-vehicle voice signal to obtain the voice content of the in-vehicle voice signal;
the braking intensity determining unit is used for determining the braking intensity of the brake according to the signal intensity and/or the change rate;
and the compiling unit is used for generating a first message according to the voice content and the braking strength and sending the first message to the vehicle braking control unit.
In a third aspect, an embodiment of the present invention provides a computer device, including: the voice redundancy braking system according to the embodiment of the invention; alternatively, a memory and a processor, the memory having stored therein computer readable instructions, which when executed by the processor, cause the processor to perform the steps of the voice redundancy braking method according to an embodiment of the invention.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the voice redundancy braking method according to the embodiment of the present invention.
The embodiment of the invention provides a voice redundancy braking method and a system thereof, computer equipment and a computer readable storage medium, which provide a braking redundancy backup for a braking control function of an ADAS system fusing a radar and a camera through voice production of a vehicle owner, and particularly start the voice redundancy braking function when the braking control function of the ADAS system of a vehicle fails, acquire a voice signal sent by the vehicle owner in real time and generate a first message for controlling the braking of the vehicle according to the voice signal, so that the reaction time of the vehicle owner is reduced, the execution time of a mechanical structure is shortened, the reaction distance is shortened, and the collision risk of the vehicle is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a voice redundancy braking method according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the ADAS system implementing the vehicle brake control function.
Fig. 3 is a simplified graph of brake intensity versus sound decibels and their rate of change.
Fig. 4 is a schematic diagram of a voice redundancy braking system according to a second embodiment of the present invention.
Fig. 5 is a schematic diagram illustrating an application of a voice redundancy braking system according to a second embodiment of the present invention.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, well known means have not been described in detail so as not to obscure the present invention.
Example one
The embodiment of the invention provides a voice redundant braking method, which is applied to vehicle brake, can add an intelligent voice redundant braking function to a vehicle and is used as a redundant braking scheme after the brake control function of an ADAS (adaptive cruise control) system fails.
Fig. 1 is a flowchart of the voice redundancy braking method according to the first embodiment, and referring to fig. 1, the method according to the first embodiment includes the following steps S101 to S103:
s101, monitoring whether a brake control function of an ADAS system is invalid in real time in the vehicle running process;
specifically, Advanced Driving Assistance Systems (ADAS) use various sensors (millimeter wave radar, laser radar, monocular/binocular cameras, and satellite navigation) installed in a vehicle to sense the surrounding environment at any time during the Driving process of the vehicle, collect data, perform identification, detection, and tracking of static and dynamic objects, and perform systematic calculation and analysis in combination with navigator map data, thereby allowing a driver to detect a possible danger in advance, effectively increasing the comfort and safety of vehicle Driving, and including a vehicle brake control function.
Referring to fig. 2, in a normal working condition, the ADAS system 100 generates a braking instruction according to a sensing signal of a sensor such as a millimeter wave radar, a laser radar, a single/binocular camera, and the like, and sends the braking instruction to the vehicle braking control unit 200, where the vehicle braking control unit 200 is, for example, an Electronic Stability Controller (ESC) or a braking system (e.g., ebook ECU), the vehicle braking control unit 200 controls the braking actuator 300 to execute the braking instruction according to the braking instruction to perform braking, and the braking actuator 300 is, for example, a hydraulic actuator, and performs braking by using a caliper, a brake disc, and the like.
In the embodiment, whether the brake control function of the ADAS system fails is monitored in real time during the driving process of the vehicle, and it can be understood that the failure determination can be performed through one or more working expression forms of the ADAS system, but the embodiment is not limited to a certain determination form.
Step S102, when the brake control function of the ADAS system fails, generating a voice brake starting signal;
specifically, when the brake control function of the ADAS system is detected to be invalid, a voice brake starting signal is generated, and the voice brake starting signal is an enabling signal which is used for activating the voice redundancy brake function of the vehicle.
And S103, acquiring a first message for controlling the vehicle brake in real time according to the voice brake starting signal and generating the first message according to the voice signal of the driver.
Specifically, step S103 is a specific implementation process of the voice redundancy braking function of the vehicle, and when the voice redundancy braking function of the vehicle is activated, whether a voice signal of the driver is acquired is monitored in real time, and when the voice signal of the driver is acquired, a first message for controlling braking of the vehicle is generated according to the voice signal of the driver.
It should be noted that, in order to avoid that other passengers in the passenger compartment of the vehicle, except for the driver, give a braking instruction to the vehicle to interfere with the driving operation of the driver, in step S103, voice braking is performed only according to the voice signal of the driver, specifically, the voice feature of the driver may be extracted in advance and stored, before the voice braking is performed, the monitored voice feature of the voice signal is compared with the stored voice feature, if the comparison result is consistent, it is indicated that the monitored voice signal is given by the driver, and then a first message is further generated according to the specific content of the voice signal, where the first message is a braking instruction for controlling the braking of the vehicle.
The first message is in a CAN message form, the generated first message is sent to a vehicle brake control unit through a CAN bus of a vehicle, and the vehicle brake control unit controls a brake execution mechanism to execute a brake instruction to perform brake according to the first message after receiving the first message.
By applying the method, after the ADAS system fails, the reaction time and the operation time of a driver can be shortened, the braking distance can be shortened, the collision risk and damage can be reduced, and the safety can be improved.
In an embodiment, the step S103 specifically includes:
step S201, obtaining an in-vehicle voice signal in real time, analyzing the in-vehicle voice signal to obtain a tone characteristic of the in-vehicle voice signal, and comparing the tone characteristic with a preset driver tone characteristic;
specifically, before implementation, the method of the embodiment collects the voice of the driver in advance, analyzes the voice of the driver to obtain the timbre characteristic of the driver, and stores the timbre characteristic of the driver in a storage unit of the vehicle for comparison of the timbre characteristic of the driver.
After the voice redundancy braking function is started, voice signals in the vehicle passenger compartment can be collected in real time through the corresponding sensing units, and the voice signals sent by other passengers can be obtained except for a driver in the vehicle passenger compartment, so that the voice signals need to be distinguished. In this embodiment, one or more in-vehicle voice signals acquired in real time are analyzed to obtain one or more tone features, and then the one or more tone features obtained through analysis are respectively compared with preset driver tone features.
Step S202, if the comparison result shows that the tone color characteristic is consistent with the preset tone color characteristic of the driver, decoding the voice signal in the vehicle to obtain the voice content of the voice signal;
specifically, in step S202, it is determined whether to further decode the in-vehicle speech signal to obtain the speech content thereof according to the comparison result in step S201, and when the comparison result indicates that the tone characteristic is consistent with the preset driver tone characteristic, it indicates that the currently obtained in-vehicle speech signal is sent by the driver, it is further decoded to obtain the speech content thereof, so as to determine whether the driver sends a speech control instruction for braking.
And S203, generating a first message according to the voice content and sending the first message to a vehicle brake control unit.
In an example, the step S203 specifically includes:
comparing the voice content with preset voice content, and if the comparison result is that the voice content is consistent with the preset voice content, generating a first message; and if the comparison result shows that the voice content is inconsistent with the preset voice content, not generating the first message.
Specifically, the preset voice content is content representing a braking instruction, such as "braking", "parking", and the like, for example, in the driving process of the vehicle, the ADAS system fails, the voice redundant braking function of the vehicle is started, and the driver speaks "braking", and after the processing of the above steps S201 to S202, the content of the in-vehicle voice signal is determined to be "braking", which is consistent with the preset voice content "braking", so that it is determined that the driver has sent the voice braking voice instruction, and at this time, the first message is generated.
In another example, the step S203 specifically includes:
step S301, comparing the voice content with preset voice content;
step S302, if the comparison result shows that the voice content is consistent with the preset voice content, acquiring the signal intensity and/or the change rate of the voice signal in the vehicle, determining the braking intensity of a brake according to the signal intensity and/or the change rate, and generating a first message according to the braking intensity and the voice content; and if the comparison result shows that the voice content is inconsistent with the preset voice content, not generating the first message.
Specifically, the preset voice content is content representing a braking instruction, such as "braking" and "braking", for example, in the vehicle driving process, the ADAS system fails, the voice redundancy braking function of the vehicle is started, and the driver speaks "braking", and after the processing of the above steps S201 to S202, the content of the in-vehicle voice signal is determined to be "braking", which is consistent with the preset voice content "braking", so that it is determined that the driver sends the voice braking voice instruction, at this time, the signal strength and/or the change rate of the in-vehicle voice signal is obtained, the braking strength of the braking is determined according to the signal strength and/or the change rate, and finally, a first message is generated according to the braking strength and the voice content, and is sent to the vehicle braking control unit. And after receiving the first message, the vehicle brake control unit controls the vehicle brake actuating mechanism to brake at the brake intensity described by the first message.
It should be noted that the signal strength and/or the change rate of the in-vehicle voice signal may be obtained by analyzing the in-vehicle voice signal, the analysis process may be to obtain the tone characteristic, the signal strength and/or the change rate by analyzing when the in-vehicle voice signal is obtained, or may be to obtain the signal strength and/or the change rate by analyzing after the in-vehicle voice signal is determined to be a voice braking instruction issued by a driver, where the implementation of the method of the embodiment is not affected before and after the step sequence.
Wherein, determining the braking strength of the brake according to the signal strength and/or the change rate specifically comprises:
when the ABS function of the vehicle is not activated, the signal intensity and/or the change rate of the voice signal are/is in direct proportion to the braking intensity of the vehicle brake;
when the ABS function of the vehicle is activated, the braking strength of the vehicle brake is a preset constant value.
Specifically, fig. 3 is a simplified diagram of a functional relationship between brake intensity and sound decibel and a change rate thereof, referring to fig. 3, when the ABS function is not activated, the brake intensity is linearly related to the sound level (dB) and the initial functional relationship between the brake intensity and the sound level (dB) and the change rate (dB/s), but it is necessary to perform fitting and adjustment of the functional relationship according to the performance and actual parameters of the entire vehicle during the matching process of the actual vehicle; after the ABS function is activated, dangerous working conditions such as drifting and the like are not generated while the ground adhesion of the vehicle is fully utilized, and the working conditions are the safest working conditions, so that the braking strength is not increased along with the increase of the sound (dB) and the change rate (dB/s) of the sound (dB), and the braking strength after the ABS function of the vehicle is activated is set to be a constant value.
In an embodiment, the step S101 specifically includes:
s401, monitoring a second message sent to a vehicle brake control unit by the ADAS system in real time;
and S402, judging whether the brake control function of the ADAS system is invalid or not according to the second message, wherein if the second message is lost or the second message is wrong, judging that the brake control function of the ADAS system is invalid.
Specifically, the ADAS system generates a second message, namely a braking instruction, according to sensing signals of sensors such as a millimeter wave radar, a laser radar and a single/binocular camera, and sends the second message to a vehicle braking control unit, and the vehicle braking control unit controls a braking execution mechanism to execute the braking instruction according to the braking instruction to perform braking. The second message has a predetermined format, such as message type, message version, message length, message entity, and so on. In the step, whether the brake control function of the ADAS system is invalid can be judged by monitoring the second message sent by the ADAS system and judging whether the second message sent by the ADAS system is correct or not.
Example two
A second embodiment of the present invention provides a voice redundancy braking system 400, configured to implement the voice redundancy braking method according to the first embodiment of the present invention, fig. 4 is a block diagram of the system according to the second embodiment, and fig. 5 is an application schematic diagram of the system according to the second embodiment, referring to fig. 4-5, where the system includes:
the monitoring unit 1 is used for monitoring whether the brake control function of the ADAS system fails in real time in the running process of the vehicle;
the starting unit 2 is used for receiving the monitoring signal of the monitoring unit and generating a voice braking starting signal when the received monitoring signal indicates that the braking control function of the ADAS system is invalid;
and the voice braking unit 3 is used for acquiring the voice braking starting signal in real time and generating a first message for controlling the vehicle braking according to the voice signal of the driver.
In one embodiment, the voice brake unit 3 includes:
a voice signal acquiring unit 31 for acquiring a voice signal in the vehicle in real time;
the voice signal analysis unit 32 is configured to analyze the in-vehicle voice signal to obtain a tone color characteristic, a signal intensity and/or a change rate of the in-vehicle voice signal;
the tone comparison unit 33 is configured to compare the tone features with preset driver tone features, and send the in-vehicle voice signal to the decoding unit if the comparison result shows that the tone features are consistent with the preset driver tone features;
the decoding unit 34 is configured to receive the in-vehicle speech signal of the tone color comparison unit, and decode the in-vehicle speech signal to obtain a speech content of the in-vehicle speech signal;
a braking strength determining unit 35, configured to determine a braking strength of the brake according to the signal strength and/or the change rate;
and the compiling unit 36 is configured to generate a first message according to the voice content and the braking strength, and send the first message to the vehicle brake control unit 4.
In an embodiment, the monitoring unit 1 comprises:
the message acquisition unit 11 is used for monitoring a second message sent by the ADAS system to the vehicle brake control unit in real time;
and the message analysis unit 12 is configured to determine whether the brake control function of the ADAS system fails according to the second message, where if the second message is lost or the second message is wrong, it is determined that the brake control function of the ADAS system fails.
The above-described system embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the system provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
It should be noted that the system according to the second embodiment corresponds to the method according to the first embodiment, and therefore, a part of the system according to the second embodiment that is not described in detail can be obtained by referring to the content of the method according to the first embodiment, and is not described again here.
Also, the voice redundancy check system, if implemented in the form of a software functional unit and sold or used as a separate product, may be stored in a computer readable storage medium.
EXAMPLE III
An embodiment of the present invention provides a computer device, including: the voice redundancy braking system according to the second embodiment; alternatively, a memory and a processor, the memory having stored therein computer readable instructions, which when executed by the processor, cause the processor to perform the steps of the voice redundancy braking method according to an embodiment.
Of course, the computer device may also have components such as a wired or wireless network interface, a keyboard, and an input/output interface, so as to perform input/output, and the computer device may also include other components for implementing the functions of the device, which are not described herein again.
Illustratively, the computer program may be divided into one or more units, which are stored in the memory and executed by the processor to accomplish the present invention. The one or more units may be a series of computer program instruction segments capable of performing certain functions, which are used to describe the execution of the computer program in the computer device.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is the control center for the computer device and connects the various parts of the overall computer device using various interfaces and lines.
The memory may be used for storing the computer program and/or unit, and the processor may implement various functions of the computer device by executing or executing the computer program and/or unit stored in the memory and calling data stored in the memory. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Example four
A fourth embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the voice redundancy braking method according to the first embodiment.
Specifically, the computer-readable storage medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), etc.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A voice redundancy braking method, comprising:
monitoring whether the brake control function of the ADAS system fails in real time in the running process of the vehicle;
when the brake control function of the ADAS system fails, generating a voice brake starting signal;
and according to the voice brake starting signal, acquiring in real time and generating a first message for controlling vehicle brake according to the voice signal of the driver.
2. The voice redundancy braking method according to claim 1, wherein the obtaining in real time and generating a first message for controlling braking of the vehicle according to the voice signal of the driver comprises:
acquiring an in-vehicle voice signal in real time, analyzing the in-vehicle voice signal to obtain a tone characteristic of the in-vehicle voice signal, and comparing the tone characteristic with a preset driver tone characteristic;
if the comparison result shows that the tone color characteristics are consistent with the preset tone color characteristics of the driver, decoding the voice signal in the vehicle to obtain the voice content of the voice signal;
and generating a first message according to the voice content and sending the first message to a vehicle brake control unit.
3. The voice redundancy braking method according to claim 2, wherein the generating a first message according to the voice content comprises:
and comparing the voice content with preset voice content, and if the comparison result shows that the voice content is consistent with the preset voice content, generating a first message.
4. The voice redundancy braking method according to claim 2, wherein the generating a first message according to the voice content comprises:
analyzing the voice signal in the vehicle to obtain the signal intensity and/or the change rate of the voice signal, and determining the braking intensity of the brake according to the signal intensity and/or the change rate;
and generating a first message according to the braking strength and the voice content.
5. The voice redundancy braking method of claim 4, wherein the determining the braking strength of the brakes according to the signal strength and/or the rate of change comprises:
when the ABS function of the vehicle is not activated, the signal intensity and/or the change rate of the voice signal are/is in direct proportion to the braking intensity of the vehicle brake;
when the ABS function of the vehicle is activated, the braking strength of the vehicle brake is a preset constant value.
6. The voice redundant braking method of any one of claims 1-5, wherein the monitoring in real time whether a braking control function of the ADAS system is disabled comprises:
monitoring a second message sent to the vehicle brake control unit by the ADAS system in real time;
and judging whether the brake control function of the ADAS system is invalid or not according to the second message, wherein if the second message is lost or the second message is wrong, the brake control function of the ADAS system is judged to be invalid.
7. A voice redundancy braking system for implementing the voice redundancy braking method according to any one of claims 1 to 6, comprising:
the monitoring unit is used for monitoring whether the brake control function of the ADAS system fails in real time in the running process of the vehicle;
the starting unit is used for receiving the monitoring signal of the monitoring unit and generating a voice braking starting signal when the received monitoring signal indicates that the braking control function of the ADAS system is invalid;
and the voice braking unit is used for acquiring the voice braking starting signal in real time and generating a first message for controlling the vehicle braking according to the voice signal of the driver.
8. The voice redundant braking system of claim 7, wherein the voice braking unit comprises:
the voice signal acquisition unit is used for acquiring the voice signal in the vehicle in real time;
the voice signal analysis unit is used for analyzing the voice signals in the vehicle to obtain the tone color characteristics, the signal intensity and/or the change rate of the voice signals;
the voice signal processing unit is used for processing the voice signal in the vehicle, and transmitting the voice signal to the voice signal processing unit;
the decoding unit is used for receiving the in-vehicle voice signal of the tone color comparison unit and decoding the in-vehicle voice signal to obtain the voice content of the in-vehicle voice signal;
the braking intensity determining unit is used for determining the braking intensity of the brake according to the signal intensity and/or the change rate;
and the compiling unit is used for generating a first message according to the voice content and the braking strength and sending the first message to the vehicle braking control unit.
9. A computer device, comprising: the voice redundant braking system of any one of claims 7-8; or a memory and a processor, the memory having stored therein computer readable instructions which, when executed by the processor, cause the processor to perform the steps of the voice redundancy braking method according to any of claims 1-6.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program realizing the steps of the voice redundancy braking method according to any one of claims 1 to 6 when being executed by a processor.
CN201911170631.7A 2019-11-26 2019-11-26 Voice redundancy braking method and system, computer equipment and readable storage medium thereof Active CN112951220B (en)

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