CN114655241A - Automobile intelligent multimedia central control screen fatigue driving reminding method - Google Patents
Automobile intelligent multimedia central control screen fatigue driving reminding method Download PDFInfo
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- CN114655241A CN114655241A CN202210295770.8A CN202210295770A CN114655241A CN 114655241 A CN114655241 A CN 114655241A CN 202210295770 A CN202210295770 A CN 202210295770A CN 114655241 A CN114655241 A CN 114655241A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W2040/0818—Inactivity or incapacity of driver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a method for reminding fatigue driving of a control screen in an intelligent multimedia of an automobile, which comprises the following steps: the method comprises the steps that a vehicle operation data acquisition module is connected with a vehicle data bus to acquire vehicle working condition data, the acquired data are transmitted to a CPU, the CPU analyzes the acquired vehicle working condition data based on set data, when the data are abnormal, a voice output and power amplification module is used for inquiring a problem of a driver, a voice acquisition and recognition module is used for reading and analyzing a response of the driver, when the response is wrong or the error exceeds a specified value, warning information pops up through a touch screen, the driver needs to confirm, if the driver does not answer, the driver is judged to be in fatigue driving, and when the touch screen pops up the warning information, the driver does not confirm for a long time, the driver is also considered to be in fatigue driving. The method is realized on the control screen of the intelligent multimedia of the automobile without adding hardware, is realized only by adding software functions, does not increase the use cost of users, and is convenient for popularization and use.
Description
Technical Field
The invention belongs to the technical field of intelligent control of vehicles, and particularly relates to a method for reminding fatigue driving of an intelligent multimedia center control screen of an automobile.
Background
In traffic accidents, a considerable part of accident causes are caused by the fact that a driver is out of control due to fatigue driving, and the causes of fatigue driving mainly comprise physical diseases, repeated use of medicines, insufficient sleep and overtime driving. Particularly, commercial vehicles, drivers have increasingly fatigue driving for economic reasons, causing property and life loss, and thus there is a strong need for an inexpensive and convenient method for reducing the occurrence of fatigue driving events.
And at present, each automobile basically comprises an intelligent multimedia central control screen, the intelligent multimedia central control screen is positioned in the front center of an automobile cab, the equipment is used for providing navigation, entertainment, networking and voice control for a driver, and the equipment is provided with a touch screen, a voice recognition module and a voice synthesis and output module, so that fatigue driving is a behavior that the automobile driver cannot concentrate on attention to operate the automobile due to long-time driving or poor physical state.
The existing fatigue driving monitoring facilities all adopt a camera to monitor eyes of a driver, analyze monitoring images and think that the driver has fatigue driving when the eyes are closed or not blinking for a long time, but the equipment has some defects: 1. the camera device for monitoring the eyes of the driver and analyzing the eye state is expensive, and is generally added by a vehicle purchasing unit or a person after purchasing the camera device by self, so that the cost is increased, and the camera device cannot be popularized in a large area; 2. the mode that the camera monitored driver's eyes receives light and wears the influence of glasses, can cause the emergence of the wrong report of fatigue driving and missing report.
Disclosure of Invention
The invention aims to provide a method for reminding fatigue driving of a control screen in an intelligent multimedia of an automobile, which aims to solve the problem that the existing automobile fatigue driving reminding equipment provided in the background technology cannot be popularized in a large area because a camera device for monitoring the eyes of a driver and analyzing the eye state is expensive and is generally added by a vehicle purchasing unit or a person after purchasing by oneself, so that the cost is increased; and the mode that the camera monitors driver's eyes receives light and wears the influence of glasses, can cause the problem of the emergence of reporting by mistake and the mistake of tired driving.
In order to achieve the purpose, the invention provides the following technical scheme: a method for reminding fatigue driving of an automobile intelligent multimedia center control screen comprises the following steps:
s1, collecting vehicle working condition data by a vehicle operation data collecting module and a vehicle data bus;
s2, transmitting the acquired data to a CPU, and continuously monitoring the vehicle working condition information through the CPU;
s3, analyzing the obtained vehicle working condition data based on the set data by the CPU;
s4, inquiring the driver questions through the voice output and power amplification module when the data are abnormal, and reading and analyzing the answer of the driver through the voice acquisition and recognition module;
s5, when the answer is wrong or the error exceeds the specified value, the warning information is popped up through the touch screen, the driver is required to confirm, and if the answer is not answered, the driver is judged to be fatigue driving;
and S6, when the touch screen pops up the warning information and the driver does not confirm for a long time, the driver is also considered to be fatigue driving.
Preferably, the vehicle operation data includes vehicle speed information, duration of no-pressing on the accelerator pedal, duration of no-pressing on the brake pedal, duration of a change rate of the position of the accelerator pedal of more than 0.1, and duration of a change of the steering wheel angle of more than 5 degrees.
Preferably, when the vehicle speed is greater than 0, the duration of stepping on the accelerator pedal is greater than t0, and when the vehicle speed is equal to 0, the vehicle speed of the vehicle is detected in a circulating manner.
Preferably, when the duration of the accelerator pedal not being pressed is longer than the set time t0, whether the duration of the accelerator pedal not being pressed is longer than the set time t1 or not is continuously detected, and when the duration of the accelerator pedal not being pressed is shorter than the set time t0, whether the duration of the accelerator pedal position change rate is lower than 0.1 or not is directly detected, and whether the duration of the accelerator pedal position change rate is longer than the set time t2 or not is directly detected.
Preferably, when the accelerator pedal position change rate is less than 0.1 for a duration greater than the set value t2, the duration for which the detected change in the steering wheel angle is greater than t3 is greater than 5 degrees.
Preferably, the question asked to the driver in step S4 is a synthesized voice asking for the current vehicle speed, and the question answered by the driver is the current vehicle speed.
Preferably, when fatigue driving is judged, the event at the cloud end is stored and uploaded, and the voice prompting parking and rest is played repeatedly.
Compared with the prior art, the invention has the beneficial effects that:
1. the method is realized on the intelligent multimedia central control screen of the automobile, and the adopted hardware is a CPU, a touch screen, a sound pickup, a voice acquisition module, a voice output and power amplification module, an in-automobile loudspeaker and a vehicle operation data acquisition module in the central control screen, the hardware is not added, the method is realized only by adding software functions, the use cost of a user is not increased, and the method is convenient to popularize and use.
2. The method initially judges whether the driver is in the fatigue driving state or not by collecting the position of an accelerator pedal, the position of a brake and the steering wheel angle of the vehicle and combining the vehicle speed, and then confirms whether the driver is in the fatigue driving state or not through voice interaction and touch screen interaction, so that the accuracy of fatigue driving judgment is improved.
Drawings
FIG. 1 is a block diagram of the hardware components of the present invention;
fig. 2 is a software operation flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a method for reminding fatigue driving of an automobile intelligent multimedia center control screen comprises the following steps:
s1, collecting vehicle working condition data by a vehicle operation data collecting module and a vehicle data bus;
s2, transmitting the acquired data to a CPU, and continuously monitoring the vehicle working condition information through the CPU;
s3, the CPU analyzes the obtained vehicle working condition data based on the set data;
s4, inquiring the driver questions through the voice output and power amplification module when the data are abnormal, and reading and analyzing the answer of the driver through the voice acquisition and recognition module;
s5, when the answer is wrong or the error exceeds the designated value, the warning information is popped up through the touch screen, the driver is required to confirm, if the answer is not correct, the driver is judged to be tired driving;
and S6, when the touch screen pops up the warning information and the driver does not confirm for a long time, the driver is also considered to be fatigue driving.
The vehicle operation data acquisition module acquires the position of an accelerator pedal, the position of a brake pedal, the steering wheel angle and the vehicle speed of a vehicle; the touch screen inputs operation information of a user and displays an interactive interface; the voice acquisition and recognition module acquires the voice of a driver, recognizes the voice content and converts the voice content into characters; the voice output and power amplification module converts the synthesized voice data into sound, amplifies the sound and drives a loudspeaker in the vehicle to play, and the CPU runs vehicle running data analysis software, logic judgment software, man-machine interaction software, voice recognition entry processing software and voice synthesis software.
The vehicle operation data comprises vehicle speed information, duration of non-stepping on an accelerator pedal, duration of non-stepping on a brake pedal, duration of which the position change rate of the accelerator pedal is larger than 0.1 and duration of which the change of the steering wheel angle is larger than 5 degrees.
When the vehicle speed is greater than 0, the duration of stepping on the accelerator pedal is greater than t0, and when the vehicle speed is equal to 0, the vehicle speed of the vehicle is detected in a circulating mode.
When the duration of the accelerator pedal not being stepped on is longer than the set time t0, whether the duration of the accelerator pedal not being stepped on is longer than the set time t1 or not is continuously detected, and when the duration of the accelerator pedal not being stepped on is shorter than the set time t0, whether the duration of the accelerator pedal position change rate is lower than 0.1 or not is directly detected, and whether the duration of the accelerator pedal position change rate is longer than the set time t2 or not is directly detected.
When the accelerator pedal position change rate is lower than 0.1 and the duration is greater than the set value t2, the duration for detecting that the steering wheel angle change is greater than 5 degrees is greater than t 3.
In step S4, the question asked to the driver is synthesized speech asking for the current vehicle speed, and the question answered by the driver is the current vehicle speed.
When fatigue driving is judged, the events are stored and uploaded to the cloud, and voices prompting parking and rest are played repeatedly.
The working principle and the using process of the invention are as follows: the software analyzes the acquired vehicle working state data in real time, and if the vehicle speed is not 0, namely the vehicle is running, and the driver is detected not to step on an accelerator pedal and a brake pedal within a certain time, the driver is preliminarily judged to be in a fatigue driving state; if the driver is detected to be in a fatigue driving state, the driver does not obviously change for a long time, and the steering wheel is detected to have small rotation amplitude, namely the driver does not have obvious operation actions on feet and hands, the driver is preliminarily judged to be in the fatigue driving state. After preliminarily judging that the driver is in the fatigue state, immediately further determining whether the driver is in the fatigue state through voice interaction, wherein the steps are as follows: synthesizing a voice question for inquiring the current speed of the driver, playing the voice question through a loudspeaker in the vehicle, then collecting the answer sound of the driver, if the answer is not answered or the difference between the voice answer extracted by the voice recognition program and the actual speed of the vehicle is too large, further confirming that the driver is in a fatigue driving state, finally popping up a prompt box through a touch screen, requesting the driver to click the touch screen through hands through voice, and if the driver does not click, finally confirming that the driver is in the fatigue driving state, and then repeatedly reminding the driver to stop for rest through voice.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A method for reminding fatigue driving of an automobile intelligent multimedia center control screen is characterized by comprising the following steps: the method comprises the following steps:
s1, collecting vehicle working condition data by a vehicle operation data collecting module and a vehicle data bus;
s2, transmitting the acquired data to a CPU, and continuously monitoring the vehicle working condition information through the CPU;
s3, the CPU analyzes the obtained vehicle working condition data based on the set data;
s4, inquiring the driver questions through the voice output and power amplification module when the data are abnormal, and reading and analyzing the answer of the driver through the voice acquisition and recognition module;
s5, when the answer is wrong or the error exceeds the specified value, the warning information is popped up through the touch screen, the driver is required to confirm, and if the answer is not answered, the driver is judged to be fatigue driving;
and S6, when the touch screen pops up the warning information and the driver does not confirm for a long time, the driver is also considered to be fatigue driving.
2. The automobile intelligent multimedia central control screen fatigue driving reminding method according to claim 1, characterized in that: in step S1, the vehicle condition data includes vehicle speed information, duration of no-pressing of the accelerator pedal, duration of no-pressing of the brake pedal, duration of accelerator pedal position change rate greater than 0.1, and duration of steering wheel angle change greater than 5 degrees.
3. The automobile intelligent multimedia central control screen fatigue driving reminding method according to claim 2, characterized in that: the step S3 includes the following steps:
s31: when the vehicle speed is greater than 0, whether the duration of stepping on the accelerator pedal is greater than a set value t0 is detected, and when the vehicle speed is equal to 0, the vehicle speed of the vehicle is detected in a circulating mode.
4. The automobile intelligent multimedia central control screen fatigue driving reminding method according to claim 3, characterized in that: the step S3 includes the following steps:
s32: when the duration of the accelerator pedal is not stepped on is greater than a set value t0, whether the duration of the brake pedal is not stepped on is continuously detected to be greater than a set value t1, and when the duration of the accelerator pedal is not stepped on is less than a set value t0, whether the duration of the accelerator pedal position change rate is less than 0.1 is directly detected to be greater than a set value t 2;
and S33, when the duration of the brake pedal is not stepped on is greater than the set value t1, executing the step S4.
5. The automobile intelligent multimedia center control screen fatigue driving reminding method according to claim 4, characterized in that: the step S3 includes the following steps:
s34: when the accelerator pedal position change rate is less than 0.1 for a duration greater than the set value t2, the duration for detecting the change of the steering wheel angle greater than 5 degrees is greater than t3, otherwise, step S1 is executed.
6. The automobile intelligent multimedia central control screen fatigue driving reminding method according to any one of claims 1-5, characterized in that: the question asked to the driver in step S4 is a synthesized voice asking for the current vehicle speed, and the question answered by the driver is the current vehicle speed.
7. The automobile intelligent multimedia center control screen fatigue driving reminding method according to claim 6, characterized in that: the step S4 includes the following steps:
s41: synthesizing and playing the voice inquiring the current vehicle speed, and waiting for the voice of the driver answering the question;
s42: judging whether the waiting time is overtime, if yes, judging the fatigue driving, and executing step S45;
s43: if the waiting time is not over, extracting entries in the voice for answering the question, judging whether the error between the speed of the answer and the actual speed is less than 20%, if the error is less than 20%, popping up a prompt box on a touch screen, and prompting a user to click for confirmation by voice, and executing step S44, if the error is more than 20%, executing step S45;
step S44: detecting whether the user clicks and confirms whether to wait for overtime, if not, executing the step S1, and if so, executing the step S45;
step S45: and judging the driver to be in fatigue driving, storing and uploading the event at the cloud, and repeatedly playing the voice for prompting parking and rest.
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| CN202210295770.8A CN114655241A (en) | 2022-03-24 | 2022-03-24 | Automobile intelligent multimedia central control screen fatigue driving reminding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116360911A (en) * | 2023-05-10 | 2023-06-30 | 长城汽车股份有限公司 | Application control method, device, vehicle and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116360911A (en) * | 2023-05-10 | 2023-06-30 | 长城汽车股份有限公司 | Application control method, device, vehicle and storage medium |
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