CN113753052A - Whole car safety intelligence drive control system of new energy automobile - Google Patents
Whole car safety intelligence drive control system of new energy automobile Download PDFInfo
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- CN113753052A CN113753052A CN202111021861.4A CN202111021861A CN113753052A CN 113753052 A CN113753052 A CN 113753052A CN 202111021861 A CN202111021861 A CN 202111021861A CN 113753052 A CN113753052 A CN 113753052A
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- 238000001514 detection method Methods 0.000 claims abstract description 57
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
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- 238000010926 purge Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 230000004927 fusion Effects 0.000 abstract description 5
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- 238000012545 processing Methods 0.000 abstract description 3
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- 230000002618 waking effect Effects 0.000 description 1
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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
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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
- B60W40/02—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 ambient conditions
- B60W40/04—Traffic conditions
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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
- B60W40/02—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 ambient conditions
- B60W40/06—Road conditions
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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
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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
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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
- 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
- B60W2050/0001—Details of the control system
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Traffic Control Systems (AREA)
Abstract
The application discloses whole vehicle safety intelligence drive control system of new energy automobile, including total accuse unit, vehicle information state detecting element, supplementary drive unit, traffic environment perception unit and driver information detecting element. The safe intelligent driving control system fuses various information, and a driving auxiliary system and a safe driving detection system are fused into a whole, so that the driving auxiliary system and the safe driving detection system are combined and can share a plurality of hardware devices, the vehicle manufacturing cost is reduced, and the system fusion degree is increased; and a plurality of interior and exterior information such as road information outside the car, car interior environmental information, driver's information are gathered, and the signal variety of gathering is diversified to obtain more bases when handling information, thereby make the processing of information more accurate.
Description
Technical Field
The application relates to the field of safe driving, in particular to a whole new energy automobile safe intelligent drive control system.
Background
At present, technologies and products related to automobile safety are more, for example, some automatic driving systems are gradually appeared in the market, but the automatic driving systems are stopped in a test research stage and cannot be completely applied in a large scale, and the main reasons are that the technologies are not mature on the one hand and the technical problems of human, automobile and road cooperation are not completely solved. In addition, a process of breaking through gradually is needed in the development path of the technology, before complete automatic driving is realized, some intelligent controls are adopted at present, more targets are placed in safe driving, and the driver is helped to realize safer driving through an auxiliary safe driving system. The automobile safe driving system needs to collect, integrate and process various information inside and outside the automobile and give corresponding reminding or decision, so the comprehensiveness of the whole information collection and the accuracy of the information processing are very critical, but the existing control system is relatively limited in information collection, and the collection and judgment of single or less information are difficult to realize higher-level safe driving assistance.
Disclosure of Invention
The purpose of the invention is as follows: the application aims at overcoming the defects of the prior art and provides a whole new energy automobile safety intelligent drive control system.
The technical scheme is as follows: the whole new energy automobile safety intelligent drive control system comprises a master control unit, an automobile information state detection unit, an auxiliary driving unit, a traffic environment sensing unit and a driver information detection unit.
Further, the vehicle information state detection unit comprises a temperature detection unit, a humidity detection unit, a smoke detection unit, an alcohol detection unit and a carbon dioxide concentration detection unit.
Furthermore, other sensors for guaranteeing the quality of air in the automobile, such as a formaldehyde sensor, can be arranged.
Furthermore, the auxiliary driving unit comprises a wireless communication unit, a reversing image unit, a collision radar early warning unit, an automatic parking unit, a parallel line auxiliary unit and a lane departure early warning unit.
Further, an adaptive cruise or low-level automatic driving function may also be provided.
Furthermore, the traffic environment perception unit comprises a GPS unit, a navigation unit, a plurality of visual information acquisition units, a plurality of radar units and a plurality of ultrasonic detection units.
Furthermore, the master control unit carries out traffic identification, fixed obstacle identification, pedestrian identification, two-wheel/three-wheel vehicle identification and motor vehicle identification according to the information of the GPS unit, the navigation unit, the plurality of visual information acquisition units, the plurality of radar units and the plurality of ultrasonic detection units.
Further, the radar is a millimeter wave radar or a laser radar. The cost and the measurement precision can be integrated, and a proper combination of the millimeter wave radar and the laser radar can be selected.
Further, the driver information detection unit comprises a fatigue reminding unit and a driver information detection unit; the fatigue reminding unit comprises a sound reminding unit and a cold air purging reminding unit; the driver information detection unit comprises a main driving image acquisition unit, a copilot image acquisition unit and a rear seat image acquisition unit, wherein the main driving image acquisition unit and the copilot image acquisition unit are used for carrying out eye detection, mouth detection and head detection on a driver; the back row seat image acquisition unit is used for detecting the number of people in the back row seats.
Furthermore, the main driving image acquisition unit has 2, is respectively positive image acquisition unit and side image acquisition unit.
Because the driver of the main driver seat is vital to safe driving, the two image acquisition units are arranged, so that the acquired information is more accurate.
Has the advantages that: the safe intelligent driving control system of the application has the following advantages compared with the existing safe driving system at least:
1) various information is fused, and a driving auxiliary system and a detection system for safe driving are fused into a whole, so that the driving auxiliary system and the detection system for safe driving are combined and can share a plurality of hardware devices, the cost for manufacturing the vehicle is reduced, and the fusion degree of the system is increased;
2) a plurality of inside and outside information such as road information outside the car, car interior environmental information, driver's information are gathered, and the signal variety of gathering is diversified to obtain more bases when handling information, thereby make the processing of information more accurate.
3) The road traffic detection unit takes the synergistic effect of a researcher, a vehicle and a road into consideration at multiple angles, and is provided with a plurality of sensors (vision, ultrasonic waves and radars), so that the judgment of road information outside the vehicle is more comprehensive and accurate.
4) The information acquisition of drivers and passengers in the automobile is more diversified, so that the judgment and reminding of fatigue driving and alcohol driving are more accurate.
Drawings
FIG. 1 is a general schematic diagram of an intelligent drive control system;
FIG. 2 is a schematic view of a vehicle information state detection unit;
FIG. 3 is a schematic view of a driving assistance unit;
FIG. 4 is a schematic diagram of a traffic environment sensing unit;
fig. 5 is a driver information detection unit.
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.
As shown in the figure: the whole new energy automobile safety intelligent drive control system comprises a master control unit, an automobile information state detection unit, an auxiliary driving unit, a traffic environment sensing unit and a driver information detection unit. The vehicle information state detection unit comprises a temperature detection unit, a humidity detection unit, a smoke detection unit, an alcohol detection unit and a carbon dioxide concentration detection unit. The auxiliary driving unit comprises a wireless communication unit, a reversing image unit, a collision radar early warning unit, an automatic parking unit, a doubling auxiliary unit and a lane departure early warning unit.
In addition, more auxiliary driving functions and automatic driving functions with lower levels can be arranged, so that the operation burden of a driver is further reduced, the driving of the driver is further assisted, and in addition, hardware required by the auxiliary driving can be shared with hardware of other three subsystems, so that the investment of the hardware is reduced, and the cost of the whole vehicle is reduced.
In addition, the traffic environment perception unit comprises a GPS unit, a navigation unit, a plurality of visual information acquisition units, a plurality of radar units and a plurality of ultrasonic detection units. The general control unit carries out traffic identification, fixed obstacle identification, pedestrian identification, two-wheel/three-wheel vehicle identification and motor vehicle identification according to the information of the GPS unit, the navigation unit, the plurality of visual information acquisition units, the plurality of radar units and the plurality of ultrasonic detection units. The radar is a millimeter wave radar or a laser radar.
The traffic signs, road vehicles and obstacles, and the pedestrian road traffic environment are detected in real time by using various sensors (such as laser, ultrasonic wave, microwave, vision, GPS, road information, and the like) on the vehicle. The road traffic sign monitoring mainly comprises the steps of monitoring and identifying an interested area by a camera, and distinguishing the background and color of the traffic sign and classifying by a system; the pedestrian monitoring is carried out by an infrared camera, an ultrasonic sensor, a radar and the like; road condition monitoring mainly comprises monitoring information such as ice and snow, road surface friction, road surface potholes and the like by a vehicle-mounted real-time sensor (an infrared sensor, a laser sensor and a vision sensor).
The driver information detection unit comprises a fatigue reminding unit and a driver information detection unit; the fatigue reminding unit comprises a sound reminding unit and a cold air purging reminding unit; the driver information detection unit comprises a main driving image acquisition unit, a copilot image acquisition unit and a rear seat image acquisition unit, wherein the main driving image acquisition unit and the copilot image acquisition unit are used for carrying out eye detection, mouth detection and head detection on a driver; the back row seat image acquisition unit is used for detecting the number of people in the back row seats. The number of the main driving image acquisition units is 2, and the main driving image acquisition units are respectively a front image acquisition unit and a side image acquisition unit.
Corresponding safety measures are jointly decided by monitoring the facial expressions of the driver, such as aiming at the phenomena of frequent eye rubbing, yawning, frequent head lowering and the like, and combining signals of external sensors of the automobile. The method for monitoring the driver in real time during normal operation of the automobile comprises the following specific steps: the human eye detection method comprises the following steps: the eyes have the conditions of opening, semi-closing and closing, and different states of the driver are distinguished by tracking a plurality of key points of the eyes in real time. Provides basis for the characteristics of the fatigue driving problem. The degree of opening and closing of eyes is judged through the intermittent time, the state of human eyes is researched and analyzed, and whether the driver is in a waking state or a fatigue state is judged. Human mouth detection and state analysis: in order to better monitor the fatigue degree of the driver, the opening and closing size of the mouth is also the judgment basis while the judgment is carried out by eyes.
In addition, the judging mode of the application also considers the fatigue condition of the copilot and the riding condition of the rear seats, comprehensively judges whether the passenger is overloaded or not, comprehensively judges the fatigue conditions of other passengers and further comprehensively judges whether the driver has the risk of fatigue driving or not. The judgment is more accurate through the integral judgment of the driver and the passengers.
The intelligent drive control system of the application acquires corresponding fusion information by setting 4 subsystems and performing comprehensive processing on a plurality of similar sensors or a plurality of heterogeneous sensors through information fusion technical research of various intelligent algorithms, and can acquire richer, accurate and more reliable information than information acquired by singly using a certain sensor. The multi-sensor fusion technology has the greatest characteristic that information provided by a plurality of similar or heterogeneous sensors can be effectively fused, a target can be effectively judged by utilizing the fused information, and the defect that a single sensor has a blind area is overcome. Therefore, larger information acquisition amount is realized, more accurate information processing and judgment are realized, and the guarantee for safe driving of the automobile is stronger.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (8)
1. The whole new energy automobile safety intelligent drive control system is characterized by comprising a master control unit, an automobile information state detection unit, an auxiliary driving unit, a traffic environment sensing unit and a driver information detection unit.
2. The whole vehicle safety intelligent drive control system of the new energy vehicle as claimed in claim 1, wherein the vehicle information state detection unit comprises a temperature detection unit, a humidity detection unit, a smoke detection unit, an alcohol detection unit and a carbon dioxide concentration detection unit.
3. The whole new energy automobile safety intelligent drive control system according to claim 1, wherein the auxiliary driving unit comprises a wireless communication unit, a reversing image unit, a collision radar early warning unit, an automatic parking unit, a merging auxiliary unit and a lane departure early warning unit.
4. The whole new energy automobile safety intelligent driving control system according to claim 1, wherein the traffic environment sensing unit comprises a GPS unit, a navigation unit, a plurality of visual information acquisition units, a plurality of radar units and a plurality of ultrasonic detection units.
5. The whole new energy automobile safety intelligent driving control system according to claim 4, wherein the master control unit performs traffic sign recognition, fixed obstacle recognition, pedestrian recognition, two-wheel/three-wheel/vehicle recognition and motor vehicle recognition according to information of the GPS unit, the navigation unit, the plurality of visual information acquisition units, the plurality of radar units and the plurality of ultrasonic detection units.
6. The whole vehicle safety intelligent drive control system of the new energy vehicle as claimed in claim 4, wherein the radar is a millimeter wave radar or a laser radar.
7. The whole new energy automobile safety intelligent drive control system is characterized in that the driver information detection unit comprises a fatigue reminding unit and a driver information detection unit; the fatigue reminding unit comprises a sound reminding unit and a cold air purging reminding unit; the driver information detection unit comprises a main driving image acquisition unit, a copilot image acquisition unit and a rear seat image acquisition unit, wherein the main driving image acquisition unit and the copilot image acquisition unit are used for carrying out eye detection, mouth detection and head detection on a driver; the back row seat image acquisition unit is used for detecting the number of people in the back row seats.
8. The whole new energy automobile safety intelligent drive control system of claim 7, wherein the number of the main drive image acquisition units is 2, and the main drive image acquisition units are a front image acquisition unit and a side image acquisition unit respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111021861.4A CN113753052A (en) | 2021-09-01 | 2021-09-01 | Whole car safety intelligence drive control system of new energy automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111021861.4A CN113753052A (en) | 2021-09-01 | 2021-09-01 | Whole car safety intelligence drive control system of new energy automobile |
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