CN107571819B - Driving assistance system, method and vehicle - Google Patents
Driving assistance system, method and vehicle Download PDFInfo
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- CN107571819B CN107571819B CN201610522650.1A CN201610522650A CN107571819B CN 107571819 B CN107571819 B CN 107571819B CN 201610522650 A CN201610522650 A CN 201610522650A CN 107571819 B CN107571819 B CN 107571819B
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Abstract
The invention relates to a driving assistance system and method for a vehicle, and a vehicle. A driving assistance system for a vehicle, comprising: a physical condition detection device including a sensor and capable of collecting a state parameter of the person seated on the seat by the sensor, the state parameter being related to a physical condition of the person; and a control device capable of judging whether the person belongs to the caring crowd according to the state parameters collected by the physical condition detection device, wherein when the person is judged to belong to the caring crowd, the control device adjusts the safety and comfort system of the vehicle accordingly to be suitable for the caring crowd.
Description
Technical Field
The present invention relates to the field of vehicle technology, and more particularly, to a driving assistance system, method and vehicle for a vehicle.
Background
With the popularization of vehicle use, more and more people prefer to select a vehicle as a transportation tool when going out. Although the environment in the vehicle is comfortable compared to the subway and the bus, for a special population, such as pregnant women who are passengers or drivers, and passengers who are physically uncomfortable, a lot of discomfort is still generated in the vehicle, and special care needs to be taken. Therefore, the comfort and safety of such persons in vehicles are increasingly being regarded as important.
In particular, when a pregnant woman is seated as a passenger in an existing vehicle, the following uncomfortable feeling may be generated. For example, the pregnant woman is bulkier than the ordinary person in body shape, so that the seat is too narrow in riding space; because the body bearing capacity of the pregnant woman is poor, the pregnant woman is easy to feel nausea when the vehicle accelerates or decelerates, and in addition, the pregnant woman is difficult to bear the shaking and jolting of the vehicle.
When the pregnant woman drives in the cab as a driver, the pregnant woman moves slowly due to the physical reasons of the pregnant woman, so that the pregnant woman cannot react as quickly as a normal driver under the condition of emergency road conditions; when the door is opened, the pregnant woman lacks strength, and the door is also difficult to open.
For this reason, there is a need for a driving assistance system and method that can improve the comfort of a person who needs to be cared for riding in a vehicle, and in particular, reduce the difficulty of a pregnant woman driving the vehicle.
Disclosure of Invention
An object of the present invention is to provide a driving assistance system and a driving assistance method for a vehicle, which can automatically recognize and detect whether or not there is a crowd in the vehicle that needs to be cared for, and improve the comfort thereof when riding in the vehicle. It is another object of the present invention to provide a vehicle having the above function.
In order to achieve the purpose, the invention adopts the following technical scheme:
according to an aspect of the present invention, there is provided a driving assistance system for a vehicle, including: a physical condition detection device including a sensor and capable of collecting a state parameter of the person seated on the seat by the sensor, the state parameter being related to a physical condition of the person; and a control device capable of judging whether the person belongs to the caring crowd according to the state parameters collected by the physical condition detection device, wherein when the person is judged to belong to the caring crowd, the control device adjusts the safety and comfort system of the vehicle accordingly to be suitable for the caring crowd.
According to an aspect of the present invention, the control device is capable of determining whether the state parameter matches a preset range, and determining that the person belongs to a caring crowd when the state parameter matches the preset range.
According to one aspect of the invention, the status parameter is a physiological parameter of one or more body parts of the person; and the sensor comprises a physiological sensor for measuring a physiological parameter.
According to one aspect of the invention, the status parameter is a contour parameter of one or more body parts of the person; the sensor comprises an image collector for collecting images of people; and the physical status detecting apparatus further comprises a parameter extracting unit capable of extracting contour parameters from the image.
According to an aspect of the invention, the control device comprises at least one of: a dynamic control unit for controlling parameters of a dynamic driving subsystem of a safety and comfort system of a vehicle; a safety protection unit for controlling parameters of a safety protection subsystem of a safety and comfort system of a vehicle; a door control unit for controlling parameters of a door subsystem of a safety and comfort system of the vehicle; a seat control unit for controlling parameters of a seat subsystem of a safety and comfort system of a vehicle; an air conditioning control unit for controlling parameters of an air conditioning subsystem of a safety and comfort system of a vehicle; wherein, when judging that the personnel belongs to the caring crowd, the control device executes at least one operation of the following items: the dynamic control unit adjusts speed control parameters of the dynamic driving subsystem to enable the speed change of the vehicle to respond to the command of increasing or decreasing the speed more early and softly; the dynamic control unit adjusts the maximum acceleration threshold value of the dynamic driving subsystem, so that the acceleration of the vehicle does not exceed the maximum acceleration threshold value; the dynamic control unit adjusts suspension control parameters of the dynamic driving subsystem, and reduces impact of uneven ground on the vehicle; the safety protection unit adjusts the tension degree of a safety belt of the safety protection subsystem; the door control unit adjusts the door subsystem to provide an auxiliary force for opening and/or closing the door; the seat control unit adjusts the position of the seat subsystem.
According to an aspect of the present invention, the sensor includes a position sensor for collecting position information of the person, the control means is capable of judging whether the caring crowd is a driver based on the position information, and when the caring crowd is judged to be the driver, the control means performs at least one of the following operations: the safety protection unit adjusts the position of a steering wheel of the safety protection subsystem, so that the steering wheel is separated from the caring people by a proper distance; the safety protection unit adjusts the threshold value of the control parameter of the warning signal of the safety protection subsystem, so that the warning signal is easier to trigger.
According to an aspect of the invention, the status parameter further comprises a time of pregnancy when the group of care persons is determined to be pregnant, the control means adjusting the output to the safety and comfort system in dependence on the time of pregnancy.
According to an aspect of the invention, the physical status detecting device further comprises at least one of a manual input unit, a voice input unit and a remote communication unit for inputting the status parameters of the person.
According to another aspect of the present invention, there is provided a vehicle including: the driving assistance system described above.
According to still another aspect of the present invention, there is provided a driving assistance method for a vehicle, including: collecting state parameters of a person sitting on the seat, wherein the state parameters are related to the physical condition of the person; and judging whether the personnel belong to the caring crowd according to the collected state parameters, wherein when the personnel belong to the caring crowd, the safety and comfort system of the vehicle is correspondingly adjusted to be suitable for the caring crowd.
By adopting the driving assistance system, the driving assistance method and the vehicle for the vehicle, whether a person belongs to a caring crowd can be automatically calculated and analyzed by acquiring state parameters related to the physical condition of the person sitting on the seat, and the accuracy of identifying and analyzing the caring crowd in the vehicle is effectively improved. When the person on the seat is judged to belong to the caring crowd, the safety and comfort system of the vehicle is correspondingly adjusted to be suitable for the person, the comfort of the caring crowd taking the vehicle can be improved, and the condition that the caring crowd feels uncomfortable and aggravates due to the fact that the environment in the vehicle is uncomfortable is prevented.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic view showing a driving assistance system according to an embodiment of the invention;
fig. 2 is a schematic view showing a driving assistance system according to another embodiment of the invention;
fig. 3 is a flowchart illustrating a driving assistance method according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, which is defined by the claims, i.e., the invention is not limited to the preferred embodiments described.
A driving assistance system according to an embodiment of the invention is intended to be mounted or integrated on a vehicle (e.g. a car, a passenger car or a lorry etc.) and is capable of detecting whether a person in a seat in the vehicle belongs to a group of care persons, e.g. pregnant women, persons with physical discomfort (e.g. sickness, fever etc.) etc. and adapting the safety and comfort system of the vehicle accordingly to the group of care persons.
Fig. 1 is a schematic diagram showing a driving assistance system according to an embodiment of the invention. As shown in the drawing, the driving assistance system 100 includes a physical condition detection device 110 and a control device 120.
The physical status detection means 110 are used to detect one or more status parameters of a person sitting in one or more seats, e.g. a driver's seat, a passenger's seat, related to the physical status of the person. According to some embodiments of the invention, the driving assistance system 100 may comprise one or more sensors to detect one or more physiological parameters or contour parameters of the person as the status parameter. The status parameter is related to the physical condition of the person.
For example, as shown in fig. 1, the physical status detecting device 110 may include an image collector 111 and a physiological sensor 112. The image collector 111 may be configured to collect an image of a person, so that the control device 120 can extract contour parameters of one or more body parts of the person from the image, where the contour parameters may include a body contour parameter, a facial contour parameter, a hair style contour parameter, a facial expression parameter, and the like. The physiological sensor 112 may be used to measure physiological parameters of one or more body parts of the person, wherein the physiological parameters include a body temperature parameter, a heart rate parameter, an amount of hand perspiration, and the like.
Therefore, the image collector 111 of the body condition detection device 110 may include a camera and an infrared imaging device, and the physiological sensor 112 of the body condition detection device 110 may include a body temperature sensor, a heart rate sensor and a hand output sensor. However, those skilled in the art will appreciate that the type and number of sensors of the physical status detecting device 110 according to the present invention are not limited to the above. According to an embodiment of the present invention, the body condition detecting device 110 may include other types of sensors in addition to the above-described sensors. For example, the physiological sensor 112 may further include a blood pressure sensor, a breath alcohol concentration sensor, and the like, which may be used to detect physiological parameters such as blood pressure, breath alcohol concentration, and the like of the vehicle occupant.
According to some embodiments of the invention, the sensors of the driving assistance system 100 may be mounted on the vehicle. For example, the image collector 111 may be mounted on a rear view mirror of a vehicle. In this case, the image collector 111 may collect images of all persons on seats in the vehicle, so that the vehicle can be detected by only one image collector 111. The image collector 111 may be installed at the front end of each seat. In this case, each image collector 111 correspondingly collects an image of a person on a seat in a relative position, and extracts contour parameters from the image. This arrangement allows the control unit 120 to obtain information corresponding to the person and the location without a large number of calculations, and can shorten the calculation time of the control unit 120 and improve the accuracy. As another example, the physiological sensor 112 may be mounted on the steering wheel of the vehicle. In this case, the physiological sensor 112 may detect the corresponding physiological parameter of the driver when the driver's hand holds the steering wheel. However, those skilled in the art will appreciate that the mounting location of the physiological sensor 112 is not limited to the steering wheel. When the physiological sensor 112 is installed in a seat, a seat belt, or the like, the physiological sensor 112 may be used to detect a corresponding physiological parameter of the occupant at the corresponding location.
According to an embodiment of the present invention, the physiological sensor 112 may detect physiological signals of the person in a contact manner and/or a non-contact manner. By contact, it is meant that the sensor, e.g., electrode, etc., is in direct contact with the body of the person (e.g., finger, palm, etc.) to detect the corresponding physiological signal. For example, sensors that detect physiological signals in contact may include, but are not limited to: contact body temperature sensors, heart rate sensors, hand perspiration sensors, etc. The non-contact mode means that the sensor detects corresponding physiological signals by using media such as photoelectric signals, acoustic signals and the like under the condition of not contacting the human body. For example, sensors that detect physiological signals in a non-contact manner may include, but are not limited to: light wave sensors, infrared sensors, ultrasonic sensors, and the like.
The control device 120 may be in communication with the physical status detection device 110 and may be able to determine whether the person belongs to the caring crowd based on the status parameters collected by the physical status detection device 110. According to some embodiments of the present invention, the control device 120 is capable of determining whether the state parameters match a preset range, and determining that the person belongs to the caring crowd when at least one of the state parameters matches the preset range. Therefore, the embodiment of the invention can automatically identify and judge the body condition of the vehicle occupant according to the detection, has better accuracy and provides a convenient and comfortable vehicle riding environment for the vehicle occupant.
For example, the physical status detecting apparatus further includes a parameter extracting unit that receives the image of the person captured by the image capturing device 111 and is capable of extracting contour parameters of one or more body parts of the person from the image. In this case, the control device 120 may store mathematical models and parameter ranges such as body contour parameters, face contour parameters, hair style contour parameters, and facial expression parameters, respectively. The face contour parameter and the hair style parameter extracted from the image may be compared with a face contour parameter range and a hair style parameter range stored in advance, and the gender of the person may be determined. The facial expression parameters extracted from the image may be compared with pre-stored facial expression parameters, which are expression parameters representing pain. If the control device 120 determines that the extracted facial expression parameters match the pre-stored facial expression parameter ranges, it is judged that it is physically uncomfortable and belongs to the caring crowd. The body contour parameters extracted from the image may be compared with pre-stored body contour parameters, which are body contour parameters of the pregnant woman. If the control device 120 has determined that the person is a female and that the extracted body contour parameters match the pre-stored body contour parameter ranges, it is determined that it is a pregnant woman, belonging to the caring crowd.
According to an embodiment of the present invention, the control device 120 may determine that the person belongs to the caring crowd when determining that any one of the detected facial expression parameter and body contour parameter matches a preset parameter range. When only one image pickup device 111 is provided on the rear view mirror of the vehicle, the control device 120 determines that the person belongs to the caregiver by calculating and analyzing the image to determine the position of the seat where the caregiver is located, thereby determining whether the caregiver is the driver or the passenger. In another embodiment, a position sensor for collecting information on the position of the person may be further provided, so that the control device 120 directly judges the position of the seat in which the care person is located.
In another embodiment, the control device 120 may further preset a range of parameters such as a body temperature parameter, a heart rate parameter, a hand perspiration amount, and the like. After the body temperature sensor detects the body temperature of the driver and the body temperature is transmitted to the control device 120, the control device 120 may compare the detected body temperature with a pre-stored body temperature reference range. If the control device 120 determines that the detected body temperature is not within the pre-stored body temperature reference range, it determines that the body temperature of the driver is abnormal. Similarly, the control device 120 may compare whether the detected other types of state parameters (e.g., heart rate, amount of perspiration of the hands, etc.) are within the reference ranges stored in advance, and determine whether the corresponding state parameters are abnormal. The control means 120 may be arranged to determine that the body of the person is in an abnormal state when it is determined that any of the detected above-mentioned state parameters is not within the respective reference range. The control means 120 may be further configured to judge that the body of the driver is in an abnormal state when it is determined that all the detected state parameters are not within the reference range.
According to some embodiments of the present invention, the preset range in the control device 120 may be preset by the vehicle manufacturer and/or may be manually input by the vehicle user.
According to an embodiment of the present invention, the driving assistance system 100 further comprises a safety and comfort system 130. The safety and comfort system 130, which adjusts the comfort of the vehicle, includes a dynamic driving subsystem 131 for adjusting the dynamic driving environment of the vehicle, a safety protection subsystem 132 for ensuring the safety of the occupants, a door subsystem 133 for ensuring the effectiveness of opening and closing the doors, a seat subsystem 134 for ensuring the comfort of the occupants when riding in the vehicle, and an air conditioning subsystem 135 for adjusting and controlling the air conditioner.
According to an embodiment of the present invention, the control device 120 may communicate with the safety and comfort system 130 in a wired or wireless manner. The control device 120 may be configured to: when it is determined that the person belongs to the caring crowd, the vehicle is adjusted accordingly to suit the caring crowd using the safety and comfort system 130.
For example, the control device 120 includes at least one of: a dynamic control unit 121 for controlling parameters of a dynamic driving subsystem 131 of a safety and comfort system 130 of the vehicle; a safety protection unit 122 for controlling parameters of a safety protection subsystem 132 of a safety and comfort system 130 of the vehicle; a door control unit 123 for controlling parameters of a door subsystem 133 of the vehicle's safety and comfort system 130; a seat control unit 124 for controlling parameters of a seat subsystem 134 of a safety and comfort system 130 of the vehicle; an air conditioning control unit 125 for controlling parameters of an air conditioning subsystem 135 of a safety and comfort system 130 of the vehicle. However, the control device 120 is not limited to the subsystem for controlling the safety and comfort system 130, and any subsystem of the safety and comfort system 130 that can be controlled digitally and that can affect the comfort of the riding environment may be controlled by the corresponding control unit of the control device 120.
In one embodiment, when the caring population is determined to be a pregnant woman, the control device 120 performs at least one of the following operations: the dynamic control unit 121 adjusts the speed control parameters of the dynamic driving subsystem 131 so that the speed change of the vehicle can respond more softly to a command to increase or decrease the speed, for example, an adaptive cruise system, an automatic emergency braking system or an active lane keeping system, etc. can be controlled to keep the pregnant woman comfortable during the driving of the vehicle; the dynamic control unit 121 adjusts the distance control parameters of the dynamic driving subsystem 131 to enable the vehicle to react to objects earlier in a longer distance, e.g. in adaptive cruise control, keeping a longer following distance; the dynamic control unit 121 adjusts the maximum acceleration threshold of the dynamic driving subsystem 131, so that the acceleration of the vehicle does not exceed the maximum acceleration threshold, and discomfort of the pregnant woman due to excessive acceleration is prevented, and it should be noted that the maximum acceleration threshold may be set by automatic adjustment of the vehicle or by manual input to the control device 120 by the driver; the dynamic control unit 121 adjusts suspension control parameters of the dynamic driving subsystem 131 to reduce impact of the rough ground on the vehicle, for example, to activate detection of a vehicle system on a hole on a driving road surface of the vehicle or a bumpy road surface, and when it is detected that the vehicle may bump, the dynamic control unit 121 adjusts the suspension control parameters, so that damping of a shock absorber of the suspension is reduced, and a shock absorption effect is achieved; the safety protection unit 122 adjusts the tension of the safety belts of the safety protection subsystem 132, for example, the safety protection unit 122 relieves the stress on the pregnant woman by adjusting the tension of the safety belts, or the safety protection unit 122 relieves the stress on the pregnant woman by changing the shape of the safety belts so that the part of the safety belts located on the abdomen of the pregnant woman is away from the infant while ensuring the safety factor; the door control unit 123 adjusts the door subsystem 133 to provide door opening and/or closing assistance; the seat control unit 124 adjusts the position of the seat subsystem 134, e.g., the seat control unit 124 may adjust the position of the seat to make the pregnant woman more spacious to sit on. The distance of the seat adjustment can be automatically adjusted through the automatic seat position adjusting system, specifically, a distance sensor is arranged in front of the seat, a preset distance value between a person and the front of the seat is input into a control unit of the automatic seat position adjusting system, and the control unit compares the distance measured by the distance sensor with the preset distance value, so that the position of the seat is automatically adjusted.
In one embodiment, the door control unit 123 may automatically provide an auxiliary force for opening and/or closing the door after parking, and may also provide an auxiliary force for opening and/or closing the door after pressing a button provided on the vehicle, for example, by controlling the button, the voice unit, and the touch unit. However, the door control unit is not limited to providing the auxiliary force for opening and/or closing the door, and in other embodiments, the door control unit 123 may automatically open and/or close the door after parking, and may also control the door by a button, a voice unit, or a touch unit provided on the vehicle, for example, by pressing the button. The assist force may be provided by, for example, an electric motor as a power source. In still another embodiment, the vehicle door may be further provided with a device for detecting whether there is an obstacle near the vehicle door, and the device may detect whether there is a possibility that the vehicle door collides with the obstacle or scratches on the periphery of the vehicle door while the vehicle door is opened.
In another embodiment, when the control device 120 is capable of determining that the pregnant woman is the driver based on the position information, the control device 120 performs at least one of the following operations while performing at least one of the above operations: the safety protection unit 122 adjusts the position of the steering wheel of the safety protection subsystem 132, for example, adjusts the height of the steering wheel or adjusts the distance between the steering wheel and the pregnant woman, so that the steering wheel is separated from the pregnant woman by a proper distance; the safety unit 122 adjusts the alarm control parameters of the safety subsystem 132 so that the alarm is sent before the normal alarm. As shown in fig. 1, in this embodiment, a warning device 140 is provided, and the warning device 140 is used for giving a warning to the driver. In other embodiments, the safety protection unit 122 may also directly adjust the threshold of the warning signal control parameter of the navigation system and other prompting systems on the vehicle, so that the warning signal is more easily triggered, and a more sufficient reaction time is provided for the pregnant woman. For example, the safety protection unit 122 may adjust a preset distance parameter of a prompt unit of the navigation system, so that the navigation system can issue an alarm earlier when detecting a temporary road condition on a driving road.
According to an embodiment of the invention, the status parameter further comprises a time of pregnancy, the control means 120 adjusting the output intensity to the safety and comfort system 130 depending on the time of pregnancy. For example, the seat may move different distances, the seat belt may change tension differently, etc. for early and late pregnancy.
According to an embodiment of the present invention, the physical status detecting device 110 further comprises at least one of a manual input unit, a voice input unit and a remote communication unit for inputting the status parameters of the person. In one embodiment, the driver or the passenger may input information of a pregnant woman or a physically uncomfortable person in the vehicle and information of a specific physical condition of the pregnant woman or the physically uncomfortable person to the control device 120 through the manual input unit in the console of the vehicle. In another embodiment, the driver or passenger may input information of a pregnant woman or a physically uncomfortable person in the vehicle to the control device 120 through a voice system of the vehicle. In other embodiments, a "maternal mode" button or the like may also be provided in the vehicle, which button, upon being pressed, causes the control device 120 to adjust the safety and comfort system 130 accordingly. In yet another embodiment, the remote communication unit may be a mobile terminal that wirelessly communicates with the vehicle, through which specific maternal information may be input to the control device 120. For example, the pregnancy time of the pregnant woman is input to the control device 120, thereby adjusting the output intensity of the safety and comfort system.
The driving assistance system 100 described above comprises the safety and comfort system 130, i.e. the safety and comfort system 130 is an integral part of the driving assistance system 100. However, the present invention is not limited thereto. Those skilled in the art will appreciate that the driving assistance system according to the present invention may utilize an external safety and comfort system to implement the corresponding functions. Fig. 2 is a schematic diagram showing a driving assistance system according to another embodiment of the invention. As shown in fig. 2, the driving assistance system 100 includes a physical condition detection device 110 and a control device 120. The control device 120 may communicate with the external safety and comfort system 200 in a wired or wireless manner. Other configurations and operation principles of the driving assistance system 100 refer to the above embodiments, and are not described in detail herein.
The driving assist system according to the invention may be applied to a vehicle. For example, the vehicle may be equipped with the driving assist system according to the invention. Therefore, the vehicle can automatically detect whether the caring crowd is taken on the vehicle or not, and timely adjust the safe and comfortable system according to the detection result, thereby adjusting the riding environment of the caring crowd.
A driving assist method for a vehicle according to an embodiment of the invention will be described below with reference to the drawings. Fig. 3 is a flowchart illustrating a driving assistance method according to an embodiment of the present invention.
As shown in fig. 3, at step S310, one or more status parameters of persons seated in one or more seats are collected. According to an embodiment of the invention, the status parameter is related to the physical condition of the person and may comprise: a physiological parameter or a contour parameter. The contour parameters may include body contour parameters, face contour parameters, hair style contour parameters, facial expression parameters, and the like. The physiological parameters may include body temperature parameters, heart rate parameters, hand perspiration levels, and the like. For example, after the image of the person on the seat is acquired by the image acquirer, the acquired image is analyzed to obtain contour parameters of one or more body parts of the person; the physiological parameter may be directly detected by the sensor to obtain the physiological parameter of one or more body parts of the person.
In step S320, it is determined whether the person belongs to the caring crowd based on the status parameters collected by the physical status detecting device. Specifically, the method for judging whether the person belongs to the caring crowd comprises the following steps: and determining whether the state parameters are matched with a preset range, and judging that the personnel belong to the caring crowd when at least one of the state parameters is matched with the preset range. Therefore, the embodiment of the invention can automatically identify and judge the body condition of the vehicle occupant according to the detection, has better accuracy and provides a convenient and comfortable vehicle riding environment for the vehicle occupant. Wherein the care population includes but is not limited to pregnant women, physically uncomfortable persons. For example, the driving assistance method according to the embodiment of the invention may be applied to improve ride comfort of the pregnant woman.
According to the embodiment of the invention, the collected state parameters of the personnel can be compared with the preset parameter range. For example, the face contour parameter and the hair style parameter extracted from the image may be compared with a face contour parameter range and a hair style parameter range stored in advance, and the sex of the person may be determined. The facial expression parameters extracted from the image may be compared with pre-stored facial expression parameters, which are expression parameters representing pain. And if the extracted facial expression parameters are determined to be matched with the facial expression parameter range stored in advance, judging that the facial expression parameters are uncomfortable and belong to the caring crowd. The body contour parameters extracted from the image may be compared with pre-stored body contour parameters, which are body contour parameters of the pregnant woman. If the person is determined to be a female and the extracted body contour parameters are determined to match the pre-stored body contour parameter ranges, the person is determined to be a pregnant woman and belongs to the caring crowd.
According to an embodiment of the present invention, it is determined that the person belongs to the caring crowd when it is determined that any one of the detected facial expression parameter and body contour parameter matches a preset parameter range. When the information of all the persons in the seat of the vehicle is acquired through only one image, and when a certain person is judged to belong to the caretaker, the position of the seat where the caretaker is located can be judged through calculation and analysis from the image, so that whether the caretaker is a driver or a passenger can be determined. In another embodiment, the position of the person may be directly collected, so that the position of the seat where the care-giver is located is directly determined.
According to the embodiment of the present invention, when processing the collected physiological parameters, the method is similar to the above contour parameter processing method, and therefore, the description thereof is omitted.
According to one embodiment, when it is judged whether or not the person belongs to the caring crowd by the physiological parameters, if it is determined that at least one of the detected physiological parameters is not within the corresponding reference range, it is judged that the body of the person is in an abnormal state. According to another embodiment, if it is determined that all the detected physiological parameters are not within the reference range, it is judged that the body of the driver is in an abnormal state.
Alternatively, the preset range may be preset by the vehicle manufacturer and/or may be manually input by the vehicle user.
In step S330, when it is determined that the person belongs to the caring crowd, the safety and comfort system of the vehicle is adjusted accordingly to suit the caring crowd.
According to one embodiment, the safety and comfort system for a vehicle is adjusted accordingly, comprising at least one of the following: controlling parameters of a dynamic driving subsystem of a safety and comfort system of a vehicle; controlling parameters of a safety protection subsystem of a safety and comfort system of a vehicle; controlling parameters of a door subsystem of a safety and comfort system of a vehicle; controlling parameters of a seat subsystem of a safety and comfort system of a vehicle; parameters of an air conditioning subsystem of a safety and comfort system of a vehicle are controlled. However, not only the subsystems of the safety and comfort system described above are regulated, but also subsystems of the safety and comfort system that can be controlled digitally and that can influence the comfort of the vehicle environment can be controlled and regulated accordingly.
In another embodiment, when the care-crowd is determined to be a pregnant woman, at least one of the following operations is performed: adjusting speed control parameters of the dynamic driving subsystem to enable the speed change of the vehicle to respond to a command of increasing or decreasing the speed more early and softly, for example, an adaptive cruise system, an automatic emergency braking system or an active lane keeping system can be controlled to enable the pregnant woman to keep comfortable in the driving of the vehicle; adjusting distance control parameters of the dynamic driving subsystem to enable the vehicle to react to the object earlier in a longer distance, for example, in the adaptive cruise control, a longer following distance is kept; the maximum acceleration threshold value of the dynamic driving subsystem is adjusted, so that the acceleration of the vehicle does not exceed the maximum acceleration threshold value, and the discomfort of the pregnant woman caused by the overlarge acceleration is prevented; adjusting suspension control parameters of a dynamic driving subsystem, reducing impact of uneven ground on a vehicle, for example, activating a vehicle system to detect holes on a driving road surface of the vehicle or a bumpy road surface, and adjusting the suspension control parameters when it is detected that the vehicle may bump, so that damping of a shock absorber of a suspension is reduced, and a shock absorption effect is achieved; adjusting the tension of the safety belt of the safety protection subsystem, for example, by adjusting the tension of the safety belt to relieve stress on the pregnant woman, or by changing the shape of the safety belt to enable the part of the safety belt located on the abdomen of the pregnant woman to be away from the infant under the condition of ensuring the safety coefficient, so as to relieve stress on the pregnant woman; adjusting the door subsystem to provide a door opening and/or closing assist force; adjusting the position of the seat subsystem, for example, the seat control unit may adjust the position of the seat to make the pregnant woman more spacious to sit on.
In one embodiment, the auxiliary force for opening and/or closing the vehicle door can be provided automatically after parking, and can be controlled by a button arranged on the vehicle, a voice unit and a touch unit, for example, the auxiliary force for opening and/or closing the vehicle door can be provided after the button is pressed. But not limited to providing the auxiliary force for opening and/or closing the door, in other embodiments, the door may be automatically opened and/or closed after parking, or may be controlled by a button, a voice unit, or a touch unit provided on the vehicle, for example, the door may be automatically opened and/or closed after the button is pressed. In still another embodiment, the vehicle door may be further provided with a device for detecting whether there is an obstacle near the vehicle door, and the device may detect whether there is a possibility that the vehicle door collides with the obstacle or scratches on the periphery of the vehicle door while the vehicle door is opened.
Alternatively, step S310 of the driving assistance method according to the embodiment of the invention may further include: the status parameters of the person are entered by at least one of manual, voice and remote communication. In one embodiment, information of a pregnant woman or a physically uncomfortable person in the vehicle, and information of a specific physical condition of the pregnant woman or the physically uncomfortable person may be manually input through the manual input unit in the console of the vehicle. In another embodiment, the driver or passenger may input information of a pregnant woman or a physically uncomfortable person in the vehicle through a voice system of the vehicle. In other embodiments, a "maternal mode" button or the like may also be provided in the vehicle, which button, upon being pressed, adjusts the safety and comfort system 130 accordingly. In yet another embodiment, specific maternal information may be entered via a mobile terminal in wireless communication with the vehicle. For example, the pregnancy time information of the pregnant woman is inputted, thereby adjusting the output intensity of the safety and comfort system.
Alternatively, step S320 of the driving assistance method according to the embodiment of the invention may further include: collecting position information of personnel; judging whether the pregnant woman is a driver according to the position information, and when the pregnant woman is judged to be the driver, performing at least one of the following operations while performing at least one of the operations: adjusting the position of a steering wheel of the safety protection subsystem, such as adjusting the height of the steering wheel or adjusting the distance between the steering wheel and the pregnant woman to keep the steering wheel at a proper distance from the pregnant woman; and the control parameter of the warning signal of the safety protection subsystem is adjusted, so that the warning signal is sent out before normal alarming, and more sufficient response time is provided for the pregnant woman.
Optionally, the state parameter of the driving assistance method according to the embodiment of the present invention may further include a pregnancy time, and the output intensity to the safety and comfort system may be adjusted according to the pregnancy time. For example, moving the seat different distances, changing the tension of the seat belt, etc. depending on the time of pregnancy.
The described and illustrated embodiments of the present invention are intended to be illustrative rather than restrictive, and it should be understood that the foregoing embodiments only illustrate and describe the preferred embodiments of the present invention, and that all modifications and equivalent arrangements that come within the scope of the appended claims are intended to be embraced therein.
Claims (8)
1. A driving assistance system for a vehicle, comprising:
a physical condition detection device that includes a sensor and is capable of collecting a state parameter of a person seated on a seat by the sensor, the state parameter being related to a physical condition of the person; and
a control device capable of judging whether the person belongs to a caring crowd or not based on the state parameters collected by the physical status detection device,
wherein the status parameters comprise contour parameters of one or more body parts of the person;
the sensor comprises an image collector for collecting the image of the person; and is
The physical condition detection apparatus further includes a parameter extraction unit capable of extracting a contour parameter from the image;
wherein, when it is determined that the person belongs to a caring crowd, the control device adjusts a safety and comfort system of the vehicle accordingly to suit the caring crowd;
wherein, when judging that the caring crowd is a pregnant woman, the state parameters further comprise pregnancy time, and the control device adjusts the output of the safe and comfortable system according to the pregnancy time.
2. The driving assist system according to claim 1, wherein the control device is capable of determining whether the state parameter matches a preset range, and when the state parameter matches the preset range, determining that the person belongs to a caring crowd.
3. The driving assistance system according to claim 1 or 2, wherein the state parameters further include physiological parameters of one or more body parts of the person; and is
The sensor includes a physiological sensor for measuring the physiological parameter.
4. The driving assistance system according to claim 1 or 2, wherein the control device includes at least one of:
a dynamic control unit for controlling parameters of a dynamic driving subsystem of a safety and comfort system of the vehicle;
a safety protection unit for controlling parameters of a safety protection subsystem of a safety and comfort system of the vehicle;
a door control unit for controlling parameters of a door subsystem of a safety and comfort system of the vehicle;
a seat control unit for controlling parameters of a seat subsystem of a safety and comfort system of the vehicle;
an air conditioning control unit for controlling parameters of an air conditioning subsystem of a safety and comfort system of the vehicle;
wherein, when it is judged that the person belongs to a caring crowd, the control device performs at least one of the following operations:
the dynamic control unit adjusts speed control parameters of the dynamic driving subsystem to enable the speed change of the vehicle to respond to the command of increasing or decreasing the speed more early and softly;
the dynamic control unit adjusts the maximum acceleration threshold of the dynamic driving subsystem so that the acceleration of the vehicle does not exceed the maximum acceleration threshold;
the dynamic control unit adjusts suspension control parameters of the dynamic driving subsystem, and reduces impact of uneven ground on a vehicle;
the safety protection unit adjusts the tension degree of a safety belt of the safety protection subsystem;
the door control unit adjusts the door subsystem to provide door opening and/or closing assistance force;
the seat control unit adjusts a position of a seat of the seat subsystem.
5. The driving assistance system according to claim 4, wherein the sensor includes a position sensor for collecting position information of the person, the control device is capable of determining whether the group of care persons is a driver based on the position information, and when the group of care persons is determined to be a driver, the control device performs at least one of:
the safety protection unit adjusts the position of a steering wheel of the safety protection subsystem, so that the steering wheel is separated from the caring crowd by a proper distance;
the safety protection unit adjusts the threshold value of the control parameter of the warning signal of the safety protection subsystem, so that the warning signal is easier to trigger.
6. The driving assistance system according to claim 1, wherein the physical status detecting device further includes at least one of a manual input unit, a voice input unit, and a remote communication unit for inputting the state parameter of the person.
7. A vehicle, comprising: the driving assistance system according to any one of claims 1 to 6.
8. A driving assistance method for a vehicle, comprising:
collecting a status parameter of a person sitting on a seat, the status parameter being related to a physical condition of the person; and
judging whether the personnel belong to the caring crowd or not according to the collected state parameters,
wherein the status parameters comprise contour parameters of one or more body parts of the person;
extracting contour parameters from the image according to the image of the person;
wherein, when it is determined that the person belongs to a group of care persons, the safety and comfort system of the vehicle is adjusted accordingly to suit the group of care persons;
wherein, when the caring crowd is judged to be pregnant women, the state parameters further comprise pregnancy time, and the output of the safety and comfort system is adjusted according to the pregnancy time.
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| CN201610522650.1A CN107571819B (en) | 2016-07-05 | 2016-07-05 | Driving assistance system, method and vehicle |
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| CN201610522650.1A CN107571819B (en) | 2016-07-05 | 2016-07-05 | Driving assistance system, method and vehicle |
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