CN112606761B - Vehicle indoor lamp control system and control method thereof - Google Patents
Vehicle indoor lamp control system and control method thereof Download PDFInfo
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- CN112606761B CN112606761B CN202011559987.2A CN202011559987A CN112606761B CN 112606761 B CN112606761 B CN 112606761B CN 202011559987 A CN202011559987 A CN 202011559987A CN 112606761 B CN112606761 B CN 112606761B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/80—Circuits; Control arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a vehicle indoor lamp control system and a control method thereof, wherein the control method comprises the following steps: the indoor light acquisition module is used for acquiring light intensity distribution information in the vehicle room; the vehicle speed acquisition module is used for acquiring vehicle speed information of the vehicle; the traffic acquisition module is used for acquiring surrounding traffic information of the vehicle; the control module is used for controlling whether the indoor lamp is started or not according to the light intensity distribution information, the vehicle speed information and the surrounding traffic information; and the adjusting module is used for adjusting the irradiation direction and angle of the indoor lamp according to the current personnel action information in the vehicle when the indoor lamp is turned on. The invention can judge and control the on-off of the indoor lamp according to the vehicle speed, realizes automatic control on the on-off of the indoor lamp of the vehicle, and the indoor lamp can automatically adjust the irradiation direction and angle according to the action information of the personnel in the vehicle, liberates the hands of a driver, and improves the experience of the personnel in the vehicle.
Description
Technical Field
The invention relates to the technical field of vehicle indoor lamp control, in particular to a vehicle indoor lamp control system and a control method thereof.
Background
When light is insufficient, people need carry out other operations in the car, the room lamp of vehicle can be used, can make things convenient for people to look for things or see some operations such as map, all can install the room lamp in general vehicle, the room lamp on the roof between main driving and copilot is indispensable, make things convenient for the driver to use after parkking, current room lamp is mostly manual control switch, to the driver who needs frequently to use room lamp talk about, manual control is loaded down with trivial details and inconvenient a bit, can not realize that automatic control room lamp opens, and the angle of illumination of room lamp is mostly fixed setting, can not adjust the angle of illumination of room lamp according to actual need. Therefore, there is a need for a vehicular interior light control system and a control method thereof to at least partially solve the problems in the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a vehicle interior light control system, comprising:
the indoor light acquisition module is used for acquiring the light intensity distribution information in the vehicle room;
the vehicle speed acquisition module is used for acquiring vehicle speed information of the vehicle;
the traffic acquisition module is used for acquiring the surrounding traffic information of the vehicle;
the control module controls whether the indoor lamp is turned on or not according to the light intensity distribution information, the vehicle speed information and the surrounding traffic information;
and the adjusting module is used for adjusting the irradiation direction and angle of the indoor lamp according to the current personnel action information in the vehicle when the indoor lamp is started.
Preferably, the indoor light collection module includes:
the light sensor is used for acquiring light intensity information of different seats in the indoor space of the vehicle;
a storage unit for storing a seat profile in the vehicle compartment;
and the processing unit is used for obtaining the light intensity distribution information in the vehicle room according to the light intensity information at different seats and the seat distribution diagram.
Preferably, the control module includes:
the indoor lamp starting condition judging unit is used for judging whether the indoor lamp starting condition is met currently in the vehicle according to the obtained light intensity distribution information;
the first vehicle speed judging unit is used for judging whether the vehicle speed is zero or not when the indoor lamp starting condition is met;
the parking condition judging unit is used for judging whether the current parking operation of the vehicle needs to turn on the indoor lamp or not when the indoor lamp turning-on condition is met and the vehicle speed is zero;
the parking time judging unit is used for judging whether the parking time of the vehicle is greater than a preset first time threshold value or not when the vehicle needs to start the indoor lamp, and if the parking time of the vehicle is greater than the preset first time threshold value, the control module starts the indoor lamp;
and the second vehicle speed judging unit is used for judging whether the current vehicle speed is greater than the preset vehicle speed or not when the indoor lamp is in an on state, and if the current vehicle speed is greater than the preset vehicle speed, the control module turns off the indoor lamp.
Preferably, the control module further comprises:
the no-operation judging unit is used for judging whether the personnel in the vehicle has operation dynamics or not when the indoor lamp is turned on;
and the non-operation time judging unit is used for judging whether the time of the non-operation dynamic state is greater than a preset second time threshold value or not when personnel in the vehicle do not have the operation dynamic state, and if the time of the non-operation dynamic state is greater than the preset second time threshold value, the control module turns off the indoor lamp.
Preferably, the adjusting module includes:
the image acquisition unit is used for acquiring a dynamic image of the current personnel in the vehicle;
the action position judging unit is used for judging the position of the action of the personnel in the vehicle according to the personnel dynamic image;
the angle control unit is used for correspondingly adjusting the illumination direction and the illumination angle of the indoor lamp according to the position of the action of the person in the vehicle;
the lighting direction comprises a front passenger seat direction and a rear seat direction, the lighting angle of the front passenger seat direction is an included angle between the axial direction and the plumb direction when the indoor lamp faces to one side of the front passenger seat, the lighting angle adjusting range of the front passenger seat direction is 15-45 degrees, the lighting angle of the rear seat direction is an included angle between the axial direction and the plumb direction when the indoor lamp faces to one side of the tail of the vehicle, and the lighting angle adjusting range of the rear seat direction is 15-70 degrees.
Preferably, the operation position determination unit includes:
a first action identification subunit, configured to pre-process the dynamic image of the person and extract the current person in the vehicleOrientation feature, and obtaining a set L (u) of space position feature of current personnel in the vehicle by adopting the following algorithmx,vy,wz)：
Wherein N is the number of the acquired dynamic images of the person, N is 1,2,3.
Is a partial derivative function, theta is an included angle between the image acquisition unit and the current person in the vehicle, f (D) is a distance between the image acquisition unit and the person in the vehicle, x is a transverse movement amplitude of the current person in the vehicle in the dynamic image of the person in the left-right direction, y is a vertical movement amplitude of the current person in the vehicle in the dynamic image of the person with the horizontal plane as a reference, z is a longitudinal movement amplitude of the current person in the vehicle in the dynamic image of the person in the front-back direction, u and D0For the current initial reference position u of the person in the vehicle in the dynamic image of the personxThe value of the abscissa vector of the current person in the vehicle relative to the reference position when the transverse movement amplitude of the person is x in the dynamic image of the person is vyThe vertical coordinate vector value w of the current person in the vehicle relative to the reference position when the vertical movement amplitude of the person is y in the dynamic image of the personzThe longitudinal coordinate vector value of the current person in the vehicle relative to the reference position when the longitudinal movement amplitude of the current person in the dynamic image of the person is z is obtained;
a second action identifying subunit, for performing normalization processing on the space position feature set of the personnel in the vehicle by adopting the following algorithm to obtain action feature information Q (a) recognizable by the current personnel in the vehicleε,bτ)：
Wherein epsilon is the moving distance of the upper limb wrist joint of the current person in the vehicle and epsilon belongs to (-1,1), tau is the bending radian of the upper body of the current person in the vehicle, arctan is a tangent trigonometric function, aεA track vector of the upper limb wrist joint of the person when the moving distance of the upper limb wrist joint of the person is epsilon in the vehicle, bτThe bending vector of the upper body of the current person in the vehicle is the bending radian tau of the upper body of the current person;
the action judgment subunit is used for matching the action characteristic information recognizable by the current person in the vehicle with a database stored in the system to obtain an action error value of the action characteristic information of the current person in the vehicle and the action characteristic information in the database, judging that the person does not act if the action error value is smaller than a preset action error value, and judging that the person acts if the action error value is larger than or equal to the preset action error value;
and the position judging subunit is used for judging the position of the action after the action of the person in the vehicle.
Preferably, the vehicle further comprises a voice control module, wherein the voice control module is used for judging whether the indoor lamp is turned on or not by recognizing voice information of personnel in the vehicle, and the control logic for turning on or off the indoor lamp by voice is prior to the control logic for turning on or off the indoor lamp by vehicle speed.
Preferably, the vehicle speed control system further comprises a priority execution judging module, wherein the priority execution judging module is used for judging whether logic that the priority is greater than the priority of turning on or off of an indoor lamp is available.
Preferably, the vehicle further comprises a brightness control module, wherein the brightness control module is used for adjusting the brightness of the indoor lamp according to the light intensity distribution information in the vehicle, namely the lower the light intensity in the vehicle is, the darker the brightness of the indoor lamp is.
The invention also provides a vehicle room lamp control method, which comprises the vehicle room lamp control system, and comprises the following steps:
s1, collecting light intensity distribution information in the vehicle room, and judging whether the indoor light starting condition is met currently;
s2, if the indoor lamp starting condition is judged to be met currently, acquiring the vehicle speed information of the vehicle;
s3, when the vehicle speed is zero, collecting the traffic information around the vehicle, and judging whether the indoor lamp needs to be turned on according to the parking condition of the vehicle;
s4, when the parking condition of the vehicle is judged to be that the indoor lamp needs to be turned on, the indoor lamp is turned on;
and S5, when the indoor lamp is turned on, adjusting the irradiation direction and angle of the indoor lamp according to the current personnel action information in the vehicle.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the vehicle indoor lamp control system and the control method thereof, the indoor light collection module can accurately collect light intensity distribution information in the vehicle, the indoor lamp opening condition is judged to be met under the ambient light such as cloudy days or insufficient light, the time limitation of daytime and night is avoided, the vehicle speed collection module is an important judgment basis for judging whether the indoor lamp is opened or not, the indoor lamp is controlled to be opened by combining the peripheral traffic information of the vehicle collected by the traffic collection module, the opening and closing of the indoor lamp can be judged and controlled according to the vehicle speed, the opening and closing of the vehicle indoor lamp are automatically controlled, the indoor lamp can also automatically adjust the irradiation direction and the irradiation angle according to the action information of personnel in the vehicle, the two hands of a driver are liberated, and the experience of the personnel in the vehicle is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram of a vehicle indoor lamp control system according to the present invention.
Fig. 2 is a block diagram of a control module in a vehicle indoor light control system according to the present invention.
Fig. 3 is a block diagram of a structure of a regulating module in a vehicle indoor lamp control system according to the present invention.
Fig. 4 is a flowchart of a method for controlling a vehicle room light according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 4, the present invention provides a vehicle interior light control system, including:
the indoor light acquisition module is used for acquiring the light intensity distribution information in the vehicle room;
the vehicle speed acquisition module is used for acquiring vehicle speed information of the vehicle;
the traffic acquisition module is used for acquiring the surrounding traffic information of the vehicle;
the control module controls whether the indoor lamp is turned on or not according to the light intensity distribution information, the vehicle speed information and the surrounding traffic information;
and the adjusting module is used for adjusting the irradiation direction and angle of the indoor lamp according to the current personnel action information in the vehicle when the indoor lamp is started.
The working principle of the technical scheme is as follows: firstly, an indoor light collection module is used for obtaining the light intensity distribution information in a vehicle room, and a control module is used for judging whether the current condition of starting an indoor lamp is met; secondly, if the indoor lamp starting condition is judged to be met currently, the vehicle speed information of the vehicle is obtained by using a vehicle speed acquisition module, and whether the vehicle speed is zero or not is judged by a control module; then, when the vehicle speed is zero, the traffic information around the vehicle is obtained by using a traffic acquisition module, whether the indoor lamp needs to be turned on or not is judged by a control module according to the parking condition of the vehicle, and when the parking condition of the vehicle is judged to be that the indoor lamp needs to be turned on, the indoor lamp is turned on; and finally, when the indoor lamp is turned on, adjusting the irradiation direction and the angle of the indoor lamp by using an adjusting module according to the current personnel action information in the vehicle.
The beneficial effects of the above technical scheme are that: the indoor light collection module can accurately collect light intensity distribution information in the vehicle, under the environment light such as cloudy day or insufficient light, all judge for conforming to the condition is opened to the indoor lamp, not receive the time limit at daytime and night, speed of a motor vehicle collection module is for judging the important judgement foundation that whether indoor lamp was opened, the peripheral traffic information of the vehicle that combines traffic collection module to gather comes the control room lamp to open, can judge the switch with the control room lamp according to the speed of a motor vehicle, automatic control has been realized to the switch of vehicle room lamp to the indoor lamp still can shine direction and angle according to personnel's in the car action information automatically regulated, driver's both hands have been liberated, personnel's in the vehicle experience is felt has been promoted.
In one embodiment, the indoor light collection module comprises:
the light sensor is used for acquiring light intensity information of different seats in the indoor space of the vehicle;
a storage unit for storing a seat profile in the vehicle compartment;
and the processing unit is used for obtaining the light intensity distribution information in the vehicle room according to the light intensity information at different seats and the seat distribution diagram.
The working principle of the technical scheme is as follows: the indoor light collection module utilizes the light sensor to obtain light intensity information of different seats in the indoor space of the vehicle, the storage unit stores a seat distribution diagram in the indoor space of the vehicle, and the processing unit obtains the light intensity distribution information in the indoor space of the vehicle.
The beneficial effects of the above technical scheme are that: because of the indoor daylighting of every vehicle is different, personnel's operation is mostly gone on the seat in the vehicle, the event utilizes light sensor to gather the light intensity information of the indoor different seats of vehicle department, combine the seat distribution diagram, can obtain the indoor light intensity distribution information of more accurate vehicle, and the condition of opening of control system control room lamp does not receive the time limit daytime and night, the condition foundation of opening of the indoor lamp of light intensity distribution information conduct that indoor light collection module gathered, make its switch more intelligent, more make things convenient for people to use under any environment.
In one embodiment, the control module comprises:
the indoor lamp starting condition judging unit is used for judging whether the indoor lamp starting condition is met currently in the vehicle according to the obtained light intensity distribution information;
the first vehicle speed judging unit is used for judging whether the vehicle speed is zero or not when the indoor lamp starting condition is met;
the parking condition judging unit is used for judging whether the current parking operation of the vehicle needs to turn on the indoor lamp or not when the indoor lamp turning-on condition is met and the vehicle speed is zero;
the parking time judging unit is used for judging whether the parking time of the vehicle is greater than a preset first time threshold value or not when the vehicle needs to start the indoor lamp, and if the parking time of the vehicle is greater than the preset first time threshold value, the control module starts the indoor lamp;
and the second vehicle speed judging unit is used for judging whether the current vehicle speed is greater than the preset vehicle speed or not when the indoor lamp is in an on state, and if the current vehicle speed is greater than the preset vehicle speed, the control module turns off the indoor lamp.
The working principle of the technical scheme is as follows: judging whether the current situation of the interior of the vehicle meets the indoor lamp starting condition or not according to the obtained light intensity distribution information through an indoor lamp starting condition judging unit, if not, controlling the module not to start the indoor lamp, and if so, judging whether the vehicle speed is zero or not by utilizing a first vehicle speed judging unit; if the vehicle speed is not zero, the control module does not turn on the indoor lamp, and if the vehicle speed is zero, the parking condition judgment unit is used for judging whether the current parking operation of the vehicle needs to turn on the indoor lamp; if the current parking operation does not need to start the indoor lamp, the control module does not start the indoor lamp, if the current parking operation needs to start the indoor lamp, the parking time judgment unit is used for judging whether the parking time of the vehicle is greater than a preset first time threshold value, if the parking time of the vehicle is greater than the preset first time threshold value, the control module starts the indoor lamp, and if the parking time of the vehicle is less than or equal to the preset first time threshold value, the control module does not start the indoor lamp; when the indoor lamp is in an on state, a second vehicle speed judging unit is used for judging whether the current vehicle speed is greater than the preset vehicle speed, and if the current vehicle speed is greater than the preset vehicle speed, the control module turns off the indoor lamp.
The beneficial effects of the above technical scheme are that: the indoor lamp is opened and needs to satisfy the condition of opening in proper order, the speed condition, the condition of parking condition and parking time condition, the indoor lamp just can be opened, avoid the indoor lamp to open by mistake under red light such as vehicle or other condition that are not conform to the condition of opening, the condition that the vehicle is opened by mistake and influence the driving when having avoided driving takes place, and consider the multiple parking condition that the speed of a motor vehicle is zero, utilize the peripheral traffic information of traffic collection module collection vehicle to judge the parking condition, can make opening of judging the indoor lamp more accurate, and when the indoor lamp is opened, as long as judge the current speed of a motor vehicle and be greater than the preset speed of a motor vehicle, namely automatic shutdown indoor lamp, the security of driving has been guaranteed, the automatic control of indoor lamp switch has been realized, give other people better experience.
In one embodiment, the control module further comprises:
the no-operation judging unit is used for judging whether the personnel in the vehicle has operation dynamics or not when the indoor lamp is turned on;
and the non-operation time judging unit is used for judging whether the time of the non-operation dynamic state is greater than a preset second time threshold value or not when personnel in the vehicle do not have the operation dynamic state, and if the time of the non-operation dynamic state is greater than the preset second time threshold value, the control module turns off the indoor lamp.
The working principle of the technical scheme is as follows: the indoor lamp is turned on through the no-operation judging unit, whether operation dynamic state exists in the vehicle is judged, if the operation dynamic state exists, the indoor lamp is kept turned on, if the operation dynamic state does not exist, the no-operation time judging unit is used for judging whether the time of the no-operation dynamic state is larger than a preset second time threshold value, and if the time of the no-operation dynamic state is larger than the preset second time threshold value, the control module turns off the indoor lamp.
The beneficial effects of the above technical scheme are that: the automobile indoor lamp control system has the advantages that whether the indoor lamp needs to be used continuously or not can be judged under the conditions of long-time parking and indoor lamp opening, the indoor lamp can be automatically turned off by the control module when no operation is carried out dynamically for a long time, the overall power consumption of the automobile can be saved, and electric energy is saved.
In one embodiment, the adjustment module comprises:
the image acquisition unit is used for acquiring a dynamic image of the current personnel in the vehicle;
the action position judging unit is used for judging the position of the action of the personnel in the vehicle according to the personnel dynamic image;
the angle control unit is used for correspondingly adjusting the illumination direction and the illumination angle of the indoor lamp according to the position of the action of the person in the vehicle;
the lighting direction comprises a front passenger seat direction and a rear seat direction, the lighting angle of the front passenger seat direction is an included angle between the axial direction and the plumb direction when the indoor lamp faces to one side of the front passenger seat, the lighting angle adjusting range of the front passenger seat direction is 15-45 degrees, the lighting angle of the rear seat direction is an included angle between the axial direction and the plumb direction when the indoor lamp faces to one side of the tail of the vehicle, and the lighting angle adjusting range of the rear seat direction is 15-70 degrees.
The working principle of the technical scheme is as follows: firstly, acquiring dynamic images of all current personnel in the vehicle through an image acquisition unit; then, judging the position of the action of the personnel in the vehicle according to the personnel dynamic image by utilizing an action position judging unit; finally, correspondingly adjusting the lighting direction and lighting angle of the indoor lamp by utilizing the angle control unit according to the position of the action of the person in the vehicle, wherein the direction and angle adjustment of the indoor lamp can track the position of the action, namely if only the copilot has the action, the lighting direction of the indoor lamp faces to the copilot, the lighting angle is adjusted in a self-adaptive manner, and if a plurality of seats have the action simultaneously, the indoor lamp keeps the normal lighting direction; the lighting direction comprises a front passenger seat direction and a rear seat direction besides a normal lighting direction, the lighting angle of the front passenger seat direction is the included angle between the axis direction and the plumb bob direction when the indoor lamp faces to one side of the front passenger seat, the lighting angle of the front passenger seat direction is in the range of 15-45 degrees, the lighting angle does not need to be too large because the front passenger seat is closer to the indoor lamp on the roof, the lighting angle of the rear seat direction is the included angle between the axis direction and the plumb bob direction when the indoor lamp faces to one side of the tail of the vehicle, the lighting angle of the rear seat direction is in the range of 15-70 degrees, and the rear seat is far away from the indoor lamp on the roof, so that the lighting angle is relatively large in the range of regulation, and the rear seat can be lighted as far as possible.
The beneficial effects of the above technical scheme are as follows: the position that personnel's action takes place in can monitoring the vehicle in real time to according to the direction of illumination and the angle of positional information automatically regulated room lamp, in order conveniently to provide the illumination of multi-angle for personnel in the vehicle, promote people's use and experience and feel, and the illumination direction can not be towards main driving and plantago, guarantees the safety that the vehicle travel.
In one embodiment, the action position determination unit includes:
a first action identification subunit, configured to pre-process the dynamic image of the person, extract an orientation feature of the current person in the vehicle, and acquire a set L (u) of a spatial location feature of the current person in the vehicle by using the following algorithmx,vy,wz)：
Wherein N is the number of the acquired dynamic images of the person, and N is 1,2,3Is a natural constant, exp is an exponential function with the natural constant e as the base, tan is a tangent trigonometric function,
is a partial derivative function, theta is an included angle between the image acquisition unit and the current person in the vehicle, f (D) is a distance between the image acquisition unit and the person in the vehicle, x is a transverse movement amplitude of the current person in the vehicle in the dynamic image of the person in the left-right direction, y is a vertical movement amplitude of the current person in the vehicle in the dynamic image of the person with the horizontal plane as a reference, z is a longitudinal movement amplitude of the current person in the vehicle in the dynamic image of the person in the front-back direction, u and D0For the current initial reference position u of the person in the vehicle in the dynamic image of the personxThe value of the abscissa vector of the current person in the vehicle relative to the reference position when the transverse movement amplitude of the person is x in the dynamic image of the person is vyThe vertical coordinate vector value, w, of the current person in the vehicle relative to the reference position when the vertical movement amplitude of the person is y in the dynamic image of the personzThe longitudinal coordinate vector value of the current person in the vehicle relative to the reference position when the longitudinal movement amplitude of the current person in the dynamic image of the person is z is obtained;
a second action identifying subunit, for performing normalization processing on the space position feature set of the personnel in the vehicle by adopting the following algorithm to obtain action feature information Q (a) recognizable by the current personnel in the vehicleε,bτ)：
Wherein epsilon is the moving distance of the upper limb wrist joint of the current person in the vehicle and epsilon belongs to (-1,1), tau is the bending radian of the upper body of the current person in the vehicle, arctan is a tangent trigonometric function, aεA track vector of the upper limb wrist joint of the person when the moving distance of the upper limb wrist joint of the person is epsilon in the vehicle, bτFor the upper body of the person when the bending radian of the upper body of the person is tauA bending vector;
the action judgment subunit is used for matching the action characteristic information recognizable by the current person in the vehicle with a database stored in the system to obtain an action error value of the action characteristic information of the current person in the vehicle and the action characteristic information in the database, judging that the person does not act if the action error value is smaller than a preset action error value, and judging that the person acts if the action error value is larger than or equal to the preset action error value;
and the position judging subunit is used for judging the position of the action after the action of the person in the vehicle.
The working principle of the technical scheme is as follows: preprocessing the dynamic personnel image by using a first action identification subunit, extracting the orientation characteristics of the current personnel in the vehicle, and acquiring a spatial position characteristic set of the current personnel in the vehicle; then, a second action identification subunit is used for carrying out normalization processing on the space position feature set of the personnel in the vehicle to obtain action feature information which can be identified by the current personnel in the vehicle; and then matching the action characteristic information recognizable by the current person in the vehicle with a database stored in the system through an action judgment subunit to obtain an action error value of the action characteristic information of the current person in the vehicle and the action characteristic information in the database, judging that the person does not act if the action error value is smaller than a preset action error value, judging that the person acts if the action error value is larger than or equal to the preset action error value, and finally judging the position of the action by using a position judgment subunit.
The first action identifying subunit, the second action identifying subunit and the action judging subunit can be used in the no-operation judging unit to judge whether the personnel in the vehicle has operation dynamics.
The beneficial effects of the above technical scheme are that: the personnel dynamic images are collected for multiple times, so that the calculation result is closer to the real dynamic state of personnel in the vehicle, and a more accurate calculation result can be obtained; the action characteristic information of the current personnel is matched with the action characteristic information in the system database, the obtained action error value is compared with the preset action error value to judge the action occurrence condition, and because the personnel in the vehicle cannot be kept still all the time and small actions occur in the vehicle, the small actions are eliminated by the preset action error value, the larger actions made by the personnel in the vehicle can be monitored only, and the phenomenon that the adjustment module performs error adjustment on the indoor lamp due to the fact that the action position judgment unit judges the action of the personnel in the vehicle wrongly is prevented, so that the accuracy of the adjustment of the illumination direction and the angle of the indoor lamp is further improved, and the indoor lamp is more intelligent.
In one embodiment, the vehicle further comprises a voice control module, wherein the voice control module is used for judging whether an indoor lamp is turned on or not by recognizing voice information of personnel in the vehicle, and the control logic for turning on or off the indoor lamp by voice is prior to the control logic for turning on or off the indoor lamp by vehicle speed.
The working principle of the technical scheme is as follows: the voice control module can control the indoor lamp to be turned on by utilizing the language under the emergency situation, for example, when personnel in the automobile send an instruction of turning on the indoor lamp by voice, the indoor lamp is turned on, when the personnel in the automobile send an instruction of turning off the indoor lamp by voice, the indoor lamp is turned off, and the control logic of turning on or turning off the indoor lamp by voice is prior to the logic of turning on or turning off the indoor lamp by vehicle speed control, namely when the indoor lamp is controlled by using the voice control module, the vehicle speed is invalid for controlling the indoor lamp.
The beneficial effects of the above technical scheme are that: can adopt opening or closing of speech control module control room lamp under emergency, the response is timely, and convenient and fast to do not influence each other with speed of a motor vehicle control logic, if one of them control logic damages, another can regard as reserve, makes the switch of room lamp more intelligent, the people of being more convenient for use.
In one embodiment, the vehicle speed control system further comprises a priority execution judging module which is used for judging whether logic with priority higher than that of the vehicle speed control room lamp is started or stopped exists.
The working principle of the technical scheme is as follows: the priority execution judging module can execute priority logic when the priority is greater than the logic of turning on or off the vehicle speed control indoor lamp; the vehicle indoor lamp control system comprises a plurality of control logics, wherein the control logics comprise manual control, vehicle door state information control, voice control and vehicle speed information control, and the priorities of the manual control, the vehicle door state information control and the voice control are all larger than the priority of the vehicle speed information control.
The beneficial effects of the above technical scheme are that: in emergency or special situations, the indoor lamp may be turned on or off by manual control or voice control, so that the operation of people in the vehicle is facilitated, and the vehicle is more intelligent.
In one embodiment, the system further comprises a brightness control module, wherein the brightness control module is used for adjusting the brightness of the indoor lamp according to the light intensity distribution information in the vehicle, namely the lower the light intensity in the vehicle is, the darker the brightness of the indoor lamp is.
The working principle of the technical scheme is as follows: the brightness control module adjusts the brightness of the indoor lamp according to the light intensity distribution information in the vehicle room, and the weaker the light intensity in the vehicle room is, the darker the brightness of the indoor lamp is.
The beneficial effects of the above technical scheme are that: the brightness control module can reduce the power consumption of the whole vehicle under the condition of ensuring normal illumination, prevent the indoor lamp from being too bright and causing uncomfortable feeling to the driver, and further improve the safety factor of driving.
The invention also provides a vehicle room lamp control method, which comprises the vehicle room lamp control system, and comprises the following steps:
s1, collecting light intensity distribution information in the vehicle room, and judging whether the indoor light starting condition is met currently;
s2, if the indoor lamp starting condition is judged to be met currently, acquiring the vehicle speed information of the vehicle;
s3, when the vehicle speed is zero, collecting the surrounding traffic information of the vehicle, and judging whether the indoor lamp needs to be turned on according to the parking condition of the vehicle;
s4, when the parking condition of the vehicle is judged to be that the indoor lamp needs to be turned on, the indoor lamp is turned on;
and S5, when the indoor lamp is turned on, adjusting the irradiation direction and angle of the indoor lamp according to the current personnel action information in the vehicle.
The working principle of the technical scheme is as follows: firstly, acquiring light intensity distribution information in a vehicle room, and judging whether the light intensity distribution information currently accords with the starting condition of an indoor lamp; secondly, if the indoor lamp starting condition is judged to be met currently, acquiring the vehicle speed information of the vehicle, acquiring the surrounding traffic information of the vehicle when the vehicle speed is zero, judging whether the indoor lamp needs to be started according to the parking condition of the vehicle, and starting the indoor lamp when the parking condition of the vehicle is judged to be that the indoor lamp needs to be started; and finally, when the indoor lamp is turned on, adjusting the irradiation direction and angle of the indoor lamp according to the current personnel action information in the vehicle.
The beneficial effects of the above technical scheme are that: can accurate light distribution information of gathering in the vehicle, under ambient light such as cloudy day or light are insufficient, all judge for conforming to the condition is opened to the room lamp, do not receive the time limit at daytime and night, the speed of a motor vehicle is for judging the important judgement foundation that whether the room lamp was opened, the peripheral traffic information of vehicle that combines the collection comes the control room lamp to open, can judge and control the switch of room lamp according to the speed of a motor vehicle, automatic control has been realized to the switch of vehicle room lamp, and the room lamp still can shine direction and angle according to personnel's action information automatically regulated in the car, driver's both hands have been liberated, personnel's in the vehicle experience is felt.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. A vehicle room lamp control system, comprising:
the indoor light acquisition module is used for acquiring the light intensity distribution information in the vehicle room;
the vehicle speed acquisition module is used for acquiring vehicle speed information of the vehicle;
the traffic acquisition module is used for acquiring the surrounding traffic information of the vehicle;
the control module controls whether the indoor lamp is turned on or not according to the light intensity distribution information, the vehicle speed information and the surrounding traffic information;
the adjusting module is used for adjusting the irradiation direction and the angle of the indoor lamp according to the current personnel action information in the vehicle when the indoor lamp is started;
the indoor light collection module includes:
the light sensor is used for acquiring light intensity information of different seats in the indoor space of the vehicle;
a storage unit for storing a seat profile in the vehicle compartment;
the processing unit is used for obtaining light intensity distribution information in the vehicle chamber according to the light intensity information at different seats and the seat distribution diagram;
and the brightness control module is used for adjusting the brightness of the indoor lamp according to the light intensity distribution information in the vehicle room.
2. A vehicle room lamp control system as set forth in claim 1, wherein said control module comprises:
the indoor lamp starting condition judging unit is used for judging whether the indoor lamp starting condition is met currently in the vehicle according to the obtained light intensity distribution information;
the first vehicle speed judging unit is used for judging whether the vehicle speed is zero or not when the indoor lamp starting condition is met;
the parking condition judging unit is used for judging whether the current parking operation of the vehicle needs to turn on the indoor lamp or not when the indoor lamp turning-on condition is met and the vehicle speed is zero;
the parking time judging unit is used for judging whether the parking time of the vehicle is greater than a preset first time threshold value or not when the vehicle needs to start the indoor lamp, and if the parking time of the vehicle is greater than the preset first time threshold value, the control module starts the indoor lamp;
and the second vehicle speed judging unit is used for judging whether the current vehicle speed is greater than the preset vehicle speed or not when the indoor lamp is in an on state, and if the current vehicle speed is greater than the preset vehicle speed, the control module turns off the indoor lamp.
3. The vehicle room light control system of claim 1, wherein the control module further comprises:
the no-operation judging unit is used for judging whether the personnel in the vehicle has operation dynamics or not when the indoor lamp is turned on;
and the non-operation time judging unit is used for judging whether the time of the non-operation dynamic state is greater than a preset second time threshold value or not when personnel in the vehicle do not have the operation dynamic state, and if the time of the non-operation dynamic state is greater than the preset second time threshold value, the control module turns off the indoor lamp.
4. The vehicle room light control system of claim 1, wherein the adjustment module comprises:
the image acquisition unit is used for acquiring a dynamic image of the current personnel in the vehicle;
the action position judging unit is used for judging the position of the action of the personnel in the vehicle according to the personnel dynamic image;
the angle control unit is used for correspondingly adjusting the illumination direction and the illumination angle of the indoor lamp according to the position of the action of the person in the vehicle;
the lighting direction comprises a front passenger seat direction and a rear seat direction, the lighting angle of the front passenger seat direction is an included angle between the axial direction and the plumb direction when the indoor lamp faces to one side of the front passenger seat, the lighting angle adjusting range of the front passenger seat direction is 15-45 degrees, the lighting angle of the rear seat direction is an included angle between the axial direction and the plumb direction when the indoor lamp faces to one side of the tail of the vehicle, and the lighting angle adjusting range of the rear seat direction is 15-70 degrees.
5. The vehicle interior lamp control system according to claim 4, wherein the action position determination unit includes:
a first action identification subunit, configured to pre-process the dynamic image of the person, extract an orientation feature of the current person in the vehicle, and acquire a set L (u) of a spatial location feature of the current person in the vehicle by using the following algorithmx,vy,wz)：
Wherein N is the number of the acquired dynamic images of the person, N is 1,2,3 … … N, pi is a natural constant, exp is an exponential function with the natural constant e as the base, tan is a tangent trigonometric function,
is a partial derivative function, theta is an included angle between the image acquisition unit and the current person in the vehicle, f (D) is a distance between the image acquisition unit and the person in the vehicle, x is a transverse movement amplitude of the current person in the vehicle in the dynamic image of the person in the left-right direction, y is a vertical movement amplitude of the current person in the vehicle in the dynamic image of the person with the horizontal plane as a reference, z is a longitudinal movement amplitude of the current person in the vehicle in the dynamic image of the person in the front-back direction, u and D0For the current initial reference position u of the person in the vehicle in the dynamic image of the personxThe horizontal coordinate vector value of the current person in the vehicle relative to the reference position when the horizontal movement amplitude of the person is x in the dynamic image of the person，vyThe vertical coordinate vector value w of the current person in the vehicle relative to the reference position when the vertical movement amplitude of the person is y in the dynamic image of the personzThe longitudinal coordinate vector value of the current person in the vehicle relative to the reference position when the longitudinal movement amplitude of the current person in the dynamic image of the person is z is obtained;
a second action identifying subunit, for performing normalization processing on the space position feature set of the personnel in the vehicle by adopting the following algorithm to obtain action feature information Q (a) recognizable by the current personnel in the vehicleε,bτ)：
Wherein epsilon is the moving distance of the upper limb wrist joint of the current person in the vehicle and epsilon belongs to (-1,1), tau is the bending radian of the upper body of the current person in the vehicle, arctan is a tangent trigonometric function, aεA track vector of the upper limb wrist joint of the person when the moving distance of the upper limb wrist joint of the person is epsilon in the vehicle, bτThe bending vector of the upper body of the current person in the vehicle is the bending radian tau of the upper body of the current person;
the action judgment subunit is used for matching the action characteristic information recognizable by the current person in the vehicle with a database stored in the system to obtain an action error value of the action characteristic information of the current person in the vehicle and the action characteristic information in the database, judging that the person does not act if the action error value is smaller than a preset action error value, and judging that the person acts if the action error value is larger than or equal to the preset action error value;
and the position judging subunit is used for judging the position of the action after the action of the person in the vehicle.
6. The vehicle room lamp control system of claim 1, further comprising a voice control module, wherein the voice control module is configured to determine whether the room lamp is turned on or not by recognizing voice information of a person in the vehicle, and a control logic of turning on or off the room lamp by the voice control module is prior to a control logic of turning on or off the room lamp by a vehicle speed.
7. The vehicle room lamp control system according to claim 1, further comprising a priority execution determination module for determining whether there is logic for controlling the on or off of the room lamp with a priority greater than a vehicle speed.
8. A vehicle interior lamp control method comprising the vehicle interior lamp control system according to any one of claims 1 to 7, characterized by comprising:
s1, collecting light intensity distribution information in the vehicle room, and judging whether the light intensity distribution information accords with the indoor lamp starting condition at present;
s2, if the indoor lamp starting condition is judged to be met currently, acquiring the vehicle speed information of the vehicle;
s3, when the vehicle speed is zero, collecting the traffic information around the vehicle, and judging whether the indoor lamp needs to be turned on according to the parking condition of the vehicle;
s4, when the parking condition of the vehicle is judged to be that the indoor lamp needs to be turned on, the indoor lamp is turned on;
and S5, when the indoor lamp is turned on, adjusting the irradiation direction and angle of the indoor lamp according to the current personnel action information in the vehicle.
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