• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Method (400), control unit (210) and system (500) in a vehicle (100) for adjusting an illumination level of at least one set of illuminated indicators (240, 250) in a cabin (200) of the vehicle (100). The method (400) comprises: detecting (401) a requested illumination level of the illuminated indicators (240, 250) in the cabin (200); determining (402) amount of incident light affecting the illuminated indicators (240, 250); converting (403) the determined (402) amount of incident light into an adjustment value; adjusting (404) the detected (401) requested illumination level of the illuminated indicators (240, 250) with the adjustment value; and outputting (405) illumination of the illuminated indicators (240, 250) at the adjusted (404) illumination level.
    公开号:SE1651188A1
    申请号:SE1651188
    申请日:2016-09-05
    公开日:2018-03-06
    发明作者:Johansson Jonny；Ulusoy Serdar
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    METHOD AND CONTROL UNIT FOR ILLUMINATION LEVEL ADJUSTMENT TECHNICAL FIELD This document discloses a method and a control unit. More particularly, a method and acontrol unit are described, for adjusting an illumination level of at least one set of illumi-nated indicators in a cabin of the vehicle.
    BACKGROUND ln a vehicle, perhaps in particular in a control panel of the vehicle, there are a number ofilluminated indicators that are used to inform the driver of the vehicle status. lt may e.g. bea lamp / diode in a switch to indicate that the function is selected/ active or illuminatedsymbols such as instrument cluster indicating different status of other functions and sys-tems. Some examples may be flashing with a diode to indicate that a turn signal is active,or that a diode is ignited to indicate that the vehicle is running low on gas.
    At low ambient light, i.e. during night driving, it is required to adjust the intensity of theseindications in order not to dazzle the driver; and at high ambient light, i.e. sunlight, the indi-cator intensity needs to be high in order to be visible for the driver.
    This per se known problem has traditionally been handled with a rheostat, i.e. dimmer, thatthe driver can use to manually set an appropriate fighting of the indicators. A problem how-ever arises when different parts of the driver interface has different levels of ambient light.For example, indicators on the left side of the cabin may be more externally illuminatedthan the right side of the cabin. This means that increased illumination is required for indi-cators on the externally illuminated parts of the cabin, in order to be visible, while indicatorson the less illuminated parts of the cabin with advantage would benefit from being kept at a low illumination level in order not to dazzle the driver.
    Another problem for a driver emerge when driving in daylight and reaching a tunnel. ltwould then be desired to increase the illumination of the indicators, and vice versa.
    The information provided by the illuminated indicators is often crucial for a safe convey-ance of the vehicle. ln case the driver cannot detect an illuminated indicator, the conse-quence may be severe from a traffic safety perspective.
    Further, it is desired that the driver focus on the environmental traffic situation, rather thanregulating illumination levels of indicators in the cabin, as such activity may distract thedriver and even present a road safety hazard. lt would thus be desired to find a solution to the above described problems.
    SUMMARY lt is therefore an object of this invention to solve at least some of the above problems andimprove visibility of indicators in a vehicle cabin.
    According to a first aspect of the invention, this objective is achieved by a method in a con-trol unit in a vehicle for adjusting an illumination level of at least one set of illuminated indi-cators in a cabin of the vehicle. The method comprises detecting a requested illuminationlevel of the illuminated indicators in the cabin. Further, the method also comprises deter-mining amount of incident light affecting the illuminated indicators. The method in additioncomprises converting the determined amount of incident light into an adjustment value. Themethod also comprises adjusting the detected requested illumination level of the illumi-nated indicators with the adjustment value. The method additionally comprises outputtingillumination of the illuminated indicators at the adjusted illumination level.
    According to a second aspect of the invention, this objective is achieved by a control unit ina vehicle for adjusting an illumination level of at least one set of illuminated indicators in acabin of the vehicle. The control unit is configured to detect a requested illumination level ofthe illuminated indicators in the cabin, as indicated by an illumination controller. The controlunit is furthermore configured to determine amount of incident light affecting the illuminatedindicators via at least one sensor. ln addition, the control unit is also configured to convertthe determined amount of incident light into an adjustment value. Furthermore, the controlunit is configured to adjust the detected requested illumination level of the illuminated indi-cators with the adjustment value. The control unit is also configured to output illumination ofthe illuminated indicators at the adjusted illumination level.
    Thanks to the described aspects, by adjusting the outputted illumination of illuminated indi-cators of the vehicle with regard to an amount of incident light, affecting the indicators, theindicators may be illuminated in a way making them visible in different or varying environ-mental light conditions, without dazzling the driver. The risk that the driver misses any im-portant information conveyed by the illuminated indicators is thereby omitted or at leastreduced. Further, by adjusting the illumination level based on incident light of the cabin, the illumination of the indicators may be adjusted also without driver input, which enables thedriver to focus on the environmental traffic situation in case of a sudden change in incom-ing light of the cabin. Visibility of indicators in the vehicle cabin is thereby improved, as wellas traffic security.
    Other advantages and additional novel features will become apparent from the subsequentdetailed description.
    FIGURES Embodiments of the invention will now be described in further detail with reference to theaccompanying figures, in which: Figure 1 illustrates a vehicle according to an embodiment of the invention; Figure 2A illustrates a vehicle interior according to an embodiment of the invention;Figure 2B illustrates a vehicle interior according to an embodiment of the invention;Figure 2C illustrates a vehicle interior according to an embodiment of the invention;Figure 3 illustrates an example of indicator illumination according to an embodiment of the invention;Figure 4 is a flow chart illustrating an embodiment of the method;Figure 5 is an illustration depicting a system according to an embodiment.
    DETAILED DESCRIPTION Embodiments of the invention described herein are defined as a method and a control unit,which may be put into practice in the embodiments described below. These embodimentsmay, however, be exemplified and realised in many different forms and are not to be lim-ited to the examples set forth herein; rather, these illustrative examples of embodimentsare provided so that this disclosure will be thorough and complete.
    Still other objects and features may become apparent from the following detailed descrip-tion, considered in conjunction with the accompanying drawings. lt is to be understood,however, that the drawings are designed solely for purposes of illustration and not as adefinition of the limits of the herein disclosed embodiments, for which reference is to bemade to the appended claims. Further, the drawings are not necessarily drawn to scaleand, unless otherwise indicated, they are merely intended to conceptually illustrate thestructures and procedures described herein.
    Figure 1 illustrates a scenario with a vehicle 100 driving on a road 110.
    The vehicle 100 may comprise a means for transportation in broad sense such as e.g. atruck, a car, a motorcycle, a trailer, a bus, a bike, a train, a tram, an aircraft, a watercraft, acable transport, an aerial tramway, an elevator, a drone, a spacecraft, or other similarmanned or unmanned means of conveyance running e.g. on wheels, rails, air, water or similar media.
    The vehicle 100 may be configured for running on a road, on a rail, in terrain, in water, inair, in space, etc.
    Figure 2A illustrates an example of a mechanism for adjusting an illumination level of atleast one set of illuminated indicators in a cabin 200 of the vehicle 100.
    The vehicle 100 comprises a control unit 210, for adjusting an illumination level of at leastone set of illuminated indicators in the cabin 200 of the vehicle 100. The cabin 200 furthercomprises an illumination controller 220, preferably situated within convenient arm-lengthrange from the driver of the vehicle 100. The illumination controller 220 may comprise aknob, a button, a slider, a lever or similar control.
    Further, the cabin 200 also comprises at least one sensor 230, configured to detect inci-dent light in the cabin 200. The sensor 230 may be a photovoltaic cell, a photodiode, a so-lar cell or similar device configured to detect light or other electromagnetic radiation withinor near the visible range; or measuring light intensity of incoming light. The sensor 230 maybe situated inside the cabin 200, e.g. in vicinity of a dash board in the vehicle 100; or alter-natively in a windscreen or a window of the cabin 200, which may be appropriate when thesensor 230 is transparent; or outside the cabin 200, e.g. on the roof of the cabin 200, forexample.
    The cabin 200 furthermore comprises at least one set of illuminated indicators 240, 250 ina cabin 200. The illuminated indicators 240, 250 may be situated in the same or differentparts of the cabin 200. The illuminated indicators 240, 250 comprises a light emitting unit,such as a diode, or a display, for example, or any arbitrary similar light source.
    According to some embodiments, the previously discussed problems may be solved by atwo-part solution: firstly, based on the amount of incident light as measured by the sensor230, it is calculated how much light should be outputted by the indicators 240, 250, also taking user input via the illumination controller 220 into account; and secondly it is deter-mined how quickly the indicators 240, 250 react to changes in the incident light.
    The driver may set and continuously adjust a requested illumination level of the indicators240, 250 via the illumination controller 220. The control unit 210 may then, based on theuser input from the controller 220 adjust the light outputted by the indicators 240, 250.Typically, the amount of light outputted by the indicators 240, 250 is controlled by a Pulse-Width Modulation (PWM) output where the duty cycle is varied. Thereby, the luminous in-tensity of the illuminated indicators 240, 250 may be adjusted.
    PWM is a modulation technique which may be used to allow control of the power suppliedto electrical devices, such as e.g. light equipment. The link between the requested illumina-tion level and duty cycle can be made with e.g. an algorithm or a table of defined valueswhere the control unit 210 interpolates between these values to obtain a light curve.
    Similarly, it may also be calculated how much the illumination level of the illuminated indi-cators 240, 250 is to be compensated due to the external light incident on the indicators240, 250, which external light incident is determined by the sensor 230. The sensor 230may comprise a light sensor such as e.g. a photo sensor or photodetector enabled to con-vert detected light signals that hit the junction into voltage or current.
    The information from this sensor 230 may then be used in the same way as the calculationof the required level of illumination, but using the detected amount of external light incident,as detected by the sensor 230, as input value. Further, a table with defined values may beused, with interpolation between these values, in some embodiments. Thus a certain de-tected amount of external light incident may be translated into a duty cycle for the PWMwhich is to be compensated. The table may indicate how much light will be compensatedas the table that translates the incident light naturally may comprise negative values for thelighting needs to be damped in certain situations, such as e.g. when the vehicle 100 entersa tunnel, a garage, etc.
    The two computed duty cycle values may then be added in order to achieve the duty cycleto be utilised for the indicators 240, 250. This will be further discussed and exemplified inFigure 3.
    Figure 2B illustrates yet an example of a mechanism for adjusting an illumination level of aplurality of sets of illuminated indicators 240, 250 in a cabin 200 of the vehicle 100.
    The main difference in comparison with the previously discussed embodiment illustrated inFigure 2A is that a plurality of sensors 230-1, 230-2 are used. ln some embodiments, a first sensor 230-1 may be situated in a vicinity of a first set of illu-minated indicators 240 while a second sensor 230-2 situated in vicinity of a second set ofilluminated indicators 250.
    Thus the first sensor 230-1 may be associated with the first set of illuminated indicators240 while the second sensor 230-2 may be associated with the second set of illuminatedindicators 250, in some embodiments.
    Thereby, the amount of incident light may be determined at a plurality of distinct parts ofthe cabin 200 by a plurality of sensors 230-1, 230-2. The determined amounts of incidentlight as measured by the respective sensors 230-1, 230-2 may then be converted into arespective adjustment value for the set of illuminated indicators 240, 250 situated in thepart of the cabin 200 where the amount of incident light has been determined.
    Thereby, the detected requested illumination levels of illuminated indicators 240, 250 in theplurality of distinct parts of the cabin 200 may be adjusted with the corresponding respec-tive adjustment value for that part of the cabin 200. The illumination outputted by the illumi-nated indicators 240, 250 may thus be adjusted by the respective adjustment value for il-luminated indicators 240, 250 in that part of the cabin 200.
    Figure 2C illustrates another example of a mechanism for adjusting an illumination level ofa plurality of sets of illuminated indicators 240, 250 in a cabin 200 of the vehicle 100.
    According to the illustrated embodiment, the vehicle 100 comprises a plurality of controlunits 210-1, 210-2. Further, a first control units 210-1 may be associated with a first sensor230-1 and a first set of illuminated indicators 240 while a second control unit 210-2 may beassociated with a second sensor 230-2 and a second set of illuminated indicators 250.
    Thereby, illuminated indicators 240, 250 in different segments of the cabin 200 may beregulated by distinct control units 210-1, 210-2, based on light measurement values deter-mined by a respective sensor 230-1, 230-2.
    Figure 3 illustrates an example of light adjustment of illuminated indicators 240, 250 in acabin 200 of a vehicle 100 according to an embodiment. ln the illustrated non-limiting example, the driver has indicated a requested illuminationlevel 40 of the indicators 240, 250 via the illumination controller 220. According to the con-version table, the requested illumination level 40 is translated into 15% PWM duty cycle.Further, the incident light in the cabin 200 is measured by the sensor 230 into 1000 Lux,which according to the table is translated into a 5% PWM duty cycle. According to the illus-trated embodiment, these two values may then be added into a resulting PWM duty cycleof 20%.
    Furthermore, it may be regulated how fast the illumination level of the illuminated indicators240, 250 is changed. ln case the illumination level is changed too fast, it may provide anervous and flashing sensation while a too slow change in the illumination level may resultin that the indicators 240, 250 sometimes are too weakly illuminated and sometimes toostrongly illuminated.
    According to some embodiments, the incoming light may be measured a predetermined orconfigurable amount of times per time unit, such as e.g. per second, and then an averagevalue may be calculated, based on a number of incoming light measurements made by thesensor 230. Such calculations may be performed continuously in some embodiments. Thusan average of the x number of latest made measurements may be made, where x may bean arbitrary number between 1 and w.
    A non-limiting example of such average calculation of incoming light when x = 5 may be: average calculation 1 50 100 =100|uX average calculation 2 100 =106 lux average calculation 350 100 The described average calculation of the incoming light may be made in combination withany of the previously described embodiments in Figure 1, Figure 2A, Figure 2B, Figure 2Cand/ or Figure 3 for adjusting the illumination level of the indicators 240, 250 in the cabin200.
    An advantage according to the herein discussed embodiments is that the lighting of theindicators 240, 250 in the cabin 200 can be made visible for the driver in all operating con-ditions, without being intrusive. Thereby, traffic safety is enhanced as the driver does notmiss any information provided by the indicators 240, 250, and by that the driver does nothave to spend much effort in regulating the light of the indicators 240, 250, which enablehim/ her to focus on the environmental traffic situation.
    According to some embodiments, there may be a minimum level concerning the lightinglevel in the cabin, in order to avoid that the illumination is completely turned off. ln a non-limiting example, the minimum level may be set to e.g. 5% duty cycle. Thus, in case thesum of the requested illumination level 40 and the incident light as measured by the sensor230 becomes lower than 5% duty cycle, the result may still be set to 5% duty cycle.
    Figure 4 illustrates an example of a method 400 according to an embodiment. The flowchart in Figure 4 shows the method 400 in a control unit 210 in a vehicle 100 for adjustingan illumination level of at least one set of illuminated indicators 240, 250 in a cabin 200 ofthe vehicle 100.
    The vehicle 100 may be e.g. a truck, a bus, a car or any kind of vehicle 100. ln order to correctly be able to adjust the illumination level, the method 400 may comprise anumber of steps 401-405. The described steps 401-405 may be performed in a somewhatdifferent chronological order than the numbering suggests. The method 400 may comprisethe subsequent steps: Step 401 comprises detecting a requested illumination level of the illuminated indicators240, 250 in the cabin 200.
    The requested illumination level may be detected via an illumination controller 220 in someembodiments, which may be regulated by the driver of the vehicle 100.
    According to some embodiments, different requested illumination levels may be detected ofilluminated indicators 240, 250 in a plurality of distinct parts of the cabin 200.
    Step 402 comprises determining amount of incident light affecting the illuminated indicators240, 250, by a sensor 230.
    The amount of incident light affecting the illuminated indicators 240, 250 may in some em-bodiments be determined by measuring the amount of incident light iteratively at differentpoints in time and calculating an average amount of incident light.
    The amount of incident light may in some embodiments be determined at a plurality of dis-tinct parts of the cabin 200, by a plurality of distinct sensors 230-1, 230-2.
    An advantage of having a plurality of sensors 230-1, 230-2 situated in different parts of thecabin 200 is that the outputted light of the illuminated indicators 240, 250 may be adjusteddifferently in different parts of the cabin 200, depending on local light conditions as de-tected by a local sensor 230-1 , 230-2.
    Step 403 comprises converting the determined 402 amount of incident light into an adjust-ment value.
    The adjustment value may comprise an Output Signal Level, in some embodiments.
    Further, in case the amount of incident light has been determined 402 at a plurality of dis-tinct parts of the cabin 200 by distinct sensors 230-1, 230-2, the respective determined 402amounts of incident light at the plurality of distinct parts of the cabin 200 may be convertedinto a respective adjustment value for a set of illuminated indicators 240, 250 situated inthe part of the cabin 200 where the amount of incident light has been determined 402.
    Step 404 comprises adjusting the detected 401 requested illumination level of the illumi-nated indicators 240, 250 with the adjustment value.
    The adjusted illumination level may comprise an Output Signal Level. ln some embodiments, wherein different requested illumination levels have been detectedof illuminated indicators 240, 250 in a plurality of distinct parts of the cabin 200, the respec-tive illumination level of the indicators 240, 250 may be adjusted with the correspondingrespective adjustment value for that part of the cabin 200.
    Step 405 comprises outputting illumination of the illuminated indicators 240, 250 at theadjusted 404 illumination level. lllumination may in some embodiments be outputted by the illuminated indicators 240, 250at the plurality of distinct parts of the cabin 200, adjusted 404 by the respective adjustmentvalue for illuminated indicators 240, 250 in that part of the cabin 200.
    Figure 5 illustrates an embodiment of system 500 in a vehicle 100 for adjusting an illumi-nation level of at least one set of illuminated indicators 240, 250 in a cabin 200 of the vehi-cle 100. The system 500 comprises at least one control unit 210, configured to perform atleast some of the method steps 401-405 according to the method 400 described above andillustrated in Figure 4 for adjusting the illumination level of the illuminated indicators 240,250.
    The control unit 210 is configured to detect a requested illumination level of the illuminatedindicators 240, 250 in the cabin 200, as indicated by an illumination controller 220. Further,the control unit 210 is configured to determine amount of incident light affecting the illumi-nated indicators 240, 250 via at least one sensor 230. The control unit 210 is in additionconfigured to convert the determined amount of incident light into an adjustment value. lnaddition, the control unit 210 is further configured to adjust the detected requested illumina-tion level of the illuminated indicators 240, 250 with the adjustment value. The control unit210 is configured to generate control signals for outputting illumination of the illuminatedindicators 240, 250 at the adjusted illumination level.
    According to some embodiments, the control unit 210 may be further configured to deter-mine the amount of incident light in the cabin 200 by measuring the amount of incident lightiteratively at different points in time via the sensor 230 and calculating an average amountof incident light.
    Furthermore, the control unit 210 may also be configured to compute an Output SignalLevel based on the adjustment value and the adjusted illumination level.
    According to some embodiments, the control unit 210 may be configured to determine theamount of incident light affecting the illuminated indicators 240, 250 at a plurality of distinctparts of the cabin 200. The control unit 210 may also be configured to convert the deter-mined amounts of incident light at the plurality of distinct parts of the cabin 200 into a re-spective adjustment value for a set of illuminated indicators 240, 250 situated in the part ofthe cabin 200 where the amount of incident light has been determined. Further the controlunit 210 may also be configured to adjust the detected requested illumination levels of illu-minated indicators 240, 250 in the plurality of distinct parts of the cabin with the corre- 11 sponding respective adjustment value for that part of the cabin 200. The control unit 210may also be additionally configured to output illumination by the illuminated indicators 240,250 at the plurality of distinct parts of the cabin 200, adjusted by the respective adjustmentvalue for illuminated indicators 240, 250 in that part of the cabin 200, in some embodi-ments.
    The system 500 also comprises an illumination controller 220. The illumination controller220 enables a user such as the driver to adjust the illumination level of the illuminated indi-cators 240, 250.
    Further, the system 500 comprises at least one sensor 230 for detecting incident light inthe cabin 200. ln some embodiments, the system 500 may also comprise a plurality ofsensors 230, each positioned for detecting incident light affecting the illuminated indicators240, 250 in distinct parts of the cabin 200.
    Additionally, the system 500 furthermore comprises the at least one set of illuminated indi-cators 240, 250 in the cabin 200 of the vehicle 100.
    The control unit 210 may comprise a receiving circuit 510 configured for receiving a signalfrom the sensor 230 via a wired or wireless communication interface.
    The control unit 210 may also comprise a processor 520 configured for performing at leastsome of the calculating or computing of the control unit 210.
    Such processor 520 may comprise one or more instances of a processing circuit, i.e. aCentral Processing Unit (CPU), a processing unit, a processing circuit, a processor, anApplication Specific Integrated Circuit (ASIC), a microprocessor, or other processing logicthat may interpret and execute instructions. The herein utilised expression ”processor” maythus represent a processing circuitry comprising a plurality of processing circuits, such as,e.g., any, some or all of the ones enumerated above.
    Furthermore, the control unit 210 may comprise a memory 525 in some embodiments. Theoptional memory 525 may comprise a physical device utilised to store data or programs,i.e., sequences of instructions, on a temporary or permanent basis. According to some em-bodiments, the memory 525 may comprise integrated circuits comprising silicon-basedtransistors. The memory 525 may comprise e.g. a memory card, a flash memory, a USBmemory, a hard disc, or another similar volatile or non-volatile storage unit for storing data 12 such as e.g. ROIVI (Read-Only Memory), PROM (Programmable Read-Only Memory),EPROM (Erasable PROM), EEPROM (Electrically Erasable PROM), etc. in different em-bodiments.
    Further, the control unit 210 may comprise a signal transmitter 530. The signal transmitter530 may be configured for transmitting a control signal over a wired or wireless interface tobe received by the illuminated indicators 240, 250.
    The previously described method steps 401-405 to be performed by the control unit 210may be implemented through the one or more processors 520 within the control unit 210,together with a computer program for performing at least some of the functions of themethod steps 401-405. Thus a computer program, comprising instructions for performingthe method steps 401-405 in the control unit 210 may perform the method 400 comprisingat least some of the steps 401-405 for adjusting an illumination level of at least one set ofilluminated indicators 240, 250 in a cabin 200 of the vehicle 100, when the computer pro-gram is loaded into the one or more processors 520 of the control unit 210.
    The computer program mentioned above may be provided for lnstance in the form of adata carrier carrying computer program code for performing at least some of the methodsteps 401-405 according to some embodiments when being loaded into the one or moreprocessors 520 of the control unit 210. The data carrier may be, e.g., a hard disk, a CDROM disc, a memory stick, an optical storage device, a magnetic storage device or anyother appropriate medium such as a disk or tape that may hold machine readable data in anon-transitory manner. The computer program product may furthermore be provided ascomputer program code on a server and downloaded to the control unit 210 remotely, e.g.,over an Internet or an intranet connection.
    Further, some embodiments may comprise a vehicle 100, comprising the system 500, con-figured for adjusting an illumination level of at least one set of illuminated indicators 240,250 in a cabin 200 of the vehicle 100.
    The terminology used in the description of the embodiments as illustrated in the accompa-nying drawings is not intended to be limiting of the described method 400; the control unit210; the system 500, the computer program or the vehicle 100. Various changes, substitu-tions or alterations may be made, without departing from invention embodiments as de-fined by the appended claims. 13 As used herein, the term "and/ or" comprises any and all combinations of one or more ofthe associated listed items. The term “or” as used herein, is to be interpreted as a mathe-matical OR, i.e., as an inclusive disjunction; not as a mathematical exclusive OR (XOR),unless expressly stated otherwise. ln addition, the singular forms "a", "an" and "the" are tobe interpreted as “at least one", thus also possibly comprising a plurality of entities of thesame kind, unless expressly stated othen/vise. lt will be further understood that the terms"includes", "comprises", "including" or "comprising", specifies the presence of stated feat-ures, actions, integers, steps, operations, elements, or components, but do not precludethe presence or addition of one or more other features, actions, integers, steps, operations,elements, components, or groups thereof. A single unit such as e.g. a processor may fulfilthe functions of several items recited in the claims. The mere fact that certain measuresare recited in mutually different dependent claims does not indicate that a combination ofthese measures cannot be used to advantage. A computer program may be stored/ distrib-uted on a suitable medium, such as an optical storage medium or a solid-state mediumsupplied together with or as part of other hardware, but may also be distributed in other forms such as via Internet or other wired or wireless communication system.
    权利要求:
    Claims (12)
    [1] 1. A method (400) in a control unit (210) in a vehicle (100) for adjusting an illumina-tion level of at least one set of illuminated indicators (240, 250) in a cabin (200) of the vehi-cle (100), which method (400) comprises: detecting (401) a requested illumination level of the illuminated indicators (240,250) in the cabin (200); determining (402) amount of incident light affecting the illuminated indicators (240,250); converting (403) the determined (402) amount of incident light into an adjustmentvalue; adjusting (404) the detected (401) requested illumination level of the illuminatedindicators (240, 250) with the adjustment value; and outputting (405) illumination of the illuminated indicators (240, 250) at the adjusted(404) illumination level.
    [2] 2. The method (400) according to claim 1, wherein the amount of incident light affect-ing the illuminated indicators (240, 250) is determined (402) by measuring the amount ofincident light iteratively at different points in time and calculating an average amount ofincident light.
    [3] 3. The method (400) according to any of claim 1 or claim 2, wherein the adjustmentvalue and the adjusted (404) illumination level comprises an Output Signal Level.
    [4] 4. The method (400) according to any of claims 1-3, wherein: the amount of incident light is determined (402) at a plurality of distinct parts of thecabin (200); the determined (402) amounts of incident light at the plurality of distinct parts ofthe cabin (200) are converted (403) into a respective adjustment value for a set of illumi-nated indicators (240, 250) situated in the part of the cabin (200) where the amount of inci-dent light has been determined (402); the detected (401) requested illumination levels of illuminated indicators (240,250) in the plurality of distinct parts of the cabin (200) are adjusted (404) with the corre-sponding respective adjustment value for that part of the cabin (200); and illumination is outputted (405) by the illuminated indicators (240, 250) at the plural-ity of distinct parts of the cabin (200), adjusted (404) by the respective adjustment value forilluminated indicators (240, 250) in that part of the cabin (200).
    [5] 5. A control unit (210) in a vehicle (100) for adjusting an illumination level of at leastone set of illuminated indicators (240, 250) in a cabin (200) of the vehicle (100), which con-trol unit (210) is configured to: detect a requested illumination level of the illuminated indicators (240, 250) in thecabin (200), as indicated by an illumination controller (220); determine amount of incident light affecting the illuminated indicators (240, 250)via at least one sensor (230); convert the determined amount of incident light into an adjustment value; adjust the detected requested illumination level of the illuminated indicators (240,250) with the adjustment value; and generate control signals to output illumination of the illuminated indicators (240,250) at the adjusted illumination level.
    [6] 6. The control unit (210) according to claim 5, wherein the control unit (210) is furtherconfigured to determine the amount of incident light in the cabin (200) by measuring theamount of incident light iteratively at different points in time via the sensor (230) and calcu-lating an average amount of incident light.
    [7] 7. The control unit (210) according to any of claim 5 or claim 6, wherein the adjust-ment value and the adjusted (304) illumination level comprises an Output Signal Level.
    [8] 8. The control unit (210) according to any of claims 5-7, further configured to: determine the amount of incident light affecting the illuminated indicators (240,250) at a plurality of distinct parts of the cabin (200); convert the determined amounts of incident light at the plurality of distinct parts ofthe cabin (200) into a respective adjustment value for a set of illuminated indicators (240,250) situated in the part of the cabin (200) where the amount of incident light has beendetermined; adjust the detected requested illumination levels of illuminated indicators (240,250) in the plurality of distinct parts of the cabin with the corresponding respective adjust-ment value for that part of the cabin (200); and output illumination by the illuminated indicators (240, 250) at the plurality of dis-tinct parts of the cabin (200), adjusted by the respective adjustment value for illuminatedindicators (240, 250) in that part of the cabin (200).
    [9] 9. A computer program comprising program code for performing a method (300) ac-cording to any of claims 1-4 when the computer program is executed in the control unit 16 (21 O), according to any of claims 5-8.
    [10] 10.set of illuminated indicators (240, 250) in a cabin (200) of the vehicle (100), wherein thesystem (500) comprises: A system (500) in a vehicle (100) for adjusting an illumination level of at least one at least one control unit (210) according to any of claims 5-8; an illumination controller (220); at least one sensor (230) for detecting incident light in the cabin (200); and the at least one set of illuminated indicators (240, 250) in the cabin (200) of thevehicle (100).
    [11] 11.each positioned for detecting incident light affecting the illuminated indicators (240, 250) indistinct parts of the cabin (200). The system (500) according to claim 10, comprising a plurality of sensors (230),
    [12] 12. A vehicle (100) comprising a system (500) according to any of claims 10-11.
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    同族专利:
    公开号 | 公开日
    SE542195C2|2020-03-10|
    DE102017008160A1|2018-03-08|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE102020106705A1|2020-03-11|2021-09-16|Motherson Innovations Company Limited|Rearview system with controllable reflectance of a rearview mirror and / or a display for motor vehicles, motor vehicles and method for controlling a reflectance of a color display of a rearview mirror|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1651188A|SE542195C2|2016-09-05|2016-09-05|Method and control unit for illumination level adjustment of illuminated indicators in a vehicle cabin|SE1651188A| SE542195C2|2016-09-05|2016-09-05|Method and control unit for illumination level adjustment of illuminated indicators in a vehicle cabin|
    DE102017008160.3A| DE102017008160A1|2016-09-05|2017-08-29|Method and control unit for illuminance adjustment|
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