Automatic activation of a fog protection system onboard a vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64D-013/00
B60H-001/00
출원번호
US-0573614
(2014-12-17)
등록번호
US-9834310
(2017-12-05)
발명자
/ 주소
Meis, Charles S.
Germeroth, Todd J.
출원인 / 주소
The Boeing Company
대리인 / 주소
MH2 Technology Law Group LLP
인용정보
피인용 횟수 :
0인용 특허 :
7
초록▼
A method is provided that includes a number of operations performed in real-time during operation of a vehicle. That is, the method may include detecting fog on an interior surface of the window using one or more sensors according to a process, and automatically activating a fog protection system to
A method is provided that includes a number of operations performed in real-time during operation of a vehicle. That is, the method may include detecting fog on an interior surface of the window using one or more sensors according to a process, and automatically activating a fog protection system to reduce or prevent fog on the interior surface of the window in an instance in which fog is detected according to the process. For each sensor, the process may include receiving a measurement from the sensor. And from the measurement, the process may include identifying or calculating a dew-point temperature in a compartment of the vehicle including the window to an exterior thereof, and detecting fog on the interior surface of the window in an instance in which the dew-point temperature is near, at, or above a surface temperature of the interior surface of the window.
대표청구항▼
1. An apparatus for detecting or predicting fog on an interior surface of a window of a compartment of a vehicle, the apparatus comprising: a processor;at least one first sensor coupled to the processor;at least one second sensor coupled to the processor;a fog protection system; anda computer-readab
1. An apparatus for detecting or predicting fog on an interior surface of a window of a compartment of a vehicle, the apparatus comprising: a processor;at least one first sensor coupled to the processor;at least one second sensor coupled to the processor;a fog protection system; anda computer-readable storage medium coupled to the processor and having computer-readable program code stored therein that, in response to execution by the processor, causes the apparatus real-time during operation of the vehicle to: receive at least one measurement from the first sensor, and from the measurement identify or calculate a dew-point temperature in the compartment of the vehicle including the window;calculate a surface temperature of at least a portion of the interior surface of the window;detect or predict fog on the interior surface of the window in the event the dew-point temperature is at, near, or above the surface temperature of the interior surface of the window;receive at least one measurement from the at least one second sensor, the measurement being of an intensity of an emitted light beam as reflected off the interior surface of the window;detect fog on the interior surface of the window in the event the intensity is below a predetermined threshold; andautomatically activate the fog protection system in the event fog is detected or predicted according to the measurement of the at least one first sensor or the measurement of the at least one second sensor, wherein the apparatus detects fog on a per-window basis and activates the fog protection system to reduce or prevent fog on the window and one or more other windows when the fog is detected on the window but not detected on the one or more other windows. 2. The apparatus of claim 1, wherein the one or more first sensors include a temperature sensor and a relative humidity sensor; wherein causing the apparatus to receive at least one measurement from the first sensor includes causing the apparatus to receive an ambient temperature in the compartment from the temperature sensor and to receive a relative humidity in the compartment from a relative-humidity sensor;wherein causing the apparatus to identify or calculate the dew-point temperature includes causing the apparatus to calculate the dew-point temperature as a function of the ambient temperature and relative humidity within the compartment; andwherein causing the apparatus to calculate the surface temperature includes causing the apparatus to calculate the surface temperature as a function of a total air temperature exterior to the vehicle and a speed of the vehicle. 3. The apparatus of claim 1, wherein the apparatus comprises at least two first sensors; wherein causing the apparatus to receive at least one measurement from the first sensor includes causing the apparatus to receive at least one measurement from each of the first sensors; andwherein causing the apparatus to automatically activate the fog protection system includes causing the apparatus to automatically activate the fog protection system only in the event fog is detected or predicted from the measurements from a majority of the one or more first sensors. 4. The apparatus of claim 1, wherein causing the apparatus to automatically activate the fog protection system includes causing the apparatus to automatically activate the fog protection system only in the event fog is detected from measurements from a majority of a collective of the one or more first sensors and the one or more second sensors. 5. The apparatus of claim 1, wherein the vehicle comprises an aircraft, and wherein the first sensor is located near a ceiling of a cockpit of the aircraft. 6. The apparatus of claim 1, wherein the dew-point temperature is calculated using the following equation Tdew-point=RH0.125*(112+0.9*Tcockpit)+(0.1*Tcockpit)−112, where Tdew-point is the dew-point temperature, RH is a percentage of relative humidity, and Tcockpit is the temperature in the cockpit. 7. The apparatus of claim 1, wherein the dew-point temperature is calculated using the following equation Tdew-point=(100−RH)/5 where Tdew-point is the dew-point temperature and RH is a percentage of relative humidity. 8. A method of detecting or predicting fog on an interior surface of a window of a compartment of a vehicle, the method comprising: receiving a measurement from at least one first sensor to obtain a first result;identifying or calculating a dew-point temperature in the compartment of the vehicle including the interior surface of the window from the first result;calculating a surface temperature of at least a portion of the interior surface of the window;detecting or predicting fog on the interior surface of the window from the first result in the event the dew-point temperature is at, near, or above the surface temperature;receiving a measurement from at least one second sensor to obtain a second result, the second result including an intensity of an emitted light beam as reflected off the interior surface of the window;detecting or predicting fog on the interior surface of the window from the second result in the event the intensity is below a predetermined threshold; andautomatically activating a fog protection system according to the first result or the second result, wherein fog is detected or predicted on a per-window basis, and the fog protection system is activated to reduce or prevent fog on the window and one or more other windows when the fog is detected on the window but not detected on the one or more other windows. 9. The method of claim 8, wherein receiving a measurement from at least one first sensor includes receiving measurements from at least two sensors to obtain the first result, the sensors including a temperature sensor and a relative-humidity sensor; wherein receiving the measurements includes receiving a measurement of an ambient temperature in the compartment from the temperature sensor and receiving a measurement of a relative humidity in the compartment from the relative-humidity sensor, the first result being a combination of the ambient temperature and the relative humidity;wherein identifying or calculating the dew-point temperature includes calculating the dew-point temperature based on the first result as a function of the ambient temperature and relative humidity within the compartment; andwherein calculating the surface temperature includes calculation of the surface temperature as a function of a total air temperature exterior to the vehicle and a speed of the vehicle. 10. The method of claim 8, wherein receiving a measurement from at least one sensor to obtain a first result includes receiving measurements from at least two sensors; and wherein automatically activating the fog protection system includes automatically activating the fog protection system only in the event fog is detected or predicted from measurements from a majority of the sensors used to obtain the first result. 11. The method of claim 8, wherein automatically activating the fog protection system includes automatically activating the fog protection system only in the event fog is detected or predicted from the measurements from results obtained from a majority of a collective of the one or more first sensors and the one or more second sensors. 12. A computer-readable storage medium for detecting fog on a window of a compartment of a vehicle, the computer-readable storage medium being non-transitory and having computer-readable program code stored therein that, in response to execution by a processor, cause an apparatus to in real-time during operation of the vehicle to: receive at least one measurement from one or more first sensors, and from the measurement identify or calculate a dew-point temperature in the compartment of the vehicle including the window;calculate a surface temperature of at least a portion of an interior surface of the window;detect or predict fog on the interior surface of the window in the event the dew-point temperature is at, near, or above the surface temperature of the interior surface of the window;receive at least one measurement from one or more second sensors, at least one of the second sensors being operable to measure an intensity of an emitted light beam as reflected off the interior surface of the window;detect fog on the interior surface of the window the event the intensity is below a predetermined threshold; andautomatically activate a fog protection system in the event fog is detected or predicted according to the measurement of the one or more first sensors or the measurement of the one or more second sensors, wherein fog is detected on a per-window basis, and the fog protection system is activated to reduce or prevent fog on the window and one or more other windows when the fog is detected on the window but not detected on the one or more other windows. 13. The computer-readable storage medium of claim 12, wherein the one or more first sensors include a temperature sensor and a relative-humidity sensor; wherein causing the apparatus to receive at least one measurement includes causing the apparatus to receive an ambient temperature in the compartment from the temperature sensor and to receive a relative humidity in the compartment from the relative-humidity sensor;wherein causing the apparatus to identify or calculate the dew-point temperature includes causing the apparatus to calculate the dew-point temperature as a function of the ambient temperature and relative humidity within the compartment; andwherein causing the apparatus to calculate the surface temperature includes causing the apparatus to calculate the surface temperature as a function of a total air temperature exterior to the vehicle and a speed of the vehicle. 14. The computer-readable storage medium of claim 12, wherein causing the apparatus to receive at least one measurement from one or more first sensors includes causing the apparatus to receive at least one measurement from at least two first sensors; and wherein causing the apparatus to automatically activate the fog protection system includes causing the apparatus to automatically activate the fog protection system only in the event fog is detected or predicted from the measurement from a majority of the first sensors. 15. The computer-readable storage medium of claim 12, wherein causing the apparatus to automatically activate the fog protection system includes causing the apparatus to automatically activate the fog protection system in the event fog is predicted or detected according to the measurements from a majority of a collective of the one or more first sensors and the one or more second sensors.
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이 특허에 인용된 특허 (7)
Smith, Becky, Apparatus and method for detection of a film on a surface.
Albrecht Hans (Waiblingen DEX) Reiniger Siegfried (Deizsau DEX) Lauer Wolfgang (Esslingen DEX) Spies Hans (Pfaffenhofen DEX) Laucht Horst (Bruckmhl DEX) Spies Martin (Pfaffenhofen DEX), Device for visibility measurement for a motor vehicle.
Pallaro,Nereo, Optical sensor device to be installed on board a motor-vehicle for aid in driving and/or for automatic activation of systems provided on the motor-vehicle.
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