CN101384116A - Lamp light control method - Google Patents
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- CN101384116A CN101384116A CNA2007101482567A CN200710148256A CN101384116A CN 101384116 A CN101384116 A CN 101384116A CN A2007101482567 A CNA2007101482567 A CN A2007101482567A CN 200710148256 A CN200710148256 A CN 200710148256A CN 101384116 A CN101384116 A CN 101384116A
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Abstract
The invention relates to a lamplight control method. A 3-axis accelerometer sensor is used for retrieving the acceleration values in coordinate axis X, coordinate axis Y and coordinate axis Z; the acceleration values are corresponding to the RGB color value, and then the RGB color value is converted to the lamplight color and displayed as the lamplight color; the acceleration values Ax, Ay and Az respectively in the coordinate axis X, the coordinate axis Y and the coordinate axis Z are retrieved by using the 3-axis accelerometer sensor, and then the Vis (i can be replaced with the x direction, y direction and z direction) of the three coordinate axes are calculated using the acceleration values Ax, Ay and Az according to the following formulas: Vi equals to Vio plus Ait, Vi represents the final velocity in all directions, Ai represents the accelerated velocity in all directions, and t represents time; eight methods are adopted to control the change of the lamplight.
Description
Technical field
The present invention relates to a kind of lamp light control method, particularly about a kind of method of utilizing 3-axis acceleration inductor (3-axis accelerometer sensor) to control light color and brightness.
Background technology
The normal use of lamp light control method in the daily life only has the switch element of Push And Release two states, therefore the general light two states that only goes out a little, evolution along with the light equipment, lighting apparatus in the life no longer is confined to simple illumination and uses, but can need and change the color and the brightness of light arbitrarily along with environmental change, atmosphere, yet this needs extremely complicated control mode.Change in order to come to control light automatically according to situation in more humane mode, the present invention promptly proposes a kind of light control.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and defective, propose a kind of lamp light control method, come to control light automatically in more humane mode and change according to situation.
For reaching above-mentioned purpose, the invention provides a kind of lamp light control method, utilize 3-axis acceleration inductor (3-axis accelerometer sensor) to parse the acceleration figure of three reference axis of XYZ, and it is corresponded to the RGB color value, thereby rgb value is converted to light color.And utilize the 3-axis acceleration inductor to capture the accekeration (Ax, Ay, Az) of X, Y, three change in coordinate axis direction of Z, and utilize accekeration to calculate the speed Vi (the i replaceable is x, y, z direction) of three reference axis, wherein Vi=Vio+Ait, Vi=all directions terminal velocity, Vio=all directions commencing speed, Ai=all directions acceleration, t=time, and get the variation that following eight kinds of methods decide brightness value:
1. the average absolute acceleration A A of accekeration.AA=((| Ax|+|Ay|+|Az|)/3) wherein
2. the scale VA of vectorial acceleration.VA=√ (Ax wherein
2+ Ay
2+ Az
2)
3. the connecting time point t1 of vectorial acceleration scale VA, the difference DA of t2.DA=VA wherein
T2-VA
T1, VA=√ (Ax
2+ Ay
2+ Az
2), t1=time point one, t2=time point two.
4. three acceleration A x, Ay, the connecting time point t1 of Az, the difference DAx of t2, DAy, DAz.DAx=Ax wherein
T2-Ax
T1, DAy=Ay
T2-Ay
T1, DAz=Az
T2-Az
T1
5. the average speed AV of velocity amplitude.AV=((| Vx|+|Vy|+|Vz|)/3) wherein.
6. the scale VV of vector speed.VV=√ (Vx wherein
2+ Vy
2+ Vz
2).
7. the connecting time point t1 of the scale VV of vector speed, the difference DV of t2.VV=√ (Vx wherein
2+ Vy
2+ Vz
2), DV=VV
T2-VV
T1, t1=time point one, t2=time point two.
8. three speed Vx, Vy, the connecting time point t1 of Vz, the difference DVx of t2, DVy, DVz.DVx=Vx wherein
T2-Vx
T1, DVy=Vy
T2-Vy
T1, DVz=Vz
T2-Vz
T1, t1=time point one, t2=time point two.
Description of drawings
Fig. 1 is a kind of of typical 3-axis acceleration inductor (3-axis accelerometer sensor);
Fig. 2 is each the illustration of momental inductor configurations situation of actual measurement.
Embodiment
As shown in Figure 1, typical 3-axis acceleration inductor (3-axis accelerometersensor) can be sensed acceleration (g) on X, Y, three coordinate directions of Z, and it is exported in the electronic signal mode.The 3-axis acceleration inductor of at present known amusement type can measure ± the interior amount of acceleration of 3.00g, for example the ADXL330 acceleration induction device of ADI.The 3-axis acceleration inductor of specification indication of the present invention promptly is example, but is not limited thereto with ± 2.00g.
In addition, the 3-axis acceleration value can demonstrate the feature of directivity.For example; When hand-held straight the turning right of 3-axis acceleration inductor (+when X) brandishing, the reading that the reading of positive g will follow hard on a short negative g occurs, same, (when X) brandishing, the reading that the reading of negative g will follow hard on a short positive g occurs when hand-held straight the turning right of 3-axis acceleration inductor.
A wherein method of the present invention mainly parses 3-axis acceleration inductor (3-axisaccelerometer sensor) acceleration figure of X, Y, three reference axis of Z, correspond to R, G, B color value, according to different situations, just like the following three kinds of execution modes of table 1:
Table 1
| Correspond to rgb value with single vectorial accekeration | X＝R X＝G X＝B Y＝R Y＝G Y＝B Z＝R Z＝G Z＝B |
| Combination with two vectorial accekerations corresponds to rgb value | X＝R，Y＝G X＝R，Y＝B X＝G，Y＝R X＝G，Y＝B X＝B，Y＝R X＝B，Y＝G Y＝R，Z＝G Y＝R，Z＝B Y＝G，Z＝R Y＝G，Z＝B Y＝B，Z＝R Y＝B，Z＝G Z＝R，X＝G Z＝R，X＝B Z＝G，X＝R Z＝G，X＝B Z＝B，X＝R Z＝B，X＝G |
| Combination with three vectorial accekerations corresponds to rgb value | X＝R，Y＝G，Z＝B X＝R，Y＝B，Z＝G X＝G，Y＝B，Z＝R X＝G，Y＝R，Z＝B X＝B，Y＝R，Z＝G X＝B，Y＝G，Z＝R |
Aspect colour lamplight, colour lamplight generally uses rgb color information, i.e. R (redness), G (green), B (blueness) three primary colors, and so-called primary colors is meant " Essential colour " that can not draw by the mixing preparation of other color.With the former mixture of colours, can produce other new color in varing proportions.And a color LED light will show full-color, at least have a redness (R) LED, green (G) LED and a blueness (B) LED, wherein each rgb value is set by 0 to 255, wherein 0 is no color (no brightness) output, be that rgb value is 0,0,0, color LED shows the black of finding of naked eye.
If rgb value is 255,255,255, color LED shows the white of finding of naked eye.Color LED light of the present invention refers to possess at least by a red LED, a green LED and the color LED that blue led is formed, and the present invention promptly is used as the example of enforcement with LED.
Aspect control method, 3-axis acceleration inductor (3-axis accelerometer sensor) X, the Y that is captured, the acceleration data of Z axle, also can relatively be defined between 0 to 255, to arrange in pairs or groups with the rgb value scope of LED light, the present invention defines the corresponding relation of X, Y, Z and the RGB of 3-axis acceleration inductor to a kind of control method of this special proposition.
Change into the color of color LED for corresponding relation with X, Y, Z and the RGB of 3-axis acceleration inductor, the present invention utilizes X, Y, three data of Z to control RGB three looks respectively, it is X-axis Data Control R look, Y-axis Data Control G look, Z axis data control B look, the present invention also can select the accekeration of the 3-axis acceleration inductor of a particular range to correspond to the RGB color value of particular range, in detail will be as following.
How acceleration as for the 3-axis acceleration inductor corresponds to the change in color relation, is example with R (redness), and the present invention is set at linear relationship with the acceleration X of 3-axis acceleration inductor and the R value in the rgb value, and is as follows:
(Xu-X)/X-Xl＝(Ru-R)/(R-Rl)
Wherein, R is a dependent variable; X is a dependent variable, is the accekeration of 3-axis acceleration inductor, and Xu is the upper limit of X, and its value is made as 1g, and Xl is the lower limit of X, and its value is made as 0g, and Ru is made as 255 for red its value of the upper limit, and Rl is made as 150 for red its value of lower limit.Then degree of will speed up value X brings in the formula and can try to achieve the R value.
Other G value, B value also copy the aforementioned calculation mode to get.
The present invention also can select the g power value (being the value of 3-axis acceleration inductor acceleration sensing) of a particular range, produces special effect, for example forces to show the color or the brightness of certain scope, various situations such as following table 2:
Table 2
| Control method and effect | Color or scope |
| When the acceleration induction device past+when directions X moves, light light blue (bright blue) light | X=0.00g～1.00g corresponds to B=200～255 |
| When the acceleration induction device past-when the Z direction moves, light dark red (dark red) light | Z=0.00g～-1.00g corresponds to R=100～200 |
| When average acceleration (V) was low, light promptly had corresponding low-light level | V＜.2g, brightness (brightness)=20% |
| When average acceleration was fast, light promptly had corresponding high brightness | V〉.8g, brightness (brightness)=80% |
| When average acceleration changed, light promptly had the variable-brightness of corresponding acceleration | V=.2g～.8g, brightness (brightness)=20%～80% |
Wherein in order to control the variation of brightness (brightness), the present invention uses eight kinds of computational methods to realize:
Brightness changes one: the average absolute acceleration of accekeration
Average acceleration AA (wherein AA=(| Ax|+|Ay|+|Az|)/3) and the difference of all directions acceleration are come the variation of given luminance value, and the rule of this aberration rate can be defined as follows:
(AAu-AA)/(AA-AAl)＝(Bu-Ba)/(Ba-Bl)
AAu is that its value of the upper limit of AA is 0.8g, and AAl is that its value of lower limit of AA is 0.2g, and Ba is the brightness of whole RGB three looks, and Bu is that its value of the upper limit of Ba is 80%, and Bl is that its value of lower limit of Ba is 20%.
After drawing brightness value, it is set to definite RGB chromatic value, at first set with (197,135,22) this group RGB chromatic value is the standard value that corresponds to brightness value 100%, then to correspond to the computational methods of RGB chromatic value be R/197=Ba/100% to brightness value, G/135=Ba/100%, B/22=Ba/100%, be noted that if the indivedual RGB chromatic values pressure above 255 that calculates is set at 255, so just can obtain a definite and suitable RGB chromatic value from the Ba value.
Brightness changes two: the vectorial acceleration of accekeration
It is similar to and changes one, but is different from the average absolute acceleration, and this method calculates vectorial acceleration VA (VectorAcceleration) by computational mathematics mould side (Mathematic Norm).
Wherein: VA=√ (Ax
2+ Ay
2+ Az
2)
And use the scope of brightness to correspond in the following formula
(VAu-VA)/(VA-VAl)＝(Bu-Ba)/(Ba-Bl)
The upper limit of VAu=vector acceleration
The lower limit of VAl=vector acceleration
Brightness changes three: the difference of the connecting time point of vectorial acceleration
This law uses the vectorial acceleration of two continuous data collection poor (DA) (Differentiation inVector Acceleration) to adjust brightness.
If we take accekeration at two time points,
T1=time point one
T2=time point two
The accekeration of point is in the very first time:
Ax
T1The X-axis accekeration of=very first time point
Ay
T1The Y-axis accekeration of=very first time point
Az
T1The Z axle acceleration value of=very first time point
Accekeration at second time point is:
Ax
T2The X-axis accekeration of=the second time point
Ay
T2The Y-axis accekeration of=the second time point
Az
T2The Z axle acceleration value of=the second time point
The vectorial acceleration of two time points is:
VA
t1＝√((Ax
t1)
2+(Ay
t1)
2+(Az
t1)
2)
VA
t2＝√((Ax
t2)
2+(Ay
t2)
2+(Az
t2)
2)
The vectorial acceleration of two time points is poor:
DA＝VA
t2-VA
t1
The equation of its brightness range correspondence is:
(DAu-DA)/(DA-DAl)＝(Bu-Ba)/(Ba-Bl)
The higher limit of DAu=acceleration difference
The lower limit of DAl=acceleration difference
The difference of the connecting time point of the acceleration that the brightness variation is four: three.
It is similar to and changes three, uses each acceleration difference DAx of three but be different from, and DAy, DAz adjust the brightness of indivedual three look RGB.
The 3-axis acceleration difference of two time points is decided to be:
DAx=Ax
T2-Ax
T1The difference of=X-axis acceleration
DAy=Ay
T2-Ay
T1The difference of=Y-axis acceleration
DAz=Az
T2-Az
T1The difference of=Z axle acceleration
Can adjust brightness at each different color, obtain different color effects.
(DAu-DAx)/(DAx-DAl)＝(Bu-Br)/(Br-Bl)
(DAu-DAy)/(DAy-DAl)＝(Bu-Bg)/(Bg-Bl)
(DAu-DAz)/(DAz-DAl)＝(Bu-Bb)/(Bb-Bl)
The higher limit of DAu=acceleration difference
The lower limit of DAl=acceleration difference
The brightness value of Br=redness
The brightness value of Bg=green
The brightness value of Bb=blueness
The higher limit of Bu=brightness
The lower limit of Bl=brightness
If use to change one method, then brightness value corresponds to the computational methods of RGB chromatic value and is:
R/197＝Br/100％，
G/135＝Bg/100％，
B/22＝Bb/100％。
Brightness changes five: the average speed of velocity amplitude
Calculate velocity amplitude from accekeration, we can suppose that the acceleration in the middle of each time point and time point is constant value (constant), and make zero in very first time spot speed.Promptly can use constant of the motion acceleration equation to calculate velocity amplitude.
Vf＝Vi+At
The final speed of Vf=
The Vi=initial rate
A=acceleration A x, Ay, Az
The t=time
If we have the accekeration of three continuous time points, for example:
T0=0.000 second, Ax=0.00g
T1=0.025 second, Ax=0.01g
T2=0.050 second, Ax=0.52g
T3=0.075 second, Ax=1.13g
Suppose that at t0, velocity amplitude makes zero, g=9.8m/s
2, the X-axis speed Vx of three time points
T1, Vx
T2, Vx
T3Account form is as follows:
Vx
t1＝Vx
t0+((Ax)*(t))
Vx
t1＝0.00+((0.01)(9.8)*(0.025))
Vx
t1＝0.00245m/s
Vx
t2＝Vx
t1+((Ax)*(t))
Vx
t2＝0.00245+((0.52)(9.8)*(0.025))
Vx
t2＝0.12985m/s
Vx
t3＝Vx
t2+((Ax)*(t))
Vx
t3＝0.12985+((1.13)(9.8)*(0.025))
Vx
t3＝0.4067m/s
After obtaining the speed of each, the average absolute speed of desirable its each time point is used as the usefulness of the calculating of brightness value
AV＝(|Vx|+|Vy|+|Vz|)/3
AV=average absolute speed
The equation of its brightness range correspondence is:
(AVu-AV)/(AV-AVl)＝(Bu-Ba)/(Ba-Bl)
The higher limit of AVu=average absolute speed
The lower limit of AVl=average absolute speed
Brightness changes six: the vector speed of velocity amplitude
It is similar to and changes five, but is different from average absolute speed, and this method calculates vector speed VV (Vector Velocity) by computational mathematics mould side (Mathematic Norm).
VV＝√(Vx
2+Vy
2+Vz
2)
The VV=vector speed
The equation of its brightness range correspondence is:
(VVu-VV)/(VV-VVl)＝(Bu-Ba)/(Ba-Bl)
The higher limit of VVu=vector speed
The lower limit of VVl=vector speed
Brightness changes seven: the difference of the connecting time point of each vector speed
This law uses the vector speed of two continuous data collection poor (DV) (Differentiation inVector Velocity) to adjust brightness.
Suppose to there emerged a three velocity amplitude in our calculating of two time points, for example:
At very first time point:
Vx
T1Velocity amplitude=the 0.012m/s of=X-axis
Vy
T1Velocity amplitude=the 0.503m/s of=Y-axis
Vz
T1Velocity amplitude=the 0.111m/s of=Z axle
At second time point:
Vx
T2Velocity amplitude=the 0.020m/s of=X-axis
Vy
T2Velocity amplitude=the 1.150m/s of=Y-axis
Vz
T2Velocity amplitude=the 0.412m/s of=Z axle
The vector speed difference is calculated as:
VV
T1The vector speed of=very first time point
VV
t1＝√((Vx
t1)
2+(Vy
t1)
2+(Vz
t1)
2)
VV
t1＝√((0.012)
2+(0.503)
2+(0.111)
2)
VV
t1＝0.515m/s
VV
T2The vector speed of=the second time point
VV
t2＝√((Vx
t2)
2+(Vy
t2)
2+(Vz
t2)
2)
VV
t2＝√((0.020)
2+(1.150)
2+(0.412)
2)
VV
t2＝1.222m/s
The vector speed difference is:
DV＝VV
t2-VV
t1
DV＝1.222m/s-0.515m/s
DV＝0.707m/s
The equation of its brightness range correspondence is:
(DVu-DV)/(DV-DVl)＝(Bu-Ba)/(Ba-Bl)
The higher limit of DVu=vector speed difference
The lower limit of DVl=vector speed difference
Brightness changes eight: the difference of the connecting time point of each speed of three
It is similar to and changes seven, uses each speed difference DVx of three but be different from, and DVy, DVz adjust the brightness of indivedual three look RGB.
Three speed differences of two time points are decided to be:
DVx=Vx
T2-Vx
T1The difference of=X-axis speed
DVy=Vy
T2-Vy
T1The difference of=Y-axis speed
DVz=Vz
T2-Vz
T1The difference of=Z axle speed
Can adjust brightness at each different color, obtain different color effects.
(DVu-DVx)/(DVx-DVl)＝(Bu-Br)/(Br-Bl)
(DVu-DVy)/(DVy-DVl)＝(Bu-Bg)/(Bg-Bl)
(DVu-DVz)/(DVz-DVl)＝(Bu-Bb)/(Bb-Bl)
The higher limit of DVu=speed difference
The lower limit of DVl=speed difference
The brightness value of Br=redness
The brightness value of Bg=green
The brightness value of Bb=blueness
The higher limit of Bu=brightness
The lower limit of Bl=brightness
If use to change one method, then brightness value corresponds to the computational methods of RGB chromatic value and is:
R/197＝Br/100％，
G/135＝Bg/100％，
B/22＝Bb/100％，
By above-mentioned method, can utilize 3-axis acceleration inductor (3-axisaccelerometer sensor) to control the color and the brightness of any light fixture of controlling by RGB three looks.
Though the present invention is described in detail by above-mentioned preferred embodiment, but the above only makes those skilled in the art can be easier to understand the present invention in order to explanation the present invention, is not to be used for limiting scope of the invention process.So all equalizations of doing according to described shape structural feature of the present patent application claim and spirit change and modify, and all should be contained within claims of the present invention.
Claims (5)
1. a lamp light control method is characterized in that, utilizes the accekeration of the acquisition of 3-axis acceleration inductor X, Y, three change in coordinate axis direction of Z, and described accekeration is corresponded to the RGB color value, thereby light color is changed and be shown as to rgb value.
2. a lamp light control method is characterized in that, utilizes accekeration Ax, Ay, the Az of the acquisition of 3-axis acceleration inductor X, Y, three change in coordinate axis direction of Z, and utilizes accekeration to calculate the speed Vi of three reference axis, and the i replaceable is x, y, z direction; Wherein Vi=Vio+Ait, Vi=all directions terminal velocity, Vio=all directions commencing speed, Ai=all directions acceleration, t=time, and get the variation that following eight kinds of methods are controlled brightness value:
A. the average absolute acceleration A A of accekeration, wherein AA=(| Ax|+|Ay|+|Az|)/3
B. the scale VA of vectorial acceleration, wherein VA=√ (Ax
2+ Ay
2+ Az
2)
C. the connecting time point t1 of vectorial acceleration scale VA, the difference DA of t2, wherein DA=VA
T2-VA
T1, VA=√ (Ax
2+ Ay
2+ Az
2), t1=time point one, t2=time point two
D. three acceleration A x, Ay, the connecting time point t1 of Az, the difference DAx of t2, DAy, DAz, wherein DAx=Ax
T2-Ax
T1, DAy=Ay
T2-Ay
T1, DAz=Az
T2-Az
T1
E. the average speed AV of velocity amplitude, wherein AV=(| Vx|+|Vy|+|Vz|)/3
F. the scale VV of vector speed, wherein VV=√ (Vx
2+ Vy
2+ Vz
2)
G. the connecting time point t1 of the scale VV of vector speed, the difference DV of t2, wherein VV=√ (Vx
2+ Vy
2+ Vz
2), DV=VV
T2-VV
T1, t1=time point one, t2=time point two
H. three speed Vx, Vy, the connecting time point t1 of Vz, the difference DVx of t2, DVy, DVz, wherein DVx=Vx
T2-Vx
T1, DVy=Vy
T2-Vy
T1, DVz=Vz
T2-Vz
T1, t1=time point one, t2=time point two.
3. lamp light control method as claimed in claim 1 wherein, utilizes X, Y, three data of Z to control RGB three looks respectively, i.e. X-axis Data Control R look, Y-axis Data Control G look, Z axis data control B look.
4. lamp light control method as claimed in claim 1, wherein, X, the Y that this 3-axis acceleration inductor is captured, the acceleration data scope of Z axle can correspond between (0,0,0) to (255,255,255) of rgb value by linear quilt.
5. lamp light control method as claimed in claim 2, wherein, brightness value further correspondence becomes R, G, B tristimulus values, its corresponded manner is R/197=Br/100%, G/135=Br/100%, B/22=Br/100% is if the indivedual RGB chromatic values pressure above 255 that calculates is set at 255.
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|---|---|---|---|
| CN2007101482567A CN101384116B (en) | 2007-09-04 | 2007-09-04 | Lamp light control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101482567A CN101384116B (en) | 2007-09-04 | 2007-09-04 | Lamp light control method |
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|---|---|
| CN101384116A true CN101384116A (en) | 2009-03-11 |
| CN101384116B CN101384116B (en) | 2012-07-18 |
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|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103218134A (en) * | 2013-04-02 | 2013-07-24 | 广东欧珀移动通信有限公司 | Method and device for setting date or time of terminal equipment |
| CN103763811A (en) * | 2013-10-25 | 2014-04-30 | 深圳市镭润科技有限公司 | Method, terminal and controller for dynamic light source change control |
| CN114096032A (en) * | 2021-10-14 | 2022-02-25 | 佛山电器照明股份有限公司 | Lamp control method, assembly control method, storage medium, device and system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556746Y (en) * | 2002-06-05 | 2003-06-18 | 朴大源 | Rotary light-emitting diode full color display device |
-
2007
- 2007-09-04 CN CN2007101482567A patent/CN101384116B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103218134A (en) * | 2013-04-02 | 2013-07-24 | 广东欧珀移动通信有限公司 | Method and device for setting date or time of terminal equipment |
| CN103763811A (en) * | 2013-10-25 | 2014-04-30 | 深圳市镭润科技有限公司 | Method, terminal and controller for dynamic light source change control |
| CN103763811B (en) * | 2013-10-25 | 2016-07-06 | 深圳市镭润科技有限公司 | Light source dynamically changes the method for control, terminal and controller |
| CN114096032A (en) * | 2021-10-14 | 2022-02-25 | 佛山电器照明股份有限公司 | Lamp control method, assembly control method, storage medium, device and system |
| CN114096032B (en) * | 2021-10-14 | 2024-01-05 | 佛山电器照明股份有限公司 | Lamp control method, component control method, storage medium, equipment and system |
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| Publication number | Publication date |
|---|---|
| CN101384116B (en) | 2012-07-18 |
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