KR102419482B1 - Light dimming control method and device - Google Patents

Abstract

A device according to an embodiment obtains a first brightness, a first frequency, and a first duty cycle corresponding to a first cycle period of lighting to be controlled, obtains a target brightness corresponding to a second cycle period of the lighting, generates a target duty cycle corresponding to the target brightness, generates a second frequency and a second duty cycle corresponding to a first intermediate period from a predefined time point within the first cycle period according to the first frequency to a time point at which the second cycle period starts, based on the first brightness, the first frequency and the target brightness, controls the lighting operated by the first brightness, the first frequency and the first duty cycle in the first cycle period to be operated with the second frequency and the second duty cycle in the first intermediate period, and controls the lighting in the second cycle period to be operated with the first frequency and the target duty cycle. According to the present invention, the lighting can be controlled according to the target brightness.

Description

Light dimming control method and device {LIGHT DIMMING CONTROL METHOD AND DEVICE}

The following embodiments relate to a dimming control method and apparatus of lighting.

With the discovery of fire, a bright environment like daytime was ensured even in the dark night, and lighting equipment was developed to ensure this bright environment more efficiently.

Lighting equipment is still being developed structurally and functionally, and technology for a dimming operation, which is one of the functional technologies, is also being continuously developed.

A dimming operation is to adjust the intensity of light, and the dimming operation is used to make an afterimage of lighting appear smooth.

In addition, the dimming operation is more highlighted in that power consumption can be saved.

Korean Patent No. 10-2286955 Korean Patent No. 10-2231567 Korean Patent Registration No. 10-1201803 Korean Patent No. 10-2094860

Embodiments seek dimming control of lighting.

Embodiments intend to flexibly control light on or off by differently setting the frequency of the intermediate section from a predefined time point to the start point of the second period section within the first section and the first cycle section.

Embodiments intend to set the frequency of the middle section according to the target brightness.

A dimming control method of lighting includes: acquiring a first brightness, a first frequency, and a first duty cycle corresponding to a first period of lighting to be controlled; obtaining a target brightness corresponding to a second period of the illumination, wherein the first period and the second period are periods according to a period corresponding to the first frequency; generating a target duty cycle corresponding to the target brightness; Based on the first brightness, the first frequency, and the target brightness, a first intermediate period from a predefined time point within the first period period according to the first frequency to a time point at which the second period period starts generating a second frequency and a second duty cycle corresponding to Controlling the illumination operated by the first brightness, the first frequency, and the first duty cycle in the first period period, and operating the second frequency and the second duty cycle in the first intermediate period step; and controlling the illumination in the second period section to operate at the first frequency and the target duty cycle.

The generating of the second frequency and the second duty cycle may include: generating the second duty cycle with the same value as the first duty cycle; generating the second frequency with a value smaller than the first frequency when the target brightness is greater than the first brightness; and generating the second frequency with a value greater than the first frequency when the target brightness is less than the first brightness.

The generating of the second frequency and the second duty cycle may include dividing the first period interval into a predefined number; and generating, based on the divided number, the first brightness, the first frequency, and the target brightness, intermediate interval frequencies and intermediate interval duty cycles respectively corresponding to the divided intermediate intervals. and generating the intermediate interval frequencies and the intermediate interval duty cycles includes a first intermediate interval frequency corresponding to a first intermediate interval and a first brightness based on the first brightness, the first frequency, and the target brightness. generating an intermediate interval duty cycle; and a second intermediate interval frequency and a second intermediate interval duty cycle for the lighting to operate at a brightness between a first intermediate brightness and the target brightness according to the first intermediate interval frequency and the first intermediate interval duty cycle. generating two intermediate interval frequencies and the second intermediate interval duty cycle corresponding to a second intermediate interval closer to the second periodic interval than the first intermediate interval.

The dimming control method of lighting includes: based on the difference between the target brightness and the first brightness, generating step period intervals for stepwise reaching the target brightness from the first brightness according to the first frequency; generating step brightnesses and step duty cycles respectively corresponding to the step period sections; Based on the first brightness, the step brightnesses, the first frequency, and the target brightness, the step period middle section frequencies and the step cycle middle respectively corresponding to predefined step cycle intermediate sections within the step cycle sections, respectively. generating duty cycles; controlling the illumination in sections other than the middle sections of the step period within the step period sections, operating at the first frequency and the step duty cycles; and controlling the illumination within the step period intermediate intervals to operate at the step period intermediate interval frequencies and the step period intermediate duty cycles.

The generating of the second frequency and the second duty cycle may include: obtaining performance information of a processor of the device; generating a processable frequency and a processable duty cycle of the processor based on the performance information; and generating the second frequency and the second duty cycle in consideration of the processable frequency and the processable duty cycle.

Embodiments control the light to be flexibly turned on or off by setting the frequency of the intermediate section from a predefined point in time to the start of the second cycle section from a predefined point in the first section and the first cycle section of the lighting to be controlled to be flexibly turned on or off can do.

Embodiments may control according to the target brightness by setting a frequency in the middle section based on a result of comparing the target brightness with the first brightness.

In the embodiments, by dividing the intermediate section into several and setting, it is possible to more naturally control light on or off.

On the other hand, the effects according to the embodiments are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those of ordinary skill in the art from the following description.

1 is a diagram schematically showing the configuration of a system according to an embodiment.
2 is a flowchart illustrating a process of dimming control of lighting according to an embodiment.
3 is a conceptual diagram of a process of controlling dimming of lighting by generating an intermediate section within a first section according to an embodiment.
4 is a flowchart for explaining a process of setting a frequency size of an intermediate section differently according to a target brightness according to an exemplary embodiment.
5 is a conceptual diagram illustrating a process of differently setting a frequency level in an intermediate section according to a target brightness according to an exemplary embodiment.
6 is a flowchart for explaining a process of controlling dimming by dividing an intermediate section into several pieces according to an exemplary embodiment.
7 is a conceptual diagram illustrating a process of dividing and controlling a first period section into several intermediate sections according to an embodiment.
8 is a flowchart illustrating a process of generating step period sections and generating an intermediate section for each step period section according to an embodiment.
9 is a conceptual diagram of a process of controlling dimming of lighting by generating step period sections and an intermediate step period section according to an embodiment.
10 is a flowchart illustrating a process of generating a second frequency according to performance of a processor according to an embodiment.
11 is a flowchart illustrating a process of setting a user permissible range according to an exemplary embodiment.
12 is an exemplary diagram of a configuration of an apparatus according to an embodiment.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, since various changes may be made to the embodiments, the scope of the patent application is not limited or limited by these embodiments. It should be understood that all modifications, equivalents and substitutes for the embodiments are included in the scope of the rights.

Specific structural or functional descriptions of the embodiments are disclosed for purposes of illustration only, and may be changed and implemented in various forms. Accordingly, the embodiments are not limited to the specific disclosure form, and the scope of the present specification includes changes, equivalents, or substitutes included in the technical spirit.

Although terms such as first or second may be used to describe various elements, these terms should be interpreted only for the purpose of distinguishing one element from another. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected to” another component, it may be directly connected or connected to the other component, but it should be understood that another component may exist in between.

The terms used in the examples are used for the purpose of description only, and should not be construed as limiting. The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate that a feature, number, step, operation, component, part, or a combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the embodiment belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

In addition, in the description with reference to the accompanying drawings, the same components are given the same reference numerals regardless of the reference numerals, and the overlapping description thereof will be omitted. In describing the embodiment, if it is determined that a detailed description of a related known technology may unnecessarily obscure the gist of the embodiment, the detailed description thereof will be omitted.

The embodiments may be implemented in various types of products, such as personal computers, laptop computers, tablet computers, smart phones, televisions, smart home appliances, intelligent cars, kiosks, wearable devices, and the like.

1 is a diagram schematically showing the configuration of a system according to an embodiment.

Referring to FIG. 1 , a system according to one embodiment may include a lighting and device 200 .

First, lighting may perform a function of illuminating a specific place by using various light sources, and may be implemented with various types of lighting including LED lighting.

The device 200 may be its own server owned by a person or organization that provides services using the device 200, may be a cloud server, or may be a peer-to-peer (p2p) set of distributed nodes. may be The device 200 may be configured to perform all or part of an arithmetic function, a storage/referencing function, an input/output function, and a control function of a typical computer. The device 200 may be configured to communicate with a plurality of lights by wire or wirelessly.

The device 200 may perform a dimming control method of lighting by controlling a frequency used to turn on or off the lighting.

The apparatus 200 divides the existing cycle to change the frequency for performing dimming control of lighting and may additionally generate several steps, through which the change of light may be realized naturally.

Meanwhile, although only three lights are illustrated in FIG. 1 for convenience of explanation, the number of lights may vary according to embodiments. There is no particular limit to the number of lights, as long as the processing capacity of the device 200 allows.

2 is a flowchart illustrating a process of dimming control of lighting according to an embodiment.

Referring to FIG. 2 , first, in step S201 , the device 200 may obtain a first brightness, a first frequency, and a first duty cycle corresponding to a first section to be controlled.

That is, the device 200 may acquire the first brightness, the first frequency, and the first duty cycle corresponding to the first period through the size of the first period to be controlled.

In step S202 , the device 200 may acquire a target brightness corresponding to the second section of illumination. Here, the first period section and the second period section are sections according to a period corresponding to the first frequency.

In step S203 , the device 200 may generate a target duty cycle corresponding to the target brightness. That is, the device 200 may obtain a target brightness by a user who wants to control lighting, and may generate a target duty cycle corresponding to the target brightness.

In step S204, the device 200, based on the first brightness, the first frequency, and the target brightness, a second period from a predefined time point within the first period period according to the first frequency to the time point at which the second period period starts A second frequency and a second duty cycle corresponding to one intermediate section may be generated.

Specifically, the device 200 may generate a first intermediate period within the first period period based on the first brightness, the first frequency, and the target brightness, and a second frequency and a second frequency corresponding to the first intermediate period and the second period. You can create a duty cycle.

In step S205 , the device 200 controls the lighting operated by the first brightness, the first frequency, and the first duty cycle in the first period period to operate the light with the second frequency and the second duty cycle in the first intermediate period. can

In step S206 , the device 200 may operate with a first frequency and a target duty cycle by controlling the lighting in the second period section.

3 is a conceptual diagram of a process of controlling dimming of lighting by generating an intermediate section within a first section according to an embodiment.

)의 제1 밝기 값(

)를 획득할 수 있고, 제1 주기 구간에 대응하는 제1 주파수(

) 및 제1 듀티 사이클(

)을 획득할 수 있다.Referring to FIG. 3 , the device 200 performs a first cycle period (

) of the first brightness value (

) can be obtained, and the first frequency (

) and the first duty cycle (

) can be obtained.

) 에 대응하는 제2 주기 구간(

)을 통해 목표 밝기 값(

)를 획득할 수 있고, 목표 밝기(

)에 대응하는 목표 듀티 사이클(

)을 생성할 수 있다.In addition, the device 200 transmits a first frequency (

) corresponding to the second period interval (

) through the target brightness value (

) can be obtained, and the target brightness (

) corresponding to the target duty cycle (

) can be created.

), 제1 주파수(

) 및 목표 밝기 값(

)에 기초하여 제1 주기 구간(

)내에 제1 중간 구간(

)을 생성할 수 있고, 제1 중간 구간(

)에 대응하는 제2 주파수(

) 및 제2 듀티 사이클(

)을 생성할 수 있다. The device 200 sets the first brightness value (

), the first frequency (

) and the target brightness value (

) based on the first period interval (

) in the first intermediate section (

) can be created, and the first intermediate interval (

) corresponding to the second frequency (

) and the second duty cycle (

) can be created.

)을 제외한 제1 주기 구간(

)에서 제1 중간 구간(

)을 거쳐 제2 주기 구간(

)을 수행함으로써 빛이 켜지거나 꺼질 때 유연하게 보일 수 있다.The device 200 has a first intermediate section (

) except for the first period section (

) in the first intermediate section (

) through the second cycle period (

) to make it appear flexible when the light is turned on or off.

When the device 200 transitions from the first cycle section to the second cycle section, the device 200 generates a first intermediate section from a predefined point in the first cycle section to the start point of the second cycle section so that the brightness of light is increased at once. It is not a major change, but a natural lighting change can be realized by turning the light on or off through an intermediate step.

4 is a flowchart for explaining a process of setting a frequency size of an intermediate section differently according to a target brightness according to an exemplary embodiment.

Referring to FIG. 4 , first, in step S401 , the device 200 may generate a second duty cycle with the same value as the first duty cycle.

Specifically, the device 200 may acquire the first duty cycle through the first period period, and is a first intermediate period from a predefined point in the first period period to the start time of the second period period. The duty cycle may be set as the second duty cycle, and the second duty cycle may be generated to have the same value as the first duty cycle.

In step S402 , the device 200 may determine whether the target brightness is greater than the first brightness corresponding to the first period section.

If it is determined in step S402 that the target brightness is greater than the first brightness, in step S403 , the device 200 may generate the second frequency with a value smaller than the first frequency.

For example, when the target brightness is greater than the first brightness and the first frequency is 20 kHz, the device 200 may generate the second frequency as 19 kHz.

If it is determined in step S402 that the target brightness is less than the first brightness, in step S404 , the device 200 may generate the second frequency with a value greater than the first frequency.

For example, when the target brightness is less than the first brightness and the first frequency is 20 kHz, the device 200 may generate the second frequency as 21 kHz.

5 is a conceptual diagram illustrating a process of differently setting a frequency level in an intermediate section according to a target brightness according to an exemplary embodiment.

)을 생성할 때, 제1 주기 구간의 제1 듀티 사이클(

)과 동일한 값으로 생성할 수 있다.Referring to FIG. 5 , the device 200 performs a second duty cycle (

), the first duty cycle (

) can be created with the same value as

)가 제1 밝기 값(

)보다 큰 경우, 장치(200)는 제1 중간 구간(

)과 제1 주기 구간(

)의 듀티 사이클 값을 동일하게 생성하고, 제1 주기 구간(

)의 제1 주파수(

)보다 제1 중간 구간(

)의 제2 주파수(

)를 더 작게 설정하여, 제1 중간 구간(

)에서 빛의 밝기 값 제1 주기 구간(

)에서의 빛의 밝기 값보다 크도록 제어할 수 있다.target brightness (

) is the first brightness value (

), the device 200 is the first intermediate interval (

) and the first cycle interval (

) to the same duty cycle value, and in the first period period (

) of the first frequency (

) than the first intermediate interval (

) of the second frequency (

) to be smaller, the first intermediate section (

) in the first period period (

) can be controlled to be greater than the brightness value of the light.

)가 제1 밝기 값(

)보다 작은 경우, 장치(200)는 제1 중간 구간(

)과 제1 주기 구간(

)의 듀티 사이클 값을 동일하게 생성하고, 제1 주기 구간(

)의 제1 주파수(

)보다 제1 중간 구간(

)의 제2 주파수(

)를 더 크게 설정하여, 제1 중간 구간(

)에서 빛의 밝기 값 제1 주기 구간(

)에서의 빛의 밝기 값보다 작도록 제어할 수 있다.target brightness (

) is the first brightness value (

), when the device 200 is less than the first intermediate section (

) and the first cycle interval (

) to the same duty cycle value, and in the first period period (

) of the first frequency (

) than the first intermediate interval (

) of the second frequency (

) to be larger, the first intermediate section (

) in the first period period (

) can be controlled to be smaller than the brightness value of the light.

The device 200 divides the light into several sections and performs dimming control of the lighting, thereby turning on or off the light naturally.

6 is a flowchart for explaining a process of controlling dimming by dividing an intermediate section into several pieces according to an exemplary embodiment.

Referring to FIG. 6 , first, in step S601 , the device 200 may divide a first cycle period into a predefined number.

That is, the device 200 may divide the first cycle period into a predefined number to turn the light on or off more flexibly.

In step S602 , the device 200 generates, based on the divided number, the first brightness, the first frequency, and the target brightness, intermediate interval frequencies and intermediate interval duty cycles respectively corresponding to the divided intermediate intervals. can

That is, the apparatus 200 may divide the first period section to generate the divided sections as intermediate sections, and generate respective intermediate section frequencies and intermediate section duty cycles corresponding to the intermediate sections.

The specific step of generating the intermediate interval frequencies and the intermediate interval duty cycles is in step S603 , wherein the apparatus 200 performs a first intermediate interval frequency corresponding to the first intermediate interval and A first intermediate interval duty cycle may be generated.

In step S604 , the device 200 configures a second intermediate interval frequency and a second intermediate interval duty for the lighting to operate with a brightness between the first intermediate brightness and the target brightness according to the first intermediate interval frequency and the first intermediate interval duty cycle. cycle can be created. Here, the second intermediate interval frequency and the second intermediate interval duty cycle are frequencies and duty cycles corresponding to a second intermediate interval that is closer to the second periodic interval than the first intermediate interval.

That is, when the first intermediate period and the second intermediate period are included in the first period period, the apparatus 200 may operate in the order of the first intermediate period, the second intermediate period, and the second period period.

7 is a conceptual diagram illustrating a process of dividing and controlling a first period section into several intermediate sections according to an embodiment.

)을 여러 개로 분할하여 구간(

)을 제1 중간 구간(

), 제2 중간 구간(

), 제3 중간 구간(

) 및 제4 중간 구간(

) 등의 구간을 생성할 수 있다. 일 실시 예에서 구간을 4개로 분할하였지만, 분할 수는 실시 예에 따라 달라질 수 있다. Referring to FIG. 7 , the device 200 includes a first cycle period (

) by dividing the interval (

) to the first intermediate interval (

), the second intermediate section (

), the third intermediate section (

) and the fourth intermediate section (

) can be created. In an embodiment, the section is divided into four, but the number of divisions may vary depending on the embodiment.

)가 제1 밝기 값(

)보다 크고, 구간이 4개로 분할된 경우, 장치(200)는 듀티 사이클을 모두 동일한 값으로 생성하고, 제1 중간 구간 주파수(

), 제2 중간 구간(

), 제3 중간 구간(

) 및 제4 중간 구간(

) 순서대로 주파수 크기를 작게 설정함으로써 빛의 밝기 값이 커지도록 제어할 수 있다.target brightness (

) is the first brightness value (

), and when the interval is divided into 4, the device 200 generates the duty cycle to all the same values, and the first intermediate interval frequency (

), the second intermediate section (

), the third intermediate section (

) and the fourth intermediate section (

), you can control to increase the brightness value of the light by setting the frequency size to be small in order.

8 is a flowchart illustrating a process of generating step period sections and generating an intermediate section for each step period section according to an embodiment.

Referring to FIG. 8 , first, in step S801 , based on the difference between the target brightness and the first brightness, the device 200 performs step period sections for stepwise reaching the target brightness from the first brightness according to the first frequency. can create

In step S802 , the device 200 may generate step brightnesses and step duty cycles respectively corresponding to step period sections.

In step S803 , the device 200 determines, based on the first brightness, the step brightnesses, the first frequency, and the target brightness, the step period intermediate interval frequencies respectively corresponding to the predefined step period intermediate intervals within the step period intervals. and step period intermediate duty cycles.

That is, the apparatus 200 may generate step period intermediate intervals in the generated step periods, respectively, and may generate step period intermediate interval frequencies and step period intermediate duty cycles corresponding to each of the step period intermediate intervals. have.

In step S804 , the device 200 may operate at the first frequency and step duty cycles by controlling the lighting in the remaining sections except for the step cycle middle sections within the step cycle sections.

In step S805 , the device 200 may control the lighting in the step period middle sections to operate at the step period middle section frequencies and the step cycle middle duty cycles.

9 is a conceptual diagram of a process of controlling dimming of lighting by generating step period sections and an intermediate step period section according to an embodiment.

) 및 제2 주기 구간(

) 사이에 2단계의 주기 구간을 추가로 생성하였지만, 실시 예에 따라 단계 주기 구간의 수는 달라질 수 있다.Referring to FIG. 9 , the device 200 may generate step period sections based on the difference between the target brightness and the first brightness. In one embodiment, the existing first period section (

) and the second period interval (

), a period period of two stages is additionally created, but the number of period periods of the stage may vary according to an embodiment.

Also, the device 200 generates a first intermediate interval within the first periodic interval, generates a first phase periodic intermediate interval within the generated first phase periodic interval, and generates a second phase period within the generated second phase periodic interval. By creating an intermediate section, a frequency corresponding to each section can be set.

According to an embodiment, the apparatus 200 may control light through seven steps by generating two step period sections and three step cycle intermediate sections in the existing method of controlling light through two steps. By controlling the dimming of light through several steps, light changes can be realized naturally.

10 is a flowchart illustrating a process of generating a second frequency according to performance of a processor according to an embodiment.

Referring to FIG. 10 , first, in step S1001 , the device 200 may obtain performance information of the processor 210 .

That is, the device 200 may obtain performance information of the processor 210 included in the device 200 .

In step S1002 , the device 200 may generate a processable frequency and a processable duty cycle of the processor 210 based on the performance information.

In step S1003 , the device 200 may generate a second frequency and a second duty cycle in consideration of the processable frequency and the processable duty cycle.

11 is a flowchart illustrating a process of setting a user permissible range according to an exemplary embodiment.

Referring to FIG. 11 , first, in step S1101 , the device 200 may obtain the second frequency setting details of the first frequency user through the first period section information. Here, the first period section information may include the second frequency setting details of the user who performed the dimming control using the first frequency corresponding to the first period section.

In step S1102 , the device 200 may calculate an average set value of the second frequency by checking the second frequency set value for each user who has performed dimming control using the first frequency.

For example, when the first user, the second user, and the third user who have performed light-on using the first frequency of 20 kHz are registered as users in the first period information, the device 200 is The first user's second frequency setting value, the second user's second frequency setting value, and the third user's second frequency setting value may be checked, respectively.

In addition, when the second frequency value set by the first user is 19 kHz, the second frequency value set by the second user is 18.5 kHz, and the second frequency value set by the third user is 19.5 kHz, the device 200 is An average set value of the second frequency may be calculated at 19 kHz.

In step S1103 , the device 200 may set a reference value according to the magnitude of the average set value of the second frequency.

For example, when the average set value of the second frequency is 19 kHz, the device 200 may set the reference value to 0.9 kHz, and when the average set value of the second frequency is 38 kHz, the device 200 may set the reference value to 2 kHz seconds. The criterion for setting the reference value may be set differently depending on the embodiment.

In operation S1104 , the device 200 may calculate the minimum frequency of the user permissible range as a value obtained by subtracting the reference value from the average set value of the second frequency.

For example, when the average set value of the second frequency is 19 kHz and the reference value is 0.9 kHz, the device 200 may calculate the minimum frequency of the user permissible range of 18.1 kHz.

In operation S1105 , the device 200 may calculate the maximum frequency of the user permissible range as a value obtained by adding a reference value to the average set value of the second frequency.

For example, when the average setting value of the second frequency is 19 kHz and the reference value is 0.9 kHz, the device 200 may calculate the maximum frequency of the user permissible range of 19.9 kHz.

In operation S1106 , the device 200 may set the user tolerance range based on the minimum frequency of the user tolerance range and the maximum frequency of the user tolerance range.

For example, when the average setting value of the second frequency is 19 kHz, the device 200 may set the user permissible range to a range of 18.1 kHz to 19.9 kHz.

12 is an exemplary diagram of a configuration of an apparatus according to an embodiment.

The device 200 according to an embodiment includes a processor 210 and a memory 220 . The processor 210 may include at least one of the devices described above with reference to FIGS. 1 to 11 , or perform at least one method described above with reference to FIGS. 1 to 11 . A person or organization using the apparatus 200 may provide a service related to some or all of the methods described above with reference to FIGS. 1 to 11 .

The memory 220 may store information related to the above-described methods or a program for implementing the above-described methods. The memory 220 may be a volatile memory or a non-volatile memory.

The processor 210 may execute a program and control the device 200 . The code of the program executed by the processor 210 may be stored in the memory 220 . The device 200 may be connected to an external device (eg, a personal computer or a network) through an input/output device (not shown), and may exchange data through wired/wireless communication.

The embodiments described above may be implemented by a hardware component, a software component, and/or a combination of a hardware component and a software component. For example, the apparatus, methods, and components described in the embodiments may include, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable gate (FPGA) array), a programmable logic unit (PLU), a microprocessor, or any other device capable of executing and responding to instructions, may be implemented using one or more general purpose or special purpose computers. The processing device may execute an operating system (OS) and one or more software applications running on the operating system. A processing device may also access, store, manipulate, process, and generate data in response to execution of the software. For convenience of understanding, although one processing device is sometimes described as being used, one of ordinary skill in the art will recognize that the processing device includes a plurality of processing elements and/or a plurality of types of processing elements. It can be seen that can include For example, the processing device may include a plurality of processors or one processor and one controller. Other processing configurations are also possible, such as parallel processors.

The method according to the embodiment may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be specially designed and configured for the embodiment, or may be known and available to those skilled in the art of computer software. Examples of the computer-readable recording medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic such as floppy disks. - includes magneto-optical media, and hardware devices specially configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

Software may comprise a computer program, code, instructions, or a combination of one or more thereof, which configures a processing device to operate as desired or is independently or collectively processed You can command the device. The software and/or data may be any kind of machine, component, physical device, virtual equipment, computer storage medium or apparatus, to be interpreted by or to provide instructions or data to the processing device. , or may be permanently or temporarily embody in a transmitted signal wave. The software may be distributed over networked computer systems and stored or executed in a distributed manner. Software and data may be stored in one or more computer-readable recording media.

As described above, although the embodiments have been described with reference to the limited drawings, those skilled in the art may apply various technical modifications and variations based on the above. For example, the described techniques are performed in an order different from the described method, and/or the described components of the system, structure, apparatus, circuit, etc. are combined or combined in a different form than the described method, or other components Or substituted or substituted by equivalents may achieve an appropriate result.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (3)

A method performed by an apparatus comprising:
obtaining a first brightness, a first frequency, and a first duty cycle corresponding to a first period of illumination to be controlled;
obtaining a target brightness corresponding to a second period of the illumination, wherein the first period and the second period are periods according to a period corresponding to the first frequency;
generating a target duty cycle corresponding to the target brightness;
Based on the first brightness, the first frequency, and the target brightness, a first intermediate period from a predefined time point within the first period period according to the first frequency to a time point at which the second period period starts generating a second frequency and a second duty cycle corresponding to
Controlling the illumination operated by the first brightness, the first frequency, and the first duty cycle in the first period period, and operating the second frequency and the second duty cycle in the first intermediate period step; and
Controlling the illumination in the second period section to operate with the first frequency and the target duty cycle,
The generating of the second frequency and the second duty cycle comprises:
generating the second duty cycle with the same value as the first duty cycle;
generating the second frequency with a value smaller than the first frequency when the target brightness is greater than the first brightness; and
generating the second frequency with a value greater than the first frequency when the target brightness is less than the first brightness;
The generating of the second frequency and the second duty cycle comprises:
dividing the first period interval into a predefined number; and
Based on the divided number, the first brightness, the first frequency, and the target brightness, generating intermediate interval frequencies and intermediate interval duty cycles corresponding to the divided intermediate intervals, respectively, comprising: ,
How to control dimming of lights. delete According to claim 1,
generating the intermediate interval frequencies and the intermediate interval duty cycles comprises:
generating a first intermediate interval frequency and a first intermediate interval duty cycle corresponding to a first intermediate interval based on the first brightness, the first frequency, and the target brightness; and
a second intermediate interval frequency and a second intermediate interval duty cycle for operating the lighting at a brightness between a first intermediate brightness and the target brightness according to the first intermediate interval frequency and the first intermediate interval duty cycle - the second generating an intermediate interval frequency and the second intermediate interval duty cycle corresponding to a second intermediate interval closer to the second periodic interval than the first intermediate interval;
How to control dimming of lights.

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