A Search Method for Minimum Energy Consumption of Lighting Platform Based on Fractional Newton Algorithm

A search method, the first-order Newton technology, applied in the field of extreme value search, can solve the problems of large time consumption, low search efficiency, and inaccurate search accuracy, and achieve the effect of ensuring energy consumption

Active Publication Date: 2020-06-26
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

However, when using the integer-order Newton extremum search algorithm to search for the lowest energy consumption value, the search efficiency is low, it takes a lot of time, and the search accuracy is not accurate enough to find the minimum energy consumption of the system faster and more accurately , realize the optimization and energy saving of the whole lighting system

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  • A Search Method for Minimum Energy Consumption of Lighting Platform Based on Fractional Newton Algorithm
  • A Search Method for Minimum Energy Consumption of Lighting Platform Based on Fractional Newton Algorithm
  • A Search Method for Minimum Energy Consumption of Lighting Platform Based on Fractional Newton Algorithm

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Embodiment

[0042] figure 1 It is a flow chart of the method for searching the fractional Newton extremum based on the lighting platform of the present invention.

[0043] In this example, if figure 1 As shown, the present invention is based on the fractional Newton extremum search method of the lighting platform, comprising the following steps:

[0044] S1. Divide all lamps used for illumination control area lighting into n groups, and the current distribution coefficient of each group of lamps is ω, where ω=[ω 1 ,ω 2 ,ω 3 ,...,ω n ] T ,and The brightness between each group of lamps is controlled mainly by changing the value of the current distribution coefficient ω; a light sensor is installed in the illuminance control area to collect the illuminance of the illuminance control area;

[0045] In this embodiment, the light sensor BH1750FVI is placed in the specified area, and the sensor can pass the collected light in the form of 2 bytes (16 bits) through I 2 The C bus is transm...

example

[0065] 1. First, divide all the lamps used for illumination control area lighting into two groups, conduct ergodic experiments when the illuminance value is 48 lumens, and obtain ergodic illumination curves and energy consumption curves. in, figure 2 is the output light value of the traversal experiment, image 3 Then correspond to the relationship between the current distribution coefficient ω and the energy consumption value E under each lumen, from which the minimum energy consumption value E* and its corresponding control variable distribution ratio ω can be obtained * , so as to provide a judgment basis for the following experimental data.

[0066] 2. After the traversal experiment, we added the fractional-order Newton extremum search algorithm to verify the effectiveness of the fractional-order Newton extremum search algorithm under single-light conditions. See the experimental results Figure 4 and Figure 5 , the corresponding illumination value is 48 lumens, and w...

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Abstract

The invention discloses a method for searching the minimum energy consumption of a lighting platform based on a fractional Newton algorithm. By tracking the set illuminance value in real time, the illuminance value of the target area is stabilized within the range of the set illuminance value, and then searched through the fractional Newton extreme value. The algorithm searches for the relative minimum energy consumption of the system, so that the lamps can achieve and maintain the combined output of the relatively minimum energy consumption value, thereby realizing the optimization and energy saving of the entire lighting system.

Description

technical field [0001] The invention belongs to the technical field of extremum search, and more specifically, relates to a search method for minimum energy consumption of lighting platforms based on fractional Newton algorithm. Background technique [0002] For a semi-open area, such as an ordinary house, not only the illuminance of the light but also the influence of the external light determine the brightness of the indoor light. In general, users want the indoor light to be stable at a "comfortable value", but ordinary lamps cannot adjust their own light intensity according to changes in external light. At this time, two situations will occur. The first is that the external light is weakened. However, the light intensity of the indoor light group is not enhanced, resulting in the overall illuminance not reaching the "comfortable value"; the second is that the external light is enhanced, and the indoor light group cannot reduce the illuminance, which makes users feel dazz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 殷春程玉华胡彬杨薛建宏时晓宇白利兵陈凯
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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