CN111867207A - A kind of park intelligent lighting delay automatic adjustment method and device - Google Patents

A kind of park intelligent lighting delay automatic adjustment method and device Download PDF

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CN111867207A
CN111867207A CN202010567417.1A CN202010567417A CN111867207A CN 111867207 A CN111867207 A CN 111867207A CN 202010567417 A CN202010567417 A CN 202010567417A CN 111867207 A CN111867207 A CN 111867207A
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lighting
pedestrian
range
lighting equipment
equipment
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CN111867207B (en
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杨志东
陈广久
康晓婧
盛萌
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State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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Abstract

本发明公开了一种园区智能照明延时自动调节方法及装置，包括以下步骤：1)统计进入照明范围的人流数据；2)根据历史人流数据预测下一时间段内进入照明范围的人流量；3)根据预测得到的下一时间内进入照明范围的人流量生成行人数据；4)根据步骤3)得到的行人数据计算下一时间段内照明设备的最优延时时间，然后根据计算得到的最优延时时间在下一时间段内对照明设备进行控制，完成园区智能照明延时自动调节，该方法及装置有效解决照明时长与开关次数之间的均衡问题，在延长照明设备寿命的同时减小能源消耗。

Figure 202010567417

The invention discloses a method and a device for automatically adjusting the time delay of intelligent lighting in a park, comprising the following steps: 1) counting the flow data of people entering the lighting range; 2) predicting the flow of people entering the lighting range in the next time period according to the historical flow data; 3) Generate pedestrian data according to the predicted flow of people entering the lighting range in the next time; 4) Calculate the optimal delay time of the lighting equipment in the next time period according to the pedestrian data obtained in step 3), and then calculate the optimal delay time according to the calculated The optimal delay time controls the lighting equipment in the next time period, and completes the automatic adjustment of the intelligent lighting delay in the park. The method and device effectively solve the problem of balance between the lighting duration and the number of switches, and extend the life of the lighting equipment while reducing the time. Small energy consumption.

Figure 202010567417

Description

一种园区智能照明延时自动调节方法及装置A kind of park intelligent lighting delay automatic adjustment method and device

技术领域technical field

本发明属于照明节能技术领域，涉及一种园区智能照明延时自动调节方法及装置。The invention belongs to the technical field of lighting energy saving, and relates to a method and a device for automatically adjusting the delay time of intelligent lighting in a park.

背景技术Background technique

园区内智能灯遵循的原理是“人来即开，人走灯灭”。行人到达感应灯范围，灯亮；行人离开感应范围，灯灭；在此过程中，灯频繁的开关，会影响灯的寿命；灯一直开放，会存在能耗的问题。人流量密集不同，对应的开关频次也会发生变化，相对而言，灯光延迟时间长，可以减少灯光开闭次数，延长灯泡寿命，但电能消耗大；反之，延迟时间短，减少电能消耗却缩短灯泡寿命。目前，智能灯的延迟时间一般设置为固定值或者人为调节，而对于不同密度的人流量来说，固定延迟时间会造成一定的资源浪费。The principle of smart lights in the park is "turn on when people come, and turn off the lights when people leave". When pedestrians reach the sensing range, the lights are on; when pedestrians leave the sensing range, the lights are off; during this process, frequent switching of the lights will affect the life of the lights; if the lights are always on, there will be energy consumption problems. Depending on the density of people, the corresponding switching frequency will also change. Relatively speaking, the long delay time of the lights can reduce the number of lights on and off and prolong the life of the bulb, but the power consumption is large; on the contrary, the delay time is short, reducing the power consumption but shortening bulb life. At present, the delay time of smart lights is generally set to a fixed value or artificially adjusted, and for different densities of human traffic, the fixed delay time will cause a certain waste of resources.

发明内容SUMMARY OF THE INVENTION

本发明的目的在于克服上述现有技术的缺点，提供了一种园区智能照明延时自动调节方法及装置，该方法及装置有效解决照明时长与开关次数之间的均衡问题，在延长照明设备寿命的同时减小能源消耗。The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art, and to provide a method and device for automatically adjusting the delay time of intelligent lighting in the park. while reducing energy consumption.

为达到上述目的，本发明所述的园区智能照明延时自动调节方法包括以下步骤：In order to achieve the above purpose, the method for automatically adjusting the time delay of intelligent lighting in the park according to the present invention includes the following steps:

1)统计进入照明范围的人流数据；1) Count the flow data of people entering the lighting range;

2)根据历史人流数据预测下一时间段内进入照明范围的人流量；2) Predict the flow of people entering the lighting range in the next time period according to the historical flow data;

3)根据预测得到的下一时间内进入照明范围的人流量生成行人数据；3) Generate pedestrian data according to the predicted flow of people entering the lighting range in the next time;

4)根据步骤3)得到的行人数据计算下一时间段内照明设备的最优延时时间，然后根据计算得到的最优延时时间在下一时间段内对照明设备进行控制，完成园区智能照明延时自动调节。4) Calculate the optimal delay time of the lighting equipment in the next time period according to the pedestrian data obtained in step 3), and then control the lighting equipment in the next time period according to the calculated optimal delay time to complete the intelligent lighting of the park Delay automatic adjustment.

步骤2)中采用时间序列模型根据历史人流数据预测下一时间段内进入照明范围的人流量。In step 2), a time series model is used to predict the flow of people entering the lighting range in the next time period according to the historical data of people flow.

行人Pi离开灯照范围时与行人Pi+1有两种相对位置，即当行人Pi+1进入灯照范围时照明设备开启时，则对应的照明设备开关次数不发生变化；当行人Pi+1进入灯照范围时照明设备关闭，则对应的照明设备开关次数加 1；When the pedestrian P i leaves the lighting range, there are two relative positions to the pedestrian P i+ 1 , that is, when the pedestrian P i+1 enters the lighting range when the lighting device is turned on, the corresponding lighting device switching times does not change; When P i+1 enters the lighting range, the lighting equipment is turned off, and the corresponding lighting equipment switching times are increased by 1;

设Ll为照明设备的感应范围，td为照明设备的延迟时间，

Figure RE-GDA0002694571780000021
为行人Pi到达时刻，tT为前者离开灯照范围后照明设备关闭的时刻，Nswitch为照明设备的总开关次数，Tlight为照明设备开启的总时长；Let L l be the sensing range of the lighting device, t d be the delay time of the lighting device,
Figure RE-GDA0002694571780000021
is the arrival time of the pedestrian P i , t T is the time when the lighting device is turned off after the former leaves the lighting range, N switch is the total switching times of the lighting device, and T light is the total duration of the lighting device being turned on;

当行人Pi+1在照明设备关闭后才到达灯照范围，即

Figure RE-GDA0002694571780000022
则Nswitch加1，Tlight＝(Ll/vi)+td，更新tT；当行人Pi+1在照明设备关闭前到达灯照范围，即
Figure RE-GDA0002694571780000023
时，Nswitch不变，
Figure RE-GDA0002694571780000024
更新tT；当行人Pi+1反超行人Pi在照明设备关闭之前离开灯照范围，即
Figure RE-GDA0002694571780000025
Figure RE-GDA0002694571780000026
则Nswitch和Tlight保持不变，同时tT保持不变。When the pedestrian P i+1 reaches the lighting range after the lighting equipment is turned off, that is
Figure RE-GDA0002694571780000022
Then add 1 to N switch , T light =(L l /v i )+t d , update t T ; when the pedestrian P i+1 reaches the lighting range before the lighting equipment is turned off, that is
Figure RE-GDA0002694571780000023
, N switch remains unchanged,
Figure RE-GDA0002694571780000024
Update t T ; when the pedestrian P i+1 overtakes the pedestrian P i and leaves the lighting range before the lighting equipment is turned off, that is
Figure RE-GDA0002694571780000025
Figure RE-GDA0002694571780000026
Then N switch and T light remain unchanged, while t T remains unchanged.

设照明设备开启一次，照明设备的寿命减少h小时，照明设备的总开关次数为M次，每度的电费为S1，照明设备的灯泡价格为S2，照明设备的功率为P，更换灯泡的人工费为a元，构建目标函数为：Assuming that the lighting equipment is turned on once, the life of the lighting equipment is reduced by h hours, the total switching times of the lighting equipment is M times, the electricity cost per kilowatt hour is S 1 , the light bulb price of the lighting equipment is S 2 , the power of the lighting equipment is P, and the bulb is replaced. The labor cost is a yuan, and the construction objective function is:

Figure RE-GDA0002694571780000027
Figure RE-GDA0002694571780000027

利用混沌粒子群优化算法计算照明设备的最优延时时间。The optimal delay time of lighting equipment is calculated by using chaotic particle swarm optimization algorithm.

一种园区智能照明延时自动调节装置包括：A park intelligent lighting delay automatic adjustment device includes:

人体感应设备，用于统计进入照明范围的人流数据；Human body sensing equipment, used to count the flow data of people entering the lighting range;

第一预测模块，与人体感应设备相连接，用于根据历史人流数据预测下一时间段内进入照明范围的人流量；The first prediction module is connected with the human body sensing device, and is used for predicting the flow of people entering the lighting range in the next time period according to the historical data of people flow;

第二预测模块，与第一预测模块相连接，用于根据预测得到的下一时间内进入照明范围的人流量生成行人数据；The second prediction module is connected with the first prediction module, and is used for generating pedestrian data according to the predicted flow of people entering the lighting range in the next time;

灯控模块，与第二预测模块相连接，用于根据行人数据计算下一时间段内照明设备的最优延时时间，然后根据计算得到的最优延时时间在下一时间段内对照明设备进行控制，完成园区智能照明延时自动调节。The light control module is connected with the second prediction module, and is used to calculate the optimal delay time of the lighting equipment in the next time period according to the pedestrian data, and then according to the calculated optimal delay time, the lighting equipment is adjusted in the next time period. Control and complete the automatic adjustment of the intelligent lighting delay in the park.

本发明具有以下有益效果：The present invention has the following beneficial effects:

本发明所述的园区智能照明延时自动调节方法及装置在具体操作时，先预测下一时间段内进入照明范围的人流量，再根据预测结果获取下一时间内进入照明范围的人流量生成行人数据，并以此计算下一时间段内照明设备的最优延时时间，然后根据计算得到的最优延时时间在下一时间段内对照明设备进行控制，达到开关次数与照明时间的平衡状态，节约能源的同时增加灯泡寿命，本发明能够避免不同人流密度下，灯照明延时时间固定而造成的资源浪费，节源的同时也能增加智能灯的使用寿命，降低成本。In the specific operation of the method and device for automatic adjustment of the intelligent lighting delay in the park according to the present invention, the flow of people entering the lighting range in the next time period is first predicted, and then the flow of people entering the lighting range in the next time period is obtained according to the prediction result. The pedestrian data is used to calculate the optimal delay time of the lighting equipment in the next time period, and then the lighting equipment is controlled in the next time period according to the calculated optimal delay time to achieve a balance between the number of switches and the lighting time. The invention can avoid the waste of resources caused by the fixed delay time of lamp lighting under different crowd density, save energy and increase the service life of smart lamps and reduce costs.

附图说明Description of drawings

图1为本发明的流程图；Fig. 1 is the flow chart of the present invention;

图2为本发明中混沌粒子群优化算法的框架图；Fig. 2 is the frame diagram of chaotic particle swarm optimization algorithm in the present invention;

图3为不同人流密度和生成的最优延迟时间的对应关系图。Figure 3 is a graph showing the corresponding relationship between different traffic densities and the generated optimal delay times.

具体实施方式Detailed ways

下面结合附图对本发明做进一步详细描述：Below in conjunction with accompanying drawing, the present invention is described in further detail:

参考图1，本发明所述的园区智能照明延时自动调节方法包括以下步骤：Referring to FIG. 1, the method for automatically adjusting the time delay of intelligent lighting in the park according to the present invention includes the following steps:

1)统计进入照明范围的人流数据；1) Count the flow data of people entering the lighting range;

2)根据历史人流数据预测下一时间段内进入照明范围的人流量；2) Predict the flow of people entering the lighting range in the next time period according to the historical flow data;

3)根据预测得到的下一时间内进入照明范围的人流量生成行人数据；3) Generate pedestrian data according to the predicted flow of people entering the lighting range in the next time;

4)根据步骤3)得到的行人数据计算下一时间段内照明设备的最优延时时间，然后根据计算得到的最优延时时间在下一时间段内对照明设备进行控制，完成园区智能照明延时自动调节。4) Calculate the optimal delay time of the lighting equipment in the next time period according to the pedestrian data obtained in step 3), and then control the lighting equipment in the next time period according to the calculated optimal delay time to complete the intelligent lighting of the park Delay automatic adjustment.

步骤2)中采用时间序列模型根据历史人流数据预测下一时间段内进入照明范围的人流量，具体的预测过程为：In step 2), a time series model is used to predict the flow of people entering the lighting range in the next time period according to the historical flow data. The specific prediction process is as follows:

根据历史人流数据判别时间序列是否平稳，检验时间序列的方差、趋势及变化规律，当当前时间序列平稳，则通过当前时间序列对应的时间序列函数预测下一时间段内进入照明范围的人流量；当当前时间序列非平稳，则对当前时间序列进行差分处理，并分别获取自相关函数值以及偏自相关函数值，直至自相关函数值及偏自相关函数值均在零上下波动为止，然后对处理后的时间序列进行非白噪声检验，再利用ARIMA模型对其建模，最后利用时间序列模型进行预测，由于人流量会随时间变化，人流趋势也会发生改变，每隔一段时间就需要对时间序列模型进行更新。Determine whether the time series is stable or not according to the historical human flow data, and test the variance, trend and change law of the time series. When the current time series is stable, the time series function corresponding to the current time series is used to predict the flow of people entering the lighting range in the next time period; When the current time series is non-stationary, the difference processing is performed on the current time series, and the autocorrelation function value and the partial autocorrelation function value are obtained respectively until the autocorrelation function value and the partial autocorrelation function value fluctuate around zero, and then the The processed time series is tested for non-white noise, then the ARIMA model is used to model it, and finally the time series model is used to predict. The time series model is updated.

步骤3)的具体操作为：The specific operation of step 3) is:

行人数据整体服从正态分布，在此基础上，到达时间局部服从泊松分布，对于每个行人来说都是独立的个体，相互之间不产生影响，并且每个行人到达有相同的概率，行人速度服从正态分布。The pedestrian data as a whole obeys the normal distribution. On this basis, the arrival time locally obeys the Poisson distribution. Each pedestrian is an independent individual and does not affect each other, and each pedestrian has the same probability of arrival. Pedestrian speeds follow a normal distribution.

步骤4)中计算最优延迟时间的具体过程为：The specific process of calculating the optimal delay time in step 4) is:

行人Pi离开灯照范围时与行人Pi+1有两种相对位置，即当行人Pi+1进入灯照范围时照明设备开启时，则对应的照明设备开关次数不发生变化；当行人Pi+1进入灯照范围时照明设备关闭，则对应的照明设备开关次数加 1；When the pedestrian P i leaves the lighting range, there are two relative positions to the pedestrian P i+ 1 , that is, when the pedestrian P i+1 enters the lighting range when the lighting device is turned on, the corresponding lighting device switching times does not change; When P i+1 enters the lighting range, the lighting equipment is turned off, and the corresponding lighting equipment switching times are increased by 1;

设Ll为照明设备的感应范围，td为照明设备的延迟时间，

Figure RE-GDA0002694571780000051
为行人Pi到达时刻，tT为前者离开灯照范围后照明设备关闭的时刻，Nswitch为照明设备的总开关次数，Tlight为照明设备开启的总时长；Let L l be the sensing range of the lighting device, t d be the delay time of the lighting device,
Figure RE-GDA0002694571780000051
is the arrival time of the pedestrian P i , t T is the time when the lighting device is turned off after the former leaves the lighting range, N switch is the total switching times of the lighting device, and T light is the total duration of the lighting device being turned on;

当行人Pi+1在照明设备关闭后才到达灯照范围，即

Figure RE-GDA0002694571780000052
则Nswitch加1，Tlight＝(Ll/vi)+td，更新tT；当行人Pi+1在照明设备关闭前到达灯照范围，即
Figure RE-GDA0002694571780000053
时，Nswitch不变，
Figure RE-GDA0002694571780000054
更新tT；当行人Pi+1反超行人Pi在照明设备关闭之前离开灯照范围，即
Figure RE-GDA0002694571780000055
Figure RE-GDA0002694571780000056
则Nswitch和Tlight保持不变，同时tT保持不变。When the pedestrian P i+1 reaches the lighting range after the lighting equipment is turned off, that is
Figure RE-GDA0002694571780000052
Then add 1 to N switch , T light =(L l /v i )+t d , update t T ; when the pedestrian P i+1 reaches the lighting range before the lighting equipment is turned off, that is
Figure RE-GDA0002694571780000053
, N switch remains unchanged,
Figure RE-GDA0002694571780000054
Update t T ; when the pedestrian P i+1 overtakes the pedestrian P i and leaves the lighting range before the lighting equipment is turned off, that is
Figure RE-GDA0002694571780000055
Figure RE-GDA0002694571780000056
Then N switch and T light remain unchanged, while t T remains unchanged.

设照明设备开启一次，照明设备的寿命减少h小时，照明设备的总开关次数为M次，每度的电费为S1，照明设备的灯泡价格为S2，照明设备的功率为P，更换灯泡的人工费为a元，构建目标函数为：Assuming that the lighting equipment is turned on once, the life of the lighting equipment is reduced by h hours, the total switching times of the lighting equipment is M times, the electricity cost per kilowatt hour is S 1 , the light bulb price of the lighting equipment is S 2 , the power of the lighting equipment is P, and the bulb is replaced. The labor cost is a yuan, and the construction objective function is:

Figure RE-GDA0002694571780000057
Figure RE-GDA0002694571780000057

利用混沌粒子群优化算法计算照明设备的最优延时时间，具体过程为：将智能照明灯延迟时间td所在的解空间映射到算法空间，在算法空间中随机生成一组分布均匀的初始解，该初始解即粒子的一组延迟时间 td，根据智能照明模型中的成本函数让个体在算法空间搜索获得多个候选解，按照规则更新粒子并混沌优化最优位置，重复该过程直至收敛，最后还原解空间得到延迟时间td，算法框架如图2所示。Using the chaotic particle swarm optimization algorithm to calculate the optimal delay time of the lighting equipment, the specific process is as follows: map the solution space where the delay time t d of the intelligent lighting lamp is located to the algorithm space, and randomly generate a set of uniformly distributed initial solutions in the algorithm space , the initial solution is a set of delay time t d of the particle, according to the cost function in the intelligent lighting model, let the individual search for multiple candidate solutions in the algorithm space, update the particle according to the rules and optimize the optimal position chaotically, repeat the process until convergence , and finally restore the solution space to obtain the delay time t d , and the algorithm framework is shown in Figure 2.

对于不同光源，其开关对灯泡寿命的损耗也不尽相同，图3为光源以节能灯为例，不同规格灯泡下，不同人流密度通过优化算法生成的对应的最优延迟时间。For different light sources, the switch on the bulb life loss is not the same, Figure 3 shows the light source taking energy-saving lamps as an example, under different specifications of light bulbs, the corresponding optimal delay time generated by the optimization algorithm for different traffic densities.

本发明所述的园区智能照明延时自动调节装置包括：The park intelligent lighting delay automatic adjustment device according to the present invention includes:

人体感应设备，用于统计进入照明范围的人流数据；Human body sensing equipment, used to count the flow data of people entering the lighting range;

第一预测模块，与人体感应设备相连接，用于根据历史人流数据预测下一时间段内进入照明范围的人流量；The first prediction module is connected with the human body sensing device, and is used for predicting the flow of people entering the lighting range in the next time period according to the historical data of people flow;

第二预测模块，与第一预测模块相连接，用于根据预测得到的下一时间内进入照明范围的人流量生成行人数据；The second prediction module is connected with the first prediction module, and is used for generating pedestrian data according to the predicted flow of people entering the lighting range in the next time;

灯控模块，与第二预测模块相连接，用于根据行人数据计算下一时间段内照明设备的最优延时时间，然后根据计算得到的最优延时时间在下一时间段内对照明设备进行控制，完成园区智能照明延时自动调节。The light control module is connected with the second prediction module, and is used to calculate the optimal delay time of the lighting equipment in the next time period according to the pedestrian data, and then according to the calculated optimal delay time, the lighting equipment is adjusted in the next time period. Control and complete the automatic adjustment of the intelligent lighting delay in the park.

本发明能够针对园区不同类型的道路，即线型道路、T字型道路和十字交叉型道路，根据人流量预测下一时间段内人流量，再通过优化算法求得最优延时时间，达到开关次数与照明时间的平衡状态，保证节约能源的同时也增加灯泡寿命，本发明能够避免不同人流密度下，灯照明延时时间固定而造成的资源浪费，节源的同时也能增加智能灯的使用寿命，降低成本。The invention can predict the flow of people in the next time period according to the flow of people for different types of roads in the park, namely linear roads, T-shaped roads and cross-shaped roads, and then obtain the optimal delay time through an optimization algorithm to achieve The balance between the switching times and the lighting time ensures energy saving and increases the life of the bulb. The present invention can avoid the waste of resources caused by the fixed lighting delay time under different crowd densities. service life and lower costs.

Claims (6)

1.一种园区智能照明延时自动调节方法，其特征在于，包括以下步骤：1. a kind of intelligent lighting time delay automatic adjustment method of park is characterized in that, comprises the following steps: 1)统计进入照明范围的人流数据；1) Count the flow data of people entering the lighting range; 2)根据历史人流数据预测下一时间段内进入照明范围的人流量；2) Predict the flow of people entering the lighting range in the next time period according to the historical flow data; 3)根据预测得到的下一时间内进入照明范围的人流量生成行人数据；3) Generate pedestrian data according to the predicted flow of people entering the lighting range in the next time; 4)根据步骤3)得到的行人数据计算下一时间段内照明设备的最优延时时间，然后根据计算得到的最优延时时间在下一时间段内对照明设备进行控制，完成园区智能照明延时自动调节。4) Calculate the optimal delay time of the lighting equipment in the next time period according to the pedestrian data obtained in step 3), and then control the lighting equipment in the next time period according to the calculated optimal delay time to complete the intelligent lighting of the park Delay automatic adjustment. 2.根据权利要求1所述的园区智能照明延时自动调节方法，其特征在于，步骤2)中采用时间序列模型根据历史人流数据预测下一时间段内进入照明范围的人流量。2. The method for automatically adjusting the time delay of intelligent lighting in a park according to claim 1, wherein in step 2), a time series model is used to predict the flow of people entering the lighting range in the next time period according to historical people flow data. 3.根据权利要求1所述的园区智能照明延时自动调节方法，其特征在于，行人Pi离开灯照范围时与行人Pi+1有两种相对位置，即当行人Pi+1进入灯照范围时照明设备开启时，则对应的照明设备开关次数不发生变化；当行人Pi+1进入灯照范围时照明设备关闭，则对应的照明设备开关次数加1；3. The method for automatically adjusting the time delay of intelligent lighting in the park according to claim 1, is characterized in that, when pedestrian P i leaves the lighting range, there are two relative positions with pedestrian P i+1 , that is, when pedestrian P i+1 enters. When the lighting equipment is turned on in the lighting range, the corresponding lighting equipment switching times will not change; when the pedestrian P i+1 enters the lighting field, the lighting equipment is turned off, and the corresponding lighting equipment switching times will increase by 1; 设L1为照明设备的感应范围，td为照明设备的延迟时间，
Figure RE-FDA0002694571770000011
为行人Pi到达时刻，tT为前者离开灯照范围后照明设备关闭的时刻，Nswitch为照明设备的总开关次数，Tlight为照明设备开启的总时长；Let L 1 be the sensing range of the lighting device, t d be the delay time of the lighting device,
Figure RE-FDA0002694571770000011
is the arrival time of the pedestrian P i , t T is the time when the lighting device is turned off after the former leaves the lighting range, N switch is the total switching times of the lighting device, and T light is the total duration of the lighting device being turned on; 当行人Pi+1在照明设备关闭后才到达灯照范围，即
Figure RE-FDA0002694571770000012
则Nswitch加1，Tlight＝(Ll/vi)+td，更新tT；当行人Pi+1在照明设备关闭前到达灯照范围，即
Figure RE-FDA0002694571770000013
时，Nswitch不变，
Figure RE-FDA0002694571770000014
更新tT；当行人Pi+1反超行人Pi在照明设备关闭之前离开灯照范围，即
Figure RE-FDA0002694571770000015
则Nswitch和Tlight保持不变，同时tT保持不变。When the pedestrian P i+1 reaches the lighting range after the lighting equipment is turned off, that is
Figure RE-FDA0002694571770000012
Then add 1 to N switch , T light =(L l /v i )+t d , update t T ; when the pedestrian P i+1 reaches the lighting range before the lighting equipment is turned off, that is,
Figure RE-FDA0002694571770000013
, N switch remains unchanged,
Figure RE-FDA0002694571770000014
Update t T ; when the pedestrian P i+1 overtakes the pedestrian P i and leaves the lighting range before the lighting equipment is turned off, that is
Figure RE-FDA0002694571770000015
Then N switch and T light remain unchanged, while t T remains unchanged. 4.根据权利要求1所述的园区智能照明延时自动调节方法，其特征在于，设照明设备开启一次，照明设备的寿命减少h小时，照明设备的总开关次数为M次，每度的电费为S1，照明设备的灯泡价格为S2，照明设备的功率为P，更换灯泡的人工费为a元，构建目标函数为：4. The method for automatically adjusting the time delay of intelligent lighting in the park according to claim 1, characterized in that, if the lighting equipment is turned on once, the lifespan of the lighting equipment is reduced by h hours, the total switching times of the lighting equipment is M times, and the electricity charge per kilowatt is S 1 , the light bulb price of the lighting equipment is S 2 , the power of the lighting equipment is P, the labor cost of replacing the light bulb is a yuan, and the construction objective function is:
Figure RE-FDA0002694571770000021
Figure RE-FDA0002694571770000021
 5.根据权利要求1所述的园区智能照明延时自动调节方法，其特征在于，利用混沌粒子群优化算法计算照明设备的最优延时时间。5 . The method for automatically adjusting the delay time of intelligent lighting in the park according to claim 1 , wherein the optimal delay time of the lighting equipment is calculated by using a chaotic particle swarm optimization algorithm. 6 . 6.一种园区智能照明延时自动调节装置，其特征在于，包括：6. An intelligent lighting delay automatic adjustment device in a park, characterized in that, comprising: 人体感应设备，用于统计进入照明范围的人流数据；Human body sensing equipment, used to count the flow data of people entering the lighting range; 第一预测模块，与人体感应设备相连接，用于根据历史人流数据预测下一时间段内进入照明范围的人流量；The first prediction module is connected with the human body sensing device, and is used for predicting the flow of people entering the lighting range in the next time period according to the historical data of people flow; 第二预测模块，与第一预测模块相连接，用于根据预测得到的下一时间内进入照明范围的人流量生成行人数据；The second prediction module is connected with the first prediction module, and is used for generating pedestrian data according to the predicted flow of people entering the lighting range in the next time; 灯控模块，与第二预测模块相连接，用于根据行人数据计算下一时间段内照明设备的最优延时时间，然后根据计算得到的最优延时时间在下一时间段内对照明设备进行控制，完成园区智能照明延时自动调节。The light control module is connected with the second prediction module, and is used to calculate the optimal delay time of the lighting equipment in the next time period according to the pedestrian data, and then according to the calculated optimal delay time, the lighting equipment is adjusted in the next time period. Control and complete the automatic adjustment of the intelligent lighting delay in the park.
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