CN108133282A - A kind of Growth of Dendrobium candidum environmental forecasting method - Google Patents

A kind of Growth of Dendrobium candidum environmental forecasting method Download PDF

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CN108133282A
CN108133282A CN201711282227.XA CN201711282227A CN108133282A CN 108133282 A CN108133282 A CN 108133282A CN 201711282227 A CN201711282227 A CN 201711282227A CN 108133282 A CN108133282 A CN 108133282A
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丁金婷
谢翻翻
屠杭垚
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Zhejiang University City College ZUCC
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Abstract

The present invention relates to a kind of Growth of Dendrobium candidum environmental forecasting methods, including growing environment prediction model and the step of improved BP neural network, wherein growing environment prediction model includes making normalized to the parameter of acquisition, make neural network that there is the step of good fitness, improved BP neural network to include level-one fuzzy controller to input error signal e (n) processing and two level fuzzy controller to error originated from input change rate to sampleIt is handled.The beneficial effects of the invention are as follows:It is predicted the present invention provides a kind of improved BP neural network algorithm for plant growth environment, improved BP neural network overcomes the defects of traditional BP neural network convergence rate is slow, change step-length simultaneously, so as to make Step-varied back propagation according to growing environment using fuzzy control, convergence rate is improved.

Description

A kind of Growth of Dendrobium candidum environmental forecasting method
Technical field
The Forecasting Methodology of present invention design plant growth environment more particularly to a kind of Growth of Dendrobium candidum environmental forecasting side Method.
Background technology
Dendrobium candidum is the traditional rare traditional Chinese medicine in China, pharmacological action have enhance it is immune, antitumor, anti-oxidant, Beneficial liver stomach, hypoglycemic, nourishing Yin and promoting production of body fluid and other effects.Since Growth of Dendrobium candidum environment is more special, natural propagation rate is low, and growth is slow The reasons such as slow, the supply of dendrobium candidum wretched insufficiency always, and be illumination, temperature an important factor for wherein influence Growth of Dendrobium candidum Degree, humidity etc. are answered so can ensure to take in advance in the case of bad with prediction to growth environment progress monitoring in real time To measure, unnecessary loss is avoided.
BP neural network has because with good nonlinear fitting characteristic for solving plant growth environment aspect at present Extensive use.If it is required that predicting large area growing process, mass data is needed to carry out repeatedly effectively study, because This learning time and space consuming are very big.
Invention content
The purpose of the present invention is overcoming deficiency of the prior art, a kind of Growth of Dendrobium candidum ring quickly and efficiently is provided The Forecasting Methodology in border.The purpose of the present invention is what is be achieved through the following technical solutions:
The Forecasting Methodology of this Growth of Dendrobium candidum environment, includes the following steps:
The first step, growing environment prediction model:
Normalized is made to the parameter of acquisition first, makes neural network that there is good fitness to sample:
Wherein, x ' is numerical value after normalization, and x is current value, xmaxFor sample maximum, xminFor sample minimum;
The input layer number for setting neural network is A, and A represents the principal element for influencing Growth of Dendrobium candidum environment Number, the i.e. soil moisture, soil moisture, air themperature, air humidity, illumination, carbon dioxide and time;Output layer number of nodes is B, B represents the principal element number for influencing Growth of Dendrobium candidum environmental forecasting, generally sets A=B;Hidden layer node C by input and Depending on the requirement of output;
To shorten the training time of network, using serial input mode, N number of training data known to input sample, N+1 Data are trained for tutor;After, input data moves backward a data as next group of input data successively, with N+ 2 data are trained for tutor, and so on are gone down;It is possible thereby to grasp the rule of neural network prediction, prediction model is:
Dn+1=F (Dn, Dn-1, Dn-2, Dn-3..., Dn-m)
F(Dn) represent that historical data passes through the function of neural network prediction mapping, DnRepresent the value in n moment environmental parameters;
The step of second step, improved BP neural network:
Data are handled first, the larger data processing of error is fallen, secondly using two level fuzzy controller to it He is handled data error;
1) level-one fuzzy controller is to input error signal e (n) processing:Error input one caused by neural network is restrained Grade fuzzy controller, compared with last error e (n-1), the difference (e (n)-e (n-1)) that can determine whether error be convergence or Diverging;By the membership function of setting, be divided into error rises at a high speed PB1, error middling speed rises PM1, error low speed rises PS1, Error stablizes 01, error low speed and declines NS1, error middling speed decline NM1 and error decline seven kinds of states of NB1 at a high speed, is obscured Processing makes corresponding change, so as to adjust step-length according to the rule base of design for learning rate and momentum:
1. when if e (n) is PB1 states, then suitably reduce learning rate, momentum is set as 0.01, cancels this time Iteration returns to last iteration;
2. when if e (n) is PM1 states, then suitably reduce learning rate and momentum, continue next iteration;
3. when if e (n) is PS1 states, then suitably reduce learning rate and momentum, continue next iteration;
4. when if e (n) is 01 state, then learning rate and momentum remain unchanged, and continue next iteration;
5. when if e (n) is NS1 states, then suitably increase learning rate and momentum, continue next iteration;
6. when if e (n) is NM1 states, then suitably increase learning rate and momentum, continue next iteration;
7. when if e (n) is NB1 states, then suitably increase learning rate and momentum, continue next iteration;
2) two level fuzzy controller is to error originated from input change rateIt is handled:By level-one Fuzzy Control Treated that error is converted into error rate is input to two level fuzzy controller for device processed, by the membership function of setting, is divided into Error rate rises at a high speed PB2, error rate middling speed rises PM2, error rate low speed rises PS2, error rate stablizes 02, error rate low speed Decline NS2, error rate middling speed decline NM2 and error rate and decline seven kinds of states of NB2 at a high speed, phase is made to learning rate and momentum again It should change, so as to adjust step-length:
1. when if Δ is PB2 states, then suitably reduce learning rate, momentum is set as 0.01, and cancellation this time changes In generation, returns to last iteration;
2. when if Δ is PM2 states, then suitably reduce learning rate and momentum, continue next iteration;
3. when if Δ is PS2 states, then suitably reduce learning rate and momentum, continue next iteration;
4. when if Δ is 02 state, then learning rate and momentum remain unchanged, and continue next iteration;
5. when if Δ is NS2 states, then suitably increase learning rate and momentum, continue next iteration;
6. when if Δ is NM2 states, then suitably increase learning rate and momentum, continue next iteration;
7. when if Δ is NB2 states, then suitably increase learning rate and momentum, continue next iteration.
The beneficial effects of the invention are as follows:The present invention provides a kind of improved BP neural network algorithms to be used for plant growth ring Border predicts that improved BP neural network overcomes the defects of traditional BP neural network convergence rate is slow, while changes step-length, so as to Step-varied back propagation is made according to growing environment using fuzzy control, improves convergence rate.
Description of the drawings
Fig. 1 is invention neural network prediction model schematic diagram;
Fig. 2 is design of Fuzzy Controller schematic diagram;
Fig. 3 is membership function schematic diagram (level-one is identical with two level fuzzy controller degree of membership design);
Fig. 4 is improved model schematic diagram;
Fig. 5 is fitting result chart;
Fig. 6 is prediction effect figure.
Specific embodiment
The present invention is described further with reference to embodiment.Following embodiments are served only for helping to understand the present invention.It is right In those skilled in the art, without departing from the principle of the present invention, the present invention can also be improved, These improvement are also fallen within the protection scope of the claims of the present invention.
In order to be predicted, plant growth environment is monitored, (period is small for 1 for the data detected using sensor When), it enters data into improved BP neural network and is predicted, then carry out alert process.
Normalized is made to the parameter of acquisition first, makes neural network that there is good fitness to sample:
Wherein, x ' is numerical value after normalization, and x is current value, xmaxFor sample maximum, xminFor sample minimum.
The input layer number for setting neural network is A, and A represents the principal element for influencing Growth of Dendrobium candidum environment Number, the i.e. soil moisture, soil moisture, air themperature, air humidity, illumination, carbon dioxide and time;Output layer number of nodes is B, B represents the principal element number (generally setting A=B) for influencing Growth of Dendrobium candidum environmental forecasting;Hidden layer node C by input and Depending on the requirement of output.
To shorten the training time of network, using serial input mode, N number of training data known to input sample, N+1 Data are trained for tutor.After, input data moves backward a data as next group of input data successively, with N+ 2 data are trained for tutor, and so on are gone down.It is possible thereby to grasp the rule of neural network prediction, prediction model is:
Dn+1=F (Dn, Dn-1, Dn-2, Dn-3..., Dn-m)
F(Dn) represent that historical data passes through the function of neural network prediction mapping, DnRepresent the value in n moment environmental parameters.
The step of second step, improved BP neural network:
Data are handled first, the larger data processing of error is fallen, prevent the error that randomness is brought to entire Prediction process affects, and secondly other data errors are handled using two level fuzzy controller.
1) level-one fuzzy controller is to input error signal e (n) processing:Error input one caused by neural network is restrained Grade fuzzy controller, compared with last error e (n-1), the difference (e (n)-e (n-1)) that can determine whether error be convergence or Diverging;By the membership function of setting, be divided into error rises at a high speed PB1, error middling speed rises PM1, error low speed rises PS1, Error stablizes 01, error low speed and declines NS1, error middling speed decline NM1 and error decline seven kinds of states of NB1 at a high speed, is obscured Processing makes corresponding change, so as to adjust step-length according to the rule base of design for learning rate and momentum:
1. when if e (n) is PB1 states, then suitably reduce learning rate, momentum is set as 0.01, cancels this time Iteration returns to last iteration;
2. when if e (n) is PM1 states, then suitably reduce learning rate and momentum, continue next iteration;
3. when if e (n) is PS1 states, then suitably reduce learning rate and momentum, continue next iteration;
4. when if e (n) is 01 state, then learning rate and momentum remain unchanged, and continue next iteration;
5. when if e (n) is NS1 states, then suitably increase learning rate and momentum, continue next iteration;
6. when if e (n) is NM1 states, then suitably increase learning rate and momentum, continue next iteration;
7. when if e (n) is NB1 states, then suitably increase learning rate and momentum, continue next iteration.
2) two level fuzzy controller is to error originated from input change rateIt is handled:By level-one Fuzzy Control Treated that error is converted into error rate is input to two level fuzzy controller for device processed, by the membership function of setting, is divided into Error rate rises at a high speed PB2, error rate middling speed rises PM2, error rate low speed rises PS2, error rate stablizes 02, error rate low speed Decline NS2, error rate middling speed decline NM2 and error rate and decline seven kinds of states of NB2 at a high speed, phase is made to learning rate and momentum again It should change, so as to adjust step-length:
1. when if Δ is PB2 states, then suitably reduce learning rate, momentum is set as 0.01, and cancellation this time changes In generation, returns to last iteration;
2. when if Δ is PM2 states, then suitably reduce learning rate and momentum, continue next iteration;
3. when if Δ is PS2 states, then suitably reduce learning rate and momentum, continue next iteration;
4. when if Δ is 02 state, then learning rate and momentum remain unchanged, and continue next iteration;
5. when if Δ is NS2 states, then suitably increase learning rate and momentum, continue next iteration;
6. when if Δ is NM2 states, then suitably increase learning rate and momentum, continue next iteration;
7. when if Δ is NB2 states, then suitably increase learning rate and momentum, continue next iteration.
Wherein to the design of the membership function of error and error rate as shown in figure 3, can be treated to be -3, -2, -1,0,1,2, 3 } seven value signals represent PB1/PB2, PM1/PM2, PS1/PS2,01/02, NS1/NS2, NM1/NM2, NB1/NB2 seven respectively Kind state.Level-one is taken to obscure as shown in table 1 with two level fuzzy rule base design same procedure here.
Learning rate changes rule base with momentum under each state of 1 error of table/error rate
The BP neural network model structure finally improved is as shown in figure 4, first input Growth of Dendrobium candidum environmental parameter To BP neural network, then prediction is input to substantial measurement errors in level-one fuzzy controller, the error of secondary calculating into Row derivation is input to two level fuzzy controller, and then adaptively changing momentum and learning rate, is finally output in neural network, from And predict the variation of growing environment.
In order to examine improved BP neural network and traditional BP neural network and the effect of other improvements BP neural network, The same group of Growth of Dendrobium candidum environmental data detected is separately input in each network, prediction of result is compared as follows 2 institute of table Show.
2 prediction result of table
The result shows that BP neural network of the present invention has good error convergence effect, and speed is faster.
Prediction result:The quality of a neural network is evaluated, can be seen that in terms of the fitting of neural network and prediction two. The quality being wherein fitted is determined by training method, and the result predicted is determined by the quality being fitted.If parameter setting is not Overfitting rationally is caused, the precision of prediction will decline.As shown in Figure 5 and Figure 6, respectively fitting and prognostic chart are in figure The 1920 groups of data obtained for 20 days sample (1 hour period) by equally spaced, after debug data, obtain 225 groups Data, using 125 groups of front data as training data, behind 100 groups as detection data, wherein solid line represents number of actual measurements According to dotted line represents its predicted value, therefore this model can predict the growing environment Parameters variation of 1 hour in advance, so as to be adopted to it Take corresponding measure.

Claims (1)

  1. A kind of 1. Growth of Dendrobium candidum environmental forecasting method, which is characterized in that include the following steps:
    The first step, growing environment prediction model:
    Normalized is made to the parameter of acquisition first, makes neural network that there is good fitness to sample:
    Wherein, x ' is numerical value after normalization, and x is current value, xmaxFor sample maximum, xminFor sample minimum;
    The input layer number for setting neural network is A, and A represents the principal element number for influencing Growth of Dendrobium candidum environment, i.e., The soil moisture, soil moisture, air themperature, air humidity, illumination, carbon dioxide and time;Output layer number of nodes is B, and B is represented The principal element number of Growth of Dendrobium candidum environmental forecasting is influenced, A=B is generally set;Hidden layer node C is by outputting and inputting Depending on it is required that;
    To shorten the training time of network, using serial input mode, N number of training data known to input sample, the N+1 data It is trained for tutor;After, input data moves backward a data as next group of input data successively, with N+2 Data are trained for tutor, and so on are gone down;It is possible thereby to grasp the rule of neural network prediction, prediction model is:
    Dn+1=F (Dn, Dn-1, Dn-2, Dn-3..., Dn-m)
    F(Dn) represent that historical data passes through the function of neural network prediction mapping, DnRepresent the value in n moment environmental parameters;
    The step of second step, improved BP neural network:
    Data are handled first, the larger data processing of error is fallen, secondly other are counted using two level fuzzy controller It is handled according to error;
    1) level-one fuzzy controller is to input error signal e (n) processing:Error caused by neural network is restrained inputs level-one mould Fuzzy controllers are compared with last error e (n-1), and the difference (e (n)-e (n-1)) that can determine whether error is convergence or hair It dissipates;By the membership function of setting, it is divided into error and rises PB1 at a high speed, error middling speed rising PM1, error low speed rising PS1, misses Difference stablizes 01, error low speed and declines NS1, error middling speed decline NM1 and error decline seven kinds of states of NB1 at a high speed, carries out fuzzy place Reason makes corresponding change, so as to adjust step-length according to the rule base of design for learning rate and momentum:
    1. when if e (n) is PB1 states, then learning rate is suitably reduced, momentum is set as 0.01, cancels this time iteration, Return to last iteration;
    2. when if e (n) is PM1 states, then suitably reduce learning rate and momentum, continue next iteration;
    3. when if e (n) is PS1 states, then suitably reduce learning rate and momentum, continue next iteration;
    4. when if e (n) is 01 state, then learning rate and momentum remain unchanged, and continue next iteration;
    5. when if e (n) is NS1 states, then suitably increase learning rate and momentum, continue next iteration;
    6. when if e (n) is NM1 states, then suitably increase learning rate and momentum, continue next iteration;
    7. when if e (n) is NB1 states, then suitably increase learning rate and momentum, continue next iteration;
    2) two level fuzzy controller is to error originated from input change rateIt is handled:By level-one fuzzy controller Error that treated is converted into error rate and is input to two level fuzzy controller, by the membership function of setting, is divided into error Rate rises at a high speed PB2, error rate middling speed rises PM2, error rate low speed rises PS2, error rate stablizes the decline of 02, error rate low speed NS2, error rate middling speed decline NM2 and error rate declines at a high speed seven kinds of states of NB2, learning rate and momentum are made accordingly changing again Become, so as to adjust step-length:
    1. when if Δ is PB2 states, then suitably reduce learning rate, momentum is set as 0.01, cancels this time iteration, returns To last iteration;
    2. when if Δ is PM2 states, then suitably reduce learning rate and momentum, continue next iteration;
    3. when if Δ is PS2 states, then suitably reduce learning rate and momentum, continue next iteration;
    4. when if Δ is 02 state, then learning rate and momentum remain unchanged, and continue next iteration;
    5. when if Δ is NS2 states, then suitably increase learning rate and momentum, continue next iteration;
    6. when if Δ is NM2 states, then suitably increase learning rate and momentum, continue next iteration;
    7. when if Δ is NB2 states, then suitably increase learning rate and momentum, continue next iteration.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109324503A (en) * 2018-08-28 2019-02-12 南京理工大学 Multilayer neural network electric system control method based on robust integral
CN112666246A (en) * 2020-12-17 2021-04-16 贵州中医药大学 Method for screening dendrobium officinale cultivated by imitating wild rock fissure epiphytic growth

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6128609A (en) * 1997-10-14 2000-10-03 Ralph E. Rose Training a neural network using differential input
US20150106310A1 (en) * 2013-10-16 2015-04-16 University Of Tennessee Research Foundation Method and apparatus for constructing a neuroscience-inspired artificial neural network
CN104835103A (en) * 2015-05-11 2015-08-12 大连理工大学 Mobile network health evaluation method based on neural network and fuzzy comprehensive evaluation
CN105701280A (en) * 2016-01-05 2016-06-22 浙江大学城市学院 Southern America white-leg shrimp pond culture water quality prediction method
CN107255920A (en) * 2017-06-21 2017-10-17 武汉理工大学 PID control method and apparatus and system based on network optimization algorithm

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6128609A (en) * 1997-10-14 2000-10-03 Ralph E. Rose Training a neural network using differential input
US20150106310A1 (en) * 2013-10-16 2015-04-16 University Of Tennessee Research Foundation Method and apparatus for constructing a neuroscience-inspired artificial neural network
CN104835103A (en) * 2015-05-11 2015-08-12 大连理工大学 Mobile network health evaluation method based on neural network and fuzzy comprehensive evaluation
CN105701280A (en) * 2016-01-05 2016-06-22 浙江大学城市学院 Southern America white-leg shrimp pond culture water quality prediction method
CN107255920A (en) * 2017-06-21 2017-10-17 武汉理工大学 PID control method and apparatus and system based on network optimization algorithm

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ABDELLA M: "Treatment of missing data using neural networks and genetic algorithms", 《PROCEEDINGS OF THE INTERNATIONAL JOINT CONFERENCE ON NEURAL NETWORKS (IJCNN)》 *
丁金婷: "模糊方法改进的反向传输神经网络预测南美白对虾养殖的水质", 《浙江大学学报(农业与生命科学版)》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109324503A (en) * 2018-08-28 2019-02-12 南京理工大学 Multilayer neural network electric system control method based on robust integral
CN112666246A (en) * 2020-12-17 2021-04-16 贵州中医药大学 Method for screening dendrobium officinale cultivated by imitating wild rock fissure epiphytic growth

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