神经网络预测应力应变-单轴实验

1、内容简介

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2、内容说明

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%% ------------ 提取数据 ------------
% 单轴实验.xlsx
data_C50_0 = xlsread('单轴实验.xlsx','Sheet1','A4:B58');
data_6_02_0 = xlsread('单轴实验.xlsx','Sheet1','C4:D66');
data_6_04_0 = xlsread('单轴实验.xlsx','Sheet1','E4:F61');
data_6_06_0 = xlsread('单轴实验.xlsx','Sheet1','G4:H62');

data_12_02_0 = xlsread('单轴实验.xlsx','Sheet1','I4:J59');
data_12_04_0 = xlsread('单轴实验.xlsx','Sheet1','K4:L57');
data_12_06_0 = xlsread('单轴实验.xlsx','Sheet1','M4:N61');

data_18_02_0 = xlsread('单轴实验.xlsx','Sheet1','O4:P50');
data_18_04_0 = xlsread('单轴实验.xlsx','Sheet1','Q4:R62');
data_18_06_0 = xlsread('单轴实验.xlsx','Sheet1','S4:T60');

% 5MPa.xlsx
data_C50_5 = xlsread('5MPa.xlsx','Sheet1','A3:B34');
data_6_02_5 = xlsread('5MPa.xlsx','Sheet1','C3:D52');
data_6_04_5 = xlsread('5MPa.xlsx','Sheet1','E3:F55');
data_6_06_5 = xlsread('5MPa.xlsx','Sheet1','G3:H35');

data_12_02_5 = xlsread('5MPa.xlsx','Sheet1','I3:J33');
data_12_04_5 = xlsread('5MPa.xlsx','Sheet1','K3:L51');
data_12_06_5 = xlsread('5MPa.xlsx','Sheet1','M3:N39');

data_18_02_5 = xlsread('5MPa.xlsx','Sheet1','O3:P35');
data_18_04_5 = xlsread('5MPa.xlsx','Sheet1','Q3:R42');
data_18_06_5 = xlsread('5MPa.xlsx','Sheet1','S3:T42');

% 10MPa.xlsx
data_C50_10 = xlsread('10MPa.xlsx','Sheet1','A3:B40');
data_6_02_10 = xlsread('10MPa.xlsx','Sheet1','C3:D57');
data_6_04_10 = xlsread('10MPa.xlsx','Sheet1','E3:F44');
data_6_06_10 = xlsread('10MPa.xlsx','Sheet1','G3:H57');

data_12_02_10 = xlsread('10MPa.xlsx','Sheet1','I3:J42');
data_12_04_10 = xlsread('10MPa.xlsx','Sheet1','K3:L58');
data_12_06_10 = xlsread('10MPa.xlsx','Sheet1','M3:N42');

data_18_02_10 = xlsread('10MPa.xlsx','Sheet1','O3:P38');
data_18_04_10 = xlsread('10MPa.xlsx','Sheet1','Q3:R44');
data_18_06_10 = xlsread('10MPa.xlsx','Sheet1','S3:T53');

% 15MPa.xlsx
data_C50_15 = xlsread('5MPa.xlsx','Sheet1','A3:B62');
data_6_02_15 = xlsread('15MPa.xlsx','Sheet1','C3:D50');
data_6_04_15 = xlsread('15MPa.xlsx','Sheet1','E3:F49');
data_6_06_15 = xlsread('15MPa.xlsx','Sheet1','G3:H55');

data_12_02_15 = xlsread('15MPa.xlsx','Sheet1','I3:J52');
data_12_04_15 = xlsread('15MPa.xlsx','Sheet1','K3:L59');
data_12_06_15 = xlsread('15MPa.xlsx','Sheet1','M3:N40');

data_18_02_15 = xlsread('15MPa.xlsx','Sheet1','O3:P54');
data_18_04_15 = xlsread('15MPa.xlsx','Sheet1','Q3:R57');
data_18_06_15 = xlsread('15MPa.xlsx','Sheet1','S3:T52');

%% 数据融合处理，生成BP需要的数据量
pressure = [];
fibre_length = [];
volume_percentage = [];
x = [];
y = [];
%------------------单轴数据------------------------------------------
pressure = [pressure zeros(length(data_C50_0),1)];
fibre_length = [fibre_length zeros(length(data_C50_0),1)];
volume_percentage = [volume_percentage zeros(length(data_C50_0),1)];
x = [x data_C50_0(:,1)];
y = [y data_C50_0(:,2)];

pressure = [pressure; zeros(length(data_6_02_0),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_02_0),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_6_02_0),1)];
x = [x; data_6_02_0(:,1)];
y = [y; data_6_02_0(:,2)];
pressure = [pressure; zeros(length(data_6_04_0),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_04_0),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_6_04_0),1)];
x = [x; data_6_04_0(:,1)];
y = [y; data_6_04_0(:,2)];
pressure = [pressure; zeros(length(data_6_06_0),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_06_0),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_6_06_0),1)];
x = [x; data_6_06_0(:,1)];
y = [y; data_6_06_0(:,2)];

pressure = [pressure; zeros(length(data_12_02_0),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_02_0),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_12_02_0),1)];
x = [x; data_12_02_0(:,1)];
y = [y; data_12_02_0(:,2)];
pressure = [pressure; zeros(length(data_12_04_0),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_04_0),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_12_04_0),1)];
x = [x; data_12_04_0(:,1)];
y = [y; data_12_04_0(:,2)];
pressure = [pressure; zeros(length(data_12_06_0),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_06_0),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_12_06_0),1)];
x = [x; data_12_06_0(:,1)];
y = [y; data_12_06_0(:,2)];

pressure = [pressure; zeros(length(data_18_02_0),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_02_0),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_18_02_0),1)];
x = [x; data_18_02_0(:,1)];
y = [y; data_18_02_0(:,2)];
pressure = [pressure; zeros(length(data_18_04_0),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_04_0),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_18_04_0),1)];
x = [x; data_18_04_0(:,1)];
y = [y; data_18_04_0(:,2)];
pressure = [pressure; zeros(length(data_18_06_0),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_06_0),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_18_06_0),1)];
x = [x; data_18_06_0(:,1)];
y = [y; data_18_06_0(:,2)];

%------------------5MPa数据------------------------------------------
pressure = [pressure; 5*ones(length(data_C50_5),1)];
fibre_length = [fibre_length; zeros(length(data_C50_5),1)];
volume_percentage = [volume_percentage; zeros(length(data_C50_5),1)];
x = [x; data_C50_5(:,1)];
y = [y; data_C50_5(:,2)];

pressure = [pressure; 5*ones(length(data_6_02_5),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_02_5),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_6_02_5),1)];
x = [x; data_6_02_5(:,1)];
y = [y; data_6_02_5(:,2)];
pressure = [pressure; 5*ones(length(data_6_04_5),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_04_5),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_6_04_5),1)];
x = [x; data_6_04_5(:,1)];
y = [y; data_6_04_5(:,2)];
pressure = [pressure; 5*ones(length(data_6_06_5),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_06_5),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_6_06_5),1)];
x = [x; data_6_06_5(:,1)];
y = [y; data_6_06_5(:,2)];

pressure = [pressure; 5*ones(length(data_12_02_5),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_02_5),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_12_02_5),1)];
x = [x; data_12_02_5(:,1)];
y = [y; data_12_02_5(:,2)];
pressure = [pressure; 5*ones(length(data_12_04_5),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_04_5),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_12_04_5),1)];
x = [x; data_12_04_5(:,1)];
y = [y; data_12_04_5(:,2)];
pressure = [pressure; 5*ones(length(data_12_06_5),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_06_5),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_12_06_5),1)];
x = [x; data_12_06_5(:,1)];
y = [y; data_12_06_5(:,2)];

pressure = [pressure; 5*ones(length(data_18_02_5),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_02_5),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_18_02_5),1)];
x = [x; data_18_02_5(:,1)];
y = [y; data_18_02_5(:,2)];
pressure = [pressure; 5*ones(length(data_18_04_5),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_04_5),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_18_04_5),1)];
x = [x; data_18_04_5(:,1)];
y = [y; data_18_04_5(:,2)];
pressure = [pressure; 5*ones(length(data_18_06_5),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_06_5),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_18_06_5),1)];
x = [x; data_18_06_5(:,1)];
y = [y; data_18_06_5(:,2)];

%------------------10MPa数据------------------------------------------
pressure = [pressure; 10*ones(length(data_C50_10),1)];
fibre_length = [fibre_length; zeros(length(data_C50_10),1)];
volume_percentage = [volume_percentage; zeros(length(data_C50_10),1)];
x = [x; data_C50_10(:,1)];
y = [y; data_C50_10(:,2)];

pressure = [pressure; 10*ones(length(data_6_02_10),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_02_10),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_6_02_10),1)];
x = [x; data_6_02_10(:,1)];
y = [y; data_6_02_10(:,2)];
pressure = [pressure; 10*ones(length(data_6_04_10),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_04_10),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_6_04_10),1)];
x = [x; data_6_04_10(:,1)];
y = [y; data_6_04_10(:,2)];
pressure = [pressure; 10*ones(length(data_6_06_10),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_06_10),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_6_06_10),1)];
x = [x; data_6_06_10(:,1)];
y = [y; data_6_06_10(:,2)];

pressure = [pressure; 10*ones(length(data_12_02_10),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_02_10),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_12_02_10),1)];
x = [x; data_12_02_10(:,1)];
y = [y; data_12_02_10(:,2)];
pressure = [pressure; 10*ones(length(data_12_04_10),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_04_10),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_12_04_10),1)];
x = [x; data_12_04_10(:,1)];
y = [y; data_12_04_10(:,2)];
pressure = [pressure; 10*ones(length(data_12_06_10),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_06_10),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_12_06_10),1)];
x = [x; data_12_06_10(:,1)];
y = [y; data_12_06_10(:,2)];

pressure = [pressure; 10*ones(length(data_18_02_10),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_02_10),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_18_02_10),1)];
x = [x; data_18_02_10(:,1)];
y = [y; data_18_02_10(:,2)];
pressure = [pressure; 10*ones(length(data_18_04_10),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_04_10),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_18_04_10),1)];
x = [x; data_18_04_10(:,1)];
y = [y; data_18_04_10(:,2)];
pressure = [pressure; 10*ones(length(data_18_06_10),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_06_10),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_18_06_10),1)];
x = [x; data_18_06_10(:,1)];
y = [y; data_18_06_10(:,2)];

%------------------15MPa数据------------------------------------------
pressure = [pressure; 15*ones(length(data_C50_15),1)];
fibre_length = [fibre_length; zeros(length(data_C50_15),1)];
volume_percentage = [volume_percentage; zeros(length(data_C50_15),1)];
x = [x; data_C50_15(:,1)];
y = [y; data_C50_15(:,2)];

pressure = [pressure; 15*ones(length(data_6_02_15),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_02_15),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_6_02_15),1)];
x = [x; data_6_02_15(:,1)];
y = [y; data_6_02_15(:,2)];
pressure = [pressure; 15*ones(length(data_6_04_15),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_04_15),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_6_04_15),1)];
x = [x; data_6_04_15(:,1)];
y = [y; data_6_04_15(:,2)];
pressure = [pressure; 15*ones(length(data_6_06_15),1)];
fibre_length = [fibre_length; 6*ones(length(data_6_06_15),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_6_06_15),1)];
x = [x; data_6_06_15(:,1)];
y = [y; data_6_06_15(:,2)];

pressure = [pressure; 15*ones(length(data_12_02_15),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_02_15),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_12_02_15),1)];
x = [x; data_12_02_15(:,1)];
y = [y; data_12_02_15(:,2)];
pressure = [pressure; 15*ones(length(data_12_04_15),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_04_15),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_12_04_15),1)];
x = [x; data_12_04_15(:,1)];
y = [y; data_12_04_15(:,2)];
pressure = [pressure; 15*ones(length(data_12_06_15),1)];
fibre_length = [fibre_length; 12*ones(length(data_12_06_15),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_12_06_15),1)];
x = [x; data_12_06_15(:,1)];
y = [y; data_12_06_15(:,2)];

pressure = [pressure; 15*ones(length(data_18_02_15),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_02_15),1)];
volume_percentage = [volume_percentage; 0.2*ones(length(data_18_02_15),1)];
x = [x; data_18_02_15(:,1)];
y = [y; data_18_02_15(:,2)];
pressure = [pressure; 15*ones(length(data_18_04_15),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_04_15),1)];
volume_percentage = [volume_percentage; 0.4*ones(length(data_18_04_15),1)];
x = [x; data_18_04_15(:,1)];
y = [y; data_18_04_15(:,2)];
pressure = [pressure; 15*ones(length(data_18_06_15),1)];
fibre_length = [fibre_length; 18*ones(length(data_18_06_15),1)];
volume_percentage = [volume_percentage; 0.6*ones(length(data_18_06_15),1)];
x = [x; data_18_06_15(:,1)];
y = [y; data_18_06_15(:,2)];

% 准备BP神经网络的输入数据
input = [pressure, fibre_length, volume_percentage, x];
output = y;
% 打乱数据
flagTrain = length(output);
order = randperm(flagTrain);
nbertrain = round(0.7*flagTrain);% 提取训练和验证数据 70% 训练，30% 验证
XTrain = input(order(1:nbertrain),:);
YTrain = output(order(1:nbertrain));
XValidation = input(order(nbertrain+1:flagTrain),:);
YValidation = output(order(nbertrain+1:flagTrain));

3、仿真分析

4、参考论文

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