[修改]修改了错误的exporter名称

opcua-exporter/fault-simulation-algorithm/white_noise/CMakeLists.txt

@@ -0,0 +1,23 @@
+add_library(
+        white-noise
+        INTERFACE
+)
+
+target_sources(
+        white-noise
+        INTERFACE
+        white_noise.cpp
+        white_noise.h
+)
+
+target_include_directories(
+        white-noise
+        INTERFACE
+        ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+target_link_libraries(
+        white-noise
+        INTERFACE
+        nlohmann_json::nlohmann_json
+)

opcua-exporter/fault-simulation-algorithm/white_noise/main.cpp

@@ -0,0 +1,80 @@
+//
+// Created by baiguwen on 2022/4/24.
+//
+#include <iostream>
+#include "white_noise.h"
+#include <fstream>
+#include <string>
+#include <sstream>
+#include <vector>
+//#include <sciplot/sciplot.hpp>
+
+int main() {
+    white_noise algorithm;
+    double white_noise_stddev=2;
+    double white_noise_mean=0;
+
+    algorithm.set_config(
+            {
+                    {"WHITE_NOISE_MEAN",     white_noise_mean},
+                    {"WHITE_NOISE_STDDEV", white_noise_stddev},
+
+            }
+    );
+    std::vector <std::vector<double>> user_arr;
+    std::ifstream fp("C:/data/user_data.csv");
+    std::string line;
+    getline(fp,line);
+    while (getline(fp,line)){
+        std::vector <double> data_line;
+        std::string number;
+        std::istringstream readstr(line);
+        for(int j = 0;j < 2814;j++){
+            getline(readstr,number,',');
+            data_line.push_back(atof(number.c_str()));
+        }
+        user_arr.push_back(data_line);
+    }
+    std::ofstream outfile;
+    outfile.open("C:/data/user_data8.csv", std::ios::out);
+    outfile<<"origin"<<','<<"white_noise"<<std::endl;
+    for (int i = 0; i <2814; ++i) {
+        user_arr[i][1]=algorithm.eval(user_arr[i][0]);
+        std::cout << i << "\t" << user_arr[i][1] << std::endl;
+        outfile<<user_arr[i][0]<<','<<user_arr[i][1]<<std::endl;
+    }
+    outfile.close();
+
+    return 0;
+}
+//    int length=round(white_noise_stddev)*6;
+//    std::vector<int>    x(length+1,0);
+//for(int i=0;i<length+1;i++){
+//    x[i]=100-length/2+round(white_noise_mean)+i;
+//}
+//
+//    std::vector<double> virtual_data(10000, 100.0);
+//    std::vector<double>  white_noise_data;
+//    std::vector<int>  white_noise_data_number(length+1,0);
+//    sciplot::Plot       plot;
+//
+//    for (auto iter: virtual_data) {
+//        double a=algorithm.eval(iter);
+//        white_noise_data.push_back (round(a));
+//        std::cout << iter << "\t" << a << std::endl;
+//    }
+//    for(int k=0;k<virtual_data.size();k++){
+//        for(int l=0;l<length+1;l++){
+//            if(white_noise_data[k]==x[l])
+//                white_noise_data_number[l]++;
+//
+//
+//        }
+//
+//    }
+//
+//    plot.drawCurve(x, white_noise_data_number).label("td");
+//    plot.show();
+//
+//    return 0;
+//}

opcua-exporter/fault-simulation-algorithm/white_noise/white_noise.cpp

@@ -0,0 +1,27 @@
+//
+// Created by baiguwen on 2022/4/24.
+//
+#include "white_noise.h"
+
+void white_noise::set_config(const nlohmann::json &config) {
+    try {
+        mean_               = jsonValue(config, "WHITE_NOISE_MEAN");
+        standard_deviation_ = jsonValue(config, "WHITE_NOISE_STDDEV");
+        normal_distribution_.reset(new std::normal_distribution<>(mean_, standard_deviation_));
+        config_ = config;
+    } catch (...) {
+
+    }
+}
+
+nlohmann::json white_noise::config() {
+    return config_;
+}
+
+
+double white_noise::eval(double value) {
+    if (normal_distribution_) {
+        value = value + normal_distribution_->operator()(mt19937_);
+    }
+    return value;
+}

opcua-exporter/fault-simulation-algorithm/white_noise/white_noise.h

@@ -0,0 +1,26 @@
+//
+// Created by baiguwen on 2022/4/24.
+//
+
+#ifndef FAULT_SIMULATION_ALGORITHM_WHITE_NOISE_H
+#define FAULT_SIMULATION_ALGORITHM_WHITE_NOISE_H
+#include <algorithm.hpp>
+#include <math.h>
+#include <random>
+class white_noise : public algorithm {
+public:
+    void set_config(const nlohmann::json &config) override;
+
+    nlohmann::json config() override;
+
+    double eval(double value) override;
+
+protected:
+    nlohmann::json config_{};
+    std::mt19937         mt19937_{std::random_device()()};
+    std::shared_ptr <std::normal_distribution<>>        normal_distribution_;
+    double mean_{0};
+    double standard_deviation_{0};
+
+};
+#endif //FAULT_SIMULATION_ALGORITHM_WHITE_NOISE_H