Acoustics-Based机器故障识别代码生成树莓π

fs = 16000;windowLength = 512;numFrames = 100;

downloadDataset =虚假的;如果~ downloadDataset pinkNoiseSignal = pinknoise (windowLength * numFrames);其他的%下载AirCompressorDataset.zip组件=“音频”;文件名=“AirCompressorDataset / AirCompressorDataset.zip”;localfile = matlab.internal.examples.download金宝appSupportFile(组件,文件名);% downloadFolder解压缩下载的zip文件downloadFolder = fileparts (localfile);如果~ (fullfile (downloadFolder,存在“AirCompressorDataset”),“dir”)解压缩(localfile downloadFolder)结束%创建一个audioDatastore对象数据存储、管理数据。数据存储= audioDatastore (downloadFolder,“IncludeSubfolders”,真的,“LabelSource”,“foldernames”);%使用countEachLabel每个类别的样本数据集的数量。countEachLabel(数据存储)结束

组件=“音频”;文件名=“AcousticsBasedMachineFaultRecognition / AcousticsBasedMachineFaultRecognition.zip”;localfile = matlab.internal.examples.download金宝appSupportFile(组件,文件名);downloadFolder = fullfile (fileparts (localfile),“系统”);如果~存在(downloadFolder“dir”)解压缩(localfile downloadFolder)结束

目录(downloadFolder)

audioSource = dsp.AsyncBuffer;scoreBuffer = dsp.AsyncBuffer;

airCompNet = coder.loadDeepLearningNetwork (“AirCompressorFaultRecognitionModel.mat”);标签=字符串(airCompNet.Layers(结束). class);

如果~ downloadDataset signalToBeTested = pinkNoiseSignal;其他的[allFiles ~] = splitEachLabel(数据存储,1);allData = readall (allFiles);signalToBeTested =allData (1);signalToBeTested = cell2mat (signalToBeTested);结束

写(audioSource signalToBeTested);resetNetworkState = true;而audioSource。NumUnreadSamples > = windowLength%得到音频数据的帧x =阅读(audioSource windowLength);%应用流分类器函数分数= recognizeAirCompressorFault (x, resetNetworkState);%存储分数进行分析写(scoreBuffer,得分);resetNetworkState = false;结束

成绩=阅读(scoreBuffer);[~,labelIndex] = max(分数(最终,:),[],2);detectedFault =标签(labelIndex)

情节(分数)传说(”“+标签,“位置”,“西北”)包含(“时间步”)ylabel (“分数”str = sprintf ()“预测成绩随着时间的步骤。\ nPredicted类:% s”,detectedFault);标题(str)

重置(audioSource)

targetIPAddress =“172.31.164.247”;UDPSend = dsp.UDPSender (“RemoteIPPort”,25000,“RemoteIPAddress”,targetIPAddress);

sizeOfDoubleInBytes = 8;numScores = 8;maxUDPMessageLength =地板(65507 / sizeOfDoubleInBytes);numPackets =地板(maxUDPMessageLength / numScores);bufferSize = numPackets * numScores * sizeOfDoubleInBytes;UDPReceive = dsp.UDPReceiver (“LocalIPPort”,21000,…“MessageDataType”,“单身”,…“MaximumMessageLength”numScores,…“下面的”bufferSize);

类型recognizeAirCompressorFaultRaspi

hostIPAddress = coder.Constant (“172.18.230.30”);

cfg = coder.config (exe”);cfg。TargetLang =“c++”;

dlcfg = coder.DeepLearningConfig (“arm-compute”);dlcfg。ArmArchitecture =v7的;dlcfg。ArmComputeVersion =“20.02.1”;cfg。DeepLearningConfig = dlcfg;

如果(~ (“r”,“var”)r = raspi (“raspiname”,“π”,“密码”);结束

hw = coder.hardware (“树莓π”);cfg。硬件= hw;

buildDir =“~ / remoteBuildDir”;cfg.Hardware。BuildDir = BuildDir;

cfg。GenerateExampleMain =“GenerateCodeAndCompile”;

codegen配置cfgrecognizeAirCompressorFaultRaspiarg游戏{hostIPAddress}报告

applicationName =“recognizeAirCompressorFaultRaspi”;applicationDirPaths = raspi.utils.getRemoteBuildDirectory (“applicationName”applicationName);targetDirPath = applicationDirPaths {1} .directory;exeName = strcat (applicationName,“.elf”);命令= [“cd”targetDirPath,”;。/”exeName,“& > 1 &”];系统(r,命令);

如果~ downloadDataset signalToBeTested = pinkNoiseSignal;其他的[allFiles ~] = splitEachLabel(数据存储,1);allData = readall (allFiles);signalToBeTested =allData (1);signalToBeTested = cell2mat (signalToBeTested);结束

写(audioSource signalToBeTested);而audioSource。NumUnreadSamples > = windowLength x =阅读(audioSource windowLength);UDPSend (x);分数= UDPReceive ();如果~ isempty(分数)写(scoreBuffer,分数”);结束结束

成绩=阅读(scoreBuffer);[~,labelIndex] = max(分数(最终,:),[],2);detectedFault =标签(labelIndex)

情节(分数)传说(”“+标签,“位置”,“西北”)包含(“时间步”)ylabel (“分数”str = sprintf ()“预测成绩随着时间的步骤。\ nPredicted类:% s”,detectedFault);标题(str)

stopExecutable (codertarget.raspi.raspberrypi exeName)

cfg = coder.config (“自由”,“是”,真正的);cfg。VerificationMode =“公益诉讼”;

dlcfg = coder.DeepLearningConfig (“arm-compute”);cfg。DeepLearningConfig = dlcfg;cfg.DeepLearningConfig。ArmArchitecture =v7的;cfg.DeepLearningConfig。ArmComputeVersion =“20.02.1”;

如果(~ (“r”,“var”)r = raspi (“raspiname”,“π”,“密码”);结束hw = coder.hardware (“树莓π”);cfg。硬件= hw;

buildDir =“~ / remoteBuildDir”;cfg.Hardware。BuildDir = BuildDir;cfg。TargetLang =“c++”;

cfg。CodeExecutionProfiling = true;audioFrame = 1 (windowLength, 1);resetNetworkStateFlag = true;codegen配置cfgrecognizeAirCompressorFaultarg游戏{audioFrame, resetNetworkStateFlag}

totalCalls = 50;为k = 1: totalCalls x = pinknoise (windowLength, 1);分数= recognizeAirCompressorFault_pil (x, resetNetworkStateFlag);resetNetworkStateFlag = false;结束

清晰的recognizeAirCompressorFault_pil

executionProfile = getCoderExecutionProfile (“recognizeAirCompressorFault”);报告(executionProfile,…“单位”,“秒”,…“ScaleFactor”,“1 e 03”,…“NumericFormat”,' % 0.4 f ');