/// <summary>
/// 删除测试数据
/// </summary>
public void DeleteTableItem()
{
lock (lockObject)
{
if (IsMeasuring)
{
return;
}
}
if (TalbleIndex < 0)
{
return;
}
VoltageTable.RemoveAt(TalbleIndex);
SystemParamManager.SystemParam.InputOutputMeasureParams.VoltageTable = new ObservableCollection <VoltageTable>(VoltageTable);
SystemParamManager.SaveParams();
}
/// <summary>
/// 插入测试数据
/// </summary>
public void InsertTableItem()
{
lock (lockObject)
{
if (IsMeasuring)
{
return;
}
}
if (TalbleIndex < 0)
{
return;
}
VoltageTable.Insert(TalbleIndex, new AnalogSignalAnalysisWpf.VoltageTable());
SystemParamManager.SystemParam.InputOutputMeasureParams.VoltageTable = new ObservableCollection <VoltageTable>(VoltageTable);
SystemParamManager.SaveParams();
}
/// <summary>
/// 启动
/// </summary>
public void Start()
{
lock (lockObject)
{
if (IsMeasuring)
{
return;
}
}
if ((TestDatas == null) || (TestDatas.Count == 0))
{
RunningStatus = "运行数据无效";
return;
}
if (!IsHardwareValid)
{
RunningStatus = "硬件无效";
return;
}
RunningStatus = "运行中";
SystemParamManager.SystemParam.FrequencyMeasureParams.TestDatas = TestDatas;
SystemParamManager.SaveParams();
//复位示波器设置
Scope.Disconnect();
Scope.Connect();
Scope.CHAScale = SystemParamManager.SystemParam.GlobalParam.Scale;
Scope.SampleRate = SystemParamManager.SystemParam.GlobalParam.SampleRate;
Scope.CHAVoltageDIV = SystemParamManager.SystemParam.GlobalParam.VoltageDIV;
PLC.PWMSwitch = true;
PLC.FlowSwitch = false;
Thread.Sleep(SystemParamManager.SystemParam.GlobalParam.PowerCommonDelay);
MeasurementInfos = new ObservableCollection <FrequencyMeasurementInfo>();
OnMeasurementStarted();
measureThread = new Thread(() =>
{
lock (lockObject)
{
IsMeasuring = true;
}
MaxFrequency = -1;
int lastFrequency = -1;
//设置频率
PWM.Frequency = 0;
PWM.DutyRatio = DutyRatio;
//使能Power输出
Power.Voltage = OutputVoltage;
Power.IsEnableOutput = true;
foreach (var item in TestDatas)
{
//设置PWM频率
PWM.Frequency = item.Frequency;
Thread.Sleep(SystemParamManager.SystemParam.GlobalParam.PowerCommonDelay);
//设置Scope采集时长
Scope.SampleTime = item.SampleTime;
//读取Scope数据
double[] originalData;
Scope.ReadDataBlock(0, out originalData);
if ((originalData == null) || (originalData.Length == 0))
{
//测试失败
OnMessageRaised(MessageLevel.Warning, $"F: ReadDataBlock Fail");
OnMeasurementCompleted(new FrequencyMeasurementCompletedEventArgs(false));
return;
}
//数据滤波
double[] filterData;
Analysis.MeanFilter(originalData, VoltageFilterCount, out filterData);
//电压转气压
double[] pressureData = filterData.ToList().ConvertAll(x => VoltageToPressure(x)).ToArray();
//阈值查找边沿
List <int> edgeIndexs;
DigitEdgeType digitEdgeType;
Analysis.FindEdgeByThreshold(pressureData, MinPressure, MaxPressure, out edgeIndexs, out digitEdgeType);
//显示波形
ShowEdgeData(pressureData, edgeIndexs, digitEdgeType);
//分析脉冲数据
List <double> pulseFrequencies;
List <double> dutyRatios;
Analysis.AnalysePulseData(edgeIndexs, digitEdgeType, (int)Scope.SampleRate, out pulseFrequencies, out dutyRatios);
//显示分析结果
CurrentInputFrequency = item.Frequency;
CurrentSampleTime = item.SampleTime;
//显示测量信息
ShowMeasureInfos(CurrentInputFrequency, CurrentSampleTime, pulseFrequencies, ScopeCHACollection, ScopeCHAEdgeCollection);
if (pulseFrequencies.Count > 0)
{
//检测脉冲是否异常
double minFrequency = item.Frequency * (1 - FrequencyErrLimit);
double maxFrequency = item.Frequency * (1 + FrequencyErrLimit);
if (!Analysis.CheckFrequency(pulseFrequencies, minFrequency, maxFrequency, 0))
{
if (lastFrequency != -1)
{
//测试完成
OnMessageRaised(MessageLevel.Message, $"F: Success, max = {lastFrequency}");
OnMeasurementCompleted(new FrequencyMeasurementCompletedEventArgs(true, lastFrequency));
}
else
{
//测试失败
OnMessageRaised(MessageLevel.Warning, $"F: Fail");
OnMeasurementCompleted(new FrequencyMeasurementCompletedEventArgs(false));
}
return;
}
else
{
lastFrequency = item.Frequency;
}
}
else
{
if (lastFrequency != -1)
{
//测试完成
OnMessageRaised(MessageLevel.Message, $"F: Success, max = {lastFrequency}");
OnMeasurementCompleted(new FrequencyMeasurementCompletedEventArgs(true, lastFrequency));
}
else
{
//测试失败
OnMessageRaised(MessageLevel.Warning, $"F: Fail");
OnMeasurementCompleted(new FrequencyMeasurementCompletedEventArgs(false));
}
return;
}
}
if (lastFrequency != -1)
{
//测试完成
OnMessageRaised(MessageLevel.Message, $"F: Success, max = {lastFrequency}");
OnMeasurementCompleted(new FrequencyMeasurementCompletedEventArgs(true, lastFrequency));
}
else
{
//测试失败
OnMessageRaised(MessageLevel.Warning, $"F: Fail");
OnMeasurementCompleted(new FrequencyMeasurementCompletedEventArgs(false));
}
});
measureThread.Start();
}
/// <summary>
/// 保存测试数据
/// </summary>
public void SaveTestDatas()
{
SystemParamManager.SystemParam.FrequencyMeasureParams.TestDatas = TestDatas;
SystemParamManager.SaveParams();
}
/// <summary>
/// 保存测试数据
/// </summary>
public void SaveTable()
{
SystemParamManager.SystemParam.InputOutputMeasureParams.VoltageTable = new ObservableCollection <VoltageTable>(VoltageTable);
SystemParamManager.SaveParams();
}