{"id":1913,"date":"2022-11-16T10:32:00","date_gmt":"2022-11-16T02:32:00","guid":{"rendered":"https:\/\/www.tosunai.com\/?p=1913"},"modified":"2023-04-21T10:16:28","modified_gmt":"2023-04-21T02:16:28","slug":"tsmaster-xcptomat","status":"publish","type":"post","link":"https:\/\/www.tosunai.com\/en\/tsmaster-xcptomat\/","title":{"rendered":"Description of the mat file format output by the TSMaster XCP module"},"content":{"rendered":"
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Table of Contents for this article.<\/span><\/p>

I. mat variable format definition<\/span><\/p>

1. Fixed variable definition<\/span><\/p>

2. Time resolution method<\/span><\/p>

3. Time-correlated signal resolution methods<\/span><\/p>

4. build timeseries<\/span><\/p>

\u00a0<\/p>

II. Simulink Signal Playback<\/span><\/p>

1. Playback workspace variables in the model<\/span><\/p>

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I. mat variable format definition<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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The TSMaster XCP module supports direct output of compressed HDF5 format mat files (Matlab version 7.3 and above), which facilitates the development of Simulink-based models. mat files output by TSMaster are loaded into Matlab with the following workspace variables.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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1\u3001Fixed variable definition<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The list of fixed variables is as follows.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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1\u3001Time analysis method<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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First separate the time series and obtain all time axes.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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>The time series TIME_LIST string variable for the signal recorded in AN0001, for example, is as follows.

ecu1_TIME_DAQ_Cyclic,ecu1_TIME_DAQ_10_ms,ecu1_TIME_DAQ_100ms,ecu1 _TIME_POLL_noiseSignal,TIME_XCPSimBus__engine_speed

Each time axis array can be associated with one or a group of signals, and there are three types of time axes: DAQ time (one time axis contains one or a group of signals); Poll time (one time axis corresponds to one signal) and system variable time (one time axis corresponds to one signal).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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>The absolute time in seconds of each time axis can be extracted according to the name of each time axis array, as shown in ecu1_TIME_DAQ_100ms for example.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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3\u3001Signal analysis method of time correlation<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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>After obtaining the timeline, you need to obtain the list of signals associated with the timeline, and locate the signals according to their names in the list. Take ecu1_TIME_DAQ_100ms as an example, the corresponding signal list is stored in a comma-separated string variable named ecu1_TIME_DAQ_100ms_LIST, and the variable name rule is<\/p>

Timeline Name_LIST<\/p>

>Expand the string variable ecu1_TIME_DAQ_100ms_LIST in a comma-separated manner to get the name of the variable or group of variables corresponding to the timeline ecu1_TIME_DAQ_100ms, in this case, only one name.<\/p>

ecu1_triangleSignal<\/p>

>This variable name eventually leads to the signal array \"ecu1_triangleSignal\", where each element of the signal array corresponds in time to each element of the time signal array.<\/p>

>Right-click on this signal to plot the signal distribution by point (without time information), as shown in the following figure.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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4\u3001Build timeseries<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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>If you need to construct a sequence of signal values with time information, you need to execute an additional m-script to construct timeseris. Taking the signal ecu1_triangleSignal as an example, whose corresponding time axis is ecu1_TIME_DAQ_100ms, timeseries can be constructed by the following script.

Triangle_signal = timeseries(ecu1_triangleSignal, ecu1_TIME_DAQ_100ms)

>After the construction, a new signal \"Triangle_signal\" appears in the workspace.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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> Right click to plot its change curve, you can see that the horizontal and vertical coordinates are time and value respectively.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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II. Simulink Signal Playback<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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1. Playback workspace variables in the model<\/span><\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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There are several steps to play back the XCP signal in the model.

Open the Simulink module, double-click in the module margin and select \"FromWorkspace\".<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Change the name of the signal in Simulink to \"Triangle_signal\" according to the names of the timeseries, i.e., you can participate in the simulation and testing process of the algorithm related to the model.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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After connecting Scope, the simulation results are as follows.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\"Description\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

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