Matlab R2013b License File Crack
Celena Holtzberg
I am new to TI DSPs and find learning and programming pretty tedious and difficult. I'm trying to control 3 phase inverters (6 switches - for IM and PM machines) and also 2 phase switching legs with varying duty cycles and phase shifts (for power converters) using suitable PWM signals on the TMS320F28335 Delfino microcontroller with the Peripheral Explorer c2000 board.
I have configured matlab to do this since I still have major problems with coding. I've also tried SIMCODER (PowerSim), but in this program, the provision to change the switching frequency of the PWM as an input from the ADC is not available. Also, even without using the switching frequency variation, SIMCODER has problems in creating a sinusoidally modulated PWM signal.
1. Does anyone have any suggestions about software other than PSIM and MATLAB which can do this easily, without the need to code and also to be able to see the simulation of the whole system with the micro.. in the loop, so to speak.
2. Can anyone share a basic project with code (in CCS V5 - that actually works!) to achieve these functions for the ePWM module, so that I can get an idea of things.. even one properly configured PWM pair will do, I can edit the code from there. It's a bigger problem to write from scratch without any prior experience. Right now I've tried to write code a few times, but I'm not comfortable with the coding environment and it takes a lot of time to get it right. I'm not sure I'll ever be able to do it on my own. I use CCS5 with XDS 100V2 and control suite and a blackhawk emulator, but I don't particularly understand all of it in a high degree of detail
It would also be a great help if anyone could tell me if there is a "simulator" for the TMS320F28335.. a program which could show me what the board will do - at the pins and the LEDs etc. when a certain .out file is uploaded onto it.
Devraj Dutt said:1. Does anyone have any suggestions about software other than PSIM and MATLAB which can do this easily, without the need to code and also to be able to see the simulation of the whole system with the micro.. in the loop, so to speak.
There are no other softwares other than MATLAB for automated code generation. Also, Matlab has complete support only for CCS v3.3 which is not even available now. My suggestion would be to go for core coding techniques for C2000 family. This will ensure you to have complete control over peripherals like ePWMs and ADCs.
Devraj Dutt said:2. Can anyone share a basic project with code (in CCS V5 - that actually works!) to achieve these functions for the ePWM module, so that I can get an idea of things.. even one properly configured PWM pair will do, I can edit the code from there. It's a bigger problem to write from scratch without any prior experience. Right now I've tried to write code a few times, but I'm not comfortable with the coding environment and it takes a lot of time to get it right. I'm not sure I'll ever be able to do it on my own. I use CCS5 with XDS 100V2 and control suite and a blackhawk emulator, but I don't particularly understand all of it in a high degree of detail
Devraj Dutt said:It would also be a great help if anyone could tell me if there is a "simulator" for the TMS320F28335.. a program which could show me what the board will do - at the pins and the LEDs etc. when a certain .out file is uploaded onto it.
Thanks, Dave, for offering to write to the resident of PSIM, but I'm not really sure how that will go! PSIM is brilliant for simulations, as you said. It simulates my PWM switching signals (with microcontroller), a 3 phase inverter bridge receiving those signals (connected to a DC bus) and the electric machine itself, fed from the legs of this bridge perfectly. However, for code generation, it messes up. I want to change the frequency and amplitude of the sinusoidal carrier using the ADCs on the peripheral explorer, but with PSIM code, the ADC conversion is not correct since I get modulated values only at certain positions of the potentiometer and at some other points, I get no modulation at all. I haven't tried VisSim, but I don't think my university has a license and getting a license is going to be too complicated. This is the first time I have met someone who uses it.
Gautam, other than MATLAB, the program called PSIM's capabilities are pretty cool. I recommend you try it at some point. For more simpler code generation, it works very well. Thanks for you comments and the student guide, though. I have the teaching guide from TI and it is pretty cool as well. The only problem being that you actually need to code and not export from a simulation.
In the end, I did write c code to do what I need to, but thank you, for trying to help! I earlier wrote that I would post the code, but on second thought, I prefer to email someone directly in case anyone needs it!
With regard to VisSim, you can download a full featured version for 60 days for free that does code-gen. This might be enough for your needs. Visual Solutions (which is the parent company behind VisSim) was recently acquired by Altair. I know they are pretty university-friendly, so it might be easier than you think to get a license at your university. I really think it would be in the best interest of your university to investigate this. "Model-to-code" is the wave of the future. I think it will eventually do to C coding what C coding did to assembler.
Hi,
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2.92 to 2.93: Added new function 'normalize_cols' and corresponding GUI dialog 'ui_normalizecols' for normalizing a data set by merging multiple columns to form combined parameter name and parameter value columns with records in other specified columns repeated for each group of parameters (i.e. converts a dataset with repeating groups to a normalized database table). Note that this function complements 'split_dataseries' (and 'ui_splitseries'), which generates individual columns from normalized parameter name, parameter value columns.
2.83 to 2.90: Major enhancements to statistical functions and dialogs to support more flexible assignment of Q/C rules for derived data columns ('aggr_stats', 'ui_aggrstats', 'aggr_datetime', 'ui_aggrdatetime', 'aggr_bindata', 'ui_bindata'). Multiple rule sets can now be specified to flag derived values based on number or percentage of flagged and/or missing values in the source data; therefore, multiple thresholds can be defined for flagging statistics derived from incomplete or flagged source data (e.g. flag as Q if >5% missing values, flag as I if >25% missing values, ...).
2.82 to 2.83: Performance enhancements to 'dataflag' and minor modification to 'aggr_data' to prepend 'Total_' instead of 'Sum_' to column names for aggregate totals for compatibility with attribute name conventions used in ClimDB and elsewhere (also made corresponding name mapping changes to several metadata templates and the 'exp_climdb.mat' conversion mappings)
2.63c to 2.70: Bug fix in 'ui_harvestclimdb' to properly enable the 'Proceed' button after all fields are filled in when the dialog is run for the first time without a saved settings file. Significant enhancements and new features, including:
2.63b to 2.63c: Minor bug fixes and refinements to 'imp_ascii' to prevent problems parsing ClimDB information files; changes to Q/C rules for generated date component columns in 'add_datepartcols' to improve flagging logic; enhancements to 'ui_visual_qc' to support closing all plotting dialogs after manually-updating QA/QC flags (i.e. closing dialogs containing cached copies of the outdated structure); updates to USGS metadata templates to remove duplicate attribute metadata references; bug fixes in polygon editing functions in mapping tools 'edit_poly' and 'poly_mgr'
2.62 to 2.63: Modifications to USGS data processing functions ('parse_usgs', 'fetch_usgs', 'ui_harvestusgs') and metadata templates to accommodate revised format of daily data provided by the USGS NWIS web applications (i.e. flagging of all data values as accepted (_A) or provisional (_P) in addition to other flags such as _e for estimated value, etc). Note that accepted flags are automatically removed from processed data for compatibility with the GCE Data Toolbox Q/C flagging scheme, and provisional value flags are also removed but a coded 'Provisional' column is added to indicate that records contain values flagged as provisional by USGS. Other flags (e.g. 'e' for estimated value) are converted to text flag columns and are automatically merged with rule-based flags assigned by attribute Q/C criteria.
2.51 to 2.51: bug fix in 'ui_qcflags' to prevent problems entering custom QA/QC flag criteria; enhancements to 'ui_editor' and 'ui_search_data' to automatically reload the startup dialog upon exit if no other windows are open (i.e. so users will not have to use the command line or restart MATLAB to restore the startup dialog)
2.41 to 2.41: minor bug fixes; addition of function 'interp_missing' for interpolation of missing values in time series data with automatic flagging of interpolated values as 'E' = estimated, and user-specified limits on how many consecutive values to interpolate; addition of commands to the data set editor ('ui_editor') 'Edit' menu for deletion of empty records (i.e. deletion of records with all columns empty or all data columns empty)
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