Trixboxbeta - One stop solution for all your design problems

TRIXbox Tricks

www.controltrix.com

copyright 2011 controltrix corp www. controltrix.com

What do you feel when you design a
power control system?


Lost on where to start ?


Going nuts over
complex math
and conversion?


Stressed in managing Stringent
specifications …


Available digital power supply
simulation software …


Expensive to buy maintain and
upgrade…


Not Customizable…


Unusable
broken code…


Presenting TRIXbox – One stop
solution for all your design
problems


Advantages
Inclusive Cost Efficient Time Saving Flexible

• Workable and • Beta version free • Takes only a few • Web based
customizable end minutes to get a application
to end solution - complete
starting from solution without • No upgrades,
circuit much hit and try maintenance,
parameters installation,
downloads,
e
• Templates for licenses
quick solution
• Complete control
on your data


Salient Features
• Advanced techniques
• Supports 360 + permutations (topologies, control modes etc)
• Time and Frequency domain simulations
• Simulates many second order effects
• Automatic 16 bit fixed point code generation
• Ideal switch simulation proprietary algorithm
• Fast (compared to switched mode simulation)
• Accurate (compared to averaged model simulation)


Technical Information about
TRIXbox


Primary Topologies (more coming !!)
• Buck
• Synchronous Buck
• Push Pull
• Full Bridge DC-AC
• Full Bridge DC-DC
• Half bridge DC-AC
• Phase Shift Full Bridge
• Forward
• Half Bridge DC-DC
• Current fed push pull


Secondary Topologies
• Center Tap Rectifier
• Current Doubler Rectifier
• Center Tap Synchronous Rectifier
• Voltage Doubler Half Bridge Rectifier
• Full Bridge Rectifier


Types
• Voltage Source converter
• Current Source converter


Control Modes
• Voltage mode control
• Average Current mode control
• Peak Current mode control


Conduction Modes
• Continuous Conduction mode
• Discontinuous Conduction mode


Time Domain Simulation
• Time domain simulation requires external inputs :
• desired voltage/current
• Load profile/output voltage profile
• Input voltage/source profile


Second Order Effects
• Dead time
• Finite bandwidth of feedback network
• Finite bandwidth of drive
• Computational delays


Function Specification
• Any arbitrary input profile
• Automatic parabolic interpolation
• Raw time value data
• Discontinuities

• Predefined functions with parametric rep
• sine wave
• rectified sine wave
• square wave
• Triangle/Sawtooth wave
• constant


Frequency Domain Simulation
• Bode plot generation
• Open loop response (phase and gain margin)
• Closed loop response
• Disturbance rejection (Output impedance)
• Comparison of analog and digital systems
• Incorporates Computational delays
• Incorporates Sensor and feedback network bandwidth limitation


ADC Triggering
• Dynamic triggering
• Sampling and Measurement of feedback signals depend on the
instant at which signal is sampled
• User selectable/code based triggering


Automatic Code Generation
• Generates usable C code
• Calculation of gains and proper scaling
• 16 bit fixed point implementation
• Starting from ADC feedback to generation of PWM signal


User Code Mode
• Simulate your code with the system model in time domain
• Custom algorithm
• Variable PWM PERIOD, duty, Ton and Toff
• Peak current Ton reset
• Valley current period reset
• Individual settable min,max limits for PERIOD, Ton and Toff
• ADC triggering from code


On request optimized solution
• Buck Boost / flyback converter
• LLC series resonant converter
• Power Factor correction (Low Load THD specs)
• Motor drives


Using trixbox
• Login and register @ www.controltrix.com
• Click the Launch Now button to get started


Trixbox steps
Providing Inputs :
• Download sample files and unzip

• Modify .xlsx file as per hardware/topology config

• Save it as .csv(comma delimited) file

• Modify .txt file as per operating conditions (input voltage ,
load conditions, references, custom code )
• Upload the .csv and .txt files to get the outputs

• Refer to Trixbox guide for details


Inputs
• Any arbitrary waveforms are possible in addition to standard
waveforms (constant ,sinewave ,square wave etc.)
• Upload the files in top panel
(Refer to trixbox guide for details on parameters and examples)

Upload files
here
guide


Outputs
Viewing outputs:
Central scrollable panel -
Time and frequency domain plots
1. Output voltage with ripple content
2. Avg switch , inductor currents with ripple
3. Loop gain plots
4. Closed loop plots
5. Disturbance rejection/output impedance plots
(Frequency domain plots are invalid in user code mode)

Bottom scrollable panel-
Error log / sanity checks / possible problems


Sample time domainoutput files, guide download
Sample files,
output

Error/log/sanity
checks


Sample loop gain (frequency domain)


Auto code generation (std mode)
Right panel-
Automatically generated code files

1. Scaled parameters defs
2. C code generation for main control loops for fixed point 16 bit
processor with user defined trigger code
3. Primary and Secondary side modulation code

Plot data files in text files for analysis on local system


Sample code output


Coming up
• GUI wrapper to improve data input process
• Generation of frequency domain plots with change in
parameters by users


Thank You!
consulting@controltrix.com
Our Services

• Prompt response to queries on trixbox
support@controltrix.com

• Consulting services : Power and motor
drive control and dynamics, Embedded
Systems, Software Development, R&D
consulting@controltrix.com

• Technology services

Our mission is ‘to make control solutions easier”


Trixboxbeta - One stop solution for all your design problems

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