Time steps for random generator in simulink

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richard
richard 2014-9-21
回答： Azzi Abdelmalek 2014-9-21
I am using a repeating sequence to generate a triangle wave for PWM in Simulink.
In specifying the time values for the repeating sequence, when I use values such as: [0 0.00005 0.0001] (corresponding to a 10kHz waveform), the waveform looks fine.
When I use a smaller time value of: [0 0.000005 0.00001] (corresponding to a 100kHz waveform), the waveform looks all distorted.
How can I "set" the timestep in the simulation, so that the triangle wave is not distorted?

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Azzi Abdelmalek
Azzi Abdelmalek 2014-9-21
In model configuration parameter, choose your solver type to fixed step, and just below set your your fundamental sample time. http://www.mathworks.com/help/simulink/ug/choosing-a-solver.html#f11-41982

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