Help in proteus for Sensorless control for BLDC Motor

Projects Programming
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Dear all,

I hope you are doing well.

I try to simulate Zero crossing back EMF control for BLDC Motor using proteus.

but there is an error as shown
[SPICE] singular matrix: check node #G0000001E#branch.
[SPICE] singular matrix: check node #G0000001E#branch.
[SPICE] Gmin step [0 of 120] failed: GMIN=0.001
[SPICE] singular matrix: check node #G0000001E#branch.
[SPICE] Gmin stepping failed
[SPICE] singular matrix: check node #G0000001E#branch.
[SPICE] Source step [0 of 120] failed: source factor = 0.0000
[SPICE] (null).
Real Time Simulation failed to start.

please check my code and proteus file.

sketch_jan29aDRIVER.ino (9.6 KB)

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You might be better of in a forum specific to Proteus. Google search: https://www.google.com/search?q=proteus+forum