1. Conductance model of light discharges for electric circuits modeling Jan Koprnicky, Ales Richter Department of Electrical Engineering, Faculty of Mechatronics Technical University of Liberec - Czech Republic

2. scheme of the problem G - model of discharge lamps in electric circuits Discharge lamps in electric circuits

3. scheme of the problem G-model of discharge lamps in electric circuits Data adjustmentMeasurementIdentification Parameters Discharge lamps in electric circuits

4. Measurement of the lamp u(t) and i(t) using of EMU2 measurement device of KEL TUL using of commercial devices – digital oscilloscopes frequency analyzers u(t) i(t) t t

5. in MATLAB environment Data adjustment - for identification process G(t) counting u(t), i(t), G(t) filtering waves shifting waves inverting u(t) i(t) t t shifting inverting

6. in MATLAB environment Identification G(t) differential equation using identification algorithm based on fminsearch() minimum of abs(g(meas)-g(count))

7. in MATLAB environment Example MB NET HID lamp measured circuit and its model parameters are in vector [a2 a1 b3 b2 b1 b0] in Lamp u(i) box

8. in MATLAB environment Waveforms of u(t) and i(t) measured simulated