Analog Computer Simulation of a DC Arc Emission Spectrometer Control System to Define Requirements for Optimum Control |
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30 amperes Ag emission intensity AgCl ANALOG COMPUTER SIMULATION analog simulation approximate arc and control arc anode arc control system arc electrodes arc emission process arc function arc instabilities arc temperature argon stabilized dc cathode computer model control gain parameters control unit control voltage current changes curve DC ARC EMISSION derivative gain described electrometer amplifier element emission line emission intensity output equation experimental data first-order Function f(t function V₁(i hertz integral gain K₁ K₂ Lewis Research Center linear model and real Model response NASA natural profile noise disturbances noise pulses applied obtained Operational amplifier overshoot percent is achieved photomultiplier plasma potentiometer programmed input proportional gain real system responses response to noise result Sample Vaporization sec Figure shown in figure silver chloride Silver emission intensity spectral line spectrochemical analysis stabilized dc arc stable control stable operation static argon stabilized steady-state thyratron current time-varying transient response V₁ V₁(t V₂ waveform ΚΩ