365 lines
14 KiB
Text
365 lines
14 KiB
Text
#### jet engine electrical system ####
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#### Syd Adams ####
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var count=0;
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var ammeter_ave = 0.0;
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var Lbus = props.globals.initNode("/systems/electrical/left-bus",0,"DOUBLE");
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var Rbus = props.globals.initNode("/systems/electrical/right-bus",0,"DOUBLE");
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var Amps = props.globals.initNode("/systems/electrical/amps",0,"DOUBLE");
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var EXT = props.globals.initNode("/controls/electric/external-power",0,"DOUBLE");
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var XTie = props.globals.initNode("/systems/electrical/xtie",0,"BOOL");
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var APUgen=props.globals.initNode("controls/electric/APU-generator",0,"BOOL");
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var extpwr=props.globals.initNode("controls/electric/external-power",0,"BOOL");
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var lbus_volts = 0.0;
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var rbus_volts = 0.0;
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var lbus_input=[];
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var lbus_output=[];
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var lbus_load=[];
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var rbus_input=[];
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var rbus_output=[];
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var rbus_load=[];
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var lights_input=[];
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var lights_output=[];
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var lights_load=[];
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var strobe_switch = props.globals.getNode("controls/lighting/strobe", 1);
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aircraft.light.new("controls/lighting/strobe-state", [0.05, 1.30], strobe_switch);
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var beacon_switch = props.globals.getNode("controls/lighting/beacon", 1);
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aircraft.light.new("controls/lighting/beacon-state", [0.05, 2.0], beacon_switch);
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#var battery = Battery.new(switch-prop,volts,amps,amp_hours,charge_percent,charge_amps);
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var Battery = {
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new : func(swtch,vlt,amp,hr,chp,cha){
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m = { parents : [Battery] };
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m.switch = props.globals.getNode(swtch,1);
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m.switch.setBoolValue(0);
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m.ideal_volts = vlt;
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m.ideal_amps = amp;
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m.amp_hours = hr;
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m.charge_percent = chp;
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m.charge_amps = cha;
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return m;
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},
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apply_load : func(load,dt) {
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if(me.switch.getValue()){
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var amphrs_used = load * dt / 3600.0;
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var percent_used = amphrs_used / me.amp_hours;
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me.charge_percent -= percent_used;
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if ( me.charge_percent < 0.0 ) {
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me.charge_percent = 0.0;
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} elsif ( me.charge_percent > 1.0 ) {
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me.charge_percent = 1.0;
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}
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var output =me.amp_hours * me.charge_percent;
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return output;
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}else return 0;
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},
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get_output_volts : func {
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if(me.switch.getValue()){
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var x = 1.0 - me.charge_percent;
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var tmp = -(3.0 * x - 1.0);
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var factor = (tmp*tmp*tmp*tmp*tmp + 32) / 32;
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var output =me.ideal_volts * factor;
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return output;
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}else return 0;
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},
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get_output_amps : func {
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if(me.switch.getValue()){
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var x = 1.0 - me.charge_percent;
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var tmp = -(3.0 * x - 1.0);
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var factor = (tmp*tmp*tmp*tmp*tmp + 32) / 32;
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var output =me.ideal_amps * factor;
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return output;
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}else return 0;
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}
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};
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# var alternator = Alternator.new(num,switch,gen_output,rpm_source,rpm_threshold,volts,amps);
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var Alternator = {
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new : func (num,switch,gen_output,src,thr,vlt,amp){
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m = { parents : [Alternator] };
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m.switch = props.globals.getNode(switch,1);
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m.switch.setBoolValue(0);
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m.meter = props.globals.getNode("systems/electrical/gen-load["~num~"]",1);
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m.meter.setDoubleValue(0);
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m.gen_output = props.globals.getNode(gen_output,1);
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m.gen_output.setDoubleValue(0);
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m.meter.setDoubleValue(0);
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m.rpm_source = props.globals.getNode(src,1);
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m.rpm_threshold = thr;
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m.ideal_volts = vlt;
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m.ideal_amps = amp;
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return m;
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},
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apply_load : func(load) {
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var cur_volt=me.gen_output.getValue();
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var cur_amp=me.meter.getValue();
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if(cur_volt >1){
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var factor=1/cur_volt;
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gout = (load * factor);
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if(gout>1)gout=1;
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}else{
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gout=0;
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}
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me.meter.setValue(gout);
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},
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get_output_volts : func {
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var out = 0;
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if(me.switch.getBoolValue()){
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var factor = me.rpm_source.getValue() / me.rpm_threshold or 0;
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if ( factor > 1.0 )factor = 1.0;
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var out = (me.ideal_volts * factor);
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}
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me.gen_output.setValue(out);
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return out;
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},
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get_output_amps : func {
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var ampout =0;
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if(me.switch.getBoolValue()){
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var factor = me.rpm_source.getValue() / me.rpm_threshold or 0;
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if ( factor > 1.0 ) {
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factor = 1.0;
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}
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ampout = me.ideal_amps * factor;
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}
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return ampout;
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}
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};
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var battery = Battery.new("/controls/electric/battery-switch",24,30,34,1.0,7.0);
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var alternator1 = Alternator.new(0,"controls/electric/engine[0]/generator","/engines/engine[0]/amp-v","/engines/engine[0]/n2",50.0,28.0,60.0);
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var alternator2 = Alternator.new(1,"controls/electric/engine[1]/generator","/engines/engine[1]/amp-v","/engines/engine[1]/n2",50.0,28.0,60.0);
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var alternator3 = Alternator.new(2,"controls/electric/APU-generator","/engines/apu/amp-v","/systems/apu/rpm",80.0,24.0,60.0);
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#####################################
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setlistener("/sim/signals/fdm-initialized", func {
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init_switches();
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settimer(update_electrical,5);
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print("Electrical System ... Done!");
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});
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var init_switches = func{
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var AVswitch=props.globals.initNode("controls/electric/avionics-switch",1,"BOOL");
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setprop("controls/lighting/instruments-norm",0.8);
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setprop("controls/lighting/engines-norm",0.8);
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props.globals.initNode("controls/electric/ammeter-switch",0,"BOOL");
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props.globals.getNode("systems/electrical/serviceable",0,"BOOL");
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props.globals.getNode("controls/electric/external-power",0,"BOOL");
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setprop("controls/lighting/instrument-lights-norm",0.8);
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setprop("controls/lighting/efis-norm",0.8);
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setprop("controls/lighting/panel-norm",0.8);
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append(lights_input,props.globals.initNode("controls/lighting/landing-light[0]",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/landing-light[0]",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/landing-light[1]",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/landing-light[1]",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/landing-light[2]",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/landing-light[2]",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/nav-lights",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/nav-lights",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/cabin-lights",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/cabin-lights",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/map-lights",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/map-lights",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/wing-lights",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/wing-lights",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/recog-lights",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/recog-lights",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/logo-lights",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/logo-lights",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/taxi-lights",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/taxi-lights",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/beacon-state/state",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/beacon",0,"DOUBLE"));
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append(lights_load,1);
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append(lights_input,props.globals.initNode("controls/lighting/strobe-state/state",0,"BOOL"));
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append(lights_output,props.globals.initNode("systems/electrical/outputs/strobe",0,"DOUBLE"));
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append(lights_load,1);
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append(rbus_input,props.globals.initNode("controls/electric/wiper-switch",0,"BOOL"));
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append(rbus_output,props.globals.initNode("systems/electrical/outputs/wiper",0,"DOUBLE"));
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append(rbus_load,1);
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append(rbus_input,props.globals.initNode("controls/engines/engine[0]/fuel-pump",0,"BOOL"));
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append(rbus_output,props.globals.initNode("systems/electrical/outputs/fuel-pump[0]",0,"DOUBLE"));
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append(rbus_load,1);
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append(rbus_input,props.globals.initNode("controls/engines/engine[1]/fuel-pump",0,"BOOL"));
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append(rbus_output,props.globals.initNode("systems/electrical/outputs/fuel-pump[1]",0,"DOUBLE"));
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append(rbus_load,1);
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append(rbus_input,props.globals.initNode("controls/engines/engine[0]/starter",0,"BOOL"));
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append(rbus_output,props.globals.initNode("systems/electrical/outputs/starter",0,"DOUBLE"));
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append(rbus_load,1);
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append(rbus_input,props.globals.initNode("controls/engines/engine[1]/starter",0,"BOOL"));
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append(rbus_output,props.globals.initNode("systems/electrical/outputs/starter[1]",0,"DOUBLE"));
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append(rbus_load,1);
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append(rbus_input,AVswitch);
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append(rbus_output,props.globals.initNode("systems/electrical/outputs/KNS80",0,"DOUBLE"));
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append(rbus_load,1);
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append(rbus_input,AVswitch);
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append(rbus_output,props.globals.initNode("systems/electrical/outputs/efis",0,"DOUBLE"));
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append(rbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/adf",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/dme",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/gps",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/DG",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/transponder",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/mk-viii",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/turn-coordinator",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/comm",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/comm[1]",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/nav",0,"DOUBLE"));
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append(lbus_load,1);
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append(lbus_input,AVswitch);
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append(lbus_output,props.globals.initNode("systems/electrical/outputs/nav[1]",0,"DOUBLE"));
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append(lbus_load,1);
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}
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update_virtual_bus = func( dt ) {
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var PWR = getprop("systems/electrical/serviceable");
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var xtie=0;
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load = 0.0;
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power_source = nil;
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if(count==0){
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var battery_volts = battery.get_output_volts();
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lbus_volts = battery_volts;
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power_source = "battery";
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if (extpwr.getValue() and getprop("velocities/groundspeed-kt") < 1)
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{
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power_source = "external";
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lbus_volts = 28;
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}
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elsif (APUgen.getValue())
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{
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power_source = "APU";
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var alternator3_volts = alternator3.get_output_volts();
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lbus_volts = alternator3_volts;
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}
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var alternator1_volts = alternator1.get_output_volts();
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if (alternator1_volts > lbus_volts) {
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lbus_volts = alternator1_volts;
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power_source = "alternator1";
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}
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lbus_volts *=PWR;
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Lbus.setValue(lbus_volts);
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load += lh_bus(lbus_volts);
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alternator1.apply_load(load);
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}else{
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var battery_volts = battery.get_output_volts();
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rbus_volts = battery_volts;
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power_source = "battery";
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if (extpwr.getValue() and getprop("velocities/groundspeed-kt") < 1)
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{
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power_source = "external";
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rbus_volts = 28;
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}
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elsif (APUgen.getValue())
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{
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power_source = "APU";
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var alternator3_volts = alternator3.get_output_volts();
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rbus_volts = alternator3_volts;
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}
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var alternator2_volts = alternator2.get_output_volts();
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if (alternator2_volts > rbus_volts) {
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rbus_volts = alternator2_volts;
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power_source = "alternator2";
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}
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rbus_volts *=PWR;
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Rbus.setValue(rbus_volts);
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load += rh_bus(rbus_volts);
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alternator2.apply_load(load);
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}
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count=1-count;
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if(rbus_volts > 5 and lbus_volts>5) xtie=1;
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XTie.setValue(xtie);
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if(rbus_volts > 5 or lbus_volts>5) load += lighting(24);
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ammeter = 0.0;
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return load;
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}
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rh_bus = func(bv) {
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var bus_volts = bv;
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var load = 0.0;
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var srvc = 0.0;
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for(var i=0; i<size(rbus_input); i+=1) {
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var srvc = rbus_input[i].getValue();
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load += rbus_load[i] * srvc;
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rbus_output[i].setValue(bus_volts * srvc);
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}
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return load;
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}
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lh_bus = func(bv) {
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var load = 0.0;
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var srvc = 0.0;
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for(var i=0; i<size(lbus_input); i+=1) {
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var srvc = lbus_input[i].getValue();
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load += lbus_load[i] * srvc;
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lbus_output[i].setValue(bv * srvc);
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}
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setprop("systems/electrical/outputs/flaps",bv);
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return load;
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}
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lighting = func(bv) {
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var load = 0.0;
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var srvc = 0.0;
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var ac=bv*4.29;
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for(var i=0; i<size(lights_input); i+=1) {
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var srvc = lights_input[i].getValue();
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load += lights_load[i] * srvc;
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lights_output[i].setValue(bv * srvc);
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}
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return load;
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}
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update_electrical = func {
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var scnd = getprop("sim/time/delta-sec");
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update_virtual_bus( scnd );
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}
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