View difference between Paste ID: XH6h8wfX and uHsZuebb

 -- keeps reactor working efficiently at all times; increases power load when necessary, goes idle at 90% power until below 10%
 
 local function findPeripherals() --searches around for reactor so the computer doesn't have to be placed in a particular way
   local reactor,terminal --also searches for a terminal glasses terminal
   for k,v in pairs(rs.getSides()) do
     if (peripheral.getType(v) == "BigReactors-Reactor") then
       reactor = peripheral.wrap(v)
-      print(reactor)
+
       break
     elseif (peripheral.getType(v) == "openperipheral_glassesbridge") and (not terminal) then
       terminal = peripheral.wrap(v)
       print('terminal found!')
     end
   end
   return reactor, terminal
 end
 
 
 local reactor,terminal=findPeripherals()
 
-local deltaPower,curPower,oldPower,controlRodLevel,powerMode,secondsWorked=0,0,0,100,0,0
+local curPower,oldPower,controlRodLevel,powerMode,secondsWorked=0,0,100,0,0
 
-print(not reactor)
+local integral=0
 
 powerMode = reactor.getEnergyStored()<9000000
 
 local function reactorActivities()
   term.clear()
   secondsWorked=secondsWorked+1
   print('Yes, I am working. Total time: ' .. secondsWorked .. ' steps.')
   oldPower=curPower
   curPower=reactor.getEnergyStored()
-  controlRodLevel=controlRodLevel>100 and 100 or controlRodLevel<0 and 0 or controlRodLevel
+  if oldPower==0 then
     oldPower=curPower+(target*interval)
   end
   if curPower>9000000 then
     powerMode=false
   elseif curPower<1000000 then
     powerMode=true
-    deltaPower=curPower-oldPower
+
-    --let's add some derivative to this sos it doesn't go quite so slow at slower intervals
+
-    local deltaControlRodLevel=deltaPower<0 and math.floor(deltaPower/1000) or deltaPower>100 and math.ceil(deltaPower/1000) or 0
+    oldDeltaPower=deltaPower or 0
     deltaPower = curPower-oldPower
-	if curPower<10000 then
+    local curError = deltaPower-(target*interval)
-	 controlRodLevel=0
+    integral=integral+curError
     print('Error: ' .. curError)
     print('Integral: ' .. integral)
     local deltaControlRodLevel=(Kp*curError)+(Ki*integral)
 	if deltaControlRodLevel>50 or deltaControlRodLevel<-50 then
 	 if curError<target*10 and curError>-target*10 then
 	  Kp=Kp/2
 	 end
 	 if integral>100000 or integral<100000 then
 	  integral=0
 	 end
 	end
 	if deltaControlRodLevel>-1 and deltaControlRodLevel<1 then
 	 if curError>target*10 then
       Kp=Kp*1.5
 	 end
 	end
 	deltaControlRodLevel=deltaControlRodLevel<0 and math.ceil(deltaControlRodLevel) or deltaControlRodLevel>0 and math.floor(deltaControlRodLevel) or 0
     print('Control rod level change: ' .. deltaControlRodLevel)
     controlRodLevel = controlRodLevel+deltaControlRodLevel
     if controlRodLevel>100 or controlRodLevel<0 then
      integral=0
     end
-interval=tonumber(...)
+    controlRodLevel = controlRodLevel>100 and 100 or controlRodLevel<0 and 0 or controlRodLevel
     if curPower<10000 then
-if interval then
+     controlRodLevel=0
-    if interval<0.5 then
+     integral=0
-        interval=0.5
+
     print('Current control rod level: ' .. controlRodLevel)
-else
+
-    interval=2
+
     reactor.setAllControlRodLevels(100)
     print("Reactor's nearly full.")
     print("Current status: off.")
   end
 end
-  reactorActivities()
+
-  if terminal then
+
   terminal.clear()
   local wastePercent=reactor.getWasteAmount()/reactor.getFuelAmountMax()
   local fuelPercent=(reactor.getWasteAmount()+reactor.getFuelAmount())/reactor.getFuelAmountMax()
   terminal.addBox(5,5,100,10,0xcc0000,0.8)
   terminal.addBox(5,5,math.floor(curPower/100000),10,0x00cc00,0.8)
   terminal.addBox(105,5,10,100,0xcccccc,0.8)
   terminal.addBox(105,5,10,controlRodLevel,0x303030,0.8)
   terminal.addBox(5,20,100,10,0x303030,0.8)
   terminal.addBox(5,20,math.min(math.floor(100*fuelPercent),100),10,0xcccc00,0.8)
   terminal.addBox(5,20,math.min(math.floor(100*wastePercent),100),10,0x00cccc,0.8)
 end
 
 
 args = {...}
 
 interval = args[1] or 2
 target = args[2] or 100
 Kp=0.001
 Ki=0.0001
 
 interval=tonumber(interval)
 target=tonumber(target)
 
 if interval<0.5 then
     interval=0.5
 end
 
 while reactor.getConnected() do
   if interval then os.startTimer(interval) end
   local event = {os.pullEvent()}
   if event[1]=='timer' then
    reactorActivities()
    if terminal then
     terminalActivities()
    end
   end
 end