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You have to figure out what factors cause the change in delay and map them out. Instead of having a 1, 0, 199, 200 ms constant. Act1 has a 4-D map that comprises of temperature, pressure, time of day. Sensors will read all of those and the delay may vary from 0-1000 ms. So as all of those change the actuators all continue to work.
Designed properly you could "idle" your firewood and have it self relight. Obviously you have to design your system to be properly sized so that you don't waste time between operating states. If you built in weather forecast and properly modeled the heat losses in your house you could even have it predictively react to coming temperatures.
