Charge-flow adjustment in closed-loop exhaust temperature control on dual fuel engines

A system for controlling operation of a dual fuel engine, comprising:

• a sensor configured to measure an exhaust temperature;
• a processor in electrical communication with the sensor;
• and
• a non-transitory memory having instructions that, in response to execution by the processor, cause the processor to
• determine a target exhaust temperature;
• receive a measured exhaust temperature from the sensor;
• determine an exhaust temperature deviation by comparing the measured exhaust temperature to the target exhaust temperature;
• compare the exhaust temperature deviation to a threshold;
• adjust at least one of a diesel injection start of injection, a rail pressure, an intake throttle, a wastegate, a compressor bypass valve, an exhaust throttle, a variable geometry turbocharger and engine valve timing when the exhaust temperature deviation exceeds the threshold to control charge-flow to the engine;
• and
• repeatedly adjust until the exhaust temperature deviation is less than the threshold.