ENGINE SERVO LOADING DEVICE AND CONTROL METHOD FOR DYNAMIC OPTIMIZATION SEARCHING OPERATION OF THE DEVICE

摘要

A dynamic optimization searching method for a torque servo loading device of an engine is disclosed, the torque servo loading device includes a motor, a torque servo driver, a primary control unit, and a mass flow sensor; the primary control unit stores therein an optimal efficiency operation curve of the engine and data of fuel consumption value per unit of mechanical power of the engine at each point on the curve; the method includes: detecting current operation parameters of the engine; making the engine operate according to the current optimal efficiency operation curve; changing the current optimal fuel efficiency torque by an optimization searching step to obtain an optimization searching torque; making the engine operate for an optimization searching measurement-calculation time period under the optimization searching torque; calculating the fuel consumption value per unit of mechanical power of the engine; comparing the calculated fuel consumption value per unit of mechanical power with a stored fuel consumption value per unit of mechanical power; and storing the optimization searching torque in the optimal efficiency operation curve, and storing the calculated fuel consumption value per unit of mechanical power, if the calculated fuel consumption value per unit of mechanical power is less than the stored fuel consumption value per unit of mechanical power.