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TECHNIQUES FOR COORDINATED VARIABLE VALVE TIMING AND ELECTRONIC THROTTLE CONTROL
TECHNIQUES FOR COORDINATED VARIABLE VALVE TIMING AND ELECTRONIC THROTTLE CONTROL
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机译:协调的可变气门正时和电子节气门控制技术
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摘要
A method can include determining, at a controller for an engine, the controller having one or more processors, a desired air-per-cylinder (APC) for the engine based on an engine torque request. The method can include determining, at the controller, a target intake manifold absolute pressure (MAP) based on a volumetric efficiency of the engine for electronic throttle control (ETC), wherein the volumetric efficiency for ETC is based on the desired APC and an actual MAP. The method can include commanding, by the controller, a throttle of the engine to deliver the target MAP. The method can include determining, at the controller, a target position for an intake valve of the engine based on a volumetric efficiency of the engine for variable valve timing (VVT), engine speed, and the actual MAP. The method can also include commanding, by the controller, the intake valve to the target position.
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