Supercharged intercooler upstream temperature acquisition method and system

The invention discloses a supercharged intercooler upstream temperature acquisition method and system, and mainly relates to the technical field of diesel engines. Comprising the following steps: determining a new control strategy; collecting the input quantity required in the new control strategy; through simulink, a downstream temperature acquisition model of the supercharged intercooler is built for the new control strategy; and importing the input quantity acquired in the step S2 into the acquisition model in the step S3, and running simulation. The method has the beneficial effects that the upstream temperature value of the supercharged intercooler can be accurately obtained through simulation, and the cost of engine parts is reduced. 本发明公开了一种增压中冷器上游温度采集方法及系统，主要涉及柴油发动机技术领域。包括以下步骤：确定新的控制策略；采集新的控制策略中需要的输入量；通过simulink，针对新的控制策略搭建增压中冷器下游温度采集模型；将步骤S2中采集到的输入量导入S3的采集模型并运行仿真。本发明的有益效果在于：它能够通过仿真精确得到增压中冷器上游温度值，降低发动机零部件成本。