| 摘要 |
Control parameter (target opening) Xm is stored in a memory and the Xm value stored in the memory is used instead of a PBR value to calculate a deviation S value by a conventional control system. Change amount DELTA Xm of a first-order lag is found in response to the S value and the Xm value is corrected. The corrected Xm value is stored in the memory to update the memory contents and is transmitted to an air mix door actuator as a command value.
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