| 摘要 |
PROBLEM TO BE SOLVED: To sufficiently reduce test man-hours, in an adaptability test method for measuring an engine characteristic by an instrument requiring long-time measurement in order to acquired an accurate output. SOLUTION: A calculation value of the engine characteristic is calculated from a relational expression to a new value of a specific engine control parameter (step 104), and also a measurement value of the engine characteristic is measured by short-time measurement of an instrument to the new value of the specific engine control parameter (step 105). When a deviation between the calculation value and the measurement value is smaller than a set value, the measurement value is adopted as a value of the engine characteristic to the new value of the specific engine control parameter (step 109), and when the deviation is larger than the set value, a measurement value acquired by executing long-time measurement by elongating the short-time measurement of the instrument (step 107) is adopted as the value of the engine characteristic to the new value of the specific engine control parameter (step 108). COPYRIGHT: (C)2009,JPO&INPIT
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