| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an ignition control device capable of stabilizing a combustion speed in a spark ignition type internal combustion engine having at least two ignition plugs in a combustion chamber.SOLUTION: An ignition control device of a spark ignition type internal combustion engine having at least first and second ignition plugs comprises: calculation means for calculating a combustion ratio of fuel based on a combustion condition of the fuel ignited by the first ignition plug; and control means for executing ignition of the first and second ignition plugs, and concerning the ignition of the second ignition plug, executing the second ignition plug when the combustion ratio calculated by the calculation means after igniting the first ignition plug is lower than a predetermined criterion ratio.</p> |
