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TASK ALLOCATABLE TIME DECIDING DEVICE AND TASK ALLOCATABLE TIME DECIDING METHOD
TASK ALLOCATABLE TIME DECIDING DEVICE AND TASK ALLOCATABLE TIME DECIDING METHOD
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机译:任务可分配时间确定设备和任务可分配时间确定方法
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摘要
PROBLEM TO BE SOLVED: To predetermine the allocatable time of respective tasks in real time scheduling and to reduce man-hours required for scheduling evaluation and task correction.;SOLUTION: A task allocatable time decision part 130 inputs the cycle 101 of the task and the load ratio 102 of the respective tasks to the performance time of all the tasks from a task information storage part 100 and decides task allocatable time. A task generation number-of-times calculation part 131 calculates the number of times of task generation within the least common multiple of the cycle and an performance time ratio calculation part 132 calculates the performance time ratio of the respective tasks to the performance time of a certain task on the basis of the number of times of the task generation. A schedulable condition calculation part 133 calculates a conditional formula to be schedulable on the basis of the cycle. A task allocatable time calculation part 134 calculates the allocatable time of the task to be schedulable from the conditional formula and the performance time ratio and outputs it to an allocatable time display part 140.;COPYRIGHT: (C)2003,JPO
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