A POWER MANAGEMENT SYSTEM AND THE METHOD FOR MOBILE EMBEDDED SYSTEM

摘要

PURPOSE: A power management system and a method for mobile embedded system are provided to manage the electric power by scheduling the mobile embedded system in consideration of the power on/off of devices. CONSTITUTION: A task scheduling unit(120) partitions tasks into plural jobs, and schedules the jobs of tasks so that the same device is used in the range which is not exceeding the deadline. The information collecting unit(110) stores the study information for the power consumption and devices, and offers the study information to the task scheduling unit. A voltage and power management unit(130) controls voltage in consideration of the electricity of the device and processing speed of the processor, and activates the device to the power saving mode.