Patent ID: 9176830
Filing Date: 2015-11-03
Classification: G06F

Abstract:
1. A method for determining an error in a virtualization-based integrated control system, wherein the system includes a virtualization-based integrated controller virtualizing a physical micro controller unit (MCU) to create a plurality of virtual MCUs, and software type controllers respectively operating on the virtual MCUs, the method comprising: delivering a timer interrupt from the virtualization-based integrated controller to each software type controller; delivering a difference value, which is a difference between a counting value currently read from a timer and a counting value immediately previously read from the timer, from each software type controller to the virtualization-based integrated controller; and determining, by the virtualization-based integrated controller, whether an error occurs in any one of the software type controllers based on the difference value delivered from each software type controller, wherein the virtualization-based integrated controller further determines that any one of the software type controllers is loaded when the delivered difference value from the corresponding software type controller is received within a threshold interval.