Abstract: An apparatus includes: a storing device including regions allocated to virtual machines (VMs); a processing device executing the VMs; a relay device executing a relaying process; and a transfer processor transferring data between the regions. The processing device stores a first and second numbers associated with a used entry among first entries allocated to the transfer processor and a used entry among second entries allocated to the relay device, respectively, the first and second numbers being included in numbers associated with entries of a reception buffer in a first region allocated to a first VM; and sets a smaller first and second numbers in the processing device to a number being set in the first region and representing an entry of data read from the reception buffer.

Abstract: An apparatus includes: a storing device including storing regions allocated to virtual machines; a processing device being connected to the storing device and executing the virtual machines; a relay device being connected to the processing device and executing a relaying process serving as a virtual switch that connects virtual machines to one another; and a transfer processor that forwards data between storing regions. The processing device determines whether a header of transmission target data being stored in a first storing region among the storing regions satisfies a given condition. When the header satisfies the given condition, the transfer processor forwards the transmission target data from the first to a second storing region serving as a destination of the transmission target data through a path not being used for the relaying process performed by the relay device.

Abstract: PWM control of first and second inverters that control a double-winding type rotating electric machine is performed with mode switching between asynchronous PWM and synchronous PWM. A first-group triangular wave used for the PWM control of the first inverter is switched from the asynchronous PWM to the synchronous PWM in first timing at which carrier phases of an asynchronous PWM triangular wave and a synchronous triangular wave are matched with each other. A second-group of triangular wave used for the PWM control of the second inverter is switched from the asynchronous PWM to the synchronous PWM in second timing at which the carrier phases of the asynchronous PWM triangular wave and the synchronous triangular wave are matched with each other.

Abstract: PWM control of first and second inverters that control a double-winding type rotating electric machine is performed with mode switching between asynchronous PWM and synchronous PWM. A first-group triangular wave used for the PWM control of the first inverter is switched from the asynchronous PWM to the synchronous PWM in first timing at which carrier phases of an asynchronous PWM triangular wave and a synchronous triangular wave are matched with each other. A second-group of triangular wave used for the PWM control of the second inverter is switched from the asynchronous PWM to the synchronous PWM in second timing at which the carrier phases of the asynchronous PWM triangular wave and the synchronous triangular wave are matched with each other.

Abstract: A data transmitting device includes: a judge code generating portion for transmitting a plurality of times a predefined code pattern indicating a head portion of transmission data, as a judge code; a start code generating portion for transmitting at least once a start code having a predefined code pattern different from the judge code, following the judge code; and a valid data generating portion for transmitting valid data, following the start code. After receiving the judge code for a predetermined number of times that is less by at least one than the number of times that the judge code is transmitted, a data receiving device enters a standby state for receiving the start code, and, after receiving the start code, receives the valid data.

Abstract: A data transmitting device includes: a judge code generating portion for transmitting a plurality of times a predefined code pattern indicating a head portion of transmission data, as a judge code; a start code generating portion for transmitting at least once a start code having a predefined code pattern different from the judge code, following the judge code; and a valid data generating portion for transmitting valid data, following the start code. After receiving the judge code for a predetermined number of times that is less by at least one than the number of times that the judge code is transmitted, a data receiving device enters a standby state for receiving the start code, and, after receiving the start code, receives the valid data.