Abstract: The present disclosure provides methods, apparatuses, and systems for centralized storage devices. In some embodiments, an in-vehicle electronic system includes a centralized storage device, and an interface switch coupled to the centralized storage device through a first interface, coupled to at least one domain control unit (DCU) through a first vehicle communication interface, and coupled to at least one electronic control unit (ECU) through a second vehicle communication interface. The interface switch includes an interface circuit configured to communicate according to the first interface, and an interface converter configured to convert the first vehicle communication interface into the first interface and to convert the second vehicle communication interface into the first interface.

Abstract: In a data backup method of a storage device, environment information is received from at least one environmental sensor such that an operating environment in which the storage device is operating is monitored. An event detection signal is generated based on the environment information. In response to generating the event detection signal at least first data is immediately backed up to an external device located outside the storage device. The storage device includes a first port configured to be used to store the plurality of data in the storage device, and a second port different from the first port. In response to generating the event detection signal, the at least first data among the plurality of data are immediately output from the storage device through the second port.

Abstract: A power transmission system of a hybrid electric vehicle may include an engine being a power source, a torque transmission device including four rotation shafts and a compound planetary gear set, the torque transmission device converting torque input from the engine, and outputting a converted torque, two supplemental power sources respectively connected to two rotation shafts among the four rotation shafts of the torque transmission device and supplying generated torque to the torque transmission device, two friction members selectively connecting two rotation shafts among the four rotation shafts of the torque transmission device to a transmission housing, an output device outputting torque transmitted from the torque transmission device, and a final reducing device decelerating torque transmitted from the output device and outputting the decelerated torque through a differential apparatus.

Abstract: A charge depleting mode control apparatus of a plug-in hybrid vehicle includes a driving information detector, a mode determining unit, a shift-speed determining unit, a shift determining unit. The driving information detector detects driving information of a vehicle. The mode determining unit determines whether a charge depleting (CD) mode is entered by using a state of charge (SOC) of a battery provided from the driving information detector. The shift-speed determining unit determines a target shift-speed when the mode determining unit determines to enter the CD mode. The shift determining unit determines whether to change the shift-speed determined by the shift-speed determining unit. The shift-speed is determined by using transmission efficiency and motor efficiency when the plug-in hybrid vehicle drives in the CD mode, such that fuel consumption is reduced and performance is improved.

Abstract: A transmission system of a hybrid electric vehicle may include first and second motors/generators, a planetary gear set, a first output gear for the second motor/generator, a second output gear for an engine, an under drive first clutch, and an over drive second clutch, disposed on or coupled to an input shaft. A hollow shaft is configured at an outer circumference side of the input shaft to transmit accelerated power of the engine or power of the first motor/generator to the second output gear and an outer shaft at an outer circumference side of the hollow shaft to transmit power of the second motor/generator to the first output gear. The first and second clutches are adjacently disposed at an engine side on the input shaft, and selectively transmit each of rotational power of the input shaft and rotational power of the hollow shaft to the second output gear.

Abstract: A transmission system of a hybrid electric vehicle may include an input shaft connected to an engine, first and second motors/generators disposed on a transmission housing, a planetary gear set disposed on the input shaft and having three rotation elements, of which one rotation element is connected to the transmission housing, another rotation element is connected to the input shaft, and the other rotation element is connected to the first motor/generator and operated as an output element, a first output gear disposed on the input shaft without rotational interference therebetween and connected to the second motor/generator, a second output gear disposed on the input shaft without rotational interference therebetween, and a first clutch selectively connecting the second output gear to the input shaft.

Abstract: A power transmission system of a hybrid electric vehicle may include an input shaft receiving torque of an engine, a first planetary gear set having at least three rotation elements, a second planetary gear set having at least three rotation elements, a clutch selectively connecting two rotation elements among the at least three rotation elements of the second planetary gear set, a brake selectively connecting a rotation element of the second planetary gear set to the transmission housing, and an output gear connected to a second motor/generator and the a rotation element of the second planetary gear set.

Abstract: A transmission system of a hybrid electric vehicle may include first and second motor/generators, a planetary gear set, first and second output gears, and first and second clutches on an axis of an input shaft receiving torque of an engine in a transmission housing, a hollow shaft disposed at a radial exterior of the input shaft and adapted to transmit the torque of the engine or torque of the first motor/generator to the second output gear, an outer shaft disposed at a radial exterior of the hollow shaft and adapted to transmit torque of the second motor/generator to the first output gear, and a rear cover coupled to a rear end portion of the transmission housing, in which the planetary gear set includes a sun gear, a planet carrier and a ring gear as rotation elements thereof.

Abstract: A power transmission system of a hybrid electric vehicle may include an engine being a power source, a torque transmission device including four rotation shafts and a compound planetary gear set, the torque transmission device converting torque input from the engine, and outputting a converted torque, two supplemental power sources respectively connected to two rotation shafts among the four rotation shafts of the torque transmission device and supplying generated torque to the torque transmission device, two friction members selectively connecting two rotation shafts among the four rotation shafts of the torque transmission device to a transmission housing, an output device outputting torque transmitted from the torque transmission device, and a final reducing device decelerating torque transmitted from the output device and outputting the decelerated torque through a differential apparatus.

Abstract: A charge depleting mode control apparatus of a plug-in hybrid vehicle includes a driving information detector, a mode determining unit, a shift-speed determining unit, a shift determining unit. The driving information detector detects driving information of a vehicle. The mode determining unit determines whether a charge depleting (CD) mode is entered by using a state of charge (SOC) of a battery provided from the driving information detector. The shift-speed determining unit determines a target shift-speed when the mode determining unit determines to enter the CD mode. The shift determining unit determines whether to change the shift-speed determined by the shift-speed determining unit. The shift-speed is determined by using transmission efficiency and motor efficiency when the plug-in hybrid vehicle drives in the CD mode, such that fuel consumption is reduced and performance is improved.

Abstract: A power transmission system of a hybrid electric vehicle may include an input shaft receiving torque of an engine, a first planetary gear set having at least three rotation elements, a second planetary gear set having at least three rotation elements, a clutch selectively connecting two rotation elements among the at least three rotation elements of the second planetary gear set, a brake selectively connecting a rotation element of the second planetary gear set to the transmission housing, and an output gear connected to a second motor/generator and the a rotation element of the second planetary gear set.

Abstract: A transmission system of a hybrid electric vehicle may include an input shaft connected to an engine, first and second motors/generators disposed on a transmission housing, a planetary gear set disposed on the input shaft and having three rotation elements, of which one rotation element is connected to the transmission housing, another rotation element is connected to the input shaft, and the other rotation element is connected to the first motor/generator and operated as an output element, a first output gear disposed on the input shaft without rotational interference therebetween and connected to the second motor/generator, a second output gear disposed on the input shaft without rotational interference therebetween, and a first clutch selectively connecting the second output gear to the input shaft.

Abstract: A transmission system of a hybrid electric vehicle may include: an input shaft connected to an engine; first and second motor/generators disposed on a transmission housing; a first planetary gear set disposed on the input shaft and having three rotation elements, wherein one rotation element is connected to the transmission housing, another rotation element is connected to the first motor/generator, and the other rotation element is connected to the input shaft; a second planetary gear set disposed on the input shaft and having three rotation elements, wherein one rotation element is connected to the transmission housing, another rotation element is connected to the second motor/generator, and the other rotation element is operated as an output element; an output gear connected to the other rotation element of the second planetary gear set; and a first clutch selectively connecting the input shaft to the output gear.

Abstract: The apparatus may include an engine configured to supply a drive torque to the vehicle. A first motor generator directly connected to the engine and generates electric power and supplies the drive torque to a transmission. A clutch is interposed between the first motor generator and the transmission and selectively transmits rotational power between the first motor generator and the transmission. A second motor generator is electrically connected to the first motor generator and generates electric power and supplies the drive torque to the transmission at all times. A battery supplies the electric power to the first and second motor generators and is charged by the first and second motor generators.