A rotary machine fixture couples a first rotary machine to a second rotary machine and fixes the first rotary machine and the second rotary machine to a work vehicle. A hydraulic pump drive assembly to supply hydraulic fluid for a work vehicle includes an electric machine configured to convert electrical energy from an electrical supply line to rotary motion, a hydraulic pump configured to circulate the hydraulic fluid through a hydraulic supply line from the rotary motion of the electric machine, a fixture having a first rotary machine interface configured to mount the electric machine to the fixture, a second rotary machine interface configured to mount the hydraulic pump to the fixture, and a work vehicle interface configured to mount the fixture to the work vehicle such that the hydraulic pump and the electric machine are fixed to the work vehicle through the fixture.

A device is configured to receive, from a controller, an instruction requesting data for the device and determine a comparison result value based on a comparison of the data for the device and a reference value. The device is further configured to determine whether to respond to the instruction based on the comparison result value and, in response to a determination to respond to the instruction, output, to the controller, the comparison result value, wherein, to output the comparison result value, the device is configured to refrain from outputting the data for the device.

A power control system for a vehicle includes a precharge circuit that is configured to selectively couple a resistor across either a main or return contactor that are configured to selectively couple terminals of a battery to a load bus. The power control system includes a controller programmed to, in response to a precharge request in a presence of the main contactor being closed when commanded to open and the return contactor being open, couple the resistor across the return contactor to precharge the load bus.

A battery management system that uses a multiple particle reduced order model to manage battery performance of a vehicle, such as an electric vehicle or hybrid electric vehicle is provided. The system can receive a value of a current output and determine, via a multi-particle model, a local current distribution that converges. The system can determine, via the multi-particle model and subsequent to determination of the local current distribution that converges, a concentration distribution. The system can determine, based on the local current distribution, a value of a voltage of the battery. The system can determine, based on the value of the voltage of the battery and the concentration distribution, a temperature of the battery. The system can generate, based on the value of the voltage of the battery or the temperature of the battery, a command to manage a performance of the battery.

A semiconductor device may include a semiconductor module, a busbar, and a connection member. The semiconductor module may include a semiconductor element and a power terminal connected to the semiconductor element. The power terminal of the semiconductor module may be connected to the busbar via the connection member. A fusing current of the connection member may be smaller than each of fusing currents of the power terminal and the busbar.

A hybrid driving apparatus is provided which enables a driver to sufficiently enjoy a driving feeling of a vehicle driven by an internal combustion engine. A hybrid driving apparatus includes an internal combustion engine that drive main driving wheels, a motive power transmission mechanism transmitting a driving force to the main driving wheels, a main driving electric motor driving the main driving wheels, an accumulator, sub-driving electric motors transmitting motive power to sub-driving wheels of the vehicle, and a control apparatus executing an electric motor traveling mode and an internal combustion engine traveling mode. The control apparatus causes the internal combustion engine to generate the driving force, the internal combustion engine is a flywheel-less engine, and the control apparatus causes the main driving electric motor to generate a torque for maintaining idling of the internal combustion engine in the internal combustion engine traveling mode.

Provided is a battery charging system, comprising (a) at least one charging circuit to charge at least one rechargeable battery cell; and (b) a heating device to provide heat that is transported through a heat spreader element, implemented fully outside the battery cell, to heat up the battery cell to a desired temperature Tc before or during battery charging. The system may further comprise (c) a cooling device in thermal contact with the heat spreader element configured to enable transporting internal heat of the battery cell through the heat spreader element to the cooling device when the battery cell is discharged. Charging the battery at Tc enables completion of the charging of the battery in less than 15 minutes, typically less than 10 minutes, and more typically less than 5 minutes without adversely impacting the battery structure and performance. Also provided is a battery module or pack working with such a system.

A power module for a vehicle includes a first bidirectional voltage converter to convert a first voltage to a second voltage and convert the second voltage back to the first voltage. The power module includes a second bidirectional voltage converter to convert the first voltage to a third voltage and convert the third voltage back to the first voltage. The power module includes a first battery coupled to the first bidirectional voltage converter to receive the second voltage, and a second battery coupled to the second bidirectional voltage converter to receive the third voltage. The power module includes a controller to control the first and second bidirectional voltage converters and the first and second batteries. The first voltage is for supplying power to a powertrain of the vehicle. The second voltage and the third voltage are for supplying power to the first and second batteries, respectively.

A power module for a vehicle includes a first bidirectional voltage converter to convert a first voltage to a second voltage and convert the second voltage back to the first voltage. The power module includes a second bidirectional voltage converter to convert the first voltage to a third voltage and convert the third voltage back to the first voltage. The power module includes a first battery coupled to the first bidirectional voltage converter to receive the second voltage, and a second battery coupled to the second bidirectional voltage converter to receive the third voltage. The power module includes a controller to control the first and second bidirectional voltage converters and the first and second batteries. The first voltage is for supplying power to a powertrain of the vehicle. The second voltage and the third voltage are for supplying power to the first and second batteries, respectively.

A vehicle high-voltage system equipment unit includes a high-voltage system equipment, and a cooling fan for taking in air from a passenger compartment. The high-voltage system equipment is cooled with air taken in from the passenger compartment, the cooling fan is provided on an upstream side of the high-voltage system equipment, and an air discharge portion is provided on a downstream side of the high-voltage system equipment, a branch portion for dividing a flow of air used to cool the high-voltage system equipment is provided in the air discharge portion, an air flow regulating portion is provided on an upstream side of the branch portion, and the air flow regulating portion is formed integrally with the high-voltage system equipment.