A method for autonomously controlling electric power supplied to a thruster of a spacecraft during electric orbit raising includes determining a state of charge of a battery onboard the spacecraft at an entry into an eclipse during each orbit of a plurality of orbits during the electric orbit raising of the spacecraft. The method also includes determining an electric power level used to fire each thruster of a plurality of thrusters during each orbit beginning after the eclipse, based at least on the state of charge of the battery, and that will provide a shortest electric orbit raising duration and minimize thruster propellant usage during electric orbit raising.

During shift control of a transmission mechanism, a hybrid drive device computes the amount of change in input torque (deTr) acting on the transmission mechanism and an input torque change time (t15), and controls a motor so that motor torque is changed by the amount of change in input torque (deTr), when the motor can change the amount of change in input torque (deTr), and outputs, when the motor cannot change the amount of change in input torque (deTr), an engine torque signal (Tesig1) at an engine torque change time (t14) earlier than the input torque change time (t15) at which drive power of the motor is changed when the motor can change the amount of change in input torque (deTr).

A multi-operational land drone includes a vehicle body, one or more batteries, one or more sensors, and a removeable dashboard. The one or more batteries are disposed on a lower portion of the vehicle body. The one or more sensors are disposed on the vehicle body.

A vehicle control device that controls a vehicle which is capable of traveling in a plurality of traveling modes including a first traveling mode and a second traveling mode. And the vehicle control device is capable of executing motor assist, in which electric power of a power storage device is supplied to an electric motor and driving of a drive wheel is assisted by the electric motor, when the vehicle is traveling in the first traveling mode, and is configured to change upper-limit assist electric power, which is an upper-limit value of electric power supplied from the power storage device to the electric motor in order to perform the motor assist, in accordance with a speed of the vehicle and a remaining capacity of the power storage device.

A vehicle control device includes a processor configured to execute computer-readable instructions to perform. The processor is configured to acquiring a state of a first battery and a state of a second battery, acquiring motor power that is consumed by a motor that outputs motive power for traveling, detecting a rotation state of a drive wheel driven by the motor, calculating a first upper power limit value on the basis of the state of the first battery, calculating a second upper power limit value on the basis of the state of the second battery, and controlling the amount of electric power that is supplied from each of the first battery and the second battery to the motor on the basis of the calculated first and second upper power limit values. The controlling the amount of electric power includes determining whether to compensate for the motor power equivalent to the amount of change or limit compensation for the motor power equivalent to the amount of change when the change in the rotation state satisfies a reference condition.

A vehicle control device is configured to: execute motor assist when a vehicle is traveling by a drive wheel being driven by an internal combustion engine, in which electric power of a power storage device is supplied to an electric motor and the electric motor assists driving of the drive wheel; change upper-limit assist electric power, which is an upper-limit value of electric power supplied from the power storage device to the electric motor in order to perform the motor assist, in accordance with a temperature of the power storage device; and when the temperature of the power storage device reaches a first temperature, restrict the upper-limit assist electric power such that a reduction amount of a maximum driving force of the vehicle falls within an allowable range.

A torque security system for a vehicle is provided. The system receives a signal from a sensor coupled to a motor shaft of an electric motor and determines an acceleration of the electric motor, based on the signal from the sensor that indicates an amount of rotation of the motor shaft. The system determines an internal torque between the motor shaft and an input gear coupled to the motor shaft, based on the acceleration of the electric motor and an inertia of the electric motor and a gearbox. The powertrain of the vehicle comprises the gearbox and the electric motor, and the input gear couples the electric motor to the gearbox. The system determines whether the internal torque exceeds a threshold torque, and in response to determining that the internal torque exceeds the threshold torque, the system reduces power output to the electric motor. The system also diagnoses the health of the gearbox.

A vehicle control device controls a vehicle that includes an internal combustion engine, an electric motor, and a drive wheel driven that is capable of starting the internal combustion engine by cranking of the electric motor. When the internal combustion engine is started by cranking of the electric motor, the vehicle control device is configured to: control a power running torque of the electric motor based on an intake pressure of the internal combustion engine until the internal combustion engine goes into a complete combustion state; and control a regenerative torque of the electric motor based on a fuel injection amount of the internal combustion engine until a rotation speed of the internal combustion engine converges within a predetermined range including a target rotation speed, after the internal combustion engine goes into the complete combustion state.

A power generation control device includes: an internal combustion engine of a vehicle; a generator driven by the internal combustion engine to generate electricity; a power storage device charged by the generator; a gear mechanism that interconnects the internal combustion engine and the generator; a detection unit for detecting vehicle information of the vehicle; a power generation controller that sets a target power generation amount of the generator based on the vehicle information and calculates a target rotational speed of the internal combustion engine and a load torque of the generator according to the target power generation amount; and a rattle suppression controller which determines whether a rattle suppression control condition of the gear mechanism is satisfied or not based on the target power generation amount and raises the target rotational speed of the internal combustion engine to a predetermined rotation number when the condition is satisfied.

An apparatus including a transmission mechanism in a power transfer path between a drive source and wheels; an oil pressure control device supplying lubricating oil to the transmission mechanism; and a control part outputting an electrical instruction to increase a flow rate of the supplied lubricating. When the control part outputs an electrical instruction to the oil pressure control device to increase a flow rate of lubricating oil supplied to the transmission mechanism, and determines that the flow rate of lubricating oil supplied to the transmission mechanism from the oil pressure control device does not increase as indicated by the electrical instruction (time t1), the control part considers that the oil pressure control device is in an abnormal state, and can impose a limitation that an absolute value of torque of the transmission mechanism transferred between the wheels and the drive source be reduced (time t1-t5).