摘要:
Embodiments of the present invention provide a controller for a hybrid electric vehicle having an engine, electric propulsion means powered by energy storage means and electric generator means operable to be driven by the engine to recharge the energy storage means, the controller being operable to: receive a signal indicative of a required hybrid driving mode; receive a signal indicative of a state of charge of the energy storage means; determine which of a plurality of powertrain operating modes is appropriate for vehicle operation at a given moment, the powertrain operating modes including an engine charging mode in which the engine drives the generator means to recharge the energy storage means and an electric vehicle (EV) mode in which the engine is switched off and the electric propulsion means is operable to develop drive torque to drive the vehicle; and cause the powertrain to assume the appropriate powertrain operating mode and the required hybrid driving mode, wherein the controller is operable to determine which of the plurality of powertrain operating modes is appropriate for vehicle operation in dependence at least in part on the signal indicative of the instant state of charge of the energy storage means and a reference value of state of charge, the controller being operable to set the reference value of state of charge to one of a plurality of different respective values in dependence on the signal indicative of the required hybrid driving mode.
摘要:
A vehicle includes an engine, a battery storing electric power generated by operating the engine, and an ECU allowing the engine to stop in the state where a remaining capacity of the battery is larger than a first threshold value. When the engine is started by a factor different from a reduction in the remaining capacity of the battery in the state where the remaining capacity of the battery is smaller than the first threshold value, ECU causes the engine to operate and causes the battery to be charged until the remaining capacity of the battery increases to a second threshold value which is larger than the first threshold value.
摘要:
The present invention ensures an engine start-up by a starter at the time of ignition ON, and suppress progress of deterioration of a capacitor. A control system for a plug-in hybrid vehicle has a drive system having a starter motor (1), a transverse engine (2), and a motor/generator (4), and also has a power supply system having a high voltage battery (21); a capacitor (23); and a hybrid control module (81) that controls charge and discharge of the capacitor (23). In the control system for an FF plug-in hybrid vehicle in which external charging of the high voltage battery (21) is available, the hybrid control module (81) starts the starter, performs a mode selection control and a charge/discharge control, maintains the capacitor voltage equal to or higher than a voltage (a) that allows the starter to start-up when a CD mode is selected at the time of ignition ON, and maintains a capacitor voltage equal to or less than a voltage (b) at which deterioration does not proceed at the time of ignition ON with the CS being selected.
摘要:
The present invention relates to an apparatus for controlling a cascaded hybrid construction machine system and a method therefor, which apparatus includes: a control part for controlling an electric motor for driving an actuator differently according to whether or not the actuator performs a recovery action and whether or not an energy storage device can be recharged; and a motor driver for driving or stopping the electric motor by switching under the control of the control unit, wherein when the actuator performs a recovery action for both the overcharged state and the failure state of the energy storage device, the motor for driving the actuator is temporarily stopped by the switching of the motor driver so as to restrain the recovery energy generated, thus protecting the hybrid power source system and keeping the operator safe as well as resolving the problem of the working time being increased due to the system's shutting off.
摘要:
A method is provided for controlling charging of an energy storage system in a vehicle including an electric machine which is arranged for propulsion of the vehicle. The method includes initiating the charging upon connection of the energy storage system to an external power supply via connector elements; and transmitting, between the vehicle and the external power supply, a control signal including data related to the charging by a wireless transmission link. The method furthermore includes evaluating whether the control signal is received; and terminating the charging in the event that the control signal is not received. An arrangement for controlling charging of an energy storage system is also provided.
摘要:
A construction machine (1) includes an engine (15), a loadestimationunit (45) that estimates a pump power absorption, aregeneration/poweringpower demand calculationunit (46) that calculates a regeneration/powering power demand according to a state of charge in an electrical storage device (34), an engine power demand calculation unit (47) that calculates an engine power demand based on the power absorption and regeneration/powering power demand, and a motor generator control unit (48) that performs rotational speed control or torque control. The control unit (48) includes a control switching unit (48A) that switches the rotational speed and the torque control according to the engine power demand and the rotational speed of the engine (15). The control switching unit (48A) switches from the torque control to the rotational speed control when during performance of the torque control, the engine power demand increases and the rotational speed of the engine (15) becomes lower than a predetermined rotational speed.
摘要:
A variable speed hybrid electric supercharger assembly is controlled to regulate an adaptive state of charge of an energy storage device and/or to boost an engine based on a performance mode selected by a driver. In one example, a reference state of charge is determined based upon driving characteristics of a vehicle and compared to an actual state of charge of the energy storage device. If the difference indicates a deficit, an operation mode is selected to regenerate the energy storage device. In another example, a planetary gearing arrangement between an engine and an electric motor is configured to increase or decrease power transferred to the supercharger by the engine based upon the performance mode selected by the driver.
摘要:
A high-order control unit 5 provided in a control device for a hybrid vehicle includes an elevation MAP 5b1 that is used in common for up and down lines and in which at least two predetermined elevation values on a running track are described, and an energy estimation unit 5b that estimates a target charge/discharge amount SOC_ref with respect to a power storage device on the basis of a traveling direction signal Rev expressing a traveling direction of a vehicle, distance information Dis from a distance translation unit 3h, and information on the elevation MAP 5b1, to control a power generation device on the basis of the target charge/discharge amount SOC_ref.