Provided is an electric power control device that allows a work vehicle to travel while carrying out a utility work smoothly. An electric power control device includes an operational state information acquisition section for acquiring operational state information indicative of an operational state of a work vehicle, a battery information acquisition section for acquiring battery information indicative of a state of a battery which is mounted on the work vehicle, a storage section for storing in advance operational mode information, a travel unit that causes the work vehicle to travel, a distributed electric power calculation section for calculating distributed electric powers to be distributed to the travel unit and an implement unit that effects the utility work respectively, and an instruction section for instructing the distributed electric powers to a travel control section that controls the travel unit and an implement control section that controls the implement unit, respectively.

A battery system for a vehicle includes a plurality of battery modules, each of the plurality of battery modules including a respective management module, and a master management module configured to communicate with the management modules and with a battery control module. Each of the management modules includes a communication interface configured to transmit data to the master management module and receive data from the master management module and a diagnostic module configured to monitor operating parameters of a respective one of the plurality of battery modules, detect a fault associated with the respective one of the plurality of battery modules based on the operating parameters, and selectively output a signal indicative of the detected fault.

An electrically driven vehicle contains a current collector for supplying electrical energy from a bipolar overhead line system. The collector has an articulated support rod, which bears, on the contact wire side, a contact collector having a contact strip, and which is coupled, on the vehicle side, to a lift drive for positioning the support rod and for pressing the contact collector to a contact wire of the overhead wire system, a detection device for detecting a lateral position of a contact point of the contact wire on the contact strip and a driver assistance system for executing an automatic steering intervention as a function of the detected lateral position of the contact point. The vehicle has increased availability for a feed of electrical energy from the overhead line system in that the contact strip is supported on the contact collector via at least two spring elements.

A vehicle includes a driving motor, an electric load, a first battery electrically connected to the driving motor and configured to supply a power of a first voltage to the driving motor, a second battery electrically connected to the electric load and configured to supply a power of a second voltage to the electric load, a direct-current converter electrically connected to the first battery and the second battery between the first battery and the second battery, and a controller operatively connected to the direct-current converter and configured to control the direct-current converter to supply the power of the first battery to the second battery and to warn a low state of charge (SOC) value of the first battery based on an SoC of the first battery and a distance of the vehicle to a charging station for charging the first battery during supply of the power of the first battery to the second battery.

A service mode selection system for a service vehicle is provided for simplifying a control for setting the vehicle in a desired service mode. The system includes a control system for receiving an operator's selection of service mode via a service mode selection device and controlling vehicle components to automatically set the vehicle in a selected service mode. The service mode selection device can be arranged in a cab of the vehicle and allows the operator to conveniently select a desired service mode, thereby achieving a work-ready machine with as few operator inputs as possible.

Provided is an electric power control device that allows a work vehicle to travel while carrying out a utility work smoothly. An electric power control device includes an operational state information acquisition section for acquiring operational state information indicative of an operational state of a work vehicle, a battery information acquisition section for acquiring battery information indicative of a state of a battery which is mounted on the work vehicle, a storage section for storing in advance operational mode information specifying possible operational modes of the work vehicle, a travel unit that causes the work vehicle to travel based on the operational state information, the battery information and the operational mode information, a distributed electric power calculation section for calculating distributed electric powers of electric power outputted from the battery to be distributed to the travel unit and an implement unit that effects the utility work respectively, and an instruction section for instructing the distributed electric powers to a travel control section that controls the travel unit and an implement control section that controls the implement unit, respectively.

A vehicle control device mounted on a vehicle includes a first traveling mode being driven by the torque output from a first rotary electric machine, and a second traveling mode being driven by the engine torque output from an engine and the torque output from the first rotary electric machine, wherein a section 1 for cranking the engine by the output of the second rotary electric machine and a section 2 for assisting the driving force of the engine by the output of the first rotary electric machine are provided during a period from the first traveling mode to the engagement of the clutch at the time of starting the engine to the second traveling mode, and the torque increase of the first rotary electric machine is limited in the section 1.

Method and apparatus are disclosed for controlling charge levels of vehicle batteries. An example vehicle includes a battery, a battery sensor for detecting a current of the battery, a power connector for connecting to an external electrical device, a relay electrically connected between the power connection and the battery, and a body control module to position the relay in a closed state in response to determining that the current is greater than zero and the battery is not in an overcharge state.

A service mode selection system for a service vehicle is provided for simplifying a control for setting the vehicle in a desired service mode. The system includes a control system for receiving an operator's selection of service mode via a service mode selection device and controlling vehicle components to automatically set the vehicle in a selected service mode. The service mode selection device can be arranged in a cab of the vehicle and allows the operator to conveniently select a desired service mode, thereby achieving a work-ready machine with as few operator inputs as possible.

An electrically driven vehicle contains a current collector for supplying electrical energy from a bipolar overhead line system. The collector has an articulated support rod, which bears, on the contact wire side, a contact collector having a contact strip, and which is coupled, on the vehicle side, to a lift drive for positioning the support rod and for pressing the contact collector to a contact wire of the overhead wire system, a detection device for detecting a lateral position of a contact point of the contact wire on the contact strip and a driver assistance system for executing an automatic steering intervention as a function of the detected lateral position of the contact point. The vehicle has increased availability for a feed of electrical energy from the overhead line system in that the contact strip is supported on the contact collector via at least two spring elements.