Methods and systems are disclosed for customizing an advanced driver assistance system (ADAS) of a vehicle. In one example, a system for an electric vehicle comprises a current sensor arranged on a power line coupling a battery of the electric vehicle with an inverter of the electric vehicle; a directional speed sensor arranged at a motor of the electric vehicle; and a high voltage direct current contactor arranged on the power line coupling the battery of the electric vehicle with the inverter, upstream of the current sensor, the high voltage direct current contactor configured to allow a current to flow from the battery to the inverter when the high voltage direct current contactor is in a closed position, and to not allow the current to flow when the high voltage direct current contactor is in an open position.

A system and method for operating a fuel-cell system, which is attached to at least one further component via a cooling and/or lubricating circuit. A water-based, oil-free coolant and lubricant is used, and a flushing procedure for the fuel cell is initiated when a contamination of the fuel cell by the water-based, oil-free coolant and lubricant is detected.

A method is provided for controlling electrical components in a vehicle including multiple traction voltage systems, wherein each traction voltage system includes at least one electrical component, and which electrical component has the same function in each traction voltage system, the method involving the steps of monitoring and registering the state of health of each electrical component over time; predicting a predetermined parameter for each electrical component, which parameter is related to a future operating state inhibiting the use of the components; determining a control strategy for each electrical component based on the state of health of the electrical components to balance the parameters towards a common value; and controlling the electrical components based on the determined control strategy.

A controller is provided to drive an inverter circuit for a PMSM. The inverter circuit is connected to a battery through a DC link capacitor, and is driven in one safe state during a fault condition. The controller monitors at least one parameter with respective threshold value to drive the inverter circuit in one safe state comprising an active Short Circuit (SC) and a Freewheel (FW). While in FW state, the controller switches from the FW state to the SC state if the at least one parameter is above the respective threshold. While in SC state, the controller controls engine speed to bring the PMSM to a predetermined speed when the stator temperature is more than a threshold temperature value. The controller switches from the SC state to the FW state.

A vehicle drive unit includes an internal combustion engine (21), an electromotive unit (23) having a first electric motor (31) and a second electric motor (33), an inverter (27) disposed above the electromotive unit, a first harness (41) that electrically connects the inverter and a first terminal block (61) of the first electric motor, and a second harness (42) that electrically connects the inverter and a second terminal block (62) of the second electric motor. The first electric motor and the second electric motor are disposed in a vehicle front-rear direction. Of the first electric motor and the second electric motor, one electric motor is disposed on the front side in the front-rear direction, and the other electric motor is disposed on the rear side in the front-rear direction. The other electric motor is offset upward in the up-down direction with respect to the one electric motor. The electromotive unit has a predetermined space (A) formed: in a region above the one electric motor and in rear of the front end of the one electric motor; and in a region in front of the other motor and below the upper end of the other electric motor. The first terminal block and the second terminal block are located in the predetermined space.

A robotic work tool system (200) comprising a charging station (210) and a robotic work tool (100) configured to work within a work area (205) being divided into at least one section (405), the robotic work tool comprising a controller (110) for controlling the operation of the robotic work tool (100) to cause the robotic work tool to move along a trajectory, the robotic work tool (100) being configured to determine that a section boundary is encountered, and if so change the trajectory of the robotic work tool (100) to cause the robotic work tool to remain in the section.

The present invention relates to the field of testing and maintenance of electric automation devices, such as testing and maintenance of electric drive apparatuses and to the field of electric drives used for industrial applications, and more particularly to a method for indicating a need for maintenance of an electric drive apparatus and to an electric drive apparatus. An electric drive apparatus of an installation consisting of two or more electric drive apparatuses according to the present invention has a calculation unit for collecting maintenance data relevant to the maintenance of said electric drive apparatus, a maintenance need notification unit for determining a need for maintenance of said electric drive apparatus by analysing the collected maintenance data together with applicable values set for a maintenance scheme of said electric drive apparatus, a communication unit comprising a transmitter for sending information of the need for maintenance to other electric drive apparatuses of said installation, and a receiver for receiving information on the need for maintenance of said other electric drive apparatuses a maintenance alarm synchronization unit for generating a synchronized maintenance alarm of two or more electric drive apparatuses, and an alarm indication unit for indicating said synchronized maintenance alarm to the user.

To provide a hybrid wheel loader capable of reliably detecting a short-circuited state of a synchronous generator driven by a drive source. The present invention is provided with an MG 4 being a synchronous generator driven as an electric generator by an engine and operated as a motor by the electric power supplied from an electrical storage device 9, an MG inverter 5 having a motor current sensor 5d for detecting motor current flowing through the MG 4 and semiconductor switches 5a, 5b, and an HCU 10 for detecting a short-circuited state of the MG 4, wherein the HCU 10 determines that the MG 4 is in a short-circuited state when the semiconductor switches 5a, 5b of the MG inverter 5 are in an OFF state at gates and when the motor current detected by the motor current sensor 5d is equal to or greater than a specified threshold value.

A network of collection, charging and distribution machines collect, charge and distribute portable electrical energy storage devices (e.g., batteries, supercapacitors or ultracapacitors). Locations of collection, charging and distribution machines having available charged portable electrical energy storage devices are communicated to or acquired by a mobile device of a user, or displayed on a collection, charging and distribution machine. The locations are indicated on a graphical user interface on a map on a user's mobile device relative to the user's current location. The user may use their mobile device select particular locations on the map to reserve an available portable electrical energy storage device. The system nay also warn the user that the user is near an edge of the pre-determined area having portable electrical energy storage device collection, charging and distribution machines. Reservations may also be made automatically based on information regarding a potential route of a user.

An electric powered vehicle includes: a motor; an inverter configured to convert electric power from a battery to drive the motor; a transmission configured to shift the rotation output of the motor at a variable transmission gear ratio; and a controller configured to control the inverter to control the driving of the motor and to control a change in the shift gear stage, and to perform high surge region avoidance control for changing the gear ratio of the transmission to change a motor rotation speed while maintaining a vehicle speed and changing an operation point outside a high surge region, when the operation point of the motor enters the high surge region where the inverter is controlled by a PWM overmodulation control system, and the high surge region is defined to be equal to or higher than a predetermined rotation speed and equal to or less than predetermined torque.