B60L1/003

DRIVE TRAIN CONFIGURATIONS FOR A VEHICLE WITH MULTIPLE REVERSIBLE ENGINES
20230023941 · 2023-01-26 ·

Systems and methods of providing a configurable powertrain in a vehicle are disclosed. The powertrain is capable of operating in a plurality of powertrain configurations and includes one or more reversible generators, a battery system, a motor/generator (M/G), and one or more drive axles. The generators generate and supply electrical power to the battery system, the M/G, an external power source, or a combination thereof. The battery system selectively supplies electrical power to the generators, the M/G, the external power source, or a combination thereof. The one or more generators also selectively supply cooling to the battery system, a cab of the vehicle, a trailer or external enclosure or structure of the vehicle, or a combination thereof. The powertrain configurations of the vehicle include operating the components of the powertrain in various combinations based on demands of the vehicle and/or external power sources or structures.

SYSTEM AND METHODS FOR BATTERY AND CABIN COOLING IN ELECTRIC VEHICLES

A vehicle includes a vehicle cooling system for cooling a cabin and a battery system, each having a respective target operating range. The cooling system is configured to select among a cabin-only mode, battery-only mode, or a hybrid cooling mode for cooling the cabin and the battery system. In the hybrid mode, the system determines a desired pressure at an inlet of a compressor corresponding to a suction pressure of the compressor, to avoid cooling interruptions. The system generates a control signal based on the desired suction pressure, and applies the control signal to the compressor. Generating the control signal may include generating a feedforward signal the desired suction pressure, generating a feedback signal based on the suction pressure, or a combination thereof. For example, the use of hybrid mode based on suction pressure allows smoother response to targets with reduced delays in response in meeting the cooling demands.

Thermal Management System and Electric Vehicle
20230226877 · 2023-07-20 ·

A thermal management system includes a compressor, a water-cooled condenser, a battery chiller, a valve body assembly, a first water pump, a second water pump, and a third water pump that are disposed in a centralized manner. The thermal management system can separately form a passenger compartment cooling loop, a passenger compartment heating loop, a battery cooling loop, a battery heating loop, and an electrical driver cooling loop, and any one or more of the passenger compartment, the battery, and the electrical driver can be cooled or heated.

METHOD FOR OPERATING AN ELECTRIC DRIVETRAIN FOR A WORKING MACHINE, ELECTRIC DRIVETRAIN FOR A WORKING MACHINE, AND WORKING MACHINE.
20230226913 · 2023-07-20 ·

A method for operating an electric drivetrain of a working machine is provided wherein, the drivetrain includes a work drive with a hydraulic work device and an electric work motor, and a travel drive with an electric travel motor. The method includes operating the work drive independently of the travel drive, and supplying a power demanded by the work drive taking into account an efficiency of the work motor and an efficiency of the work device.

VEHICLE AND METHOD OF IMMOBILISING A VEHICLE
20230226934 · 2023-07-20 ·

A vehicle and a method of immobilising a vehicle. The vehicle (100) includes a transport refrigeration unit (10), a power management system (20) for supplying power to the transport refrigeration unit (10), and a braking system (30). The power management system (20) includes an electric charging connector (26) and controller (24) configured to determine if a charging cable is engaged with the electric charging connector (26). If the controller (24) determines that a charging cable is engaged with the electric charging connector (26), the braking system (30) is configured to immobilise the vehicle (100).

PROCESSING UNIT AND METHOD THEREIN FOR ENABLING RELIABLE RANGE ESTIMATIONS FOR A VEHICLE ALONG A ROUTE
20230228581 · 2023-07-20 · ·

A processing unit segments the route into a plurality of sections. It is, for each section, obtains a set of route section characteristic values, R.sub.SCV, that will impact the energy consumption of the vehicle whilst driving within the section, obtains a set of vehicle energy consumption values, V.sub.ECV, that will impact the energy consumption of the vehicle whilst driving within the section at least partly based on R.sub.SCV, estimates a first probability distribution, P.sub.1, of the energy consumption for the vehicle whilst driving within the section based on R.sub.SCV, V.sub.ECV, and a first set of traffic information values, T.sub.1, within the section, estimates a second probability distribution, P.sub.2, of the energy consumption for the vehicle whilst driving within the section based on R.sub.SCV, V.sub.ECV, and a second set of traffic information values, T.sub.2, within the section, estimates a traffic flow indicator, I.sub.TF, for the section based on R.sub.SCV, V.sub.ECV and a third set of traffic information values, T.sub.3, within the section, and determines a route section probability distribution, P.sub.RS, of the energy consumption for the vehicle whilst driving within the section based on the relation between I.sub.TF, P.sub.1, and P.sub.2.

PROCESSING UNIT AND METHOD THEREIN FOR MANAGING ENERGY CONSUMPTION IN A VEHICLE
20230228584 · 2023-07-20 · ·

A method for managing energy consumption in a vehicle along a first route from a source location to a first target destination includes estimating an energy consumption, E.sub.PC, of the vehicle travelling from the source location to the first target destination along the first route. In case the amount of energy, E.sub.TOTAL, available in the vehicle is not on a level above E.sub.C that ensures arrival of the vehicle at the first target destination according to a first determined level of certainty, an estimated energy consumption, E.sub.AUX, of each auxiliary system on-board the vehicle for the first route, and an energy utilization information, EU.sub.INFO, indicating a priority level of each auxiliary system on-board the vehicle for the first route is obtained. An energy consumption adaption sequence of the auxiliary systems is determined for the first route based on the obtained E.sub.AUX and EU.sub.INFO of each auxiliary system such that E.sub.TOTAL is maintained on a level above E.sub.PC that ensures arrival of the vehicle at the first target destination according to a second determined level of certainty.

System and method of controlling air compressor motor for fuel cell vehicle and system and method of controlling operation of fuel cell vehicle using same

A method of controlling an air compressor motor for a fuel cell vehicle is provide. The method includes calculating a counter electromotive force constant of the air compressor motor based on a voltage and a current of the air compressor motor for the fuel cell vehicle supplying air to a fuel cell stack and a rotation speed of the air compressor motor. The method additionally includes determining whether a permanent magnet of the air compressor motor is demagnetized based on a result of comparison between the calculated counter electromotive force constant value and a pre-set counter electromotive force constant design value.

ELECTRIC UTILITY VEHICLE POWER CONTROL
20230226914 · 2023-07-20 ·

A control system and method of controlling a utility vehicle. The system may include a controller, an energy mode input associated with a user input request to select one of at least two power modes, an implement control input associated with a user input request to select a movement of an implement, a drive control input associated with a user input request to select a movement of a drive system to propel the utility vehicle, and an attachment type input to further refine the allowed operating power states. The controller is adapted to determine a change between the plurality of operating power states in response to user input requests to automatically optimize machine performance and efficiency. Each of the plurality of operating power states includes a maximum electric current output and a maximum speed output of the electric motor.

Robotic work tool system and a charging connector arrangement for a robotic work tool system

A robotic work tool system, comprising a charging station and a robotic work tool, said robotic work tool comprising two charging connectors arranged on an upper side of the robotic work tool and said charging station comprising two charging connectors and a supporting structure arranged to carry said charging connectors and to extend over and above said robotic work tool as the robotic work tool enters the charging station for establishing electrical contact between the charging connectors of the robotic work tool and the charging connectors of the charging station from above, wherein said supporting structure is arranged to allow the robotic work tool exit the charging station by driving through the charging station without reversing.