1432results about "Propulsion using engine-driven generators" patented technology

A Level IV fuel-saving robot system for heavy-duty trucks (HDT) focuses on the minimization of actual fuel consumption (L / 100 km) for long-haul freight based on an electrical power split device and a mixed hybrid powertrain architecture. The Level IV fuel-saving robot has an L4 autonomous driving function within the Operational Design Domain (ODD) of expressways, operates in a “shadow mode” or “Disengagement Mode,” automatically generates a discrepancy report or detachment report, completes the “3R” (Real Vehicle, Real Road, Real Payload) batch validation for an L4 system on a billion mile scale quickly with high performance to cost ratio under the condition of ensuring the traffic safety of existing road users and reduces the total validation expense by more than 65% compared with the modern HDT with internal combustion engine equipped with the L4 system, promoting the early commercialization of the fuel-saving robot.

An example system includes a DC / DC converter interposed between a battery pack and an electrical load of a vehicle, the DC / DC converter having a first power supply phase and a second power supply phase; and a controller, including: a power request circuit structured to interpret a power request for the electrical load; a power provision circuit structured to determine a current value for each of a plurality of power supply phases; and a power command circuit structured to provide a phase power command value in response to the current value for each of the plurality of power supply phases, the phase power command value including a duty cycle command for each of the plurality of power supply phases; and wherein each of the power supply phases are responsive to the phase power command value to provide pulse width modulated (PWM) electrical power to the electrical load.

A drive apparatus includes: a plurality of rotating electrical machines; a plurality of electricity conversion apparatuses; and a plurality of refrigerant routes that are provided to be parallel to each other and are for cooling the rotating electrical machines and the electricity conversion apparatuses. Each of the electricity conversion apparatuses is electrically connected to at least one of the rotating electrical machines. Each of the refrigerant routes is configured to cool at least one of the electricity conversion apparatuses and at least one of the rotating electrical machines. Each of the rotating electrical machines is electrically connected to an electricity conversion apparatus different from the at least one electricity conversion apparatus cooled by the same refrigerant route as the rotating electrical machine itself.

The present disclosures relate to methods and systems for a hybrid powertrain. The hybrid powertrain system includes an integrated axle configured to provide mechanical power to a first pair of wheels, the integrated axle comprising a first motor-generator and a first drive axle such that the first motor-generator and at least a portion of the first drive axle are mechanically coupled to a common housing. The system also includes a second motor-generator configured to be mechanically coupled with an engine via a first clutch and mechanically coupled with a second drive axle via a second clutch, the second drive axle mechanically coupled with a second pair of wheels. A controller is electrically coupled with the first and second motor-generators, the engine, and the first and second clutches, the controller configured to enable a fully electric mode, a series hybrid mode, a parallel hybrid mode, and a regenerative mode of operation.

In engagement control for changing a clutch WSC from a disengaged state to a fully engaged state after engagement determination is made on the clutch WSC, a control device executes an engagement preparation phase in which no torque capacity is generated and an actual engagement phase in which a torque capacity is generated and the fully engaged state is achieved. In a case where a vehicle is traveling with a driving force of a rear motor drivingly connected to a rear wheel when executing the engagement control, the control device controls a rotation speed of a rotary electric machine to be higher than a rotation speed of a transmission member when the vehicle is accelerating, and controls the rotation speed of the rotary electric machine to be lower than the rotation speed of the transmission member when the vehicle is decelerating.

The invention discloses a dual-battery-driven dynamic switching control system and method based on a range extending structure, the system comprises a controller, a range extender, a motor and a plurality of energy loops erected between the range extender and the motor, and at least two of the energy loops are provided with battery packs. The range extenders and the battery packs are electrically connected with the controller, and the controller is used for controlling on and off of the energy loop, so that the battery packs and the range extenders respectively or jointly provide electric energy for the motor, or the battery packs respectively or jointly provide electric energy for the motor. Or the range extender is enabled to respectively or synchronously provide electric energy for the plurality of battery packs.

Described is a telehandler (1) equipped with at an electric propulsion motor and with several containment compartments (100) for housing means (200, 300) for powering the motor. A compartment (100) is provided with an access opening to allow a user to insert or extract a source of electricity (200, 300) included in the power supply means. A plurality of electric batteries (200) is made available, each designed to be inserted in one of the compartments (100). An electricity generator apparatus (300) is provided for insertion in one of the compartments (100). The telehandler (1) is equipped with the following alternative power supply configurations: a fully electrical configuration wherein the power supply means comprise only one or more electric batteries (200); and a hybrid configuration wherein the power supply means include the electricity generator apparatus (300).

To provide a work vehicle with a hybrid transmission that shifts power from an engine to output to a front traveling unit which can extend forward, while unnecessitating shape change of a transmission case and preventing circulation of lubricant between an electrically-driven transmission chamber and a gearwheel transmission chamber, a front transmission shaft from the gearwheel transmission part.SOLUTION: A work vehicle comprises: an electrically-driven transmission chamber 16; a transmission case 11 which forms a gearwheel transmission chamber 17 positioned at the rear side of the electrically-driven transmission chamber 16 and is to be a partition between the gearwheel transmission chamber 17 and the electrically-driven transmission chamber 16; a front transmission shaft 70 which extends forward from the gearwheel transmission part to perform power transmission to a front traveling device; and a cylindrical member 73 which is arranged in the transmission case 11 to form a power transmission path 74 separated from the electrically-driven transmission chamber 16 passing through the electrically-driven transmission chamber 16 in a cross direction in which the front transmission shaft 70 passes through the power transmission path 74.SELECTED DRAWING: Figure 3

An electrical energy recovery, storage, and distribution system that may be used in a vehicle. The system may include a supercapacitor configured to quickly store large amounts of energy. The system may also include multiple circuits operating at different voltage levels, such that an output voltage from the supercapacitor is useful over a larger voltage range and the system is more energy efficient.

An example system includes a DC-to-DC converter, wherein the DC-to-DC converter includes: a printed circuit board (PCB), including a plurality of layers including inner copper layers and outer copper layers, wherein the inner copper layers are heavy copper and the outer copper layers are a lower copper than the inner copper layers; and a plurality of ribbon cable connector fingers protruding from a side of the PCB.

A motor output control system may include an electric motor, at least one powerline component powered by the electric motor and a controller. The controller is configured to monitor and determine a current output of the at least one powerline component and automatically output control signals adjusting output by the electric motor based upon an output of the at least one powerline component.

Aspects of the present disclosure are directed to systems, devices, methods, and computer-readable storage medium for adaptive / dynamic thermal management of an electrical power system having variable electric loads, and components thereof. Thermal management may be driven at least partially by predicted / modeled thermal performance of the component to be managed, which may be calculated or modified using direct or indirect measurements. Embodiments may include adaptive thermal management of at least one of an energy storage system and an electric energy supply. Applications of this disclosure may include adaptive thermal management method for electric vehicles and non-mobility applications, particularly having variable electrical loads, which may impact performance or life of the application.

A vehicle according to the present invention comprises: a vehicle battery; a motor generator that is capable of inputting and outputting electric power to and from the vehicle battery and an external battery which is externally provided; a circuit unit that connects the motor generator to the vehicle battery and the external battery; and a control unit that controls the vehicle battery and the external battery. When electric power is input to and output from both the vehicle battery and the external battery, the control unit restricts input and output of electric power to and from one of the vehicle battery and the external battery on the basis of a load applied to the circuit unit.

An electric drive system (1A-1D) comprises an electric motor (10; 10A, 10B) having a rotor (100) and a plurality of lanes (101A-101D) which are electrically isolated from one another and to which electric current can be applied independently of one another in order to drive the rotor (100); a respective supply unit (11) for each of the lanes (101A-101D); and a control system (12) which is designed to simultaneously operate at least one of the lanes (101A-101D) in a motor mode in which electric current is applied to the lane (101A-101D) via the corresponding supply unit (11) in order to convert electrical energy into kinetic energy of the rotor (100) and operate at least one of the lanes (101A-101D) in a generator mode in which electric current is provided by means of the lane (101A-101D) via the corresponding supply unit (11).

A method for controlling torque generated by at least one traction motor of a vehicle before a vehicle launch includes: determining that torque demand increases while simultaneously at least one brake of the vehicle is in an applied state; in dependence on the determination, limiting torque generation by the traction motor in response to torque demand; and removing the limit in dependence on release of the at least one brake.

An electric energy dissipating system for a vehicle. An air flow producing unit provides a pressurized air flow through a fluid conduit. A polyphase electric machine runs on a predefined number of phases. The air flow producing unit is mechanically connected to, and operated by, the electric machine. An electric brake resistor arrangement is located downstream of the air flow producing unit, and comprises one resistor unit for each one of said phases. An electric power system is configured to receive electric power generated by an electric traction motor during braking of the vehicle. The power system comprises an inverter which converts a DC input into a polyphase AC output. The electric machine and the resistor arrangement are electrically connected to the inverter in parallel, such that each phase of the AC output of the inverter is connected to a respective phase of the electric machine and to a respective resistor unit, in parallel.

Aspects of the present disclosure relate to systems and method for enhancing energy recovery, efficiency, and continuous operation in electric motors. The integration of auxiliary windings in the electric motor of the present disclosure enables the continuous capture and conversion of otherwise lost energy into electrical energy, which is then fed back into at least one of one or more batteries of the electric vehicle and the electric motor and / or the energy is used to power one or more auxiliary systems of the electric vehicle, using an energy management unit. The processes are managed by intelligent control systems that dynamically adjust the rate and amount of energy feedback based on real-time battery status and operating conditions of the electric motor.

To provide a controller of a hybrid vehicle which can suppress a relay selectively connecting between a power storage device and a control unit to drive a motor from being solid-phase bonded.SOLUTION: A controller of a hybrid vehicle comprises: a first motor which converts power of an engine into electric power; a second motor which is driven by the electric power generated by the first motor; a step-up converter which boosts output voltage of a battery to be output to respective motors; a relay which is arranged between the battery and the step-up converter; a low voltage capacitor which is arranged close to the battery side relative to the step-up converter; and a high voltage capacitor which is arranged close to respective motor sides relative to the step-up converter. In a case that conductive state of the relay continues for a predetermined time period or more, voltage of the high voltage capacitor is kept being higher than that of the low voltage capacitor (step S3) and then the relay is switched to a cut-off state (step S6).SELECTED DRAWING: Figure 4

A second control unit performs a switching control task of repeatedly switching between an on state and an off state of an upper-arm switching device of a voltage converter in response to determination that a monitored terminal voltage across a smoothing capacitor is not lower than or equal to an anomaly determination threshold during failure of a first control unit. The second control unit determines whether the switching control task causes the monitored terminal voltage across the smoothing capacitor to be lower than or equal to the anomaly determination threshold. The second control unit controls, in response to determination that the switching control task causes the monitored terminal voltage across the smoothing capacitor to be lower than or equal to the anomaly determination threshold, at least one motor-generator to perform a limp-home control task of the electric vehicle.

The invention provides a control method and a control system of an extended-range vehicle and the vehicle. The control method comprises the steps that during the running period of the range extender, vehicle related parameters are obtained; pre-judging whether a driver has an emergency braking intention or not based on the vehicle related parameters; and under the condition that it is pre-judged that the driver has the emergency braking intention, the power of the range extender is restrained in advance. According to the method, the power of the range extender can be reduced in advance through vehicle emergency braking pre-judgment, so that the response speed of emergency braking can be increased, and the braking recovery capacity is preferentially guaranteed to the maximum extent.

An electric vehicle (EV) charging station for fast charging (e.g. 5 to 15 minutes) an electric vehicle (EV). The EV charging station can be configured to charge multiple EVs and multiple conventional vehicles at the same time. The EV charging station can include a power source, an electric reservoir receiving power from the power source, an AC to DC power converter for receiving AC power from the power source and converting the AC power to DC power for supplying DC power to the electric reservoir, an EV charger receiving DC power from the electric reservoir; and a first DC to DC converter receiving DC power from the electrical reservoir and converting the DC power to DC power suitable for charging the electrical vehicle.

Methods and systems for configuring a four-wheel drive high gross weight vehicle are presented. In one non-limiting example, a traction battery covers a lateral expanse between a first frame rail and a second frame rail, thereby providing higher storage capacity for the traction battery even though the vehicle is configured for four-wheel drive.

To provide a vehicle control device in a vehicle comprising an engine and an electric motor as power sources for driving, that can enhance traction of the vehicle in accordance with a road surface condition on which the vehicle travels.SOLUTION: A vehicle 10 comprises an engine 12 and an electric motor MG as power sources for driving. An electronic control unit 100 performs at least one of: execution of control to set the engine 12 in a driving state when the vehicle 10 is in a stuck state; and execution of control to set the electric motor MG in a driving state when a vehicle speed V is equal to or lower than a vehicle speed determination value V_jdg and a requested driving torque Trdem is equal to or greater than a torque determination value Trdem_jdg. Thereby, it becomes easier for the vehicle 10 to escape from the stuck state or to transmit a large driving torque to wheels when a large driving torque is required at a start of driving. Thus, traction of the vehicle 10 is increased in accordance with a road surface condition on which the vehicle 10 travels.SELECTED DRAWING: Figure 1

An electric power source apparatus includes a drive control apparatus and an auxiliary control apparatus. The drive control apparatus and the auxiliary control apparatus are configured to communicate with each other. When one of the drive control apparatus and the auxiliary control apparatus is a first control apparatus and the other of the drive control apparatus and the auxiliary control apparatus is a second control apparatus, the first control apparatus is configured to continue a function to communicate with the second control apparatus even when the first control apparatus is not able to normally communicate with the second control apparatus, and configured to execute communication with the second control apparatus when the first control apparatus is put into a state where the first control apparatus is able to normally communicate with the second control apparatus.

An electrified vehicle and associated method for controlling an electrified vehicle having an electric machine powered by a traction battery include an autoencoder trained with training data indicative of a remaining driving range of the traction battery. The trained autoencoder processes vehicle operating data to generate a reference data record and determines a value indicative of a similarity between the vehicle operating data and the reference data record. The autoencoder generates an output data record if the value indicative of the similarity is below a predetermined threshold value. The output data record may be used to display an alert or message to a vehicle occupant and / or control the vehicle to reduce power consumption to increase vehicle driving range.

A system for controlling a hybrid propulsion system includes a computer programmed to obtain altitude and terrain information associated with a predetermined route for the hybrid propulsion system comprising a first energy source and a second energy source. The computer is also programmed to obtain current and forecast ambient weather information associated with the predetermined route of the hybrid propulsion system, determine a power requirement and a torque requirement of the hybrid propulsion system associated with the altitude and the terrain along the predetermined route of the hybrid propulsion system, generate a trip plan to optimize at least one of a plurality of performance parameters of the hybrid propulsion system as the hybrid propulsion system travels along the predetermined route, and preferentially select the first energy source and / or the second energy source based on the trip plan.

The utility model relates to a control system of a range-extending type wheel type electric tractor, a range extender comprises an engine and a generator which are arranged on the front side of a frame, a driving motor is arranged on the middle rear part of the frame and is connected with an automatic gearbox, and a handrail operation box is arranged in a cab and is connected with the automatic gearbox. The dual-motor controller is used for controlling operation and protection of the engine and the driving motor; the range extender controller communicates with the dual-motor controller and the engine controller through a CAN bus, the range extender controller obtains the target power of the driving motor, calculation is carried out according to the current generating capacity of the generator, the target mechanical power used for operation of the engine is obtained, and the output power of the engine is controlled through the engine controller; and the whole vehicle controller is respectively communicated with the range extender controller, the battery management system, the gearbox controller and the armrest operation box through a CAN (Controller Area Network) bus. The utility model has the advantages of compact and reasonable structure, reduced oil consumption, reduced energy loss, improved energy utilization rate and prolonged service life of the battery.

An arrangement for a vehicle, the arrangement comprising an electric traction motor, an energy system comprising a traction battery, the energy system being configured to feed electric energy from the traction battery to the electric traction motor in a first load condition, and configured to receive electric energy generated by the electric traction motor in a second load condition, and an energy dissipater electrically connected to the energy system, wherein the arrangement further comprises processing circuitry configured to determine an indication of a load condition change of the energy system from the first load condition to the second load condition, and control the energy system to feed electric energy to the energy dissipater in response to the indication of the load condition change.