5999results about "Driver interactions" patented technology

A vehicle includes a chassis including a frame rail extending longitudinally, a tractive element coupled to the chassis, a cab coupled to the chassis and configured to support an operator, an electric motor configured to drive the tractive element to propel the vehicle, a battery configured to supply electrical energy to the electric motor, a heat exchanger, a cable electrically coupling the electric motor and the battery, and a conduit fluidly coupling the battery and the heat exchanger. The cable and the conduit extend laterally from the battery to the frame rail, and the cable and the conduit extend longitudinally along the frame rail.

An energy management system can comprise a housing configured to receive energy storage assemblies within an interior region of the housing via one or more openings on a surface of the housing. One or more guide tracks positioned within the interior region can mechanically and electrically couple to the energy storage assemblies. One or more switches can electrically couple the energy storage assemblies in series to increase a voltage provided from energy storage assemblies to an electrical load and can electrically couple the energy storage assemblies in parallel to facilitate charging the energy storage assemblies from an energy source.

The present invention is directed to electronic devices, systems, and methods for optimizing dispatch schedules for an electric vehicle battery in communication with the electronic device to maximize the revenue generation from vehicle-to-grid activities at a site while also preserving battery health. The devices, systems, and methods may determine, using an optimization algorithm, the dispatch schedule for the electric vehicle battery and control a charge or discharge of the electric vehicle battery based on the dispatch schedule. The optimization algorithm may determine the dispatch schedule based on forecasts for future anticipated energy needs of the site and forecasts for future anticipated energy production of the site. The optimization algorithm may include an objective function including one or more variables. The devices, systems, and methods may introduce a heuristic term to the objective function or penalize the first derivative of a variable of the objective function to optimize the dispatch schedule.

An electric vehicle charging recommendation method is disclosed. The method may include obtaining a vehicle information associated with a vehicle, a driver information, and a vehicle trip information. The vehicle information may include a current state of charge (SOC) of a vehicle battery. The method may further include determining a distance to be travelled by the vehicle from a vehicle current location based on the vehicle trip information. The method may further include determining an expected SOC required to travel the distance from the vehicle current location based on the vehicle information, the driver information and the vehicle trip information. The method may additionally include transmitting a recommendation notification to a user device to charge the vehicle battery when the expected SOC may be greater than the current SOC.

Systems and methods for selecting a charging entity based on occupancy status are provided. In one embodiment, a method includes determining a current geo-location and state of charge of a requesting vehicle and a plurality of charging entities that are within a remaining distance of the requesting vehicle. Occupancy statuses for one or more charging entities of the plurality of charging entities are determined based on a number charging vehicles and a charging parameter. The method includes estimating charging speeds for the one or more charging entities based on the occupancy statuses. A charging station map user interface that pin points the current geo-location of the requesting vehicle and the one or more charging entities is presented. The one or more charging entities are presented with labels. The method further includes reserving a charging station of a selected charging entity of the plurality of charging entities by selecting a label.

An electronic device situated in an electric vehicle displays the precise state of charge (SOC) and charging status of the vehicle such that this information is visible from a substantial distance outside the vehicle while the vehicle is charging, connected to a charging station, or idle after disconnection from a charging station. The displayed information is easily comprehensible to a driver in an approaching electric vehicle who is interested in using the charging station, allowing the approaching driver to quickly determine if the charging station is available for use, or how soon it may be available. A method for accessing and displaying information regarding an electric vehicle charging session, allowing for a constant display of charging information outside of the electric vehicle.

A charging station information providing server receives a charging station recommendation request from an external device, generates, in response to the received charging station recommendation request, a charging station recommendation query based on user information and vehicle information corresponding to a user of the external device, obtains customized recommended charging station information based on charging station list information obtained by using a charging station evaluation model, and road condition information, by using a charging station recommendation model that takes the generated charging station recommendation query as input, and transmits the obtained customized recommended charging station information to the external device.

A method of controlling drift of a vehicle in which the vehicle more easily enters, maintains, releases, and transitions drift behavior, includes determining, by a controller, whether a current driving situation of the vehicle is a drift entry situation or a release situation based on vehicle driving information, and generating a drift index configured to indicate a current degree of drift from a determination result, determining, by the controller, a target yaw moment for left and right speed control depending on a driving situation or a braking situation of the vehicle and target yaw moments for drift assistance control depending on a driver input and a vehicle state in the drift entry situation, based on the vehicle driving information, and generating and outputting, by the controller, a target torque of a motor configured to drive each wheel of the vehicle based on the determined target yaw moments.

A method and system for controlling an electric bicycle are provided. The method may comprise: driving the electric bicycle; generating a deceleration torque command of a driving motor based on a moving distance of a pedal if a driver rotates the pedal installed in the electric bicycle in a reverse direction while the electric bicycle is driving; controlling a current supplied to the driving motor according to the deceleration torque command; and generating a deceleration torque of the driving motor by the current control.

An electric vehicle may comprise a chassis extending between a front and a rear and having a steering axle coupled to the chassis and arranged near the front. The electric vehicle may further comprise a first drive axle and a second drive axle coupled to the vehicle chassis and arranged near the rear. The first drive axle may comprise a first axle housing, a first drive wheel rotatably supported by the first axle housing, and a first electric machine operably coupled to the first drive wheel through a first power path, the first power path including a first gear reduction. The second drive axle may comprise a second axle housing, a second drive wheel rotatably supported by the second axle housing, and a second electric machine operably coupled to the second drive wheel through a second power path, the second power path having no speed change.

A charging system for Electric Vehicles (EVs), comprising an AC / DC charger; an AC / DC charging cable being connected to the battery of an EV, to be charged, via an adaptor in the EV, for charging the battery or other electric components of the EV with AC or DC power, or both; a data exchange interface, added to the charging cable, and being connected to predetermined computerized subsystems of the EV; a data connection to a remote computation cloud and / or to remote serves, which are equipped with dedicated software for connecting to the EV via the data exchange interface and performing remote operations and data exchange with computerized subsystems of the EV according to predetermined credentials and communication protocols.

The present application relates to an electric vehicle, a motor control method thereof, an apparatus and a storage medium. The motor control method of the electric vehicle of the present application includes: detecting a relative deformation of a transmission system between a driving gear and a wheel end of a motor; determining a first speed difference value of a first driving gear rotation speed and a first wheel end conversion rotation speed when the relative deformation is a first threshold, where the relative deformation being the first threshold value is used to indicate that the driving gear starts to disengage from a driven gear of the transmission system; determining an output torque of the motor according to the first speed difference value; and controlling the driving gear to perform a tooth approaching operation relative to the driven gear according the output torque.

A refuse vehicle includes a cab, a refuse compartment, a chassis, a high voltage power distribution unit (HVPDU) including a battery, a plurality of cables and a manual service disconnect. The manual service disconnect is accessed via a through hole of a wheel well of the refuse vehicle. The refuse vehicle further includes a platform removably coupled to the chassis and the HVPDU and configured to enclose the high voltage power distribution unit.

A battery charging system includes a charging rack comprising multiple receptacle, multiple battery assemblies. Each of the battery assemblies includes a housing having a handle, rechargeable battery cells disposed within the housing, and a mating feature protruding away from the housing, wherein the mating feature is configured to selectively connect the battery assembly with the receptacle of the charging rack and includes multiple ports electrically connected to the battery cells and configured receive power from the charging rack to charge the battery cells, and wherein the handle comprises a release button configured to selectively disengage the battery assembly from the receptacle of the charging rack.

A system for providing information related to a charge status of an electric vehicle when the electric vehicle is connected to a charging station includes a system controller in communication with an electrical system within the electric vehicle and adapted to monitor information related to a charge status of the electric vehicle, and provide notification, to a third-party, of the charge status of the electric vehicle.

The present invention provides a digital twin-based charging station control system. A digital twin-based charging control method according to an embodiment of the present invention comprises the steps of: generating a virtual space, which is a three-dimensional virtual space obtained by combining information of the real world with a digital world, on the basis of information of a charging station in which a charger for charging a vehicle is installed; storing, in a database, information of a past event that has occurred at the charging station; and on the basis of the information of the past event that has occurred at the charging station, and on the basis of the event information in the virtual space, implementing the past event that has occurred at the charging station in the virtual space and reproducing same.

A method for operating an electric vehicle for traversing off-road terrain includes operating the vehicle both in a normal operating mode and an electric low range operating mode. A control unit receives inputs from sensors that determine vehicle operating conditions, such as vehicle speed, grade of terrain, accelerator position, and brake pedal position. The method adjusts motor torque or the maximum allowable motor as a function of the determined vehicle operating conditions, to provide improved electric vehicle operation in a low range mode, including the increasing motor torque at different rates relative to the normal mode, allowing a greater maximum allowable torque, increasing torque to overcome obstacles, and increasing torque to ascend or descend.

A computer system (100) of a vehicle (10) comprising processing circuitry (102) configured to: send a verification request message (M) to an electrical energy storage system (104) of the vehicle, receive a response message from the electrical energy storage system (104) that depends on the existence of a correct digital key (106) in a memory (108) of the electrical energy storage system (104); when the digital key (106) is correctly verified, allow electrical systems (110) of the vehicle to use the electrical energy storage system, when the digital key (106) cannot be correctly verified, limit the use of the electrical energy storage system (104) for the electrical systems (110) of the vehicle.

A “one-pedal rocking mode” for extricating an electric vehicle from a stuck condition is implemented by: receiving, via a human-machine interface (HMI) of the electric vehicle, an indication of a user selection to activate the one-pedal rocking mode; operating the electric vehicle in the one-pedal rocking mode responsive to detecting movement of an accelerator pedal of the electric vehicle; controlling at least one electric motor of the electric vehicle to: (i) apply a forward torque to corresponding drive wheels when the accelerator pedal is in a first pedal position that exceeds a forward threshold, (ii) apply a reverse torque to the corresponding drive wheels when the accelerator pedal is in a second pedal position that is less than or equal to the forward threshold; and exiting the one-pedal rocking mode by switching operations of the electric vehicle to a second operating mode responsive to detecting an exit condition.

An electric vehicle battery control system including a first electric motor configured to propel a vehicle in a drive mode in response to a drive current, a second electric motor operative to generate a back electromotive force voltage in a fault mode, a battery, having an open circuit battery discharge voltage, for generating the drive current for coupling to the first electric motor, and a vehicle controller for limiting the drive current in response to a difference between the back electromotive force voltage and the open circuit battery discharge voltage being less than a threshold voltage difference.

A method includes receiving a turning angle indication indicating a turn of front wheels of the vehicle in one of a left direction or a right direction by a turning angle relative to a first direction of travel of the vehicle, and determining that a magnitude of the turning angle satisfies a threshold turn angle. Based on determining that the magnitude of the turning angle satisfies the threshold turn angle, the method also includes operating the vehicle in a drift mode by determining that an inner rear wheel includes one of a left rear wheel or a right rear wheel of the vehicle, determining that an outer rear wheel includes the other one of the left rear wheel or the right rear wheel, and commanding at least one torque machine to provide forward torque to the inner rear wheel without providing any forward torque to the outer rear wheel of the vehicle.

An example operation includes one or more of iteratively receiving sensor data of current waiting times at a plurality of charging stations and iteratively generating updated sensor data for the plurality of charging stations based on the iteratively received sensor data, identifying a charging station among the plurality of charging stations that has a queue length that is below a predetermined threshold based on the updated sensor data, dynamically generating content associated with the charging station based on the queue length being below the predetermined threshold, notifying a vehicle about the charging station and the content, detecting the vehicle performing a charging operation at the charging station while the queue length is still below the predetermined threshold, and presenting the content on a graphical user interface (GUI) of a software application of the vehicle in response to detecting the charging operation being performed while the queue length is still below the predetermined threshold.

A processor-implemented method includes (i) authenticating a first user at an EV charger application on the first user device, where the application stores authentication data received via the internet, (ii) initiating a first charging session at a charger device with session information data packet including assigning a session identifier and transmitting a user identifier from the first user device via wireless communication, (iii) storing (a) an initial reading of an energy meter and (b) updated readings throughout the session, (iv) terminating the session and storing the final updated reading as part of the completed session information, (v) transferring the completed session information from the charger device to the second user device upon initiating a second session, (vi) upon detecting internet connectivity, transmitting the session information to a cloud service.

Dynamic route generation and charger discovery is provided. A system identifies a drive route for a vehicle. The drive route includes a first charger at a first location along the drive route configured to charge a battery of the vehicle. The system receives an indication of an amount of power output by the battery of the vehicle and an indication of a speed of the vehicle as the vehicle traverses the drive route. The system receives the indication via a battery management system of the vehicle. The system predicts, via a model trained with machine learning, a characteristic of the vehicle based on the amount of power and the speed. The system updates, responsive to the characteristic predicted via the model based on the amount of power and the speed, the drive route to include a second charger at a second location to charge the battery of the vehicle.

Methods, systems, and apparatus for a regenerative braking and powertrain pedal system. The powertrain system includes an electric motor that is configured to generate regenerative energy and provide a regenerative braking torque. The powertrain system includes an electronic control unit coupled to the electric motor. The electronic control unit is configured to cause an accelerator pedal to rotate about its pivot point to increase a total available stroke in response to an energy recovery mode being activated. The electronic control unit is configured to control an amount of the regenerative braking torque to be applied using an accelerator pedal position. The electronic control unit is configured to cause the accelerator pedal to rotate about its pivot point to decrease the total available stroke in response to the energy recovery mode being deactivated.

The invention provides a distributed electric drive vehicle four-wheel differential torque enhanced steering control method and system, and belongs to the technical field of artificial intelligence risk prediction. The vehicle is provided with an upper-layer torque decision module, a lower-layer torque cooperation module and a vehicle-mounted sensor; selecting a pivot steering auxiliary strategy according to an actual driving scene, and pressing a function key to enter a working condition; vehicle dynamic information is obtained through a vehicle-mounted sensor, whether a vehicle is in an in-situ steering state or a small-radius steering state is judged by combining vehicle body static data, and when a selected function key is in an in-situ steering state or a small-radius steering state, the vehicle dynamic information is obtained in real time, and fuzzy reasoning and a neural network algorithm are combined. The ground attachment coefficient and the target yaw angle speed are intelligently judged, and therefore accurate control over the steering torque is achieved; or a double-controller structure is adopted, the torque of each wheel can be effectively distributed and adjusted under complex working conditions, and flexible control and stable running of the vehicle in a narrow space are ensured.

There is provided a vehicle control device including: an inverter that is configured to drive an electric motor; a DC / DC converter that is configured to step down a voltage output from a high voltage battery; a pre-charge circuit including a pre-charge switch; a voltage detector that is configured to detect an input voltage input to the inverter and the DC / DC converter; and a controller. When the input voltage is lower than the input voltage at the time when pre-charge of the inverter is completed, the controller is configured to determine that power supplied from a power supply of the DC / DC converter to the DC / DC converter is not normally stopped.