2735results about "Motorcycles" patented technology

The invention provides a dynamic power adaptive charging control system and method based on a W algorithm, and relates to the technical field of electric two-wheeled vehicle charging control. The system comprises a battery state sensing module, a charging power standard calculation module, a regulation and control model construction module, a model dynamic optimization module and a deviation early warning and regulation and control module. The battery state sensing module generates battery charging basic data; the charging power standard calculation module calculates a charging operation power standard value; the regulation and control model construction module generates an initial power regulation and control curve; the model dynamic optimization module calculates a self-adaptive charging power regulation and control curve; and the deviation early warning and regulation module realizes self-adaptive regulation of the charging power of the electric two-wheeled vehicle. According to the method, the power grid adaptability correction model is constructed and the regional differentiation parameters are introduced, so that power grid fluctuation is flexibly coped, wide-voltage stable operation is guaranteed, and the adaptability, the safety and the intelligent level of the electric two-wheeled vehicle charging system are comprehensively enhanced.

The invention discloses a frame manufacturing method and a frame, relates to the technical field of frame production, and aims to solve the problem that a welding seam at the splicing position of an existing motorcycle frame is obvious. According to the technical scheme, the method is characterized by comprising the following steps that S1, a metal plate is provided as a raw material, and a frame blank is formed through cutting; s2, the frame blank is placed in a stretching die on a hydraulic machine to be subjected to pressure forming, deformation of the frame blank is controlled through a cavity of the stretching die, and a continuous streamline curved surface is formed on a frame body; and S3, laser cutting is carried out on the frame body based on artificial intelligence. The method comprises the following sub-steps that S3.1, actual three-dimensional point cloud data of the surface of the stretched and formed frame body are obtained through an optical scanning system. According to the method, dense welding seams of traditional multi-section splicing are thoroughly eliminated through the integrated streamline forming technology, intelligent prediction and self-adaptive correction are conducted on material springback and thermal deformation in combination with the AI dynamic compensation cutting technology, and precise adaptation of the frame contour and the motor interface is achieved.

A motorcycle that inhibits damage to a transmission and a clutch. The motorcycle includes: a drive motor; a transmission; a clutch that connects or disconnects power transmission between the transmission and the drive motor; a mechanical oil pump that is driven by the drive motor to supply a coolant to the drive motor and the transmission; and a control portion that drives the drive motor to supply the coolant to the drive motor and the transmission if an accelerator operation is not detected and a neutral state is detected, or if an accelerator operation is not detected and a disconnected state of the clutch is detected.

An electric vehicle including a frame; at least one ground-engaging member operatively connected to the frame; an electric motor operatively connected to the at least one ground-engaging member; an electric powerpack supported by the frame, the powerpack including: a battery pack defining a battery cooling channel; and a plurality of battery cells housed in the battery housing; a charger defining a charger cooling channel; an inverter including an inverter cooling channel, the battery cooling channel, the charger cooling channel, and the inverter cooling channel being fluidly connected together by rigid fluid connections; radiators fluidly connected to the battery cooling channel; a cooling circuit being formed at least in part by the battery cooling channel, the charger cooling channel, the inverter cooling channel, and the at least one radiator; and a pump fluidly connected to the cooling circuit for pumping liquid coolant through the cooling circuit.

The structure and operation of a logistical system for charging electrical vehicles (EVs) are described. The logistical system may include synergistically interacting hardware and software components on a computer of a charging service, a plurality of EVs, and a plurality of charging stations. Charge information describing conditions of a battery of an EV, and EV location information, may be sent to the charging service computer. An application operating on the EV and / or driver's mobile device may receive data from the charging service, which may include a location of a charging station capable of charging the EV and an estimated charging time and / or cost for the battery charging. Charging stations, in communication with the charging service, provide information that assists the charging service to select an appropriate charging station. Mobile charging-vehicles may be directed to particularly needed locations by the charging service, and may charge electrically assisted bicycles and other vehicles.

A drivetrain for a mobility vehicle includes: an electric motor and a gearshift device having a plurality of gear ratios between a first gear ratio and an upper gear ratio, the electric motor being connected to at least one output sprocket of the gear shift device.

The invention discloses an electric motorcycle intelligent safety control system based on multi-sensor fusion. The system comprises a sensor module, a data processing unit, a target detection and classification module, a danger level evaluation module and a motor control module, and realizes all-weather and all-around environmental perception and target detection through data fusion of a millimeter wave radar, a visible light camera and an infrared camera. And the power output of the motor is intelligently regulated and controlled according to the detected danger level, so that the driving safety of the electric motorcycle is improved. The problem of limitation of a single sensor of an existing electric motorcycle safety system is solved, the stability and reliability of the system in a complex environment are improved, and early warning and intelligent prevention and control of potential risks are achieved.

The invention relates to the technical field of self-balancing two-wheeled vehicle control, and discloses a self-balancing two-wheeled vehicle control system based on autonomous following reinforcement learning, and the system comprises a sensing and positioning module which is used for collecting and processing multi-source sensor data in real time, and generating vehicle state information; the behavior decision module is used for constructing a driving mode decision for guiding a macroscopic driving behavior; the motion planning and control module is used for generating an actual motion instruction for driving the vehicle; the execution module is used for analyzing the generated actual action instruction and converting the actual action instruction into a driving signal for the self-balancing two-wheeled vehicle; and the vehicle state and dynamics model module is used for managing vehicle state information. A dynamic stability domain predictor is introduced, and bidirectional information coupling between a high-level strategy network and the predictor is established, so that an expected action instruction generated by a high-level decision is constrained in a physically feasible safe action space in real time before execution, and the physical stability of a vehicle in a complex dynamic state is ensured through a closed-loop feedback mechanism.

The invention relates to the technical field of motor driving, and discloses a motor driving direction correction method and device based on encoder feedback, and the method comprises the steps: respectively collecting first angle data of a first driving wheel and second angle data of a second driving wheel; calculating a direction deviation feature vector based on the first angle data and the second angle data, and performing time-varying dynamic mode decomposition on the direction deviation feature vector to obtain a motion mode feature; determining a motion mode identifier according to the motion mode characteristics and selecting a corresponding local controller to calculate a target control quantity; according to the method, different motion modes such as a straight-going steady state, conventional turning, climbing load and sharp-turn obstacle avoidance can be accurately identified, the dynamic influence relation between the two driving wheels is quantified, the problem of performance deterioration of a traditional single controller during working condition change is avoided, and the control precision of the motor driver is improved. And the accuracy of correcting the driving direction of the motor is improved.

Disclosed is a storage basket. The storage basket includes: a bottom wall, a left wall, a right wall, a front wall, a rear wall. Wherein the left wall extending substantially vertically upward from a left end of the bottom wall, the right wall extending substantially vertically upward from a right end of the bottom wall.

An electric vehicle includes a frame, at least one front wheel and at least one rear wheel coupled to the frame, one or more pedals coupled to the frame and configured for a user's engagement via pedaling, and a controller configured to output one or more driving signals in response to the pedaling of the one or more pedals. The electric vehicle also includes a first motor coupled to and configured to drive one of the front and rear wheels, and a first driver coupled with the first motor and configured to adjust the output to the first motor in response to the one or more driving signals.

A powered balancing mobility device that can provide the user the ability to safely navigate expected environments of daily living including the ability to maneuver in confined spaces and to climb curbs, stairs, and other obstacles, and to travel safely and comfortably in vehicles. The mobility device can provide elevated, balanced travel.

A method and apparatus are disclosed that assist a user in performing proper setup of a vehicle suspension. A user may utilize a device equipped with an image sensor to assist the user in proper setup of a vehicle suspension. The device executes an application that prompts the user for input and instructs the user to perform a number of steps for adjusting the suspension components. In one embodiment, the application does not communicate with sensors on the vehicle. In another embodiment, the application may communicate with various sensors located on the vehicle to provide feedback to the device during the setup routine. In one embodiment, the device may analyze a digital image of a suspension component to provide feedback about a physical characteristic of the component.

A transportation device is disclosed. One aspect includes a rear assembly that further includes a rear frame, and a first rear wheel and a second rear wheel mounted to the rear frame. The rear assembly may also include a first electric motor and a second electric motor mechanically connected to the first rear wheel and the second rear wheel respectively, and an electrical power source comprising a battery, configured to power the first electric motor and the second electric motor. The transportation device may also include a front assembly that includes a saddle and a front wheel connected to the saddle via a wheel hub and a fork. An aspect includes an elastomeric torsional element connecting the front assembly and the rear assembly.

The electric riding device includes: a frame body, a front wheel, a rear wheel, a handlebar assembly, a seat, a power device. Wherein the frame body includes a substantially flat base portion, a front raised portion extending upwardly from a front end of the base portion, and a rear raised portion extending upwardly from a rear end of the base portion.

A screen is attached to the saddle riding vehicle to face forward with respect to the saddle-riding vehicle, and permits passage of incoming air while preventing passage of foreign objects. The screen includes: a plurality of vertical fins extending in a vertical direction and arranged next to one another in a vehicle widthwise direction; and a lower fin connecting lower ends of the vertical fins and inclined downward towards a front. A first vertical fin located in an outermost position has a lower portion extending in an inwardly inclined manner in the vehicle widthwise direction towards a lower end thereof, and a front end portion extending in a downwardly inclined manner towards an outer end of the lower fin in the vehicle widthwise direction. The lower end of the first vertical fin and the outer end of the lower fin are connected by a connecting part.

A motorcycle with a single transmission breather that is mounted over the transmission case. Crank case gas passes through the breather. Oil separated from the breather drains back to a cavity under the breather. Gases separated in the breather travel through a breather hose to an airbox. The breather utilizes a sloped incline in order to prevent oil that separates out from pooling.

A dual function fluid adjuster assembly. The dual function fluid adjuster assembly has a first adjuster assembly for adjusting a first rebound fluid circuit and a second adjuster assembly for adjusting a second rebound fluid circuit. At least a portion of the first adjuster assembly is at least partially housed within a shaft assembly, and at least a portion of the second adjuster assembly is at least partially housed within the shaft assembly.

The utility model relates to the related technical field of motors of electric motorcycles, in particular to a motor of an electric vehicle, which comprises a motor shaft, first magnetic steel is fixedly connected to the inner side surface of an iron ring, and second magnetic steel is fixedly connected to the inner side surface of the iron ring. According to the electric vehicle motor, through the arrangement of the first magnetic steel and the second magnetic steel, when current enters the winding of the stator 11, the winding of the stator 11 can generate a rotating magnetic field according to the law of electromagnetic induction, and under the interaction of the magnetic field, generated electromagnetic force can drive the motor shaft 1 to rotate, so that electric energy is more effectively converted into mechanical energy; the double-row magnetic steel mode improves the strength of single magnetic steel, the double-magnetic-circuit mode is adopted, the two pieces of short magnetic steel are easy to machine, the manufacturing cost is low, the product cost is reduced, and the cost performance is improved.

The invention discloses an electric bicycle state monitoring method based on sensor fusion, and relates to the technical field of data analysis, and the method comprises the steps: obtaining a resonance cooperation index and a road energy permeability index through multi-dimensional data calculation, and carrying out the fusion to obtain a global feature vector; inputting the global feature vector under the time sequence into a preset double-branch prediction model, and outputting a riding intention and a riding mode; calculating a power demand according to the multi-dimensional data, performing adaptive power distribution according to the power demand and the riding mode, and when the riding intention is braking or downhill, performing energy recovery according to a preset energy recovery strategy; and calculating predicted energy consumption and a cost index of the road section, and performing path planning. According to the method, cooperation of a rider and a motor and road surface conditions are quantified through a resonance cooperation index and a road energy permeability index, riding intention and mode prediction is achieved through a double-branch prediction model, self-adaptive energy management and power distribution are achieved based on power requirements, energy recovery is triggered during sudden braking or downhill, and safe operation is ensured.

An orientationally flexible bump sensor is disclosed. The system includes at least one bump sensor mounted to a vehicle, the at least one bump sensor comprising at least two axes of measurement. A computer processor is configured to evaluate the at least two axes of measurement to determine which axis of the at least two axes of measurement has a highest magnitude vector and determine a gain value to cause the highest magnitude vector to be approximately 1 g. The computer processor will assign the gain value to the axis with the highest magnitude vector, such that the gain value is applied to each measurement generated by the axis with the highest magnitude vector.

This disclosure relates to display systems and methods for vehicles. This application discloses systems and methods for presenting information to recreational vehicle riders and providing them with customizable visual information. This application also discloses systems and methods for connecting and transmitting audio information between a driver's portable communication device and a driver's audio interface device, and between a passenger's portable communication device and a passenger's audio interface device, within a recreational vehicle.

This vehicle includes a lane keeping assistance system and a control device which controls steering of the vehicle, wherein the control device divides a width of a lane in which the vehicle travels into a plurality of virtual lanes and controls the vehicle so that the vehicle travels in one virtual lane among the plurality of virtual lanes. The control device controls the vehicle so that a traveling position of the vehicle is returned to an inside of the one virtual lane when the vehicle traveling in the one virtual lane is about to deviate from the inside of the one virtual lane.

A system for providing steering assistance in a vehicle includes an electric motor and an Electronic Control Unit (ECU) electronically coupled to the electric motor. The ECU determines whether the vehicle is in a straight running state, a transient running state, or a steady cornering state. A first control signal is sent to the electric motor to set torque of the electric motor to a first value based on the determination that the vehicle is in the transient running state or the steady cornering state. A second control signal is sent to the electric motor to set torque of the electric motor to a second value based on the determination that the vehicle is in the straight running state.

The invention provides a riding gear switching reminding method and system based on electronic speed change, electronic equipment and a storage medium. Real-time vehicle states are represented by pedaling frequency, vehicle speed and gears. Environment information taking the current road gradient and a predicted gradient sequence generated based on the front path as the core; and the user personalized parameters comprise the optimal pedaling frequency interval. According to the current state evaluation step, real-time vehicle data and the current gradient are combined to estimate the riding load, collaborative analysis is conducted on the riding load and the optimal pedaling frequency interval preset by a user, and therefore whether the current gear is matched with the riding state or not is judged. In the future trend prediction step, the real-time data, the current gradient and the front predicted gradient sequence are utilized to simulate the riding state change in a future period of time under the condition that the current gear is kept unchanged, and whether two core indexes of the pedaling frequency and the load deviate from an ideal range or not is emphatically pre-judged. And in the decision instruction output step, intelligent response is made according to the preorder evaluation and prediction result.

A micromobility electric vehicle includes a front storage volume and a rear storage volume. The front storage volume may be defined on two sides by an angled footboard portion and a column. The rear storage volume may be defined on two sides by a curved footboard portion and a seat post. Retainers including an elastic member may be employed in the front and / or rear storage volume to releasably secure objects of different sizes and shapes in the front or rear storage volumes. Hooks may be employed in the front and / or rear storage volumes to allow an object with a strap to be supported in the front or rear storage volume.

A power storage module which includes a plurality of batteries connected in series and is capable of controlling operation of a heater on the basis of a battery with the lowest battery temperature is provided. The power storage module includes a first battery and a second battery connected in series, the heater, and a control circuit; the heater is provided close to the first battery and the second battery and is electrically connected to an IC included in the control circuit; the control circuit includes a first voltage sensor that senses a voltage of the first battery, a second voltage sensor that senses a voltage of the second battery, and a current sensor that senses a current flowing through the first battery and the second battery; and in charging the first battery and the second battery, the heater is turned on by a signal from the IC in the case where a differential voltage between a first peak voltage of dQ / dV calculated from a detection value of each of the first voltage sensor and the current sensor and a second peak voltage of dQ / dV calculated from a detection value of each of the second voltage sensor and the current sensor is higher than or equal to 5 mV.

A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.

An interface module for charging and discharging an electrochemical energy store for an electrical consumer, in particular for an electric-motor-powered vehicle, includes a first interface and at least one second interface that is electrically connected to the first interface. The first interface is designed, in particular of proprietary design, such that the interface module is connectable to a corresponding counterpart of the electrochemical energy store. The at least one second interface is of universal design such that the interface module is connectable to a corresponding counterpart interface of an external constant-voltage or constant-current source for the purpose of charging the electrochemical energy store. The at least one second interface is further connectable to a corresponding counterpart interface of a further electrical consumer for the purpose of discharging the electrochemical energy store.

Disclosed herein are exemplary devices that provide balance assistance and fireproofing to electric scooters. The devices described herein can be clipped onto existing scooters, providing balance improvements via one or more training wheels and providing fireproofing improvements via one or more units containing fire-suppressant materials. A device may be attached to the center of a scooter's standing platform to improve the stability of the scooter and to provide fireproofing to the batteries. The device can include two training wheels, each positioned to an opposite side of the standing platform, to provide the vehicle with stability. The training wheels may be connected to an axle that is mounted to a fireproofing unit. The fireproofing unit, which contains fire-suppressant materials, can clamp to the standing platform, which contains at least a portion of the batteries. Users can adjust, reposition, and / or remove portions of the balance assistance and fireproofing device.