27248 results about "Motronic" patented technology

An electrified fire fighting vehicle includes a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, a water pump, an energy storage system, an engine, an electric motor coupled to the engine and the energy storage system, and a power divider positioned between the electric motor, the water pump, and the rear axle. The power divider facilitates selectively driving the water pump and the rear axle with the engine and the electric motor.

The invention discloses a dual-electric brake boosting system for a heavy-duty vehicle and a coordinated control method of the dual-electric brake boosting system, and relates to the technical field of vehicle brake control. The invention discloses a dual-electric brake power-assisted system for a heavy-duty vehicle and a coordinated control method thereof. The coordinated control method comprises the following steps that S1, a multi-source sensor synchronously collects and preprocesses wheel speed, current, suspension and pedal signals; s2, estimating the load in real time through Kalman filtering, and outputting a dynamic load coefficient to guide distribution; s3, triggering interruption when the pedal force change rate exceeds the threshold value, and directly outputting the maximum braking force; s4, dynamically distributing the braking force, predicting the temperature rise, and adjusting the output weights of the double boosters; s5, outputting a digital twinborn verification theory, and starting a compensation algorithm after deviation overrun; s6, encrypting an instruction by a TSN protocol, and ensuring low-delay transmission and communication security; s7, a closed-loop optimization link is formed based on the actual braking data calibration model; the method has the beneficial effect that the real-time performance, safety and reliability of the braking system are comprehensively improved.

The invention discloses a dual-electric brake boosting system, which belongs to the technical field of vehicle brake control and comprises the following steps: S1, dynamically calculating quadrature-axis inductance parameters, generating a synchronous magnetic field signal and inhibiting electromagnetic interference of dual motors; s2, extracting a harmonic-rotating speed mapping relation, and dynamically correcting an observation equation to control a parameter error; s3, reconstructing neutral point voltage to counteract high-frequency jitter, and reducing residual harmonic interference through adaptive filtering; s4, establishing a three-dimensional thermal field to predict copper and iron loss, dynamically adjusting current and generating an inverse time limit protection curve; s5, splitting the hot parameters into parity check frames, optimizing a communication protocol and compressing a refresh cycle to 10ms; s6, overlapping response of the white noise excitation system, and performing closed-loop calibration on the filtering weight to improve the observation precision; s7, triggering an audible and visual alarm and synthesizing a directional voiceprint and a tactile pulse to ensure safety regulations and perception intensity; the method has the beneficial effects that the method has remarkable advantages in a high-temperature and high-vibration severe environment, and the reliability and the safety of a system can be improved.

A gearbox assembly includes a gearbox and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3, inclusive of the endpoints. The lubricant extraction volume ratio defined by: VG / VGB. VG is a gutter volume of the gutter and VGB is a gearbox volume. A gas turbine engine includes the gearbox assembly. The gas turbine engine includes an electric power system including at least one electric machine. The electric power system includes a plurality of power converters and a plurality of power distribution management units. At least two of the plurality of power converters or the plurality of power distribution management units are integrated together in a single housing.

Electric and hybrid off-road vehicles, accessories and frames therefor are provided. An off-road vehicle comprises a frame assembly, at least one front and rear wheel, at least one electric motor, at least one battery and at least one final drive unit operatively coupled to at least one wheel. The electric motor is operatively coupled to the final drive unit for transferring torque from the electric motor to the wheel. A battery assembly having electric components integrated thereto is provided. A structural battery is configured to provide a structural connection between at least two of a top, bottom, front and rear portions of a frame assembly for an off-road vehicle, and for receiving loads therefrom. Improved drivetrain arrangements provide flexibility in operating an off-road vehicle and improve overall performance. The environmental impact of off-road vehicles is reduced. Weight and complexity of off-road vehicle frames are reduced without affecting stability or safety.

Provided are an electric wagon and an electronically power assisted wagon. The electric wagon includes a wagon body including at least a foldable frame; a handle device connected to the wagon body; a walking assembly including at least driving wheels; a drive motor configured to drive the driving wheels to rotate; a power supply connection portion configured to be detachably connected to a battery pack for supplying power to the drive motor, and a controller electrically connected to at least the drive motor to control the drive motor to rotate.

The electric luggage case comprises a case body, a steering device and a pedal device, the steering device comprises a T-shaped steering support, handles are arranged on the left side and the right side of the steering support respectively, first inclined parts with downward inclined faces are formed at the left end and the right end of the steering support respectively, and second inclined parts are formed at the upper ends of the handles. The second inclined part is attached to the first inclined part; the pedal device comprises a pedal fixing seat, a pedal body is arranged in the pedal fixing seat in a penetrating mode, the pedal body is in sliding fit with the pedal fixing seat, a pedal limiting mechanism is arranged at the bottom of the pedal fixing seat, and pedal keys are arranged at the top of the pedal body. The handle is convenient to store and stretch, and steering control and walking control are easy to achieve.

A work apparatus includes: a housing; a motor support unit designed separately from the housing, the housing being fixed to the motor support unit. A drive motor is designed as an electric motor for driving a tool and is attached to the motor support unit. A receptacle housing designed separately from the motor support unit for receiving at least one battery pack for supplying the drive motor with electrical power is fixed to the housing. The receptacle housing and the motor support unit are designed and arranged relative to each other in such a way that the receptacle housing is able to move relative to the motor support unit in order to reduce, in particular to prevent, direct transmission of inertial forces emanating from the receptacle housing to the motor support unit in the event of an impact load on the work apparatus.

The invention relates to an integrated oil cooling hub speed reduction electric wheel which comprises a motor, a planetary gear speed reducer and a bearing system which are arranged in the axial direction, and the planetary gear speed reducer is arranged in the motor and integrated with a brake. The bearing system comprises a rotor supporting bearing used for supporting a motor rotating system and a hub bearing used for supporting a wheel rotating system, the motor, the planetary gear reducer and the rotor supporting bearing are designed in an integrated oil cooling mode, and cavities where the motor, the planetary gear reducer and the rotor supporting bearing are located are communicated with one another. Cooling liquid cools and lubricates the motor, the planetary gear reducer and the rotor supporting bearing at the same time. Compared with the prior art, the electric wheel is compact in structure, the number of sealing pieces of the electric wheel can be reduced on the premise that the electric wheel has good structural rigidity, the axial size of an electric wheel assembly is reduced, and the electric wheel has the advantages of being good in cooling effect and easy to maintain.

The invention discloses a child electric motorcycle intelligent safety control system based on the Internet of Things, and relates to the technical field of electric motorcycle safety control. The problem of insufficient driving risk perception and control response of children is solved. The method comprises the following steps: firstly, fusing obstacle trajectory prediction, a road adhesion coefficient and an environment contour, constructing a dynamic risk vector field, and generating a collision probability and out-of-control coefficient fused risk assessment matrix; then, the matching degree of handle operation and vehicle body response is calculated through cross attention, and a third-level behavior label is output; according to the behavior level and the risk direction, anti-sideslip control or progressive power limitation is executed, and intervention characteristics are recorded; and finally, constructing a virtual training task by using parent operation data, extracting a personalized control threshold, dynamically optimizing system parameters, and realizing a child driving behavior-oriented closed-loop safety control system.

The electrified vehicle includes a vehicle body, a plurality of wheels configured to support the vehicle body, a power unit attached to the vehicle body and configured to drive at least one of the plurality of wheels, and a high-voltage cable arranged in a vertical direction behind the power unit. The vehicle body is configured to support a lower portion of the power unit, and the upper portion of the power unit is configured to be connected to or engaged with the vehicle body via a bracket at least in a vehicle front-rear direction.

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 two-way oil-collecting reducer and an electric vehicle. The reducer includes an input gear, an intermediate gear set, an output gear, and an oil sump, and the oil sump includes a radial sump opening and a circumferential sump opening. An orientation of the radial sump opening is away from the intermediate gear set along a radial direction of the intermediate gear set. An orientation of the circumferential sump opening faces the output gear along a circumferential direction of the intermediate gear set. The radial sump opening and the circumferential sump opening are formed at the oil sump, so that the oil sump can collect lubricating oil churned by a gear train when the input gear drives, via the intermediate gear set, the output gear to rotate forward or reversely, to increase an amount of lubricating oil collected by the oil sump.

The invention discloses an electric wheel dumper energy-saving control method and system based on braking energy recovery, and relates to the field of electric vehicle energy-saving control, and the method comprises the steps: calculating an energy fluctuation value through collecting wheel rotation speed deceleration, building a cross-cycle energy accumulation curve, and generating an energy prediction feature map; establishing a double-loop energy mapping relation according to the energy prediction feature map, dividing the double-loop energy mapping relation into a quick response path and an optimization calculation path, and outputting a time-sharing braking strategy; the torque switching process is compensated, and a smooth braking instruction is output; generating a segmented charging power curve in combination with the maximum allowable charging power; carrying out segmented adjustment on the charging current to generate a charging control signal and calculating real-time charging conversion efficiency; and the charging conversion efficiency value is distributed to the dual paths according to the time weight, and the time-sharing braking strategy is adjusted. By establishing a double-loop control strategy of braking energy prediction and charging efficiency optimization, the energy recovery efficiency is improved, and collaborative optimization of the braking and charging processes is realized.

Various embodiments of a trash can assembly (e.g., a receptacle configured to receive refuse, recycleable materials, or otherwise), and related methods, are provided. Some embodiments of the trash can assembly include a body component and a lid configured to move between an open position and a closed position. In some variants, the lid can be moved between the open and closed positions by a power operated driving mechanism, such as a motor and / or other drivetrain components. In certain embodiments, the trash can assembly includes a clutch mechanism to facilitate manual operation of the lid while inhibiting or preventing damage to the motor and / or other drivetrain components.

Presented are high-voltage (HV) electrical system architectures for vehicle-to-vehicle (V2V) charging of vehicle batteries, methods for making / using such systems, and vehicles equipped with such systems. An HV electrical system for a motor vehicle includes a main HV bus that electrically connects the vehicle's traction motor(s) to the vehicle's battery pack(s), and a charging inlet port that electrically mates with and receives direct-current (DC) power from DC fast-charging (DCFC) cables of a donor vehicle and a charging station. A DC-to-DC (DC-DC) converter is interposed between and electrically connects the charging inlet port to the main HV bus. The DC-DC converter is operable in a bypass mode, in which the DC-DC converter passes therethrough DC power received from the DCFC cable of the charging station, and a vehicle-to-vehicle (V2V) mode, in which the DC-DC converter modulates DC power received from the DCFC cable of the donor vehicle.

Provided is an electric heavy-load push-pull tool including a power input unit, a power conversion unit and a power output unit. Through the transmission design of multiple stages of reducers and a planetary roller screw of a downhole operation tool, low-speed and high-torque power output of the motor is realized. The heavy-load push-pull tool provided by the present disclosure can not only provide large-torque thrust force, but also provide large-torque pulling force. A forward direction of a transmission nut is based on a rotation direction of a motor. By controlling the forward rotation or reverse rotation of a transmission shaft of the motor, the forward or backward movement of an operation tool can be realized at low cost through power transmission.

The invention relates to the technical field of intelligent control, in particular to a dynamic shelf level intelligent scheduling system. The system comprises a goods shelf distribution module, a mechanical element friction optimization module, a goods gravity center shift evaluation module and a goods handling simulation module. Obtaining storage structure data, and carrying out dynamic shelf storage space detection to obtain dynamic shelf storage space data; obtaining cargo information; performing cargo shelf distribution simulation according to the cargo information and the dynamic shelf storage space data to obtain cargo shelf distribution data; performing electric push rod stroke anomaly detection according to the goods shelf distribution data to obtain electric push rod stroke anomaly data; based on the abnormal stroke data of the electric push rod, driving motor locked-rotor detection is carried out to obtain driving motor locked-rotor data; and performing mechanical element friction optimization according to the locked-rotor data of the driving motor to obtain element friction optimization data. The warehousing operation efficiency and the system operation stability are improved based on the intelligent control technology.

An electric work machine with improved workability at high output, configured to cut a work target, is provided. The electric work machine comprises: a working portion configured to cut the work target and a main body including: a housing; a flow path forming portion; a motor; and a control unit, wherein the motor generates rotational power for driving the working portion, the control unit electrically controls rotation of the motor, the flow path forming portion forms an air flow path including a first air flow path and a second air flow path, the first air flow path communicates with an exterior of the housing to allow external air to flow to the motor via the control unit, and the second air flow path communicates with the exterior of the housing so as to allow external air to flow directly to the motor.

A direct current fast charging (DCFC) control system for a range extended electrified vehicle (REEV) includes a set of DCFC connectors electrically connecting a high voltage battery system of an electrified powertrain of the REEV to a charging port of the REEV and a control system configured to determine an ambient temperature external to the REEV, access a temperature model configured to model a temperature associated with the set of DCFC connectors, wherein the temperature model accounts for heat energy generated by an engine of the electrified powertrain, determine, using the temperature model, a modeled temperature associated with the set of DCFC connectors, and control, based on the ambient temperature and the modeled temperature associated with the set of DCFC connectors, a DCFC current provided by an external DCFC station to a high voltage battery system via a charging port and the set of DCFC connectors.

The invention relates to a brake system including at least one brake with an electric brake actuator, at least one electronic control unit for controlling the at least one electric brake, and two different power supply units connected to the at least one electronic control unit and configured for supplying energy to the at least one electric brake actuator. The at least one electronic control unit comprises a first brake actuation system for activating the electric brake actuator and a redundant brake actuation system for activating the electric brake actuator in case of a failure of the first brake actuation system. The invention also relates to a method for using the brake system.

The invention relates to the technical field of electric workover rig thermal management, and discloses a workover pump truck electric drive thermal management method and system, and the system comprises a multi-source temperature collection module, an operation state monitoring module, a thermal management analysis module, a strategy matching engine module, a dynamic execution control module, a feedback optimization module, and a prediction decision module. The method comprises the following steps: acquiring environment temperature, motor temperature, battery temperature and cooling liquid temperature data; obtaining motor power, battery current and a vehicle operation mode; generating a thermal management demand level based on the temperature and the operating parameters; matching natural cooling, air cooling or liquid cooling strategies according to grades; cooling operation is executed, the temperature change rate is calculated in real time, and the cooling intensity is dynamically adjusted; when the threshold value is exceeded, liquid cooling cooperative control is started; predicting a thermal load trend through an LSTM model, generating a dynamic cooling plan, and optimizing an execution priority; and a thermal management efficiency evaluation report is output, so that the operation reliability and energy efficiency of the electrically-driven workover pump truck are improved.

The invention provides an electric engine, a control method, a related device, a motor controller and an aircraft, and relates to the technical field of aircrafts. The electric engine comprises a power motor, a heat dissipation system and a control module, a cavity is formed in the power motor, the control module is integrated in the cavity, the space occupied by the electric engine is reduced, and therefore the size of the aircraft is reduced; the control module comprises a plurality of integrated driving modules, part of the driving modules are electrically connected with the power motor so as to control the power motor, and part of the driving modules are electrically connected with a heat dissipation motor in the heat dissipation system so as to control the heat dissipation motor. The performance and efficiency of the electric engine are improved through unified integrated control over the power motor and the heat dissipation motor. And through a unified control architecture, the system design is simplified, the development and maintenance cost is reduced, and the maintainability of the electric engine is improved.

Systems and methods for an electric drive unit. The electric drive unit includes, in one example, a first electric machine rotationally coupled to a first drive wheel via a first gear train and a second electric machine rotationally coupled to a second drive wheel via a second gear train. The electric drive unit further includes a disconnect clutch that is configured to selectively rotationally couple the first electric machine and the second electric machine and a park lock assembly that is coupled to one of the first gear train and the second gear train and is configured to inhibit rotation of the corresponding gear train.

A power door actuation system for a door of a vehicle is provided. The system includes a housing mounted to the door and an actuator mounted within the housing that includes an electric motor configured to output a motor force. The actuator also includes a geartrain with a geartrain input coupled to an output of the electric motor for receiving the motor force and a geartrain output for applying an output force to the door. An extendible member is configured for extension and retraction in response to actuation by the geartrain output for moving the door. The system determines the output force to compensate for external forces affecting the motion of the door, adjusts the output force determined to an adjusted output force to compensate for internal forces affecting the operation of the actuator, and controls the electric motor to move the door at the adjusted output force.

The invention relates to the technical field of electric vehicles, and provides a cooling system for a hub motor, the hub motor and an electric vehicle, the cooling system for the hub motor comprises a base and a transmission shell, the base is internally provided with a first cavity and a second cavity, the second cavity is provided with a gear transmission assembly, the side wall of the first cavity is provided with a first cooling liquid flow channel, and the side wall of the second cavity is provided with a second cooling liquid flow channel; a second cooling liquid flow channel is formed in the side wall of the second cavity; the transmission shell is of a cylindrical structure with the first end open and the second end closed, the transmission shell is arranged outside the second cavity in a sleeving mode, the first end of the transmission shell is rotationally connected with the machine base in a sealed mode, the transmission shell is connected with the hub, an oil cavity is formed between the inner side wall of the transmission shell and the outer side wall of the machine base, and the oil cavity is communicated with the second cavity. Through the arrangement, the second cooling liquid flow channel can be used for cooling the second cavity, gear oil in the second cavity can enter the oil cavity, and the second cooling liquid flow channel can also be used for cooling the gear oil in the oil cavity, so that the problem of over-temperature failure of the motor and the gear can be avoided.

An integrated hydrogen-electric engine includes, an air compressor system; a hydrogen fuel source; a fuel cell; an elongated shaft connected to the air compressor system or a propulsor; and a motor assembly disposed in electrical communication with the fuel cell, wherein the air compressor system includes a plurality of electrically driven compressors configured to run in series or parallel.

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.

Systems and methods for clamping force estimation are provided. In one example, operations include generating a displacement-torque curve based on displacement data and motor torque data of an electric motor of the EMB system for a braking episode having a switchover time. The operations also include determining a high torque value and a low torque value at the switchover time from the displacement-torque curve. The operations further include calculating a friction coefficient based on the high torque value and the low torque value. The operations yet further include determining a non-linear coefficient from the displacement-torque curve. The operations include estimating a clamping force for a constant speed based on the friction coefficient and the non-linear coefficient.