1861results about "Electric propulsion" patented technology

A system and method in at least one embodiment provides the means for conditioning batteries for increased battery capacity, battery runtime, reduced battery temperature while charging, and / or reduced battery temperature while in use, using current generated from a generator.

A system in at least one embodiment includes a generator having a disk-pack turbine, a coil array, and a magnet plate. The system in at least one embodiment conditions batteries for increased battery capacity, battery runtime, reduced battery temperature while charging, and / or reduced battery temperature while in use, using current generated from the generator.

A system and method in at least one embodiment provides magnetic levitation to a vehicle above and / or partially about a rail or track using a flux field generator having a plurality of members having mated waveform patterns. In a further embodiment, the magnetic levitation also uses a distribution system. In a further embodiment, the plurality of members forms a disk-pack turbine. In a further embodiment, the flux field generator is not vehicle based.

A system and method in at least one embodiment generates, transmits and distributes a diamagnetic field using a flux field generator and a distribution system. In at least one embodiment, the flux field generator is mounted on a platform or a vehicle. In a further embodiment, the flux field generator is not vehicle based.

The invention discloses a high-temperature superconducting electric maglev vehicle multi-mode damping device based on an electromagnetic shunting technology. The high-temperature superconducting electric maglev vehicle multi-mode damping device comprises a coil system and a vehicle suspension frame. Wherein the coil system comprises a vehicle-mounted superconducting magnet, an 8-shaped suspension guide coil and a propulsion coil; the vehicle suspension frame carries a vehicle-mounted superconducting magnet, a low-temperature container, a damping coil and an external circuit module. Accurate design of electromagnetic parameters is achieved through a plurality of branch parallel circuits, dynamic responses of different frequencies can be effectively matched, and multi-mode vibration reduction is achieved in a passive mode. An optimized damping effect can be provided for various vibration modes in a rail system without depending on an active control system, and the vibration reduction performance of the system is remarkably improved. Aiming at different vibration frequencies, adjustment can be carried out by replacing components such as capacitors and inductors in the branches, the structure is simple, and the cost is low.

The invention provides a high-speed magnetic levitation suspension system control method and system based on edge calculation and Transform prediction, and the method comprises the steps: constructing a Transform prediction model with a space-time attention mechanism and an autoregression mechanism based on obtained local low-delay calculation resources and train real-time sensing data, and deploying the Transform prediction model in a vehicle-mounted edge calculation unit; performing short-term high-precision prediction on the gap, the acceleration and the disturbance trend at a plurality of sampling moments in the future through a Transform prediction model to obtain a prediction result; processing actuator current saturation and gap safety threshold hard constraints in a limited prediction domain by using a model prediction controller, and solving an optimization control sequence in real time in combination with a prediction result; and overlapping a control barrier function as a safety filter of the model prediction controller, correcting the optimized control sequence to obtain an optimal control sequence, and controlling the high-speed magnetic suspension system. According to the method, the cloud communication delay and jitter are reduced, and the robustness and security of the system under uncertain disturbance are improved.

A battery swapping station, comprising: vehicle parking areas (1), two vehicle parking areas being provided; battery compartments (2), a plurality of battery compartments being provided and located between the two vehicle parking areas (1), and at least one of the plurality of battery compartments (2) having a vacant state for waiting for a battery to be placed in; and a grabbing mechanism (3) arranged among the plurality of battery compartments (2), the grabbing mechanism (3) being adapted to place a discharged battery into the vacant battery compartment (2) and mounting a fully-charged battery to a vehicle to be subjected to battery swapping.

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. Opposite ends of a roadside barrier contain complementary tubular couplers arranged vertically. A lower end of a dielectric post positioned in one of the tubular couplers has opposing dielectric plates at an upper end. A top edge of each plate has a creepage concavity between a pair of rail recesses. Another dielectric post of similar configuration is positioned in the other of the tubular couplers. Holes within the couplers and the posts ensure alignment of respective rail recesses in which conductive rails are placed. Dielectric inserts frictionally lock the rails into the rail recesses.

The present disclosure relates to a maglev bogie, in particular to a maglev bogie with a centering function and a guiding method thereof. The maglev bogie comprises a maglev guide frame, crank arm brackets, guide wheels, first onboard magnet groups and cylindrical gears, wherein the crank arm brackets are hinged to the four corners of the top and bottom of the maglev bogie, the guide wheels are rotatably connected to the ends of the crank arm brackets, two first onboard magnet groups are slidably connected to each of the two inner sides of the upper part of the maglev guide frame, some of the cylindrical gears are connected to the top of the maglev guide frame where the upper crank arm brackets are hinged, two of the cylindrical gears are rotatably connected to each of the two sides of the top of the maglev guide frame, and every two adjacent cylindrical gears are meshed with each other. With the arrangement of the crank arm brackets, the guide wheels and the cylindrical gears, when the guide wheels on one side is squeezed by overhead track beam and displaced, the guide wheels on the other side can be synchronously driven to displace, so as to ensure a centered state of the maglev guide frame, the first onboard magnet groups, the overhead track beam and beam-borne magnetic track.

The invention discloses a guide constraint control method for a maglev high-speed rail under network attacks, and belongs to the field of rail transit. The method adopts a dynamic air gap constraint and boundary layer sectional type continuous adjustment technology to perform anti-network attack control on the maglev high-speed rail guide system: establishing a dynamic mathematical model and a lateral centrifugal force model of the maglev high-speed rail guide system, and further obtaining a state-space equation and a centrifugal force suppression control rate of the maglev high-speed rail guide system; constructing a satellite navigation network attack model of the maglev high-speed rail track and driving information; converting a state-space equation of the magnetic levitation high-speed rail guiding system into a control equation of the magnetic levitation high-speed rail guiding system containing wind shear disturbance and guiding force mismatch matching interference; dynamic constraint control is adopted, a guiding controller is designed, and guiding constraint control over the magnetic levitation high-speed rail under network attacks is achieved. While the starting stability of the maglev high-speed rail is improved, mismatch of the guiding force is rapidly compensated, and stable operation of the maglev high-speed rail is guaranteed.

The present invention is in the field of a National Individual Floating Transportation Infrastructure (NIfTI) wherein floating vehicles can travel by magnetic levitation and propagation. The vehicles can travel at a controllable height above the existing, albeit modified, road infrastructure and at relatively high speeds.

The straddle type monorail bogie comprises a framework assembly, a walking wheel assembly, a driving assembly and a planetary gear reducer, the framework assembly comprises a framework body and a fixing assembly, and the fixing assembly is detachably and fixedly connected with a connecting beam in the framework body so that the fixing assembly and the connecting beam can detachably clamp the driving assembly; the driving assembly, the walking wheel assembly and the planetary gear reducer are integrated into a whole, and the driving assembly, the walking wheel assembly and the planetary gear reducer can be separated from the framework assembly by disassembling the fixing assembly. The framework assembly is provided with the receding space for the driving assembly, the walking wheel assembly and the planetary gear speed reducer to be separated from the framework body from the lower side of the connecting beam, so that the walking wheel assembly, the driving assembly and the planetary gear speed reducer can be disassembled without disassembling the framework body, walking wheels do not need to move axially within the limited axial space size, and the structure is simple and convenient. According to the wheel replacing device, the mode of directly discharging the wheels downwards in the vertical direction can be achieved, the walking wheels are not disassembled and replaced, the wheel replacing time is saved, and the wheel replacing efficiency is improved.

The invention discloses a suspension control fault detection and recovery method and device for a maglev train and a medium, and relates to the field of maglev trains, and the method comprises the following steps: S1, constructing a linearized suspension system model; s2, reconstructing a state vector, and generating a suspension gap estimation value; s3, constructing a health probe set, and executing a signal selection strategy; s4, detecting a slow change fault based on the statistical accumulation characteristic of the residual error, and outputting a slow change fault detection result; s5, monitoring the variation trend of the residual error, and triggering a reset mechanism to clear historical accumulated data when a reset condition is met; and S6, generating a final fault mark, and forcibly updating the fault mark to a normal state if a reset mechanism is triggered. According to the hierarchical collaborative decision-making architecture based on the maglev train lap joint structure dynamic model, the condition of performance degradation or failure does not occur in a real system by the algorithm, so that the engineering applicability and reliability of fault diagnosis are improved.

The present invention discloses an embedded maglev rail vehicle maintenance device and a rail system thereof, and relates to the technical field of rail vehicle maintenance. The technical solution provided by the present invention couples a rail and a jacking unit for specifically performing a jacking action. The jacking unit can move vertically and extend out of a section of a power supply rail, thereby jacking up an embedded maglev rail vehicle that falls on the power supply rail, or sinking into / leveling two adjacent sections for the embedded maglev rail vehicle to directly enter. The maglev rail vehicle can be jacked up after moving onto the rail, and the operation efficiency is higher. The present invention is particularly suitable for maintenance equipment.

A track-based guided transportation system, wherein a vehicle moving along the track-based guideway can operate using an integrated magnetic levitation, suspension and propulsion technology. The vehicles can move aloft with reduced resistance and lower power consumption to attain contact or contactless displacement.

The invention relates to the technical field of traction power supply, in particular to a networked support power supply method and system for an urban rail power supply system, and the method comprises the steps: firstly obtaining the information of the urban rail power supply system and an urban rail line in a designated range, and constructing an urban rail topology model; the urban rail topology model is input into a preset simulator for a first simulation experiment, and the reserve capacity of each switching station in the normal operation state is obtained; the urban rail topology model is input into a preset simulator for a second simulation experiment, and operation parameters of the urban rail power supply system when different to-be-selected schemes are adopted under the condition that the designated switching station breaks down are obtained; and judging whether each candidate scheme meets a preset constraint condition, for each candidate scheme meeting the preset constraint condition, respectively calculating the number of kiosk covered by the power supply area corresponding to the adjacent switching station for supporting power supply, and selecting the candidate scheme with the minimum number of kiosk as the optimal supporting power supply scheme. The feasibility and the effect of the method are better.

The invention relates to a permanent magnet maglev train which comprises a train body, permanent magnet rails and sleepers, a linear motor primary is arranged in the middle of the bottom of a suspension frame, vehicle-mounted permanent magnets are arranged on the two sides of the bottom of the suspension frame respectively, and the vehicle-mounted permanent magnets on the two sides are located over the corresponding permanent magnet rails respectively; a linear motor secondary is laid in the middle of the line, and the linear motor secondary is located under the linear motor primary at the bottom of the suspension frame; steel rails are laid on the two sides of the line respectively, supporting wheels and guide wheels are arranged on the two sides of the bottom of the suspension frame respectively, the supporting wheels are connected to the top faces of the corresponding steel rails in a rolling mode, and the guide wheels are connected to the outer side faces of the corresponding steel rails in a rolling mode. The vehicle-mounted permanent magnets on the two sides and the corresponding lower permanent magnet rails are arranged in a staggered and offset mode. According to the invention, the vehicle-mounted permanent magnets on the vehicle body and the corresponding permanent magnet tracks below adopt a staggered bias design, so that the influence of the guiding force (transverse force) of the permanent magnet magnetic suspension system on the stability of the system can be reduced.

A system for distributing wear on multiple movers in an independent cart system includes a machine learning model executing on a processor. The machine learning model may include models of operation for each of the movers, and the machine learning model is operative to receive multiple inputs for each of the movers. Each of the inputs corresponds to an operating condition for one of the movers as the mover travels along a track for the independent cart system. Each of the inputs are received for each of the movers over multiple runs along the track, and the inputs received generate a training set of data for the movers. A weighting value is determined for each of the movers as a function of the training set of data, where the weighting value corresponds to a level of wear present on each of the movers.

A vessel hybrid combined cycle power and propulsion system includes a steam turbine, a gas turbine, an auxiliary generator, an electric propulsion drive system, and an energy storage system, each connected to an AC bus. The system further includes a source of steam for the steam turbine, a control system for controlling operation of the steam turbine, gas turbine, auxiliary generators, electric drive propulsion system and energy storage system. The primary source of steam for the steam turbine is exhaust gas from the gas turbine. The primary source of gas for the gas turbine is boil off gas from the cargo hold. The AC bus includes a plurality of sections of AC bus coupled together by bus ties closed in normal operation forming a closed ring AC bus. The electric propulsion drive system includes a variable speed drive, driving an electric motor coupled through a drive shaft to a propeller.

A system and method are disclosed enabling the use of electromagnetic engines to traverse a wheeled bogie assembly across a plurality of rails. The electromagnetic engines may be used within a rail assembly comprising four rails and a frog assembly. Further, the electromagnetic engines may be used to traverse between a straight path and a turnout path at a non-moving rail switch having a frog assembly. In one aspect, an algorithm for powering various coils is disclosed wherein the algorithm controls the power level to switch tracks connected to the frog assembly.

A monitoring system having a track; a cart carrying at least one monitoring device and a power supply; and a propulsion system for moving the cart along the track. the monitoring system scanning an area alongside the track.

The invention provides a path quadratic planning method and system in an extreme endurance mode and an electric vehicle, and the method specifically comprises the following steps: after the vehicle enters the extreme endurance mode, turning off the comfort function of the vehicle, finding a minimum energy consumption driving path from a current position to a target position, and starting the driving path from the current position to the target position; and taking the path with the minimum energy consumption as a driving path from the current position to the target position. When the endurance mileage of the vehicle is low, the extreme endurance mode is selected to be started according to the condition that the endurance mileage is insufficient, and in the extreme endurance mode, the driving path with the minimum energy consumption between the current position and the final position or between the current position and the charging station is selected, so that the trouble of a user to the endurance mileage of the vehicle is relieved as much as possible.

A method for harnessing wave energy includes providing a vehicle to a body of water, the vehicle. The method includes submerging the vehicle to a depth in the body of water. The method includes operating the motor-generator of the vehicle in the first quadrant of the motor-generator. The method includes detecting a phase of a wave in the body of water based information from the processor of the detected phase. The method includes orienting the vehicle to lag the phase of the wave based on the detected phase of the wave. The method includes synchronizing an inertial acceleration of the vehicle to movement of the wave. The method includes switching the motor-generator to the second quadrant for generation mode to convert energy from the movement of the wave to electrical energy. The method includes storing the energy from the wave in the rechargeable battery source.

The utility model relates to the technical field of vehicle body accessories, in particular to a photovoltaic charging device of a goods three-wheel electric vehicle. When the electric power of the goods three-wheel electric vehicle is insufficient, solar energy can be converted into electric energy through the photovoltaic charging panel to drive the electric vehicle to run normally, so that the electric vehicle is more energy-saving and environment-friendly when going out. The trolley comprises a trolley body, wheels, a supporting frame and the like. Three wheels are rotatably connected to the bottom of the vehicle body, and a supporting frame is arranged on the upper portion of the vehicle body. When the goods three-wheel electric vehicle travels, the photovoltaic charging panel can convert solar energy into electric energy, and the charger charges the storage battery, so that when the goods three-wheel electric vehicle is insufficient in power, the photovoltaic charging panel can convert the solar energy into the electric energy to drive the electric vehicle to run normally, and the situation that the electric vehicle is insufficient in power during running is avoided as much as possible; and meanwhile, the transparent window on the supporting frame cannot shield the sight of a driver during riding, and the transparent window can also shield wind for the driver.

The present invention introduces a computerized system designed for vehicles with magnetic elements to drive over an electromagnetic road propulsion system. This system enables vehicles to drive safely and efficiently while being dynamically recharged. One objective is to extend the range of electric vehicles through the use of mechanical work as an alternative energy source, thereby reducing the frequency of charging stops. The system utilizes electromagnetic forces between the road and the vehicle, facilitated by magnetic sources on both ends, to propel the vehicle forward. A part of this energy is extracted by induction to recharge the vehicles' batteries. Additionally, the invention incorporates mechanisms for collective traffic management as well as safe and fast autonomous driving by artificial intelligence models.

The invention provides a wheel rail-permanent magnet electric fusion type maglev rail traffic system, which relates to the field of rail traffic and is characterized in that guide rails are arranged on sleepers, a frame moves along the guide rails, guide wheels are mounted at the bottom of the frame and are in contact with the guide rails, and the frame is guided to advance or retreat along a preset direction through the contact between the guide wheels and the guide rails. The stator is arranged on the side of the guide rail, and the rotor is arranged on the frame and parallel to the stator axis. When the stator is electrified, an alternating magnetic field can be generated, and the mover is subjected to the action of electromagnetic force under the action of the magnetic field, so that the frame is pushed to move along the guide rail, and the operation of the rail transit system is realized.

The invention relates to the technical field of air rail transportation, in particular to a power type bogie based on a box girder type base and an induction gap adjusting method. The power type bogie comprises a box girder type base, the box girder type base comprises a suspension gap located at the bottom and communicated with an inner cavity, first rails located on the two sides of the suspension gap are arranged at the bottom of the box girder type base, and an induction magnetic stator is fixedly arranged on the inner side of the top of the box girder type base. The bogie assembly comprises a bottom frame, a motor support arranged on the bottom frame and walking wheels arranged on the bottom frame; the top of the motor support is provided with a motor rotor having an induction gap with the induction magnetic stator, and the motor rotor is used for driving the bogie assembly to move under the action of magnetic force generated by the motor rotor and the induction magnetic stator. And the gap adjusting device is used for adjusting the size of the induction gap. A semi-closed base can be formed through the box girder type base, a bogie and other components are arranged in a box girder cavity, maintenance is convenient, the influence of weather is small, and the service life can be prolonged.

The invention provides a train control method and device for a maglev train and the train, and can be applied to the technical field of vehicle control. The method comprises the following steps: acquiring an actual suspension gap between a suspension electromagnet of the magnetically levitated train and a bridge and an actual input voltage of the suspension electromagnet; according to the actual suspension gap and the actual input voltage, utilizing a pre-established state and disturbance observer to obtain disturbance active compensation voltage for resisting disturbance; according to the electromagnet acceleration of the suspension electromagnet, active vibration reduction voltage used for vibration reduction is obtained; obtaining a state feedback voltage according to the actual suspension gap and the reference suspension gap; and controlling the suspension gap between the suspension electromagnet and the bridge as a reference suspension gap according to the disturbance active compensation voltage, the active vibration reduction voltage and the state feedback voltage.

The invention relates to a normal-conducting high-speed maglev traffic energy fusion system which comprises a high-speed maglev traction power supply system, a renewable energy power generation system, a composite energy storage system, an energy management system, a cloud computing platform system and a maglev train. Compared with the prior art, efficient fusion of a renewable energy source system and a high-speed maglev traffic system is achieved, and the high-speed maglev traffic system has the advantages of being efficient and safe in high-speed maglev traffic, energy-saving and low-carbon in operation and the like.

Disclosed is a linear motor with improved capacitive power transfer from the stator to the shuttle of the motor. The linear motor comprises a capacitive power transfer arrangement with a power transfer capacitor with a power transfer air gap as dielectric in between a primary electrode and a secondary electrode, wherein the motor air gap of the linear motor and the power transfer air gap are parallel and are arranged in transverse direction next to each other.