487results about "Electric propulsion" patented technology

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 invention discloses an energy control method and device for a flying vehicle, electronic equipment and a readable storage medium. A solar cell layer, a heat insulation layer and a thermoelectric power generation layer are sequentially integrated on the surface of the flying vehicle from top to bottom, and the method comprises the steps of obtaining first electric energy converted by the solar cell layer in response to the fact that the flying vehicle is located in a light environment, and obtaining second electric energy converted by the heat insulation layer in response to the fact that the temperature difference between the flying vehicle and the external environment is larger than a first preset temperature difference threshold value; acquiring second electric energy converted by the thermoelectric power generation layer; performing voltage conversion on the first electric energy to obtain first target electric energy, and performing voltage conversion on the second electric energy to obtain second target electric energy; charging a battery of the flying vehicle based on the first target electric energy and the second target electric energy; the electrical energy stored in the battery is distributed to the electrical load based on an energy consumption demand of the electrical load of the flying vehicle. The technical problem that the energy source of the flying vehicle is single is solved.

The invention discloses a new energy automobile endurance mileage increasing system and method based on multi-mode energy collaborative management. The system comprises a multi-mode energy input module which is used for converting solar energy into direct current electric energy through a photovoltaic array and integrating power battery energy and hub motor kinetic energy recovery energy; the predictive management module is used for acquiring front road condition information through a V2X technology and predicting an energy consumption curve based on a deep learning model; the dynamic weight distribution module is used for calculating photovoltaic, battery and kinetic energy recovery weight coefficients through a dynamic weight distribution algorithm according to the real-time vehicle environment information and the prediction result; and the energy distribution control module is used for carrying out weighted distribution on the multi-modal energy based on the weight coefficient and outputting total available energy and a control signal so as to drive electric equipment or charge a battery. According to the invention, the problem of dynamic energy distribution during multi-energy coupling is solved, and the purposes of improving the endurance of urban roads, improving the endurance of expressways, reducing the increment cost of the system and being compatible with a 400V / 800V platform are achieved.

The utility model belongs to the technical field of energy storage equipment, and discloses an energy storage device, which comprises an energy storage host, a walking wheel and a paddle assembly, the energy storage host is provided with a discharge port, the walking wheel has a retraction state and an extension state, in the retraction state, the walking wheel partially retracts into the energy storage host, in the extension state, the walking wheel extends out of the energy storage host, and in the extension state, the paddle assembly extends out of the energy storage host. The paddle assembly is arranged in the energy storage host and can drive the energy storage host to walk, the paddle assembly has a folded state and an unfolded state, in the folded state, the paddle assembly is arranged in the extending direction of the side wall of the energy storage host, and in the unfolded state, the paddle assembly is unfolded relative to the energy storage host and can drive the energy storage device to fly. The energy storage device is provided with the retractable walking wheels and the foldable paddle assemblies, the land walking and low-altitude flying functions are achieved, meanwhile, the storage size is small, and a user can conveniently use the energy storage device.

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 invention discloses a maglev engineering vehicle, which relates to the technical field of maglev vehicles, and comprises a first suspension frame unit, a second suspension frame unit and a third suspension frame unit, fixed sliding tables are arranged between the first suspension frame unit and the second suspension frame unit and between the first suspension frame unit and the third suspension frame unit, and the fixed sliding tables are fixed to a vehicle body; the transverse stabilizing mechanism comprises a first hydraulic cylinder and a second hydraulic cylinder, when the transverse stabilizing mechanism passes through a bent road section, the first hydraulic cylinder and the second hydraulic cylinder are disconnected to relieve transverse constraint, and the second suspension frame unit and the movable sliding table on the corresponding side of the second suspension frame unit as well as the third suspension frame unit and the movable sliding table on the corresponding side of the third suspension frame unit can rotate around the rotating center of the fixed sliding table on the corresponding side. When passing through a straight road section, the first hydraulic cylinder communicates with the second hydraulic cylinder to achieve transverse constraint, and the rigidity between the vehicle body and the suspension frame unit is guaranteed. According to the maglev engineering vehicle, the curve passing capacity and the curve passing balance stability of the maglev engineering vehicle can be improved.

The invention relates to a method (200) for operating a linear transport system (100), wherein the method comprises; Controlling a first energy transfer coil (123) of a motor module (117) of the stationary unit (103) with an operating voltage (U) to generate an alternating magnetic field by a control unit (119) of the linear transport system (100) in a control step (201), wherein a synchronization signal (S) is integrated into the operating voltage (U); Reading out a voltage (U_ind) induced by the alternating magnetic field in the second energy transfer coil (125) of the at least one moving unit (101) and detecting the synchronization signal (S) by a subcontrol unit (121) of the moving unit (101) in a readout step (203); and Performing a synchronization between the control unit (119) of the linear transport system (100) and the sub-control unit (121) of the moving unit (101) based on the synchronization signal (S) by the sub-control unit (121) of the moving unit (101) in a synchronization step (205). The invention further relates to a linear transport system (100).

A fleet and trolley system, a first method of charging a work machine, and a second method of charging a fleet of work machines are disclosed. The fleet and trolley system includes a trolley network, at least one zero-emission work machine, and a controller. The controller manages a scheduled usage of the trolley network, a power draw, and a distribution of the power draw by the work machine. The first method includes monitoring states of the work machine, scheduling a usage of the trolley network, and supplying electric power to the work machine. The second method includes monitoring states of a fleet, monitoring states of the trolley network, scheduling usages of the trolley network, and supplying electric power to one or more machines of the fleet. Advantageously, the disclosed system and methods may improve an efficiency, productivity, and longevity of a fleet of zero-emission work machines.

The utility model discloses a continuous conductor plate for a magnetic suspension automobile, which comprises a first conductor plate and a second conductor plate which are connected with each other, the end part of the first conductor plate is provided with a first splicing part, the end part of the second conductor plate is provided with a second splicing part, and the shapes of the first splicing part and the second splicing part are complementary. And the first splicing part and the second splicing part are spliced together to form a continuous conductor plate. When the magnetic wheel of the magnetic suspension automobile passes through the gap between the conductor plates, the first conductor plate provides an eddy current field before passing through the gap, and the second conductor plate provides an eddy current field after passing through the gap, so that the continuity of eddy current is ensured, and the operation efficiency of the whole system of the magnetic suspension automobile and the conductor plates is improved.

The invention relates to a computer-implemented method (200) for operating a linear transport system (100) with a control unit (109) and a stationary unit (103) with a guide rail (105) for guiding a movable unit (101) and a plurality of motor modules (117) arranged along the guide rail (105), wherein the method (200) comprises: Identifying the motor modules (117) by the control unit (109) in a motor module identification step (201); Determining a motor module sequence of the motor modules (117) by the control unit (109) in a motor module sequence determination step (203); Determining an assembly assignment based on assembly identification information (145) provided by the motor modules (117) by the control unit (109) in an assembly assignment step (205); Determining an assembly sequence of the assemblies (121) based on the motor module sequence and the assembly assignment by the control unit (109) in an assembly sequence determination step (207); and Determining a topology of the motor modules (117) of the stationary unit (103) by the control unit (109) based on the assembly sequence in a topology determination step (209). The invention further relates to a linear transport system (100).

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.

A method is provided for transferring energy from a stationary unit to a movable unit of a linear transport system. The system includes a guide rail for guiding the movable unit, a plurality of stationary units, a controller, and a linear motor for driving the movable unit along the guide rail. The linear motor includes a stator and a rotor. The stator comprises the stationary units, each having one or more drive coils. The rotor is arranged on the movable unit, and has one or a more magnets. In addition, the stationary units each have one or more energy-transmitting coils, and the movable unit has at least one energy-receiving coil. The controller determines position data for the energy-receiving coil, selects at least one energy-transmitting coil based on the position data, and outputs a control signal to the stationary unit, with identification information for identifying the energy-transmitting coil.

The invention relates to the technical field of maglev train suspension control, in particular to a flexible suspension module control method and system for a maglev train, which can remarkably improve the tracking precision, response speed and anti-interference capability of a suspension gap, effectively suppress flexible vibration and ensure high performance and high reliability of a suspension system. The invention provides a flexible suspension module control method for a maglev train. The flexible suspension module control method comprises the following steps: S1, constructing a suspension module coupling dynamic model comprising a flexible electromagnet and a flexible F rail; s2, designing a super-spiral sliding mode-radial basis function neural network adaptive controller; s3, performing anti-saturation correction on the output of the controller; and S4, converting the corrected control quantity into expected current, and controlling a power switch to drive an electromagnet to execute suspension control through a driving circuit.

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 invention provides a green energy self-power-generation endurance system of a carrier, which comprises a wind power generation assembly, a double-sided photovoltaic panel assembly, a double-sided photovoltaic soft curtain assembly and an air power generation assembly, which can utilize respective advantages to combine or independently carry out green energy power generation. The wind power generation assembly comprises a main air duct and a plurality of one-shaft double-body generators. The main air duct is provided with a closed cabin; a plurality of one-shaft double-body generators are arranged in the main air duct and the closed cabin in a matrix manner; each one-shaft double-body generator comprises a wind power blade arranged on a transmission shaft; the transmission shaft is located in the main air duct, and the two ends of the transmission shaft are rotatably connected to the wind driven generator in the closed cabin. According to the implementation mode, wind resistance airflow generated by driving of the carrier acts on the one-shaft double-body generator through the main air duct, so that each transmission shaft drives the two wind driven generators to synchronously generate electricity. The system has an extremely wide application range and can provide green electric energy for corresponding scenes.

A magnified linear power generation system includes a vehicle with a tractor, or other tow vehicle, and a trailer, the trailer being separable from the tractor, the vehicle including at least one force receiving surface, the force receiving surface receiving input forces from the ground as the vehicle moves across the ground. A power generator is mounted to the trailer, the power generator including a stator and a mover. A mechanical magnification component is coupled between the power generator and the vehicle, the mechanical magnification component including a first hydraulic cylinder connected to the force receiving surface and a second hydraulic cylinder connected to the power generator, the first hydraulic cylinder having a first cylinder diameter, the second hydraulic cylinder having a second cylinder diameter smaller than the first cylinder diameter, wherein the first hydraulic cylinder is connected to the second hydraulic cylinder by a hydraulic line extending between the tractor and the trailer.

The invention relates to a wireless power supply system for intelligently inhibiting dynamic disturbance magnetic resonance. The wireless power supply system comprises a vehicle-mounted subsystem and a ground subsystem. The vehicle-mounted subsystem collects motion, position and task data by using a multi-dimensional state real-time sensing module; the dynamic disturbance prediction module predicts future space displacement and power consumption based on a machine learning model and generates future disturbance information. And the vehicle-mounted end communication module sends the information to a ground subsystem. After the ground subsystem receives the signal, a feedforward compensation decision module determines a target transmitting frequency and equivalent impedance; the power output and feed-forward execution module adjusts parameters in advance, so that a system working point is optimal before disturbance occurs. According to the method, disturbance caused by dynamic movement and load change of the mobile equipment can be actively predicted and compensated in advance, so that the electric energy transmission efficiency and the system stability are always kept at the optimal level under the continuous dynamic working condition.

The invention discloses a high-speed maglev train suspension constraint control method for coping with long-wave oscillation of a track beam, and belongs to the field of maglev track traffic. The method comprises the following steps: dynamically expanding high-speed maglev train model prediction suspension control under asymmetric preset performance constraints, and coping with safety constraint control of accurate suspension of the high-speed maglev train with long-wave oscillation of a track beam: establishing a track model of the long-wave oscillation of the track beam; designing the precise suspension dynamic expansion asymmetric preset performance constraint of the high-speed maglev train according to the long-wave oscillation information of the track beam; designing a high-speed maglev train suspension air gap mathematical model containing track beam long-wave oscillation information; obtaining a state space expression based on a reconstruction error according to the dynamic expansion asymmetric preset performance constraint and the conversion error; a prediction model is obtained through the expression, an optimal control problem is designed, and an optimal solution is solved; on the premise that the track beam oscillation reference air gap tracking precision is improved, suspension deadlock of the high-speed maglev train under long-wave oscillation of the track beam is avoided, and it is ensured that the high-speed maglev train runs safely in a small suspension gap with low power consumption under long-wave oscillation of the track beam.

In order to provide a method for sustainably operating an electromagnetic transport system to move at least one mover, a first maximum value of a first trajectory for at least one movement quantity of the mover is determined. Additionally, a second maximum value of a second trajectory for said at least one movement quantity of the mover is determined. The first trajectory is selected as a target trajectory if the first maximum value is equal to or smaller than the second maximum value. The second trajectory is selected as a target trajectory, if the second maximum value is smaller than the first maximum value. The mover is moved in accordance with said target trajectory.

Current directional device (100), containing: a power semiconductor module (300U, 300V, 300W) containing a power semiconductor element designed to convert direct current into alternating current; a first flow path forming body (110) which forms a first flow path (112a) to allow a cooling refrigerant to flow through it; a second flow path forming body (401) which forms a housing space (402) to allow a cooling refrigerant to flow through it; a first base plate (400) for attaching the second flow path forming body (401) to it; a driver circuit board (200) on which a driver circuit is mounted to output a control signal for controlling the power semiconductor element; and a housing (101) for accommodating the power semiconductor module (300U, 300V, 300W), the first flow path forming body (110), the second flow path forming body (401), the first base plate (400) and the driver circuit board (200), wherein the driver circuit board (200) is arranged such that the mounting surface of the driver circuit is opposite a side wall (401A) of the second flow path forming body (401), wherein the second flow path forming body (401) forms the accommodation space (402) for the accommodation of the power semiconductor module (300U, 300V, 300W), wherein the second flow path forming body (401) also forms an insertion opening (403) leading to the accommodation space (402) in the side wall (401A) opposite the mounting surface of the driver circuit, wherein the power semiconductor module (300U, 300V, 300W) has a control terminal (325) which passes through the insertion opening (403) and is connected to the driver circuit board (200), wherein the first flow path forming body (110) is attached to the housing (101), wherein the first flow path forming body (110) also forms an opening section leading to the first flow path (112a), wherein the first base plate (400) is designed to close the opening section and is connected to the first flow path forming body (110), and wherein the first base plate (400) also forms a first through-hole (406) connecting the first flow path (112a) and the accommodation space (402).

This power supply device is provided with: a power supply line that is disposed along a movement path of a plurality of moving bodies and that supplies power to the plurality of moving bodies; a power supply device connected to the power supply line and supplying power to the power supply line; and a control system that controls the power supply device. A control system is provided with: a moving body number information acquisition unit that acquires moving body number information indicating the number of moving bodies in a power supply region, which is a region in which a power supply line is disposed in a movement path; and a control execution unit that executes supply power variable control for reducing power supplied from the power supply device to the power supply line in accordance with a decrease in the number of moving bodies in the power supply area on the basis of the number of moving bodies information. Power supplied from the power supply device to the power supply line is increased in response to an increase in the number of moving bodies in the power supply area.

The invention relates to an attachment structure for a vehicle solar panel. The attachment structure for a vehicle solar panel includes: a vehicle body construction member that constructs a part of a vehicle body; a solar panel disposed on the vehicle body construction member, the solar panel including a glass exposed to an outer side of the vehicle body, and a solar module disposed on a vehicle inner side surface of the glass; and a coupling member coupling the vehicle body construction member and the solar module. The coupling member includes: a panel-side attachment portion connected to the solar module; a vehicle body-side attachment part connected to the vehicle body construction member; and a connecting portion connecting the panel side attachment portion and the vehicle body side attachment portion and having flexibility.

The train control system comprises a traction transformer located outside a train and a traction converter located inside the train, the traction converter comprises a first contactor and a power module, the traction transformer is connected with one end of a first connecting piece through a cable, the other end of the first connecting piece is connected with an input end of the first contactor, the first contactor is connected with the bottom of the traction converter through a movable mounting plate, an output end of the first contactor is connected with one end of a second connecting piece, and the other end of the second connecting piece is connected with the power module. The technical scheme of the embodiment of the application effectively promotes the reasonable layout of the overall structure of the traction converter, flexibly adapts to the change of customer demand, and quickly responds to the market customer demand.

Sun sensor for a vehicle (100), vehicle with the sun sensor, method for operating the vehicle, wherein the sun sensor comprises several module cells of a photovoltaic module (101) of a photovoltaic system for the vehicle (100), wherein the sun sensor is configured to detect and / or output a sensor value, in particular a radiant power, a voltage, and / or a current, wherein the sensor value characterizes a solar irradiance into a module cell or a solar irradiance into several module cells.

A recursive RISE control method and system for maglev train levitation systems is disclosed. The control method includes: constructing the dynamic equations and voltage balance equations of the electromagnets based on a single-point levitation system, and then constructing a dynamic model of the single-point levitation system accordingly; designing a virtual control law, and then designing a recursive RISE controller based on the backstepping method by combining the dynamic model of the single-point levitation system and the virtual control law; performing stability analysis on the RISE controller to obtain its stability conditions; and, based on satisfying the stability conditions, using the RISE controller to perform real-time control of the levitation gap of the maglev train levitation system. This invention has excellent anti-interference capabilities, reducing the impact of external interference or model uncertainty on levitation accuracy. Furthermore, by handling the nonlinear relationship between voltage and current through the backstepping method, this invention avoids the model mismatch problem caused by linearization.

A radiator guard comprising a main body and a service panel; the main body being formed of mesh sheet material and comprising: a plurality of fastening points for mounting the main body over a rear face of a radiator of an internal combustion engine; a service aperture for providing access, in use, to the rear face of the radiator; and a plurality of retained fasteners arranged around a periphery of the service aperture; wherein the service panel is releasably mountable to the main body, to cover the service aperture, using the retained fasteners.

The invention discloses a side current collecting device suitable for a medium-low-speed magnetic levitation vehicle, and belongs to the technical field of medium-low-speed magnetic levitation, the side current collecting device comprises a mounting frame and a corbel mechanism, the mounting frame can be fixed on the side of a bogie, and the mounting frame is provided with at least one vertical mounting surface extending in the longitudinal direction; the supporting arm mechanism comprises an insulating plate and an elastic supporting arm capable of deforming in the transverse direction. The insulating plate is fixedly mounted on the mounting surface, one end of the elastic supporting arm is fixedly mounted on the insulating plate, and a sliding shoe is arranged at the other end of the elastic supporting arm and used for driving the sliding shoe to abut against the contact rail during contact power supply; a cable connecting support lug is arranged on the sliding shoe and used for being fixedly connected with a power supply cable of the magnetic levitation vehicle. According to the side current collection device suitable for the medium-low-speed magnetic levitation vehicle, stable and safe power supply can be provided for the magnetic levitation vehicle, meanwhile, the vertical distance between the bottom of a track beam and the bottom face of a contact rail is remarkably reduced, and then the construction cost of a magnetic levitation track is greatly reduced.

This device describes a vehicle propulsion method based on an electromechanical system for intelligent energy management. It replaces the internal components of an internal combustion engine cylinder with an assembly comprising a controlled linear actuator. This actuator generates a linear force, which is converted into rotary motion by a connecting rod linked to the crankshaft, thus propelling the vehicle without combustion. Air drawn into the cylinder is used to generate electricity by means of an electromechanical converter consisting of a rotor and a stator. This electricity powers a microprocessor that regulates the controlled linear actuator. This control is performed in real time using pulse-width modulation (PWM) signals, adjusted to the driving conditions.A mobile application allows the user to manage a monetary credit linked to the mileage range and to activate an "anti-theft" mode immobilizing the vehicle.

The invention discloses multifunctional spraying dust removal equipment for constructional engineering, relates to the technical field of constructional engineering, and mainly solves the problems that complex spraying dust removal equipment in the field of small buildings is too high in cost and is easily frozen and blocked in winter in the north. Comprising a bearing carriage, a driving system, an adjustable fixed spraying mechanism, a water tank, a flying spraying mechanism and a solar power mechanism, the adjustable fixed spraying mechanism, the water tank, the flying spraying mechanism and the solar power mechanism are fixedly assembled on the upper surface of the bearing carriage, the adjustable fixed spraying mechanism is arranged in the middle of the bearing carriage, and the water tank and the flying spraying mechanism are arranged on the two sides of the adjustable fixed spraying mechanism correspondingly; a solar power mechanism is arranged on the other side of the water tank; the air cannon is fixedly assembled on the upper surface of the water tank, a pressure pump is arranged at an output port at the lower end of the water tank, an output port of the pressure pump is provided with an anti-freezing valve group, and the anti-freezing valve group is provided with four output ports which are respectively connected to the adjustable fixed spraying mechanism, the water tank, the flying spraying mechanism and the air cannon.

The application provides a UAV-InSAR-based magnetic suspension system multi-point collaborative reinforcement learning compensation control method, system, device and medium, the method comprises the following steps: using a UAV to carry a lightweight X-band interferometric synthetic aperture radar system to carry out high-precision surveying and mapping on a magnetic suspension line, and constructing an orbit irregularity power spectrum model; a hierarchical control system is constructed, the amplitude saturation controller in the lower layer generates a basic electromagnetic force control law according to the state quantity of the current suspension point; the upper layer compensation controller based on reinforcement learning is an agent, interacts with the environment composed of the suspension frame, the track and the amplitude saturation controller, trains by using the standardized irregularity function obtained from the track irregularity power spectrum model, and outputs the compensation control quantity for each suspension point; the basic electromagnetic force control law and the compensation control quantity are superimposed to generate the total electromagnetic force control law of each suspension point, and the suspension system is actively compensated and globally stably suspended. The application significantly improves the comprehensive control performance of the suspension system.