821results about "Electric locomotives" patented technology

The invention relates to the technical field of electric vehicle control, and provides an intelligent new energy locomotive power distribution and energy recovery control system and method. The system comprises a multi-source information sensing layer, an intelligent decision control layer and an execution feedback layer. The multi-source information sensing layer collects the state of a vehicle and external environment data. The intelligent decision control layer generates a power distribution and energy recovery instruction through data fusion and preprocessing, fuzzy logic assistance, reinforcement learning decision and cooperative work of a multi-objective optimization module; and the execution feedback layer executes the instruction, monitors feedback in real time, and optimizes related actions. According to the method, advanced technologies such as reinforcement learning and fuzzy logic are fused, complex and changeable driving scenes are accurately dealt with, self-adaptive optimization of power distribution and energy recovery strategies is achieved, the energy recovery efficiency is improved, power distribution is accurate and efficient, dynamic adjustment can be achieved according to driving intentions and working conditions, the driving safety and comfort are guaranteed, and meanwhile the driving efficiency is improved. And efficient utilization of energy is realized.

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 layered energy management method of a fuel cell hybrid tramcar with self-adaptive working condition perception. In the recognition layer, a sliding window mechanism is adopted to extract time domain and frequency domain features of load conditions, feature data are clustered based on a spectral clustering algorithm driven by a deep auto-encoder, a data set with category labels is obtained, and a deep dynamic learning vector quantization neural network classifier is trained; in the strategy layer, a double-delay depth deterministic strategy gradient reinforcement learning algorithm is adopted, a reward function is constructed, and lithium battery SOC fluctuation penalty term limit parameters in the reward function are adaptively adjusted according to the real-time load working condition category output by the recognition layer; training the reinforcement learning agent to obtain an optimal power distribution scheme between the multi-stack fuel cell power generation system and the lithium battery; and according to the performance degradation degrees of different fuel cell stacks, a distributed cooperative control strategy considering performance difference is adopted to distribute the output power of each stack, so that the coordinated control of the running state of the multi-stack fuel cell power generation system is realized.

The invention relates to the field of locomotive power battery electric quantity control, and particularly discloses a locomotive power battery electric quantity hysteresis equalization control method, which comprises the following steps that: a traction force exerting mode is reset into an axle load transfer mode, and the initial value of an electric quantity equalization compensation coefficient K is a rack axle load transfer coefficient corresponding to zero speed; judging whether the current mode is a power battery power supply mode; if yes, the TCU receives the electric quantity of a front power battery and the electric quantity of a rear power battery in real time according to the current locomotive working mode, calculates the electric quantity average value difference value, monitors the auxiliary load power and the traction motor power and calculates the power difference value; entering a hysteresis control logic process; calculating a dynamic traction force compensation coefficient, ensuring that the traction force compensation amount is matched with the actual load characteristic of the system, correcting the traction characteristic curve in real time, and dynamically compensating the electric quantity difference of the battery; and performing traction distribution control according to the locomotive speed and outputting corresponding traction.

The embodiment of the invention provides a rotor assembly, a permanent magnet synchronous motor, a traction system and a vehicle. The rotor assembly comprises a rotor iron core which is provided with a plurality of permanent magnet grooves which are uniformly distributed along the circumferential direction; the permanent magnets are arranged in the permanent magnet grooves; the plurality of magnetic conductive blocks are arranged corresponding to the plurality of permanent magnet grooves, and each magnetic conductive block is arranged on one side, close to the rotating shaft, of the corresponding permanent magnet groove along the radial direction; the magnetic conductive block is configured to move between a first position close to the permanent magnet groove and a second position far away from the permanent magnet groove so as to adjust the magnetic field distribution of the rotor assembly.

The invention discloses a fuel cell hybrid train energy dispatching method and system. The method comprises the steps that S1, a hydrogen fuel hybrid train power system model is constructed; s2, acquiring required power in a train running process, and decomposing the required power into a low-frequency component and a high-frequency component by using a low-pass filter with adjustable cut-off frequency; constructing a double-layer reinforcement learning agent, and performing real-time dynamic optimization adjustment by taking the cut-off frequency of the low-pass filter as an action variable of the reinforcement learning agent; s3, designing a multi-objective reward function and a system total cost function, and synchronously optimizing fuel cell efficiency, fuel cell power fluctuation, hydrogen consumption and lithium battery SOC to approach initial values; and updating double-layer reinforcement learning agent network parameters through a depth deterministic strategy gradient algorithm, and finally outputting a real-time power distribution instruction of the fuel cell and the lithium battery. The method has the advantages of reducing the fluctuation of the output power of the hydrogen fuel cell, reducing the hydrogen consumption and the like.

The utility model relates to an electric rail locomotive battery system, which is characterized in that an auxiliary battery system and a power battery system are respectively arranged in a carriage and a dragging carriage, and an electrical cabinet is used for transmitting voltage output by each battery cluster in the power battery system to a confluence cabinet; and the confluence cabinet transmits the voltage output by each battery cluster in the auxiliary battery system to the auxiliary load system for power supply, and transmits the voltage output by each battery cluster in the power battery system or the voltage output by each battery cluster in the auxiliary battery system to the driving load system for power supply. The power battery system or the auxiliary battery system can be used for supplying power to the driving load system according to actual use scene requirements, the endurance mileage of the vehicle is guaranteed, and the power supply reliability is improved.

A service vehicle and a method for servicing at least one container handling vehicle in an automated storage system comprising a three-dimensional storage grid (104) for storing storage containers (106), at least one container handling vehicle (201, 301, 404) operating on the storage grid with at least a first set of tracks running substantially perpendicular to at least a second set of tracks and said service vehicle comprises two sets of wheels wherein a first set of wheels are arranged to engage with the first set of tracks and the second set of wheels are arranged to engage with the second set of tracks characterized in that a platform is mounted on the two sets of wheels and said platform is enclosed and that said enclosure has at least one door.

The utility model relates to the technical field of electric locomotives, in particular to a mining explosion-proof lithium ion electric locomotive structure which comprises an electric locomotive body and a mounting box and is characterized in that the mounting box is mounted in the electric locomotive body, cross grooves are formed in the inner walls of the two sides of the mounting box, first buffer mechanisms are arranged in the cross grooves, and second buffer mechanisms are arranged in the cross grooves. A first buffering mechanism is arranged at the bottom of the mounting box, a second buffering mechanism is arranged at the bottom of the mounting box, a top cover is arranged at the top of the mounting box, a limiting mechanism is arranged at the bottom of the top cover, the first buffering mechanism comprises a cross-shaped rod, the cross-shaped rod is slidably mounted in a cross-shaped groove, and a fixing cylinder is fixedly connected to the side wall of the cross-shaped rod. Through the combined action of the first buffering mechanism, the second buffering mechanism and the limiting mechanism, when collision occurs, the storage battery is protected to a certain degree, the situation that the storage battery is damaged is avoided, and then the possibility that the storage battery explodes is reduced.

The invention provides a traction power supply hybrid energy storage system power distribution method considering flywheel standby loss, and the method comprises the following steps: S1, determining an initial control variable and an initial state variable of a traction power supply system, and constructing a power prediction model based on the initial control variable and the initial state variable, predicting a power sequence of the hybrid energy storage system at each moment in the future; s2, judging charging and discharging types of the hybrid energy storage system based on the power sequence of the hybrid energy storage system, wherein the charging and discharging types comprise long-time charging and discharging and short-time charging and discharging; and S3, distributing the power of an energy storage battery and a flywheel energy storage unit in the hybrid energy storage system based on the charging and discharging types.

The invention discloses a main circuit of a hydrogen energy hybrid power machine, which is characterized in that a chopping module is additionally arranged in a traction converter to form a boost chopping discharge circuit and a buck chopping charge circuit on a power battery side together with an electric reactor, so that the voltage output to an intermediate direct current loop by a power battery is stabilized at DC1800V; meanwhile, the circuit safety of the power battery side is improved through the stable and controllable charging circuit; the hydrogen fuel power supply module directly obtains a starting power supply from the intermediate direct current loop through the bidirectional isolated voltage boosting / reducing module, and after the hydrogen fuel power supply module is started, the stability and timeliness of forward voltage boosting control of the voltage boosting / reducing module can be improved through the stable intermediate direct current loop voltage. According to the invention, consistency control of the intermediate voltage in different power supply modes is realized, and system faults caused by inconsistency of the intermediate voltage in the same main transmission system in different power supply modes are reduced. The invention further provides a railway vehicle.

The invention provides an automatic energy distribution control method for an internal electric hybrid motor train unit. The method comprises the following steps: connecting a rectification output end of a generator set network with a variable current output end of a power battery network in parallel; electric signals of the parallel output end are collected and fed back to the excitation system in the generator set network and the DC-DC converter system in the power battery network; sending a first voltage upper limit value to the excitation system according to the locomotive traction level handle position, sending a second voltage upper limit value to the converter system, and configuring the first voltage upper limit value to be greater than the second voltage upper limit value so that when the voltage of the parallel output end is less than or equal to the second voltage upper limit value, the power battery network is used as a main power supply network; and when the voltage of the parallel output end is larger than the second voltage upper limit value and smaller than or equal to the first voltage upper limit value, the generator set network serves as a main power supply network and charges the power battery network. The output power of the generator set network and the power battery network can be automatically distributed according to the traction level handle position.

A system includes one or more processors and memory storing processor-executable instructions that cause the one or more processors to perform operations. The operations include generating a driving strategy for a traveling route of a train based on saved data in the system, the train comprising at least one diesel-electric locomotive (DEL) and at least one battery-electric locomotive (BEL); operating the train according to the driving strategy; receiving update data; revising the driving strategy based on the saved data and the update data including: determining an amount of energy for the train to traverse a segment of the traveling route based on the driving strategy and the update data, and determining a distribution of the amount of energy between the at least one DEL and the at least one BEL based on the driving strategy and the update data; and operating the train according to the revised driving strategy.

The invention discloses a power supply mode control method and control device for a dual-source locomotive, and the power supply mode control method comprises the steps: controlling the locomotive to enter an automatic power supply mode, and then obtaining a front networking signal and an upper networking signal sent by an automatic driving system of the locomotive in real time; wherein the front network signal is used for describing whether a contact network exists at a first preset distance in front of the running of the locomotive, and the upper network signal is used for describing whether the contact network exists above the current position of the locomotive; if the front network signal is the high-level signal and the upper network signal is the high-level signal, controlling the locomotive to enter an automatic pantograph-catenary mode; if the front network signal is the low-level signal or the upper network signal is the low-level signal, the locomotive is controlled to enter an automatic battery mode. According to the invention, automatic switching between the pantograph-catenary mode and the battery mode is realized, the operation steps of workers are reduced, the probability of machine damage accidents during manual switching of the modes is effectively reduced, and meanwhile, the energy utilization rate is improved.

The invention discloses a heavy-load freight direct-current electric locomotive on-board platform and a train operation curve calculation method. Step-by-step iterative optimization is carried out through a dynamic programming algorithm. Presetting operation steps and step lengths, and defining a selectable action set in each step length; and with the current state of the train as a starting point, evaluating each action in the action set in each iteration step, and calculating the next train state which may be transferred to. And evaluating all possible train state changes by adopting a target cost function, sorting according to the cost values from small to large, and preferentially selecting the action with the minimum cost value for subsequent calculation. And if all the action cost values of the current step exceed the limit, backtracking to the previous iteration step for reselection. And after iteration to the maximum step number, storing all train state changes, and finally obtaining an optimal train operation curve under the constraint of the target function. The method optimizes a control strategy through a dynamic programming algorithm, improves prediction precision, optimizes action selection, accelerates convergence, reduces redundancy, and improves operation stability, safety and algorithm efficiency.

The invention discloses a composite power switching type tramcar which comprises a track, a cruise car is arranged on the track, the cruise car is rotationally connected with a main driving rotating rod extending out of the cruise car, traveling wheels are fixed to the two ends of the main driving rotating rod, and the track comprises a straight track, a turning track and a climbing track. The cruise vehicle is provided with a power driving structure for driving a cruise vehicle main driving rotating rod to rotate, the power driving structure drives the cruise vehicle to run on a straight track, the turning power switching structure is installed in the cruise vehicle and drives the cruise vehicle to run on a turning track, and the turning power switching structure is matched with the power driving structure; a climbing power switching structure for driving the cruising vehicle to run on the climbing track is further mounted in the cruising vehicle, and the climbing power switching structure is matched with the power driving structure; a turning power switching structure and a climbing power switching structure are introduced, and the risks of collision, slipping and rail deviation are reduced by providing stable turning and climbing functions.

A service vehicle and method for servicing at least one container handling vehicle in an automated storage system comprising a three-dimensional storage grid (104) for storing storage containers (106) on which at least one container handling vehicle (201, 304, 404) operates with at least a first set of rails running substantially perpendicular to at least a second set of rails, the invention relates to a service vehicle comprising at least one housing, and said service vehicle comprising two sets of wheels, the first set of wheels being arranged to engage with the first set of rails and the second set of wheels being arranged to engage with the second set of rails, characterised in that a platform is mounted on the two sets of wheels, said platform being closed and said housing having at least one door.

An onboard charging system configured for installation on a rail vehicle is provided, comprising: one or more current collection contacts; a battery, electrically connectable to the one or more current collection contacts; and an onboard charging controller having a wireless communications interface. The onboard charging controller is configured to: establish a secure wireless communication connection with a first trackside charging controller; and responsive to determining that the one or more current collection contacts have been brought into electrical contact with corresponding trackside charging contacts: instruct the first trackside charging controller, via the secure wireless communication connection, to provide a first current via the one or more trackside charging contacts.

The invention provides a mining electric locomotive group. The mining electric locomotive group comprises a control electric locomotive, a dumper, an electric transmission system and a power reconnection device, the control electric locomotive is provided with a control system, a first traction motor and a first bogie; the control system can control the first traction motor; the first bogie is a power bogie and is driven by a first traction motor; the dumper is provided with a second traction motor and a second bogie, and the second bogie is a bogie with power and is driven by the second traction motor; the electric transmission system is arranged on the control electric locomotive and is connected to the second traction motor; the electric locomotive is controlled to receive pantograph net power supply and supply power to the second traction motor through the electric transmission system; the power reconnection device is connected to the control electric locomotive and the dumper and comprises a reconnection connector, and the reconnection connector is connected with the control system, the electric transmission system and the second traction motor; the control system and the electric transmission system can respectively transmit electric energy and control signals to the second traction motor through the reconnection connector.

An onboard control system for controlling operation of a drive system of a rail vehicle or a train of coupled rail vehicles is provided. The drive system has extraction equipment to extract electrical power from an external electrical power line for onward supply to one or more traction motors of the drive system. The drive system further has an onboard energy storage system for supply of electrical power to the traction motors. The onboard energy storage system is rechargeable by receiving electrical power from the external electrical power line via the extraction equipment. The train has plural operational states which are at least partly defined by command signals from an operator of the train specifying respective amounts of torque demanded of the traction motors. The onboard control system has a database which relates the operational states to respective current limit values. The onboard control system is configured to: receive the command signals and on the basis thereof determine the present operational state of the train, and control the drive system such that electrical current passing through the extraction equipment does not exceed the current limit value from the database corresponding to the present operational state.

The invention discloses a rail train gravity energy storage system which comprises a low-position storage yard, a high-position storage yard, a transport train, a train rail, a driving device, a power generation device and a transfer device. The train track comprises an upward track, a high-position running track, a downward track and a low-position running track which are sequentially connected to form an annular track; a height difference exists between the low-position storage yard and the high-position storage yard; the ascending rail is provided with an ascending section, the ascending section ascends step by step at the altitude, the multiple driving devices are arranged along the ascending section at intervals, and the distance between any two adjacent driving devices is smaller than or equal to the train length of the transport train. The descending rail is provided with a descending section, the altitude of the descending section is decreased step by step, the multiple power generation devices are arranged along the descending section at intervals, and the distance between any two adjacent power generation devices is smaller than or equal to the train length of the transport train. According to the rail train energy storage system, by arranging the ascending section ascending step by step and the descending section descending step by step, the operation stability and the operation efficiency of the whole system can be improved.

The utility model discloses a power supply circuit of a rail locomotive, which belongs to the field of rail locomotives and comprises a power storage battery, charging devices, a main circuit and an auxiliary circuit. The first charging device is connected with the first power storage battery, the first power storage battery supplies power to the first traction inversion module, the second traction inversion module and the first auxiliary inversion module, the second charging device is connected with the second power storage battery, and the second power storage battery supplies power to the third traction inversion module, the fourth traction inversion module and the second auxiliary inversion module. The first auxiliary inversion module is connected with the second auxiliary inversion module through an equalization contactor KM6. According to the utility model, the two auxiliary inversion modules are standby for each other, so that the redundancy is good; the balancing contactor of the auxiliary loop can solve the problem that the electric quantity of two independent systems is unbalanced; braking working condition electric energy is fed back to the power storage battery, and the energy utilization rate is high.

A vertiport system according to an embodiment may include a first area, a second area provided in a different position from the first area, and a transfer unit configured to transfer an aircraft between the first area and the second area, wherein the transfer unit may include a transfer rail connecting the first area and the second area, and a moving device configured to accommodate at least a portion of a landing gear of the aircraft and the moving device being configured to move along the transfer rail.

The utility model provides a basic power unit for a railway vehicle and a railway vehicle marshalling, the basic power unit for the railway vehicle comprises a first vehicle and a second vehicle, and the first vehicle and the second vehicle are connected in sequence. Wherein the first vehicle is provided with a power bogie, and the second vehicle is provided with a power bogie and a non-power bogie. The railway vehicle marshalling comprises a plurality of basic power units which are arranged in sequence, and each basic power unit has the same dynamic drag ratio.

The invention provides a power battery ground charging control method and circuit, a power supply system and a rail vehicle, and the power battery ground charging circuit applied to the rail vehicle comprises a main ground charging device and a battery pack to be charged; the battery pack to be charged comprises at least two power battery packs; the method comprises the following steps: acquiring a current voltage value of each power battery pack; under the condition that the voltage difference exists between the power battery packs, the first charging path is controlled to be conducted, and the first power battery pack is charged through the main ground charging device; under the condition that the current voltage value of the first power battery pack is equal to the current voltage value of the second power battery pack, the second charging path is controlled to be conducted, and the first power battery pack and the second power battery pack are charged at the same time through the main ground charging device. The emergency charging requirement of the to-be-charged battery pack can be ensured, the charging speed is high, and the cost is low.

The utility model discloses an electric locomotive which comprises a tractor, a plurality of electricity storage vehicles and a plurality of functional vehicles, the tractor is provided with an electric walking mechanism, all the electricity storage vehicles and all the functional vehicles are sequentially arranged, and every two adjacent ones of the tractor, all the electricity storage vehicles and all the functional vehicles are detachably connected. The electricity storage vehicle is provided with an energy storage system, and the energy storage system is electrically connected with the electric walking mechanism. According to the novel electric locomotive, the traction vehicle can be directly powered by the electricity storage vehicle, a pantograph does not need to be arranged on the electric locomotive, a contact net matched with the pantograph does not need to be erected for the electric locomotive, and the operation cost is reduced.