105 results about "Electromagnetic suspension" patented technology

The embodiment of the invention relates to a suspension collaborative steering and fault-tolerant method for a wave adaptive unmanned ship, and the method comprises the steps: collecting the environment perception information and attitude data of the unmanned ship in real time, and carrying out the fusion processing, and generating a multi-source data matrix; pre-judging the front sea condition based on the multi-source data matrix, and when the sea condition characteristic parameters meet preset dynamic adjustment conditions, adjusting the expansion and contraction amount of each group of electromagnetic suspensions in a pre-judgment time window so as to form a draught gradient adapting to the sea condition change; when a steering instruction is received, the draft difference of floating bodies on the two sides of the unmanned ship and the thrust difference of propelling systems on the two sides are synchronously adjusted, so that the steering track is controlled, and transverse inclination of the ship body is restrained; in the sailing process, the working states of the electromagnetic suspension and the propelling system are monitored in real time, faults are classified, when it is detected that the execution units are abnormal, a fault-tolerant reconstruction strategy is triggered according to the fault types, and stress distribution or propelling thrust is reconstructed by locking abnormal parts and utilizing the remaining execution units, so that the sailing capacity of the unmanned ship is maintained.

The utility model discloses a suspension type maglev vehicle and a suspension framework thereof, and relates to the technical field of rail transit, the suspension framework of the suspension type maglev vehicle comprises a first longitudinal beam and a second longitudinal beam, the second longitudinal beam is located below the first longitudinal beam, and the two ends of the first longitudinal beam are connected with the two ends of the second longitudinal beam; the middle part of the first longitudinal beam is connected with the middle part of the second longitudinal beam, the first longitudinal beam and the second longitudinal beam are integrally shaped like a Chinese character'ri ', the first longitudinal beam and the second longitudinal beam are provided with mounting structures, and the mounting structures are used for connecting components of the electromagnetic suspension walking part. According to the suspension type maglev vehicle suspension framework, through the adoption of the suspension framework with the structural design shaped like the Chinese character'ri ', a plurality of components of an electromagnetic suspension walking part are effectively and reasonably integrated in a limited space, meanwhile, the bearing capacity and stability of the framework are guaranteed, and the problems that in the prior art, a framework structure is not compact enough, and the occupied space is large are solved; and the overall performance and the operation efficiency of the vehicle are improved.

The invention relates to an axial permanent magnet suspension bearing based on electromagnetic suspension and a control system thereof, the axial permanent magnet suspension bearing comprises an axial permanent magnet suspension bearing stator, an axial permanent magnet suspension bearing rotor, a load, an axial permanent magnet bearing and two radial electromagnetic bearings, the axial permanent magnet suspension bearing rotor and the radial electromagnetic bearings are both mounted in the axial permanent magnet suspension bearing stator; the axial permanent magnet bearing is installed on the axial permanent magnet suspension bearing rotor, the axial permanent magnet suspension bearing rotor is connected with a load, the axial permanent magnet suspension bearing rotor penetrates through the radial electromagnetic bearings and the axial permanent magnet bearing, and the radial electromagnetic bearings are located on the two sides of the axial permanent magnet bearing. Axial suspension is realized through relative movement among a plurality of annular permanent magnets of the axial permanent magnet bearing. The radial control of the axial permanent magnet suspension bearing is realized, so that the axial permanent magnet suspension bearing designed based on a permanent magnet array suspension structure can work in an optimal suspension gap, and the buoyancy-weight ratio is greatly improved in the axial direction.

The invention provides an active electromagnetic suspension based on a linear motor. The active electromagnetic suspension comprises a sleeve, a linear motor body, two damping parts, a cooling assembly, a conveying device and a plurality of cooling fins. The linear motor main body is mounted in the sleeve; the two damping pieces are installed at the two ends of the linear motor body respectively. The cooling assemblies are respectively arranged in the sleeves; the conveying device is arranged on the surface of the sleeve; and the plurality of radiating fins are respectively arranged on the surface of the sleeve. According to the active electromagnetic suspension based on the linear motor, the multiple cooling fins, the multiple cooling rings and the multiple connecting pipes are arranged on the surface of the sleeve to be matched with the conveying device for use; after the linear motor main body works in the sleeve to generate temperature, cooling and heat conduction operation can be carried out through a plurality of cooling rings, a conveying device and a plurality of cooling fins, meanwhile, the whole device is installed on the surface of the sleeve so that the whole device can be compactly installed, and the influence of the device in use can be reduced.

The invention discloses a stator assembly, a linear motor, an electromagnetic suspension and a vehicle. The stator assembly comprises a stator core shaft, a winding, a conductive assembly and an adapter, a cavity is formed in the stator core shaft, a through hole communicated with the cavity is formed in the shaft wall of the stator core shaft, and the projection height of the through hole on the axis of the stator core shaft is x; the winding is arranged on the periphery of the stator mandrel, the conductive assembly is installed in the cavity, a welding part at the first end of the adapter penetrates through the through hole and then is electrically connected with the conductive assembly, the second end of the adapter extends out of the stator mandrel and is electrically connected with the winding, and the projection height of the welding part on the axis of the stator mandrel is y; wherein x and y meet the relational expression that x is larger than y + 3 mm. According to the stator assembly provided by the invention, the difference between the projection heights of the through hole and the welding part on the axis of the stator core shaft is set to be greater than 3mm, so that the operation difficulty that the welding part of the adapter passes through the through hole can be reduced.

The invention relates to the technical field of magnetic suspension planar motors, and discloses an electro-magnetic magnetic suspension planar motor coil configuration, which comprises a planar motor stator formed by a plurality of equivalent N-pole coils and a plurality of equivalent S-pole coils, the plurality of equivalent N-pole coils are arranged in a rectangular array, each equivalent S-pole coil is arranged among four adjacent equivalent N-pole coils, and the equivalent S-pole coils are arranged in a rectangular array. The middle radius of each equivalent N-pole coil is shrunk, the radiuses of the two ends of each equivalent S-pole coil are shrunk, the sections of the equivalent N-pole coils and the equivalent S-pole coils are double-trapezoid, and the current directions of the equivalent N-pole coils and the equivalent S-pole coils are opposite; the planar motor rotor is positioned above the planar motor stator and is formed by stacking a plurality of layers of ceramic-based printed coil circuit board groups with the same configuration at the same position; a cooling system is arranged on the planar motor stator; thermal demagnetization of the motor can be avoided, array parameters can be adjusted in real time, the harmonic proportion in magnetic field distribution is reduced, the motion precision of the motor is improved, and the purpose of improving the performance of the motor is achieved.

The invention provides a vehicle electromagnetic suspension assembly, a vehicle suspension system and a vehicle. The vehicle electromagnetic suspension assembly comprises a first supporting piece, a second supporting piece, an elastic piece and an electromagnetic driving device. The first supporting piece is used for being installed on a frame of a vehicle. The second supporting piece is used for being installed on a wheel of the vehicle. The elastic piece is supported between the first supporting piece and the second supporting piece and stretches out and draws back in the linear direction. The electromagnetic driving device is supported between the first supporting piece and the second supporting piece and actively applies damping force to drive the second supporting piece to move relative to the first supporting piece in the direction parallel to the straight line. The system is high in performance upper limit, simple in structure, high in response speed and capable of meeting user requirements.

The application discloses a kind of based on binocular camera formula hybrid electromagnetic suspension control system, including travel information detection unit, binocular camera comprehensive evaluation index calculation unit, binocular camera formula hybrid electromagnetic suspension control mode selection unit, binocular camera formula hybrid electromagnetic suspension execution unit.Travel information detection unit is used to obtain outdoor temperature, full energy feedback control mode execution time, half energy feedback half energy consumption control mode execution time, full energy consumption control mode execution time;Binocular camera comprehensive evaluation index calculation unit is used to calculate image pre-detection evaluation factor, original image correction evaluation factor, temperature compensation evaluation factor, to obtain binocular camera comprehensive evaluation index;Binocular camera formula hybrid electromagnetic suspension control mode selection unit includes full energy feedback control mode, half energy feedback half energy consumption control mode, full energy consumption control mode;Binocular camera formula hybrid electromagnetic suspension execution unit is adjusted according to different control mode to vehicle corresponding rule.

The invention discloses an electromagnetic suspension based on a planetary roller screw and a permanent magnet fault-tolerant motor, and belongs to the technical field of vehicle suspensions and motor driving. The electromagnetic suspension comprises a permanent magnet fault-tolerant motor, a reverse planetary roller screw and a spring. The permanent magnet fault-tolerant motor serves as a driving source, a rotor of the permanent magnet fault-tolerant motor is integrated with the lead screw nut, the permanent magnet fault-tolerant motor rotates to enable the pin rollers to rotate and revolve around the lead screw at the same time, then the rotating motion is converted into linear motion of the lead screw, and therefore axial acting force is output. The spring is connected with the shell and the lower connector, mainly bears the static weight of the vehicle body and has a synergistic effect with the acting force output by the motor. The device is compact in structure, high in transmission efficiency, good in fault-tolerant operation capacity, good in reliability, high in road impact resistance and capable of effectively restraining vibration of a vehicle body.

A primary assembly (1), a linear motor (6), an electromagnetic suspension (7) and a vehicle (8). The primary assembly (1) comprises an iron core (5), a separator (13) and a drain port (172), the iron core (5) is provided with an accommodating chamber (100); the separator (13) is arranged in the accommodating chamber (100), and the separator (13) separates the accommodating chamber (100) along the axial direction of the accommodating chamber (100) to form a first chamber (1001); the drain port (172) is in fluid communication with the first chamber (1001), and the drain port (172) is arranged away from the separator (13); coolant enters the first chamber (1001) via a supply port (172) disposed close to the separator (13), and is discharged out of the accommodating chamber (100) via the drain port (172).

The invention discloses a suspension electromagnet and a magnetic suspension vehicle, and relates to the technical field of vehicle engineering. The suspension electromagnet comprises a constant magnetic conduction group, the constant magnetic conduction group comprises a plurality of constant conduction units which are sequentially arranged in the advancing direction, the constant conduction units are connected with a controller, and the controller is used for adjusting the magnitude and / or direction of electromagnetic force provided by the constant conduction units; the superconducting magnetic group is arranged below the normal magnetic group and comprises a plurality of superconducting units which are sequentially arranged along the advancing direction; wherein a normal conduction magnetic circuit of the normal conduction unit can pass through a suspension air gap between the normal conduction magnetic group and the track and the track, and a superconducting magnetic circuit of the superconducting unit can pass through the normal conduction unit, the suspension air gap and the track. Due to the fact that the normal conduction units and the superconducting units are arranged up and down, series connection of the superconducting magnetic circuits and the normal conduction magnetic circuits is formed, the normal conduction magnetic circuits and the superconducting magnetic circuits share a magnetic circuit in the normal conduction units, the suspension air gap and the track, the total magnetic flux of the position can be changed by changing electromagnetic magnetic flux, the flexibility of suspension force adjustment is improved, and the dynamic response capacity of the suspension electromagnet is enhanced.

The invention discloses an intelligent control system and method based on rotary cylinder sail electromagnetic suspension type supporting. The system comprises a distance measuring sensing module, an intelligent control cabinet and a rotary cylinder control cabinet. The distance measurement sensing module comprises a plurality of distance measurement sensors which are uniformly arranged on the outer wall of an internal steel tower of the rotary drum sail in an annular array, measure the radial distance between the internal steel tower and an external rotary drum in real time and output a detection signal; the intelligent control cabinet is arranged in the rotary drum sail base and used for collecting inertial data of a ship and providing exciting current for the inner tower excitation module, so that the inner tower excitation module and the outer drum permanent magnet module form homopolar mutual exclusion magnetic field resultant force, and the exciting current is dynamically adjusted through a self-adaptive algorithm on the basis of the inertial data and a distance detection signal. Magnetic suspension dynamic balance of the external rotary cylinder is maintained, and a suspension state signal is generated; the rotating cylinder control cabinet is arranged in the base and used for sending working state signals such as starting / stopping, receiving suspension state signals and judging whether the rotating speed of the outer cylinder needs to be adjusted or not, and if adjustment is needed, the motor transmission mechanism is driven to change the rotating speed.

The application relates to the technical field of electromagnetic suspension, and provides a multi-layer loop control method and system of an electromagnetic suspension for coordinating vehicle performance and a vehicle.The method comprises the following steps: obtaining vehicle and motor state information through a preset sensing unit; a suspension controller calculates target control force and generates a control instruction based on a vehicle performance target and a control model; after receiving the instruction, a driving layer of an electromagnetic execution unit adopts an algorithm of FOC three-closed-loop control combined with a state observer, a current loop proportional integral control is used to track a target current, a speed loop and a position loop construct a sliding mode surface based on a state deviation through sliding mode control to design a control law, and a motor is driven to output corresponding electromagnetic force through coordinate inversion and space vector pulse width modulation.The method simultaneously compensates for the interference of motor electromagnetic characteristics, vehicle posture changes and external disturbances on motor output, accurately realizes suspension actuation control through multi-layer loop coordinated control, and effectively improves vehicle driving smoothness and safety.

The application discloses a variable stiffness and damping automobile self-tuning electromagnetic suspension, which comprises a stator shell, end covers fixedly connected to both ends of the stator shell and a mover inner core; the mover inner core is movably installed in the stator shell, two groups of coils are arranged on the mover inner core, and a plurality of tooth-shaped structures are arranged on the stator shell and the mover inner core on the left and right sides of each group of coils; a conductive copper ring is arranged at the inner wall of the stator shell on the side of one group of coils; linear bearings and supporting springs are sleeved on both ends of the mover inner core; one end of the supporting spring is fixed to the end cover, and the other end is directed to the shaft shoulder of the mover inner core; the end of the mover inner core on the side of the conductive copper ring is led out from the same side end cover and connected with a knuckle bearing, and the end cover on the other side is connected with the knuckle bearing. The application introduces two groups of electromagnetic coils to control the magnetic field intensity of electromagnetic springs and electromagnetic dampers, so that the stiffness and damping of the shock absorber can be independently tuned.

The invention discloses a collision control method, system and device based on an electromagnetic suspension, which are applied to collision control equipment based on the electromagnetic suspension, and the method comprises the following steps: receiving data of inertial measurement equipment, a vehicle body stability controller and safety airbag control equipment in real time, and determining a vehicle state; and according to the vehicle state, each electromagnetic suspension actuator is controlled to be adjusted to the corresponding electromagnetic flux state. According to the method, through accurate regulation and control of electromagnetic flux, the balance and stability of a vehicle body are actively maintained in the emergency braking and collision process, pitching and side tipping are effectively restrained, a better survival posture is provided for a passenger compartment, and in cooperation with passive safety systems such as an air bag, the safety during collision can be remarkably improved, and harm caused by collision is reduced; the advantages of simple structure and light weight of the electromagnetic suspension device are fully utilized, the safety is improved, the problems of high energy consumption of a hydraulic system or high cost and low reliability of an air system are solved, and unification of safety, energy efficiency and reliability is achieved.

The invention provides a self-stabilizing magnetic fluid double-suspension bearing, which relates to the field of magnetic fluid double-suspension bearings, and comprises a bracket, a rotating shaft, a first radial bearing unit, a second radial bearing unit, a first integrated valve block, a second integrated valve block and a power unit, the first radial bearing unit, the first integrated valve block, the second radial bearing unit and the second integrated valve block are sequentially arranged on the rotating shaft in a sleeving mode, the first radial bearing unit and the second radial bearing unit are connected with the support, the first radial bearing unit is connected with the first integrated valve block, and the second radial bearing unit is connected with the second integrated valve block. The second radial bearing unit is connected with the power unit, and the power unit is connected with the rotating shaft through a coupler. Power is provided through the rotating speed of the main shaft, external energy input is not needed, hydrostatic pressure supporting force can be provided on the premise that original electromagnetic suspension force is not affected, and the bearing capacity and rigidity of the magnetic fluid double-suspension bearing are improved.

The invention discloses a linear motor, an electromagnetic suspension and a vehicle, the linear motor comprises a primary assembly, the primary assembly comprises a core shaft and a winding sleeving the core shaft, and the core shaft defines an accommodating chamber; at least part of the conductive assembly is arranged in the containing cavity and fixedly connected with the mandrel, and the conductive assembly is electrically connected with the winding and the motor controller. Therefore, by arranging the conductive assembly and fixedly connecting the conductive assembly with the mandrel, the conductive assembly can be firmly installed, so that the connection between the conductive assembly and the motor controller can be stable, the connection between the linear motor and the motor controller can be stable, and the use safety and use reliability of the linear motor can be improved; at least part of the conductive component is arranged in the accommodating cavity, so that the space utilization rate is improved, and the miniaturization design of the linear motor is realized.

The invention discloses an electromagnetic drive control system and method, and the system comprises an electromagnetic track which comprises a plurality of drive coils which are used for generating a moving magnetic field; the sample support is arranged in the electromagnetic track, internally provided with a magnet and directionally moves along the electromagnetic track under the action of the moving magnetic field; the position / speed detection module is used for collecting motion state data of the sample support in real time; the control module is integrated with an FOC control algorithm and regulates and controls the driving current according to the motion state data; and the driving module performs current modulation on the driving coil according to the driving current to generate a moving magnetic field. According to the control system, the sample support can obtain high acceleration and speed, and the sample support can stably run in the electromagnetic track by continuously moving the magnetic field.

This invention discloses a series-parallel switching hydraulic-gas integrated force-controlled suspension system for automobiles and its usage method, belonging to the field of automotive suspension technology. This invention solves the problem that the adjustable frequency range of suspension systems is relatively low, and that they cannot simultaneously achieve rapid adjustment and wide-frequency vibration damping. Based on electromagnetic levitation technology, this invention sets up a magnetic levitation vibration reduction system, designing a series-parallel switching adjustment device between the hydraulic vibration absorption module and the electromagnetic levitation module. In series operation, the hydraulic vibration absorption module is actively adjusted by adjusting the valve opening size and changing the actuation speed and direction of the electromagnetic levitation module, enhancing its damping effect range. In parallel operation, the electromagnetic levitation module and the hydraulic vibration absorption module work independently. In this case, the electromagnetic levitation module can directly actuate between the sprung and unsprung masses of the vehicle, achieving vertical load-bearing and buffer limiting, and further reducing the output of its force-controlled motor dynamic load, thus improving overall energy efficiency.

The invention relates to the technical field of electromagnetic suspensions, and provides an electromagnetic suspension multi-layer loop control method and system for vehicle performance coordination and a vehicle. Comprising the steps that vehicle and motor state information is obtained through a preset sensing unit, and a suspension controller calculates and outputs target control force through a control model based on a whole vehicle performance target and generates a control instruction; after an electromagnetic execution unit driving layer receives an instruction, FOC three-closed-loop control is combined with an algorithm of a state observer, target current is controlled and tracked through current loop proportional-integral, a speed loop and a position loop construct a sliding mode surface design control law based on state deviation through sliding mode control, and the target current is obtained. And the motor is driven to output corresponding electromagnetic acting force through coordinate inverse transformation and space vector pulse width modulation. And meanwhile, interference of electromagnetic characteristics of the motor, vehicle posture changes and external disturbance on motor output is compensated, suspension actuation control is accurately achieved through multi-layer loop coordination control, and vehicle running smoothness and safety are effectively improved.

The invention discloses an intelligent automobile electromagnetic suspension and a control method. The intelligent automobile electromagnetic suspension comprises a cylinder barrel assembly, a piston assembly and a temperature control assembly. The cylinder barrel assembly is formed by coaxially sleeving an inner cylinder barrel and an outer cylinder barrel, the inner cylinder barrel hermetically accommodates hydraulic oil, and a spiral induction coil is fixed on the inner wall of the outer cylinder barrel; the piston assembly comprises an upper permanent magnet piston and a lower permanent magnet piston which are arranged in a homopolar opposite mode, and the relative movement of the upper permanent magnet piston and the lower permanent magnet piston generates induced current to achieve electromagnetic damping and vibration energy recovery. A spiral transmission mechanism is arranged between the upper piston and the lower piston and drives the spoiler blades to rotate so as to forcibly and uniformly stir the hydraulic oil; the temperature control assembly adopts a semiconductor chilling plate, the hydraulic oil is heated or cooled by switching the power supply polarity, and the working temperature of the hydraulic oil is dynamically maintained. Triple mechanisms of hydraulic damping, electromagnetic induction and active temperature control are fused, the problem of performance instability caused by oil temperature drift is effectively solved, meanwhile, energy recovery and self-adaptive optimization of suspension performance under all working conditions are achieved, and the comfort, the control stability and the energy efficiency level of a vehicle are remarkably improved.

The invention relates to a linear motor, an electromagnetic suspension and a vehicle. The linear motor comprises a sleeve, an iron core, magnetic steel, a winding and a bearing, the iron core is sleeved in the sleeve, one of the magnetic steel and the winding is arranged on the inner wall of the sleeve, and the other one of the magnetic steel and the winding is arranged on the iron core; when the magnetic steel is arranged on the inner wall of the sleeve, the bearing is located in an annular gap between the magnetic steel and the iron core. When the magnetic steel is arranged on the iron core, the bearing is located in an annular gap between the magnetic steel and the inner wall of the sleeve.

The invention discloses a linear motor, an electromagnetic suspension and a vehicle, the linear motor comprises a primary assembly, the primary assembly comprises a core shaft and a winding assembly sleeving the core shaft, the core shaft comprises a shaft wall and a first chamber surrounded by the shaft wall, and a cooling water channel is arranged in the shaft wall; and the conductive assembly is arranged in the first cavity, and the conductive assembly is electrically connected with the winding assembly and the motor controller. Therefore, the cooling water channel and the conductive assembly are both arranged in the mandrel, the space utilization rate in the mandrel is improved, miniaturization design of the linear motor is achieved, the cooling water channel is defined by the shaft wall of the mandrel, the integration degree of the mandrel is improved, additional pipelines do not need to be arranged, the sealing performance of the cooling water channel is good, and the service life of the linear motor is prolonged. The problem of liquid leakage of the cooling water channel can be effectively prevented, the isolation effect of the conductive assembly and the cooling liquid is improved, in addition, the cooling liquid can exchange heat with the conductive assembly and the winding assembly at the same time, and the heat dissipation effect of the conductive assembly and the winding assembly is improved.

A vehicle control method, comprising: determining parameters of an electromagnetic suspension of a vehicle on the basis of a target main driving force; and on the basis of the parameters, controlling the electromagnetic suspension to adjust a pitch angle of the vehicle. In the method, by adjusting the target main driving force in real time, the pitch index of the vehicle is controlled more smoothly, thereby better meeting the gradual change requirements of human perception. Further comprised are a vehicle control method, a vehicle motion controller, a vehicle control system, and a vehicle.

The present invention belongs to the technical field of pumps, and in particular relates to a vertical magnetic levitation centrifugal pump, comprising a motor, a pump casing, an electromagnetic fixing assembly, a permanent magnetic fixing assembly, and a support assembly; a closed impeller is provided inside the cavity of the pump casing, a shaft assembly is fixed inside the closed impeller, the upper end of the shaft assembly passes through the pump casing and is connected to the output shaft of the motor, the upper end of the pump casing is provided with an electromagnetic fixing assembly, the lower end of the electric shaft assembly passes through the pump casing and is abutted against the permanent magnetic fixing assembly, and the lower end of the permanent magnetic fixing assembly is provided with a support assembly. The present invention achieves controllable suspension support for the drive shaft while reducing production costs by matching electromagnetic suspension bearings and permanent magnetic suspension bearings, solving the problem of serious wear of mechanical bearings due to long-term use, and at the same time avoiding the problem of solid particles in the working fluid entering the magnetic suspension bearing and scratching and wearing the surface of the magnetic suspension bearing and the drive shaft, causing the drive shaft to shake during rotation.

The invention relates to an electromagnetic suspension system for an automobile. The control stability and riding comfort of the electromagnetic suspension system are improved. According to the system, the constant supporting force is provided at the original position of the wheel, the supporting force is gradually reduced when the wheel moves up and down, and the better comfort and damping effect are achieved. The suspension system depends on a nonlinear electromagnetic force change function k * sinx * sinx * cosx, and can provide riding experience which is not inferior to that of an active electromagnetic suspension system without actively adjusting current when keeping uniform linear motion on a horizontal plane and passing through a bumpy road surface within a suspension stroke. A sensor is needed to adjust the current only when the vehicle body is kept stable. By means of the design, energy consumption can be greatly reduced. Furthermore, the building material of the system is selected from stainless steel, steel and / or plastic to ensure long-term durability and reliability. The system has the advantages of efficient comfort, low energy consumption, simplified design, excellent response performance and the like. The system can provide high-level stability and comfort even if current is not adjusted when the vehicle runs linearly at a constant speed on the horizontal plane, the effect is not inferior to that of active electromagnetic suspension, the system is particularly suitable for the vehicle needing high adaptability and dynamic adjustment capacity, a high-performance and low-cost solution is provided, and the system is suitable for popularization and application. And the method has remarkable market competitiveness and wide application prospects.

A stator mandrel (1a), a linear electric motor (100), an electromagnetic suspension (40) and a vehicle (50). The stator mandrel (1a) comprises a mandrel body (11), a position sensor sensing member (12) and a mandrel sleeve (13). The position sensor sensing member (12) is mounted on an outer peripheral wall of the mandrel body (11); and the mandrel sleeve (13) is sleeved on the periphery of the mandrel body (11) and covers the position sensor sensing member (12).

The invention provides an electromagnetic suspension train track system, which is characterized in that tracks are arranged on two sides of a roadbed or a track beam, a magnetic suspension train runs on the tracks, traction guide electromagnets are horizontally arranged on corbels on two sides of the magnetic suspension train, and linear motor stators are horizontally arranged at opposite positions on the tracks; the magnetic pole directions of a linear motor stator and a traction guide electromagnet are horizontally arranged, a certain magnetic gap is formed between the linear motor stator and the traction guide electromagnet to form a linear motor with an iron core, and an E-shaped section suspension electromagnet and a gap sensor are arranged at the bottom of the maglev train and are suspended below an armature plate horizontally arranged at the bottom of a rail. The control system controls the current magnitude and direction of the traction guide electromagnet and the linear motor stator coil, and controls the magnitude and direction of the horizontal guide and suspension force and traction force, so that the magnetically levitated train flies in the air.

A rail-holding and forward and reverse reciprocating double-magnetic-suspension bed capable of doing forward and reverse reciprocating motion is characterized by having four functions of a common bed, independent and double magnetic suspension, forward and reverse reciprocating motion and intelligent electric control, an annular steel plate assembly (11), a two-pole magnet set (9) and a suspension bracket (5) are riveted into a whole through rivets (13), and a suspension bracket assembly is formed; an annular electromagnet assembly (10) is fixed to a lower opening of a track (3) through rivets (13) to form a track assembly, a suspension bracket assembly is installed on a base (1), and a lower base (2), the track assembly and an upper base (4) are sequentially assembled in the center of the suspension bracket assembly from bottom to top and fixed through screws respectively. The two-pole magnet set (9) is fixed to the upper edge of the outer vertical face of the cylindrical upper base (4) and installed corresponding to the two-pole magnet set (9) on the suspension bracket (5), the bed panel (6) is arranged on a bearing base of the suspension bracket assembly, a radiation protection pad (27) and a physiotherapy mattress (7) are arranged on the bed panel (6), the bed panel (6) is matched with the bed head (8), the bed is a single magnetic suspension bed when electromagnetic suspension is not started, and the bed is a common bed when single magnetic suspension is removed.

The application discloses a transverse electromagnetic actuator assembly, which comprises a core support, the core support comprises a core support body, a fixed core is arranged in the core support body, a pair of guide rods are arranged at the bottom of the core support, a left end support is arranged at the left end of the guide rod, a right end support is arranged at the right side of the guide rod, a moving core is arranged between the left end support and the right end support, the moving core is located at the center of the fixed core, the moving core is matched with the fixed core, and a linear motor assembly is formed. The transverse electromagnetic actuator assembly can effectively reduce the unsprung mass, improve the comfort and maneuverability of the vehicle, compared with the traditional form that the actuator is directly installed on the suspension beam.