835results about "Magnetic holding devices" patented technology

The invention discloses a magnetic suspension non-contact driving self-balancing precision machine core which comprises a metal disc, a magnetic suspension assembly is arranged at the top of the metal disc, a connecting assembly is arranged on the magnetic suspension assembly, a pluggable stable supporting assembly is arranged on the metal disc, the magnetic suspension assembly comprises a Halbach annular permanent magnet array and an electromagnetic coil, and the Halbach annular permanent magnet array is connected with the connecting assembly. The Halbach annular permanent magnet array is installed at the top of the metal disc, and the electromagnetic coil is installed at the top of the metal disc and located in the Halbach annular permanent magnet array. Through composite magnetic suspension driving of the Halbach annular permanent magnet array and the electromagnetic coil, no mechanical contact exists between the suspender and the metal disc, the friction loss of traditional gear meshing is eliminated, no lubrication requirement exists, the problem of lubricating grease volatilization or aging is avoided, the stable supporting assembly is controlled through a pressure sensor and an electric push rod in a closed-loop mode, and the stability of the stable supporting assembly is improved. The height of the supporting column is adjusted in real time, so that the whole device is in a horizontal state, and the magnetic suspension system is not affected by inclination of a mounting plane.

The invention relates to a rotor identification method and device based on a magnetic suspension flexible assembly line, and the method comprises the steps: activating a pre-generated topological model; periodically scanning data of a slave station driver mover encoder, obtaining real-time position and speed data of a mover, and mapping the real-time position and speed data to corresponding coordinates; performing noise filtering and smoothing processing on the data; selecting a corresponding recognition algorithm according to the line body size, the bus communication frequency, the mover preset task sequence and the processed speed data; performing association analysis on the processed data to generate rotor track data; checking the trajectory data, and performing early warning if the trajectory data is abnormal; and the data passing the verification is updated to a database, a control instruction set is generated based on the topological model coordinates, the mover motion state and external instruction parameters, and the control instruction set is output to a path planning system, so that multi-mover high-precision real-time identification and dynamic adaptation control are realized, and support is provided for asynchronous scheduling.

The invention belongs to the technical field of motors, and relates to a vertical magnetic suspension motor. On the basis of the magnetic bearing control module, the cooling control module and the control evaluation module, closed-loop control of the rotor stably suspending at the target position is achieved, oscillation and steady-state errors are reduced, and the control precision is effectively improved; by dynamically calculating the temperature gradient difference and the cooling power regulation and control value and combining the PID controller and the liquid cooling / air cooling cooperation strategy, on-demand cooling is achieved, the cooling energy consumption is reduced, the temperature balance is improved, and the problems of local overheating or too high energy consumption are avoided; by performing normalized weighted analysis on key parameters such as magnetic bearing energy efficiency and cooling efficiency, feeding back control evaluation coefficients in real time and guiding system parameter optimization, the stability and reliability of long-term operation of the motor are ensured, the failure rate of the motor is reduced, the functional integrity is ensured, and system-level optimization is facilitated.

The invention belongs to the technical field of magnetic suspension motors, and discloses a composite magnetic suspension motor, a stator of which comprises a first magnet yoke group and a second magnet yoke fixedly arranged on the first magnet yoke group, and the second magnet yoke is fixedly connected with all the first magnet yokes; a first driving coil group for driving the rotor to suspend and rotate is wound on an axial arm of the first magnet yoke; the rotor comprises a longitudinally arranged connecting shaft and a magnetic upper rotor and a magnetic lower rotor which are vertically arranged at the two ends of the connecting shaft, radial extension parts are outwards symmetrically arranged on the outer sides of the upper rotor and the lower rotor in the radial direction, a radially magnetized connecting magnet is embedded between every two adjacent radial extension parts, and the polarities of the connecting magnets located on the same horizontal plane are consistent; and the connecting shaft is made of a non-magnetic material. The radial extension parts and the connecting magnets on the rotor are alternately arranged, so that the magnetic field intensity and the magnetic field density of the rotor are greatly improved, and the operation stability and the control precision of the rotor are remarkably improved through the cooperation with the stator.

The invention relates to an integrated protection magnetic suspension motor and a magnetic suspension vacuum pump, and belongs to the technical field of magnetic suspension motor protection. In the magnetic suspension motor, a front backboard is arranged at the front end of a casing, a tail end cover and a tail end cover are arranged at the rear end of the casing, the casing, the front backboard, the tail end cover and the tail end cover form an installation cavity, and a front protection bearing seat, a front radial magnetic bearing seat, a rear protection bearing seat and a rear radial magnetic bearing seat are installed in the installation cavity. And a seam and a connecting surface between the bearing seats are prevented from being exposed outside. Only one air inlet and one air outlet are formed in the machine shell, leakage points are reduced through the design of the single air inlet and the single air outlet, and protection above IP54 is achieved. Meanwhile, heat dissipation and protection of the motor are considered at the same time through the design.

The invention discloses a modular five-degree-of-freedom magnetic suspension compressor rotor system and a control method, and belongs to the field of compressor rotors, the modular five-degree-of-freedom magnetic suspension compressor rotor system comprises a magnetic suspension rotor main shaft and a driving motor arranged in the middle of the magnetic suspension rotor main shaft, and a centrifugal impeller and a cooling impeller are installed at the two ends of the magnetic suspension rotor main shaft correspondingly; the magnetic suspension rotor main shaft between the driving motor and the centrifugal impeller and the magnetic suspension rotor main shaft between the driving motor and the cooling impeller are respectively and sequentially provided with an axial magnetic bearing assembly and a radial magnetic bearing assembly; the axial magnetic bearing assembly is of a non-thrust disc structure in which a magnetic field is directly coupled; the radial magnetic bearing assembly is of a modular structure with partitioned magnetic poles. According to the modularized five-degree-of-freedom magnetic suspension compressor rotor system and the control method, the axial magnetic bearing assembly directly coupled with the magnetic field is adopted, a thrust disc is omitted, the assembly process of the axial magnetic bearing is simplified, meanwhile, the partitioned magnetic poles are adopted, redundancy control is achieved, and stability is higher.

The present invention relates to a five-degree-of-freedom ultra-high-speed bearingless permanent magnet motor. Both ends of a cylindrical solid permanent magnet are respectively connected to a rotating shaft. A casing is installed outside the cylindrical solid permanent magnet. A stator core is fixedly installed on the casing. A set of torque windings is embedded in the bottom layer of the stator core, and two sets of suspension windings are embedded in the upper layer of the stator core. End covers are fixedly installed on both sides of the casing. Auxiliary bearings are installed between the end covers and the rotating shaft. Passive permanent magnet bearings are nested on both the end covers and the rotating shaft. The present invention is reasonably designed, integrating a magnetic suspension bearing and a permanent magnet motor into one. While the motor generates an electromagnetic torque capable of driving the rotor to rotate, it can also generate a radial suspension force to overcome the rotor gravity and unilateral magnetic pull force, simplifying the motor structure and shortening the axial length of the motor. The double suspension windings and the axial passive permanent magnet magnetic bearing achieve five-degree-of-freedom control, increasing the rotor stiffness and critical speed of the ultra-high-speed motor, and improving the operation stability and anti-disturbance ability.

The invention relates to the technical field of paint spraying, and discloses a pipeline inner wall anticorrosive paint spraying device which comprises a main frame body and a supporting structure arranged on the surface of the main frame body, the supporting structure comprises a plurality of supporting rods fixedly connected to the surface of the main frame body, one end of each supporting rod is fixedly connected with an electromagnet, and the spraying structure is arranged on one side of the main frame body and used for spraying anticorrosive paint on the inner wall of a pipeline. The spraying structure comprises a connecting ring fixedly connected to one side of the electromagnet, a plurality of spraying heads A used for spraying are arranged on the surface of the connecting ring, a communicating ring is fixedly connected to the inner surface of the connecting ring, a communicating groove used for communicating the multiple spraying heads A is formed in the communicating ring, and the spraying device further comprises a feeding assembly used for pumping paint. The problem of movement deflection caused by direct contact of the rollers can be effectively avoided, the rollers are not in direct contact with the inner wall of the pipeline during paint spraying, the cleanliness of a coating during spraying of the inner wall of the pipeline is effectively guaranteed, and contamination of pollutants such as dust and rust is avoided.

There is provided a transport system comprising: a stator having a first magnetic force unit; a mover having a second magnetic force unit; and a control unit. The control unit controls a magnetic force acting between the first magnetic force unit and the second magnetic force unit to transport the mover in a first direction. The stator has a first regulating member row including a plurality of first regulating members and a second regulating member row including a plurality of second regulating members, the mover, in a second direction intersecting the first direction, being disposed between the first regulating member row and the second regulating member row. The control unit performs a first process of applying a rotational force to the mover such that one of the first regulating members in the first regulating member row serves as a fulcrum when the mover contacts the first regulating member row.

A stator structure of a magnetic levitation flux-switching motor includes a stator of a modular structure and a motor housing. A modular stator includes front and rear side winding end heat dissipation modules, modular stator left and right wings, a modular stator permanent magnet, front side magnetic conduction column left and right wings, an inter-front side and inter-rear side magnetic conduction column permanent magnets, insulating layers, a stator winding, and rear side magnetic conduction column right and left wings. The front side and rear side winding end heat dissipation modules are of hollow structures, and are symmetrically provided with a cooling medium inlet and a cooling medium outlet, a cooling medium channel is disposed inside a hollow cavity, one side of the heat dissipation module is a smooth curved surface, and good thermal contact can be achieved between the heat dissipation module and the stator winding and the insulating layer.

The invention relates to a liquid-cooled casing, a magnetic suspension motor and magnetic suspension equipment, the liquid-cooled casing comprises a casing main body and a base, and the casing main body comprises an annular shell, a central cylinder and a first bottom plate which define an annular space; the base comprises a second bottom plate and a central column, a first liquid cooling cavity is formed in the annular shell, one end of the central cylinder is an open end, and the other end of the central cylinder is a closed end; the edge of the second bottom plate is fixedly connected with one end of the annular shell in a sealed mode, the center column penetrates through the center cylinder, a second liquid cooling cavity is formed between the outer wall of the center column and the inner wall of the center cylinder, and a first circulation opening and a second circulation opening which are spaced are formed in the second bottom plate. The first circulation port is communicated with one part of the first liquid cooling cavity and one part of the second liquid cooling cavity, and the second circulation port is communicated with the second part of the first liquid cooling cavity and the second part of the second liquid cooling cavity. The cooling effect of the magnetic suspension motor is improved, and the heat dissipation requirements of special working environments such as high cleanliness can be better met.

The utility model discloses an inner rotor magnetic suspension fan which comprises a tubular outer shell, a stator shell, a magnetic suspension stator and a rotor impeller assembly, the stator shell is arranged in the tubular outer shell, a rotor cavity is formed in the end, facing an air inlet, of the stator shell, the magnetic suspension stator is arranged in the stator shell in a sealed mode, and the rotor impeller assembly is arranged in the rotor cavity. The rotor impeller assembly comprises a rotor sheath, a magnetic suspension rotor, a connecting component and an impeller, the impeller comprises a cylindrical hub and a plurality of blades arranged on the peripheral side of the cylindrical hub, the cylindrical hub is arranged around the stator shell and fixedly connected with the rotor sheath through the connecting component, the magnetic suspension rotor is sealed in the rotor sheath, the rotor sheath is arranged in the rotor cavity, and the magnetic suspension rotor is arranged in the rotor cavity. The magnetic levitation stator is configured to drive the magnetic levitation rotor to rotate and magnetically levitate. According to the magnetic suspension fan, the axial flow type fluid characteristic with the large diameter is obtained in the form of the inner rotor, the structure is simple, the heat dissipation performance is good, and high-precision, high-sensitivity and good-stability rotor position detection can be achieved.

The invention discloses an intelligent start-stop control method and system for a magnetic suspension refrigeration compressor, and the method comprises the steps: obtaining a position perception enhancement source through collecting and analyzing the current response data of a magnetic bearing coil, and extracting the current response change characteristics; rotor position estimation is carried out based on current response change characteristics, a positioning precision driving source is extracted from estimation deviation, and a non-impact starting excitation current instruction is generated; a multi-sensor fusion data network is established, configuration is reconstructed through an abnormal response activation signal, and a degradation operation fault-tolerant mode is formed; converting a response preparation gain according to the shutdown instruction signal, performing shutdown state evaluation in combination with signal reconstruction configuration, and generating an emergency shutdown trigger condition; and the power supply state of a bus capacitor is detected, gradient control potential is released, the active damping control opportunity is determined, a damping force control instruction is generated, finally intelligent start-stop control over the magnetic suspension refrigeration compressor is achieved, and safe and reliable operation of the system under various working conditions is ensured.

The invention relates to a magnetic suspension motor and magnetic suspension equipment integrated with an air cooling heat dissipation device, the magnetic suspension motor comprises a magnetic suspension stator and a magnetic suspension rotor, the magnetic suspension stator comprises a casing and a stator assembly, the casing comprises an outer cylinder, an inner cylinder and a bottom plate, and the stator assembly is arranged in an annular space enclosed by the inner cylinder, the outer cylinder and the bottom plate. The air-cooling heat dissipation device comprises an air-cooling stator and an air-cooling rotor, the air-cooling stator is arranged in the annular space, the air-cooling rotor comprises a rotor main body and at least one air-cooling impeller arranged on the rotor main body, the rotor main body is at least partially arranged in the inner cylinder, and the air-cooling stator drives the rotor main body and the at least one air-cooling impeller to rotate and suspend in a non-contact mode; and the magnetic suspension stator is subjected to air cooling heat dissipation. The magnetic suspension motor is compact in structure, centralized management of power supply lines of the air cooling stator and the magnetic suspension stator can be achieved, the air cooling stator drives the air cooling rotor to dissipate heat in a non-contact mode, good heat dissipation is achieved, meanwhile, mechanical abrasion is avoided, particles are not generated, and the heat dissipation requirements of special working environments such as high cleanliness can be met.

A system and method for object processing using magnetic levitation includes moving carriers with drive magnets across an array of planar motors. Food items on the carriers are moved through processing steps. The system determines the weight of multiple food items and coordinates and arranges for the batching of food items totaling a desired weight from an assembly of available food items and presents the selected food items to an operator for further processing. The system moves the carriers to engage the food items with processing equipment, such as for attaching to poultry shackles, or for cutting by a filet machine.

The invention relates to a magnetic suspension fan heat dissipation device, a magnetic suspension motor and magnetic suspension equipment, the magnetic suspension motor comprises a magnetic suspension stator and a magnetic suspension rotor, the magnetic suspension fan heat dissipation device comprises a flow guide cover and a magnetic suspension fan, and the flow guide cover comprises a base and a wind shielding side wall; the magnetic suspension fan comprises a fan stator and a fan rotor, the fan stator is fixedly arranged on the base, the fan rotor is movably arranged on the side, facing the magnetic suspension motor, of the base, the fan rotor comprises a rotor body and at least one fan impeller arranged on the rotor body, and a ventilation opening communicated with the fan impeller is formed in the side, back to the magnetic suspension motor, of the base. And the fan stator drives the rotor main body and the at least one fan impeller to rotate and suspend in a non-contact manner so as to carry out air-cooling heat dissipation on the casing of the magnetic suspension motor. The magnetic suspension fan heat dissipation device can be used after being assembled with a shell of a magnetic suspension motor to be subjected to heat dissipation in a butt joint mode, the structure is compact, the fan stator drives the fan rotor to dissipate heat in a non-contact mode, good heat dissipation is achieved, meanwhile, mechanical abrasion is avoided, particles are not generated, and the heat dissipation requirements of special working environments such as high cleanliness can be met.

The invention relates to the technical field of flywheel energy storage, in particular to a stability control method for a magnetic suspension flywheel energy storage system with time delay feedback. Determining axial bearing capacity and radial bearing capacity demand parameters of the flywheel energy storage device based on gravity and impact load of the flywheel rotor and centrifugal force and unbalanced force generated during high-speed rotation; according to the bearing capacity demand parameters, U-shaped stator structure design is carried out on the axial electromagnetic bearing, an inner ring and outer ring magnetic pole equal-area structure is adopted, the axial electromagnetic bearing is made of electrical pure iron, octupole electromagnetic bearing design is carried out on the radial electromagnetic bearing, and a stator and a rotor are made of silicon steel sheets formed through pressing; and carrying out temperature field distribution simulation analysis on the axial electromagnetic bearing and the radial electromagnetic bearing by adopting a bidirectional coupling mode of an electromagnetic field and a temperature field. The method further comprises the steps that an auxiliary bearing protection system is arranged, differential working mode control is adopted, and dynamic adjustment of the bearing capacity of the electromagnetic bearing under different working conditions is achieved by adjusting bias current and control current.

The disclosure provides a mover and a mixed conveyor line having the mover. The mover is movable mounted on the magnetic power conveyor line or the mixed conveyor line. The magnetic power conveyor line includes a first armature winding; and the mixed conveyor line includes a first driving mechanism. The mover includes: a mover body, including a first permanent magnet array, the first permanent magnet array including two first permanent magnets which are oppositely spaced apart from each other, and the two first permanent magnets and the first armature winding driving, by means of current excitation, the mover body to move along the magnetic power conveyor line; and a driven assembly, connected with the mover body, and configured to be in transport connection with the first driving mechanism and drive the mover body to move along the magnetic power conveyor line or the mixed conveyor line.

The present invention relates to the technical field of automatic control, and provides a unified suppression method for external disturbances and internal levitation force ripples of a magnetic levitation motor system, comprising: acquiring time-varying levitation force data of a magnetic levitation motor, and converting the time-varying levitation force data of the magnetic levitation motor into nominal levitation force feedback data of a time-invariant levitation force; designing a Kalman observer on the basis of the nominal levitation force feedback data; the Kalman observer observing and acquiring external disturbance and internal levitation force ripple data of a magnetic levitation motor system; and forwards feeding and supplementing the external disturbance and internal levitation force ripple data of the magnetic levitation motor system into a levitation control system of the magnetic levitation motor, thereby achieving unified suppression of external disturbances and internal levitation force ripples of the magnetic levitation motor system. The present invention can effectively reduce the influence of external disturbances and internal levitation force ripples on a magnetic levitation switched reluctance motor, thereby effectively improving the levitation precision and the anti-disturbance performance of a magnetic levitation switched reluctance motor system.

The invention relates to an air suspension high-speed centrifugal compressor applied to the technical field of centrifugal machines, and the air suspension high-speed centrifugal compressor comprises a machine body, a centrifugal rotor, a pneumatic bearing, a magnetic suspension system, an end magnetic disk, a shaft magnet, a brake magnet, a magnetic core, an arc rail groove, a brake module and a steering rib. Vector electromagnetic phase modulation is adopted by the electromagnet, active damping control and gyroscopic effect compensation of the centrifugal rotor are achieved through magnetic field vector synthesis, the centrifugal rotor is accelerated and decelerated through magnetic force, the critical rotation speed acceleration time and deceleration time of the centrifugal rotor are effectively shortened, and the hybrid magnetic locking technology is adopted in the shutdown stage of the centrifugal machine. When the centrifugal rotor is static, the brake module is triggered, magnetic pole reversal of the brake magnet is achieved through a reconstruction mechanism generated by the brake magnet, and the centrifugal rotor is in a stable magnetic attraction brake state through the cooperative magnetic attraction effect of the permanent magnet and the brake magnet.

The application provides a magnetic suspension flywheel energy storage system, which comprises a magnetic suspension bearing, a flywheel and a motor arranged in sequence from top to bottom. The magnetic bearing with 5 degrees of freedom is arranged on the upper end of the flywheel rotor. The upper end stator of the magnetic bearing is provided with 4 upper layer stator teeth and 4 lower layer stator teeth. The circumferentially adjacent upper layer stator teeth and lower layer stator teeth are staggered by 45 degrees. The circumferentially adjacent upper layer stator teeth and lower layer stator teeth are staggered by 90 degrees. The upper layer stator teeth and the lower layer stator teeth are equal in size and large in pole shoe part. The lower surface of each upper layer stator tooth or lower layer stator tooth extends downward by an axial stator tooth, and there are totally 8 axial stator teeth. Each stator tooth is provided with a control coil. The axial magnetized annular magnetic bearing permanent magnet is arranged between the upper end stator and the lower end stator. The lower end stator is in the shape of L and is annular, which is used for fixing the magnetic bearing permanent magnet. The application realizes the control of the 5 degrees of freedom of the flywheel rotor, and is simple in structure and easy to process and install.

A transport system includes: a plurality of transport path units that apply a driving force to a plurality of moving bodies; a communication master station communicably connected to a transport path communication subordinate station of the transport path unit; a communication subordinate station communicably connected to the communication master station; a position command generator connected to the communication master station; a position generator connected to the communication master station; a position controller connected to the communication subordinate station and allocated to the moving body; and a current command generator to generate a current command value of the transport path unit.

The invention belongs to the technical field of motors, and discloses anti-electromagnetic interference magnetic suspension controller equipment and a filtering method. The method comprises the following steps: preparing a quantum confinement magnetic permeability unit, acquiring magnetic flux and temperature data in a magnetic core in real time through an embedded sensor array, and building a corresponding magnetic permeability regulation and control model; the output of the magnetic conductivity regulation and control model is obtained, and real-time inductance is obtained through analysis; on the basis of the real-time inductance, in combination with a preset target inductance, compensating the real-time inductance through a grid voltage regulation and inductance compensation cooperation strategy; according to the compensated real-time inductance, a PID controller is adopted for filtering; under the strong magnetic field and high temperature coupling environment, the nonlinear decrease amplitude of the magnetic conductivity can be effectively reduced, the drift amount of the inductance value, the cut-off frequency offset of the filter and the current ripple can be reduced, the rotor suspension precision can be improved, and the filtering stability and the control reliability of a magnetic suspension system under the extreme environment can be remarkably improved.

The invention relates to a magnetic suspension driving mechanism, a fan and electrical equipment, the magnetic suspension driving mechanism comprises a shell, a magnetic conductive rotor, an excitation assembly and a driving assembly, and an annular groove is formed in the inner wall of the shell; the periphery of the magnetic conductive rotor is provided with a limiting part which is arranged in a protruding manner. The axis of the magnetic conductive rotor is perpendicular to the limiting part. At least part of the limiting part extends into the annular groove, and the limiting part is arranged in the middle of the magnetic conductive rotor in the axial direction of the magnetic conductive rotor; the width of the annular groove is greater than that of the limiting part; the excitation assembly is arranged in the shell and is used for enabling the magnetic conductive rotor to suspend; the driving assembly is arranged on the shell and used for enabling the magnetic conductive rotor to rotate. According to the magnetic suspension driving mechanism, stress is balanced when the magnetic conductive rotor normally suspends and rotates, the annular groove does not make contact with the limiting part, if the magnetic conductive rotor drastically moves or swings, the annular groove plays a role in limiting the limiting part, the magnetic conductive rotor is prevented from moving or swinging, and the operation stability of the magnetic suspension driving mechanism can be guaranteed.

The invention provides a liftable magnetic suspension device and heat treatment equipment, the magnetic suspension device comprises a cavity, a magnetic suspension stator, a magnetic suspension rotor, a lifting device and a plurality of sensors, the cavity is used for accommodating the magnetic suspension rotor, and the magnetic suspension stator surrounds the periphery of the cavity. Wherein the at least one sensor and the magnetic suspension stator are relatively fixed, the at least one sensor is used for detecting the displacement of the magnetic suspension rotor, the magnetic suspension stator is connected with the lifting device, and the lifting device is used for driving the magnetic suspension stator and the at least one sensor to axially move along the magnetic suspension device. The at least one sensor and the magnetic suspension stator are relatively fixed, the at least one sensor moves along with the magnetic suspension stator, the detection precision of the sensor on the magnetic suspension rotor is improved, and the magnetic suspension rotor can be greatly lifted in the axial direction of the magnetic suspension device through the lifting device. Impurity activation degree maximization and impurity diffusion degree minimization in the peak annealing process are facilitated, and thermal budget can be reduced.

The invention discloses a motor device with built-in annular magnetic track power. The motor device comprises a machine shell, an annular magnetic track and a magnetic track car. A rotor assembly and a stator assembly which form a core electric energy-mechanical energy conversion mechanism are arranged in an inner cavity of the machine shell, a rotating shaft is axially arranged in the center of the rotor assembly and supported in the inner cavity of the machine shell, and at least one end of the rotating shaft extends out of the machine shell to form a power input end or a power output end. The annular magnetic track is fixed to the inner wall face of the machine shell in a closed ring shape and arranged on the radial outer side of the rotating shaft in a surrounding mode. The magnetic rail car is supported on the annular magnetic rail through a support, forms torque transmission connection with the rotating shaft and can move circumferentially along the annular magnetic rail under the driving of a magnetic field of the annular magnetic rail. The energy-saving performance is improved in a breakthrough mode, the structure is simple, manufacturing is convenient, the annular magnetic track and the stator assembly share the radial space of the inner cavity of the machine shell, power transmission path integration is achieved through the support of the magnetic track car, and the axial size of the whole machine is small.

The invention discloses a magnetic suspension flywheel energy storage device which comprises a shell, a flywheel disc rotor assembly, a permanent magnet synchronous motor assembly, a radial magnetic suspension bearing system, an axial magnetic suspension bearing system and a vacuum operation system. The motor rotor is arranged on the flywheel disc rotor assembly; the radial magnetic suspension bearing system and the axial magnetic suspension bearing system are used for supporting the flywheel disc rotor assembly; the vacuum operation system is used for vacuumizing the inner cavity of the shell; and the cooling system is used for cooling the motor stator. When the permanent magnet synchronous motor assembly drives the flywheel disc rotor assembly to operate, the flywheel disc rotor assembly is in a suspension state, meanwhile, friction damage of the flywheel disc rotor assembly during operation can be reduced through the vacuum environment, and the energy storage efficiency can be effectively improved. The cooling system is used for cooling the motor stator with high heat productivity, so that stable operation of the motor stator can be effectively guaranteed, and reliable operation of the energy storage device is further guaranteed.

A station for a substrate processing system that includes a magnetic levitation actuator assembly disposed in a first region of the station that is separated from a second region of the station by a membrane. The magnetic levitation actuator assembly is configured to contactlessly convey a carrier disposed in the second region to one or more positions within the second region.

The invention discloses a dynamic balance adjusting device and method for a magnetic suspension fan rotor, and relates to the technical field of self-adaptive adjustment. The method comprises the steps of collecting a suspension bearing displacement signal, a magnetic suspension coil current signal, a machine body vibration acceleration signal, a motor end electromagnetic response signal and a rotor angular displacement parameter, and constructing a rotor operation signal set; performing preprocessing and feature extraction on each signal to obtain four types of feature data; inputting the comprehensive characteristic data into a rotor balance diagnosis model to identify the unbalance state of the rotor; based on an amplitude phase inversion algorithm, solving a virtual counterweight amplitude and a phase adjustment amount, and injecting into a suspension coil to execute adjustment; judging whether dynamic correction is needed or not according to the real-time comprehensive characteristic data, and if yes, generating a dynamic gain coefficient to correct the adjustment parameters and then injecting the adjustment parameters into the suspension coil again; according to the invention, real-time identification and self-adaptive adjustment are carried out on the mass unbalance vibration of the magnetic suspension fan rotor, the operation vibration of the rotor is effectively inhibited, and the balance stability and reliability of the system are improved.

The invention discloses a position determination method and device, equipment and a storage medium, and relates to the technical field of magnetic suspension. The magnetic suspension line body comprises a plurality of conveying sections, and the method comprises the steps that the feedback position value of each conveying section and the length of a rotor on the magnetic suspension line body are obtained; determining a target position value according to the distance between two adjacent feedback position values and the length of the rotor; and determining the position of the rotor according to the target position value. Therefore, the technical problem that a rotor position determination method applied to a magnetic suspension system is urgently needed in the prior art can be solved.