62 results about "Magnetic modulation" patented technology

This application relates to the field of electrical technologies, and provides a full even harmonic digital demodulation method based on full-phase analysis for a magnetic modulator. According to the full even harmonic digital demodulation method based on full-phase analysis for a magnetic modulator, standard voltage timing data output by the magnetic modulator is obtained when a DC calibration current with a set amplitude is fed into the magnetic modulator during calibration of the magnetic modulator; an output voltage sequence from full-phase Fourier analysis is established based on the standard voltage sequence data, and the output voltage sequence is preprocessed; comprehensive analysis is performed on the preprocessed output voltage sequence from full-phase Fourier analysis to obtain all standard even harmonic signals and current conversion coefficients.

A sensor element for checking the authenticity of a planar data carrier, in particular a banknote, has a spin resonance feature. The sensor element contains a magnetic core having an air gap, into which the planar data carrier can be inserted for authentication and which defines an axial direction extending between the adjoining surfaces of the magnetic core, a polarization device for generating a static magnetic flux in the air gap, a modulation device for generating a time-varying magnetic modulation field in the air gap, and a resonator for exciting the spin resonance feature of the data carrier to be checked. The modulation device is formed by at least one planar coil arranged in the air gap, which planar coil has one or more turns about the axial direction of the air gap in one plane. The disclosure also relates to a checking device having such a sensor element.

The invention relates to the technical field of direct current systems, in particular to a double-magnetic-core current detection structure and a current detection method. The method comprises the following steps: acquiring an induced electromotive force signal detected by a signal detector in the dual-magnetic-core current detection structure in claim 1; and performing residual current demodulation on a second harmonic component signal in the induced electromotive force signal to obtain a residual current signal in the line to be detected. According to the invention, accurate detection of the milliampere-level tiny residual current is realized under a large-current working condition through the double-magnetic-core current detection structure and the current detection method, and a milliampere-level direct-current residual current signal is modulated to a high-frequency carrier wave by using a magnetic modulation principle, so that the signal-to-noise ratio is remarkably improved, and the detection precision is improved. The problem of detecting tiny signals under the background of large signals is solved.

The present invention discloses a high-precision magnetic modulator signal processing method based on adaptive filtering and noise compensation, and relates to the field of signal processing technology. This method obtains and preprocesses the initial output voltage signal of the high-precision magnetic modulator, then reanalyzes it based on an adaptive filtering algorithm, a noise compensation algorithm, and comprehensive processing to obtain a processed output voltage signal. The present invention, through the adaptive filtering algorithm and the noise compensation algorithm, can effectively improve the signal accuracy and anti-interference capability of the high-precision magnetic modulator. Because the adaptive filtering algorithm adjusts the filtering parameters in real time to adapt to noise interference in different environments, it significantly reduces the impact of external noise on signal measurement. At the same time, the noise compensation algorithm further reduces the noise component in the signal, improving the purity and reliability of the measured data, thereby enabling the signal processing method to maintain high-precision output under complex working conditions.

A magnetic modulator includes: a magnetic pole piece; a support portion disposed in an axial direction of the magnetic pole piece to rotationally support the magnetic pole piece; and a resin portion that integrates the magnetic pole piece and the support portion, in which at least one of both end surfaces of the magnetic pole piece in the axial direction is exposed.

Magnetic modulation gears (1) having different reduction ratios (R) are suitably lined up. A series of magnetic modulation gears (1) includes a first magnetic modulation gear (1A) and a second magnetic modulation gear (1B). Each of the first magnetic modulation gear (1A) and the second magnetic modulation gear (1B) includes an inner magnetic pole body (41a), an intermediate magnetic pole body (54), and an outer magnetic pole body (12); and the first magnetic modulation gear (1A) and the second magnetic modulation gear (1B) are different from each other in terms of any two of the number (Ni) of inner pole pairs that is the number of pole pairs of the inner magnetic pole body (41a), the number (Np) of magnetic pole pieces that is the number of magnetic poles of the intermediate magnetic pole body (54), and the number (No) of outer pole pairs that is the number of pole pairs of the outer magnetic pole body (12). At least one of the inner magnetic pole body (41a), the intermediate magnetic pole body (54), and the outer magnetic pole body (12) includes a component common to the first magnetic modulation gear (1A) and the second magnetic modulation gear (1B).

The present invention discloses an axially magnetically modulated permanent magnet synchronous motor and a driving method thereof, comprising: a stator, a first rotor and a second rotor; the first rotor and the second rotor are coaxially connected and built into the stator; the first rotor is provided with a first rib structure, the second rotor is provided with a second rib structure, the first rib structure and the second rib structure are staggered at an angle in the axial direction; the end of the first rotor is provided with an inner ring magnetic conductive shaft connected to the first rib structure, the end of the second rotor is provided with an outer ring magnetic conductive shaft connected to the second rib structure and having a radius different from that of the inner ring magnetic conductive shaft, the rib structure of each rotor section and the magnetic conductive shaft connected thereto are of the same polarity, and the polarities between the two rotor sections are opposite, so that the magnetic flux on each rotor section enters the other rotor section along the rib structure and the magnetic conductive shaft connected to the rib structure to form a closed magnetic circuit; the extended ends of the inner ring magnetic conductive shaft and the outer ring magnetic conductive shaft are provided with excitation windings to adjust the magnetic flux of the closed magnetic circuit by adjusting the current of the excitation windings.

The present invention provides a dual-stator, dual-rotor, magnetic field modulation composite motor. The motor comprises an outer stator, an outer rotor, an inner rotor, and an inner stator, arranged in sequence from outside to inside. The outer stator comprises an outer stator core, the inner circumference of which is evenly distributed with multiple outer stator teeth, each wound with an outer armature winding. The inner stator comprises an inner stator core, the outer circumference of which is evenly distributed with multiple inner stator teeth, each wound with an inner armature winding. The number of inner stator teeth is the same as the number of outer stator teeth, and each inner stator tooth corresponds to each outer stator tooth in a one-to-one relationship. The outer rotor comprises a permanent magnet ring composed of a plurality of alternating first and second permanent magnets, each magnetized in opposite directions. The inner rotor comprises a modulation ring composed of multiple magnetic modulation cores, with the arc ratio between each magnetic modulation core and the gap adjacent to it being 0.86:1. This invention enables direct-drive, low-speed, dual-end, high-torque output.

The invention discloses a nonlinear quasi bound state terahertz non-magnetic regulation non-reciprocal transmitter and a control method, and belongs to the field of terahertz devices. The nonlinear quasi bound state terahertz non-magnetic regulation non-reciprocal transmitter is formed by periodically arranging and splicing a plurality of unit structures, and each unit structure comprises a silicon carbide substrate and a cylindrical groove gallium arsenide cylinder with the same outer diameter and different inner diameters. The non-linearity of the gallium arsenide material is combined with the asymmetry of the gallium arsenide cylindrical unit structures of the cylindrical grooves with the same outer diameter and different inner diameters, and the non-reciprocal transmission intensity of the terahertz waves is adjusted by changing structural parameters, so that the non-reciprocal transmission regulation and control of the terahertz waves are realized. The nonlinear quasi-bound-state terahertz non-magnetic regulation non-reciprocal transmission device designed by the invention is simple in structure, terahertz wave transmission can be regulated only by changing the incident power of terahertz waves without additionally arranging bias mechanisms such as an external magnetic field, electricity, light, a heat source and the like, and the nonlinear quasi-bound-state terahertz non-magnetic regulation non-reciprocal transmission device is suitable for a future terahertz integrated system.

The invention relates to the technical field of motor control, and discloses a rotor vibration suppression method based on outer air gap radial force of a stator partition magnetic regulation motor, which comprises the following steps of: 1, obtaining an inner and outer layer air gap accurate magnetic conductance model according to a conformal transformation method; 2, constructing two new rotor structures for inhibiting the radial force of the outer air gap of the motor; step 3, analyzing the reason for suppressing the low-order radial force amplitude of the outer air gap of the stator partitioned magnetic field modulation motor by the new rotor structure; and 4, establishing a multi-physical field structure model, and simulating the vibration performance of the stator partitioned magnetic field modulation motor with different rotor structures. According to the method, a magnetic conductance-magnetomotive force model is established to analyze the flux density-radial force harmonic waves of the stator partitioned magnetic field modulation motor, it is clear that dominant radial force harmonic waves for generating main electromagnetic vibration are distributed according to outer air gap radial force distribution characteristics of the stator partitioned magnetic field modulation motor, and a rotor of a surface and internal auxiliary groove structure is provided; and the radial force amplitude existing in the outer air gap is effectively inhibited.

A gear motor 100 comprises: a motor 20; a magnetic modulation gear 30 having a high-speed rotor (input shaft) 31 to which an output of the motor 20 is inputted, and an output shaft 32 of which the speed is changed with respect to the high-speed rotor 31 through a speed reduction unit; and a control device 40 that controls the output of the motor 20. The control device 40 controls the output of the motor 20 on the basis of torque-phase difference characteristics representing the relationship between an output torque of the output shaft 32 and phase difference information relating to rotational positions of the high-speed rotor 31 and the output shaft 32. Torque-angle characteristics of the output shaft 32 representing the relationship between the torque and the phase of the output shaft 32 are variable.

In a gear motor equipped with a magnetic modulation gear, the torque-angle characteristics are made variable. [Solution] The gear motor 100 includes a motor 20, a magnetic modulation gear 30 having a high-speed rotor (input shaft) 31 to which the output of the motor 20 is input, and an output shaft 32 that is speed-shifted relative to the high-speed rotor 31 through a reduction unit, and a control device 40 that controls the output of the motor 20. The control device 40 controls the output of the motor 20 based on a torque-phase difference characteristic that represents the relationship between phase difference information regarding the rotational position of the high-speed rotor 31 and the output shaft 32 and the output torque of the output shaft 32. The torque-angle characteristic of the output shaft 32, which represents the relationship between the torque and phase of the output shaft 32, is variable.

The application discloses a light-magnetic modulation method and device for enhancing a single-beam free precession atomic magnetometer signal, and is based on synchronous light pumping technology and radio frequency magnetic field pulse control technology. Through light-magnetic modulation control, atomic spin polarization and free precession signal excitation are realized, so that more spin polarization components participate in free precession, and full-range signal enhancement of the single-beam free precession atomic magnetometer is realized. The application enhances the free precession signal and improves the signal-to-noise ratio, which is helpful to further improve the sensitivity of the single-beam free precession atomic magnetometer and is convenient for further application of the single-beam free precession atomic magnetometer in the field of quantum precise magnetic field measurement in the future.

To suitably line up magnetic modulation gears having different reduction ratios.SOLUTION: The series of magnetic modulating gears 1 comprises a first magnetic modulating gear 1A and a second magnetic modulating gear 1B. The first magnetic modulation gear 1A and the second magnetic modulation gear 1B each include an inner magnetic pole body 41a, an intermediate magnetic pole body 54, and an outer magnetic pole body 12, and any two of the number of inner pole pairs Ni which is the number of pole pairs of the inner magnetic pole body 41a, the number of magnetic pole pieces Np which is the number of magnetic poles of the intermediate magnetic pole body 54, and the number of outer pole pairs No which is the number of pole pairs of the outer magnetic pole body 12 are different from each other. At least one of the inner magnetic pole body 41a, the intermediate magnetic pole body 54 and the outer magnetic pole body 12 includes a component common to the first magnetic modulating gear 1A and the second magnetic modulating gear 1B.SELECTED DRAWING: Figure 3

The present application relates to a kind of wave frequency energy emission devices, the device includes: electromagnetic modulation layer, for modulating preset frequency and power electric signal pulse, and change magnetic field is generated according to the electric signal pulse;Energy conversion layer is arranged in the magnetic field range of the change magnetic field, and the energy conversion layer is used to convert the magnetic field energy of the change magnetic field into vibration energy wave;The energy conversion layer is composed of one or two kinds of strain materials, and the expansion rate and response time of each strain material are different;The vibration energy wave is used to cause the resonance inside target object, to change the state of the target object.The present application utilizes the characteristics that the energy conversion layer generates expansion with the change of electromagnetic field, causes vibration, thereby converts into high-frequency vibration wave, thereby improves the efficiency and effect of energy output.

The invention provides a high-stability magnetic modulator excitation demodulation method without correcting a winding, and relates to the technical field of precise electromagnetic measurement and signal processing. A low-frequency current signal is equivalently injected into the magnetic modulator by adjusting the number-of-turns difference of excitation windings of two magnetic cores in the double-magnetic-core differential magnetic modulator and utilizing a microcontroller to control positive and negative duty ratio superposition low-frequency components of a square wave excitation source; by combining digital acquisition and Fourier analysis, a low-frequency voltage sequence and a second harmonic sequence are constructed, and a low-frequency proportionality coefficient and an actual direct-current proportionality coefficient are calculated, so that on-line calibration of a direct-current measured value is realized. Measurement errors caused by time and environment changes can be eliminated without additionally arranging a correction winding or a correction power supply, and the long-term measurement precision and stability of the magnetic modulator are remarkably improved.

The present invention belongs to the technical field of permanent magnet synchronous motors, and relates to a disc-type permanent magnet magnetic adjustment type permanent magnet synchronous motor and a method thereof, comprising a stator, a rotor, and a permanent magnet disc, wherein the rotor is built into the stator and coaxially placed with the stator, the permanent magnet discs comprising two, placed at different ends of the rotor, the permanent magnet discs having multiple permanent magnets attached to the side close to the rotor, and the stator having an armature winding mounted thereon; the stator armature winding applies a q-axis current to interact with the rotor's main magnetic field to generate a driving torque, and the amplitude of the motor's main magnetic field is adjusted by adjusting the relative position angle between the permanent magnets on the permanent magnet discs at the rotor ends and the axial magnetic poles of the motor rotor. The motor of the present invention uses permanent magnet discs for magnetic adjustment, and the magnetic adjustment method is relatively simple, and no additional armature windings are required. The magnetic adjustment efficiency is high, and no new losses are caused to the motor.

The embodiment of the invention provides a reversible magnetic thin film material, a magnetism regulation and control method, a preparation method and a memory, the reversible magnetic thin film material is used for reversible magnetism regulation and control, the reversible magnetic thin film material comprises an Sb-Co alloy type thin film, and the atomic ratio of Sb to Co is 3: 1. According to the reversible magnetic thin film material provided by the embodiment of the invention, a highly reversible block metal magnetic switch is realized, the magnetic modulation amplitude of block ferromagnetic metal is improved, the metal shielding effect is broken through to realize volume phase regulation and control, stable operation at room temperature is ensured, and the reversible magnetic thin film material has reversible and non-volatile operation characteristics; therefore, a way is laid for practicability of high-performance magnetic electronic devices.

The invention discloses an electrochemical detection method combining responsive hydrogel and a periodic magnetic modulation system, and belongs to the field of electrochemical detection. The method comprises the following steps: preparing hydrogel with target response characteristics, and embedding a magnetic material with electrochemical activity in the hydrogel; an analysis target acts on the hydrogel to enable the hydrogel to generate phase change, and then the magnetic material is separated; and cleaning and enriching the separated magnetic material, resuspending the magnetic material in an electrolyte required by electrochemical testing, and performing quantitative detection by using a periodic magnetic modulation system to obtain a dynamic electrochemical signal with a frequency characteristic. Through the synergistic effect of target responsive release, magnetic probe enrichment and periodic magnetic regulation and control, the detection sensitivity, selectivity and anti-interference capability are remarkably improved, and the method has wide application prospects in the fields of biomedical detection, environmental monitoring, food safety and the like.

The present invention provides an AC magnetically modulated permanent magnet synchronous motor and method thereof. The motor includes a radial stator, an axial stator, and a built-in rotor. The built-in rotor is built into the radial stator and coaxially arranged with the radial stator. There are two axial stators, each placed at different ends of the built-in rotor. Armature windings are provided in both the radial stator and the axial stator. The built-in rotor is composed of two identical rotor sections, each having a plurality of staggered rib structures connected to a rotor yoke. The ribs of the two rotor sections are staggered at a certain angle so that the ribs of the two rotor sections exhibit opposite magnetic polarities. The motor of the present invention fully utilizes the structural characteristics of the rotor end and the rib-shaft connection of the spoke-type permanent magnet synchronous motor. By utilizing the inherent structure and the end design of the magnetic modulation branch, the end leakage magnetic effect is reduced and the utilization rate of the permanent magnet is effectively improved. This overcomes the shortcomings of traditional permanent magnet synchronous motors, such as the difficulty in increasing power density and the reduced efficiency.

This invention provides an integrated electro-hydraulic actuation device and control method based on magnetic modulation, comprising an integrated suction filter, an integrated oil tank, an integrated spring accumulator, an integrated magnetic speed change mechanism, an integrated motor, an integrated vane pump motor, an integrated valve group, and an integrated double-acting hydraulic cylinder. First, the integrated magnetic speed change mechanism achieves contactless power transmission by matching the speed and torque of the integrated motor and the integrated vane pump motor. Then, the integrated double-acting hydraulic cylinder controls the symmetrically structured cylinder body through the integrated valve group. Hydraulic hoses connect the valve block output oil to both sides of the hydraulic cylinder. Finally, the integrated spring accumulator and pressurized hydraulic oil tank achieve a stable oil supply system for omnidirectional installation. This invention has advantages such as small installation size, high integration, lightweight, high safety, and high control precision, and is applicable to various working conditions, with significant applications in engineering machinery, robotics, aerospace, and other fields.

The application discloses a PGK intelligent control method and system, and belongs to the technical field of precision guidance. The control method comprises the following steps: driving the relative rotation movement of a separate steering ring and a PGK body in the same direction; a controller calculates the absolute rotation speed of the PGK body and the target absolute azimuth angle of the hovering separate steering ring in real time based on a magnetic modulation-rotation speed solving model; based on an eddy current braking torque model, the excitation current of a micro eddy current excitation coil array is adjusted to generate an eddy current braking torque opposite to the rotation direction of the separate steering ring; the eddy current braking torque is controlled to reach dynamic balance with the torque acting on the separate steering ring, so that the separate steering ring is stabilized at the target absolute azimuth angle. The application completely replaces the traditional'motor-reducer' mechanical transmission in an electromagnetic non-contact manner, fundamentally solves the problems of mechanical wear, response delay and poor environmental adaptability, and realizes the structure simplification, performance improvement and high reliability of the PGK control system.

The invention discloses a closed-loop current sensor device based on magnetic modulation. The closed-loop current sensor device comprises a fluxgate winding, an oscillating circuit, a signal conditioning circuit and a push-pull amplifying circuit, the fluxgate winding is respectively connected with the oscillating circuit, the signal conditioning circuit and the push-pull amplifying circuit; the output of the oscillating circuit is connected to the signal conditioning circuit; the signal conditioning circuit outputs a control signal to the push-pull amplification circuit; the output of the push-pull amplification circuit drives the feedback winding to form closed-loop control. Through an innovative magnetic modulation and closed-loop feedback structure, based on fluxgate modulation and closed-loop feedback technology, high-precision detection from direct current to high-frequency current is realized, high precision is realized without depending on a complex MCU algorithm, the influence of temperature on a measurement result is remarkably reduced through a closed-loop zero-flux working mechanism, low temperature drift is realized, and the measurement accuracy is improved. External electromagnetic interference is effectively suppressed through a symmetrical winding structure and closed-loop compensation, and high-interference-resistance current measurement is achieved.

The present invention discloses a bipolar axial magnetic modulation permanent magnet synchronous motor and a driving method thereof, comprising: a stator, a first rotor, a second rotor and an annular magnetic flux closing sleeve; the first rotor and the second rotor are coaxially connected, and an annular magnetic flux closing sleeve is provided at both ends, and an excitation winding is provided in the annular magnetic flux closing sleeve; the first rotor is provided with a first rib structure, the first rib structure is connected to an inner ring magnetic conductive spoke, the second rotor is provided with a second rib structure, the second rib structure is connected to an outer ring magnetic conductive spoke, the inner ring magnetic conductive spoke and the outer ring magnetic conductive spoke are both extended to be connected to the annular magnetic flux closing sleeve at both ends of the two rotor sections; the first rib structure and the second rib structure are staggered at an angle in the axial direction, the polarities of the two rotor sections are opposite, the magnetic flux on each rotor section enters the other rotor section along the rib structure, the magnetic conductive spoke and the annular magnetic flux closing sleeve to form a closed magnetic circuit, the magnetic flux of the closed magnetic circuit is adjusted by the excitation winding, and the magnetic flux adjustment is flexibly achieved.

The present invention discloses a method for coordinated control of minimum copper loss in a permanent magnet motor system, comprising the following steps: S1, based on the topological structure of an AC excitation high-efficiency generator (HESG) and its magnetic modulation principle, obtaining a physical model of the motor in a d-q rotating coordinate system, and deriving the voltage equation, flux equation, and electromagnetic torque equation in the d-q coordinate system; S2, based on the magnetic modulation and speed expansion requirements in low-speed and high-speed operation stages, respectively deriving the Lagrange equations under different constraints; S3, with minimizing motor copper loss as the optimization goal, online allocating excitation current and armature current to achieve coordinated control of the excitation current and armature current. The present invention can achieve online allocation of excitation current and armature current, obtain minimum copper loss, and improve the efficiency of the power generation system.

The application provides a high-stability magnetic modulator excitation demodulation method without correction winding, and relates to the technical fields of precise electromagnetic measurement and signal processing. The application adjusts the turn number difference of the excitation windings of two magnetic cores in a double-magnetic-core differential magnetic modulator, and uses a microcontroller to control the positive and negative duty ratio superposition of a low-frequency component of a square wave excitation source to equivalently inject a low-frequency current signal in the magnetic modulator; in combination with digital acquisition and Fourier analysis, a low-frequency voltage sequence and a second harmonic sequence are constructed, and a low-frequency proportional coefficient and an actual direct current proportional coefficient are calculated, so that the online calibration of a direct current measurement value is realized. The application can eliminate the measurement error caused by time and environmental changes without adding a correction winding or a correction power supply, and significantly improves the long-term measurement precision and stability of the magnetic modulator.

A single core four-winding magnetic modulation current sensor and a method for eliminating oscillation thereof, relating to the field of sensor technology. The single core four-winding magnetic modulation current sensor described in the present invention has a special structure, which includes a single core four-winding structure and a peripheral circuit, through the magnetic core C, the excitation winding W ex , primary winding W p , feedback winding W s and the induction winding W i Working together with peripheral circuits to form an integrated whole, this sensor eliminates oscillations by first constructing an excitation oscillation circuit based on the saturation characteristics of the magnetic core C. This signal is then filtered by a signal processing circuit and sent to an oscillation elimination circuit. This circuit eliminates voltage oscillations on the sampling resistor in the feedback loop when the single-core closed-loop feedback structure is used. This invention solves the problem of voltage oscillations on the sampling resistor in the feedback loop when the self-oscillating fluxgate method is applied to a single-core closed-loop feedback structure.

The utility model discloses a self-oscillation type alternating-current and direct-current zero-flux current transformer which is characterized in that the alternating-current and direct-current zero-flux current transformer comprises a first direct-current magnetic modulation coil T1, a second direct-current magnetic modulation coil T2, an intermediate-frequency alternating-current coil T3, a high-frequency alternating-current coil T4 and a circuit module; the first direct-current magnetic modulation coil T1 comprises a first direct-current magnetic modulation coil iron core C1, a first direct-current magnetic modulation coil excitation winding W1 and a first section of secondary winding Ws; the second direct-current magnetic modulation coil iron core T2 comprises a second direct-current magnetic modulation coil iron core C2, a second direct-current magnetic modulation coil excitation winding W2 and a second section of secondary winding Ws; the first direct-current magnetic modulation coil excitation winding W1 and the second direct-current magnetic modulation coil excitation winding W2 have the same number of turns and are uniformly and densely wound on the circumferences of the first direct-current magnetic modulation coil iron core C1 and the second direct-current magnetic modulation coil iron core C2 respectively.

The invention discloses a learning system and method based on steady-state visual evoked potential and transcranial magnetic regulation. The learning system comprises a display module which comprises a display interface and a flicker grid, the display interface is used for displaying a learned question, the flicker grid comprises a plurality of option boxes, each option box corresponds to an answer option, and the plurality of option boxes have different flicker frequencies; the electroencephalogram acquisition module is used for acquiring real-time electroencephalogram signals of a user and sending the real-time electroencephalogram signals to the data processing module; the data processing module is connected with the display module and the electroencephalogram acquisition module, and is used for analyzing the electroencephalogram signals acquired by the electroencephalogram acquisition module, obtaining SSVEP characteristic frequency, comparing the SSVEP characteristic frequency with flicker frequency of an option box, selecting answer options watched by a user, and displaying the options on the display module; a control instruction is output to the magnetic stimulation module according to the answering condition of the user; and the magnetic stimulation module is used for applying magnetic stimulation to the user.

The invention belongs to the field of two-dimensional materials, and particularly relates to a magnetic regulation and control technology of transition metal sulfide molybdenum disulfide (MoS2), transition metal manganese (Mn) is taken as an example, the influence of Mn doping on the magnetic performance of a MoS2 film is systematically researched, and the magnetic performance of the MoS2 film can be regulated and enhanced. The quantitative relation between the Mn doping concentration x and the magnetic performance of the Mo1-xMnxS2 film is established through experiments for the first time, it is successfully shown that the magnetic performance of the MoS2 film can be effectively enhanced through Mn doping, the saturation magnetization is 0.0096 emu / mm < 3 > when the saturation magnetization is x-9.7% and is about 3 times that of a sample doped with a small amount of Mn, and the coercive force is about 160 Oe; the magnetic enhanced dual mechanisms of the MoS2 film, namely the local magnetic moment introduced by Mn atoms and enhanced magnetic exchange interaction, are illuminated for the first time. Research on the magnetic performance of the Mo1-xMnxS2 film regulated and controlled by doping of Mn provides reference for expanding the application of the two-dimensional material in spintronics and magnetic storage devices.