260 results about "Beam energy" patented technology

The invention discloses a MeV-level wide-energy-spectrum gamma energy selection amplification imaging system and a design method thereof. The technical problem that an existing gamma ray beam energy selection imaging device is low in detection efficiency is solved. The imaging system comprises a radiation conversion unit, an energy selection beam amplification unit and an imaging unit, the radiation conversion unit is a radiation conversion target and is used for converting gamma rays from a to-be-detected target into electron beams; the energy selection beam amplification unit comprises a collimator, a first magnet and a second magnet which are sequentially arranged along the transmission path of the electron beam; the collimator is used for limiting the collection angle of the electron beam; the parameter specifications of the first magnet and the second magnet are different, the first magnet and the second magnet are respectively used for changing a transmission path of an electron beam through a magnetic field, and a first beam limiting device is arranged between the first magnet and the second magnet and is used for removing electrons which can be dispersed in the y direction and are large in angle; and a second beam limiting device is arranged between the imaging unit and the second magnet and is used for removing electrons which can be dispersed in the x direction and have large angles.

The invention discloses a piezoelectric cantilever beam energy collector, and the collector comprises a fixed part 1 which is used for fixing the collector at a certain position; the supporting beam and the fixing piece 1 are connected into a whole, the supporting beam comprises a bionic bamboo joint structure 2 close to one end of the fixing piece 1 and a mass structure 3 far away from one end of the fixing piece 1, and at least one micropore 6 penetrating through the upper surface and the lower surface of the supporting beam is formed in the bionic bamboo joint structure 2 and used for forming alternate rigid segments and flexible nodes on the bionic bamboo joint structure 2; the supporting beam swings with the end close to the fixing piece 1 as the circle center in the vibration environment. The mass block 5 is arranged on the mass structure 3; the number of the piezoelectric films 4 is two, the two piezoelectric films 4 are arranged on the upper surface and the lower surface of the bionic bamboo joint structure 2 respectively, and the piezoelectric films 4 cover the micropores 6 formed in the bionic bamboo joint structure 2.

The invention discloses a marine pipeline leakage point and oil leakage accurate detection system and method, a focused ultrasonic detection module of the system emits ultrasonic focused sound beams to a pipeline wall, a signal acquisition and analysis module is used for receiving an ultrasonic echo signal and performing feature extraction, a fluid noise elimination and compensation module filters and corrects the signal, and a detection module is used for detecting the leakage point and oil leakage of a marine pipeline. The sensor array attached to the pipe wall can monitor the temperature, pressure and environment change of the marine pipeline in real time, the control and feedback unit automatically adjusts the focus depth and acoustic beam energy according to an analysis result, fine scanning and enhanced detection of a target area are achieved, and finally leakage point space coordinates and leakage rate estimated values are output. The system can stably operate for a long time in a high-noise and high-pressure marine environment, is high in detection sensitivity and strong in anti-interference capability, can achieve millimeter-level leakage point positioning precision, and is suitable for online health monitoring and intelligent safety management of marine oil and gas conveying pipelines, offshore wind power cooling systems and deep sea energy channels.

The application provides a one-time forming electron beam welding method for a titanium alloy component with single-sided incidence and double-layer welds, which comprises the following steps: a closed cavity structure titanium alloy component is formed by a plurality of mutually shielded multi-layer thin plates through single-direction electron beam incidence; the focusing current of the electron beam is adjusted; the converging effect of the electromagnetic coil is changed to change the focus position, and then the electron beam keyhole depth and size are changed; the keyhole is adjusted to be an energy channel through which the electron beam passes; the electron beam energy can pass through the first layer of welds to reach the second layer of welds; the controllable linear energy is provided by combining the acceleration voltage, the welding current and the welding speed to ensure that the remaining energy that penetrates reaches the second layer of welds to complete the welding of the second layer of welds again; the low-frequency scanning is combined with the electron beam movement to drive the first layer of molten pool metal to flow and fill the rear channel, and the front channel is opened, so that the channel is dynamically smooth and stable, and the electron beam keyhole effect behavior is adjusted.

The invention discloses a quantitative channel contrast imaging method based on a scanning electron microscope, electronic equipment and a medium, and the method comprises the steps: putting a polycrystalline sample into a scanning electron microscope system, determining an ROI, and obtaining crystal data; adjusting the state of the polycrystalline sample to obtain a cross-correlation diagram of the back scattering electron image and the diffraction contrast value image, so that a back scattering electron beam scanning area is overlapped with the ROI; any position is selected in the ROI, and ECP under the current electron beam energy is calculated; determining a target orientation on the ECP, and determining an optimal path for rotating the polycrystalline sample to the target orientation; acquiring back scattering electron images before and after rotation, performing cross correlation, and moving the polycrystalline sample to enable back scattering electron beam scanning areas before and after rotation to coincide; the scanning electron microscope system is adjusted through the steps, and a series of back scattering electron images of the ROI are collected. According to the invention, the scanning electron microscope can characterize and analyze crystal defects such as dislocation, nano-twin crystal, stacking fault and the like of a block-shaped sample.

The invention discloses an electron beam bunch superposition method and device, and the beam bunch energy of the head part and the tail part of an electron beam bunch is different by adopting a beam energy absorption effect. And then a plurality of alpha magnets are utilized, so that the movement path of the high-energy beam bunches at the head of the beam bunch string is long, the movement path of the low-energy beam bunches at the tail of the beam bunch string is short, and longitudinal superposition and compression of the beam bunch string are achieved. And the alpha magnet can simultaneously realize an achromatic function, so that the transmission envelope after the beam bunch is compressed and superposed is not greatly increased. And the obtained shorter pulse beam can be used for scientific research application such as nuclear data measurement.

The invention discloses a heat input control method for a multi-electron-beam powder bed melting additive manufacturing process, which adopts a finite element simulation means to control heat input in the additive manufacturing process and can be applied to research and development of powder bed preheating process parameters in the multi-electron-beam powder bed melting additive manufacturing forming process. Through cooperative work of a forming electron beam and a preheating electron beam, a temperature field is dynamically regulated and controlled in combination with finite element simulation, and the problems of large temperature gradient, high residual stress and multiple crack defects in a traditional process are solved; the electron beam is preheated to continuously heat the non-melting area, double-beam energy distribution is optimized in combination with an energy balance equation, and the forming quality and the process efficiency are remarkably improved.

The invention relates to the technical field of semiconductor manufacturing, in particular to a 12-inch wafer matte damaged layer repairing method, which comprises the step of carrying out repairing treatment on the surface of a wafer by adopting multi-stage energy regulation and control type surface repairing equipment, and the equipment comprises a rotary bearing platform, a multi-stage energy injection assembly and a rectification module. By accurately controlling the energy density and the action time of the flow beam, a matte damaged layer on the surface of the wafer is effectively removed, and meanwhile secondary damage is avoided. Embodiments show that the method can reduce the wafer surface roughness from the initial 50-60 nm to below 5 nm, significantly improve the wafer regeneration quality and efficiency, and meet the actual production requirements. According to the invention, efficient and accurate repair can be realized, and reliable technical support is provided for wafer reutilization.

The invention discloses an ion thinning instrument control method based on a self-adaptive gradient energy reduction algorithm, and belongs to the technical field of transmission electron microscope (TEM) sample preparation. The problem that a traditional ion thinning technology has many limitations is solved, dynamic optimization of parameters such as ion beam energy, beam current density and sample temperature is achieved through the self-adaptive gradient energy reduction algorithm, and the sample preparation efficiency is remarkably improved; by combining multi-modal data acquisition and dynamic gradient optimization, the thinning process can be accurately controlled, and the sample quality is improved; sample damage is effectively avoided by combining a damage constraint mechanism and self-adaptive step length control, and the stability of the preparation process is improved; the method is suitable for various materials through a pre-stored optimization path library, and has wide applicability; therefore, the energy of the ion beam is optimized, the incident angle and the beam density are dynamically adjusted, and the thinning instrument is controlled.

The invention discloses a stainless steel plate laser cutting machine, and belongs to the field of laser cutting machines. A connecting plate is fixedly connected to the top of the base, a first rotating rod is rotatably connected to the top of the connecting plate through a bearing, a rotating disc is fixedly connected to the bottom of the first rotating rod, a frame is fixedly connected to the bottom of the rotating disc, a limiting rod is fixedly connected to the front face of the frame, and a connecting block is slidably connected to the outer wall of the limiting rod. The bottom of the connecting block is fixedly connected with a laser cutting head, and the top of the rotating disc is slidably connected with a sliding block. By adjusting rotation of the motor and the first rotating rod, the laser cutting head can conduct cutting along a machined part, the problem that light beam energy distribution is uneven during beveling operation, the uneven distribution possibly causes the problem that the upper portion of a bevel edge is wide and the lower portion of the bevel edge is narrow is solved, through accurate adjustment, it is guaranteed that light beam distribution is even during cutting, and cutting efficiency is improved. Therefore, the non-ideal cutting effect caused by inclined cutting is avoided.

The invention discloses a migration distribution analysis method for inclusions in electron beam cold bed furnace smelting, a storage medium and equipment, and belongs to the technical field of metal smelting simulation. Actual working condition data of an electron beam cold bed furnace are obtained, and a cold bed unit model is constructed based on numerical simulation; and then electron beam energy input setting and metal solidification and melting setting are carried out in sequence, and cold bed unit heat exchange setting is carried out based on a convective heat exchange model. Performing steady state simulation on the cold bed unit, and when the field domain of the physical field reaches a steady state, simulating the movement of the inclusion in the melt by adopting a discrete random track model; movement tracks of the inclusions under different operation conditions are simulated, the migration process of the inclusions is tracked, and migration distribution of the inclusions is obtained. Migration behaviors of different types of inclusions in the cold bed unit are accurately simulated through numerical simulation, it is ensured that the inclusions flow into a crystallizer as little as possible, and the overall efficiency of the smelting process and the final product quality are improved.

A dual-radionuclide production target includes a first radionuclide target that produces a first radionuclide when irradiated by a particle beam from a radionuclide production system, and a second radionuclide target that produces a second radionuclide when irradiated by the particle beam that has passed through, and been degraded by, the first radionuclide target. With this design, the first radionuclide target serves two purposes: it reduces the beam energy to a suitable energy for isotope production on the second radionuclide target, and in-doing so becomes activated with a medically relevant radionuclide that can be easily extracted. In this way, in a single production run can produce two or more radionuclides.

The invention relates to a device and method for testing a deep ultraviolet laser damage threshold of an element, and the device comprises a first laser module which is set to emit deep ultraviolet laser; the second laser module is set to emit ultrashort pulse laser with the same light spot size as that of the first laser module; the beam combining module is arranged to enable the laser emitted by the first laser module and the laser emitted by the second laser module to be coaxial and emit the modulated laser to a test element; the detection module comprises a first detection unit and a second detection unit which are used for detecting light beam energy, the first detection unit is arranged on a light path of the beam combining module and the test element, and the second detection unit is arranged in a light path penetrating out of the test element; and the control module is respectively connected with the first laser module and the second laser module and is used for controlling laser energy emitted by the first laser module and the second laser module and determining a deep ultraviolet laser damage threshold value of the test element according to information sent by the first detection unit and the second detection unit.

The invention relates to an under-beam device for treating sewage through electron beam irradiation. The device comprises a water storage tank, an inclined flow channel, a rectifying device, a sewage outlet and an irradiation area. The sewage storage tank is arranged at the topmost end and used for collecting sewage; the inclined flow channel is positioned below a beam outlet of the electron accelerator and is used for guiding sewage to flow along a preset path and receiving electron beam irradiation; the rectifying device is arranged at the upper part of the runner and is used for adjusting and optimizing the flowing state of sewage; an electron accelerator is arranged above the irradiation area and is used for carrying out irradiation treatment on the sewage; the sewage outlet is used for discharging the treated sewage. The speed distribution of the sewage flowing layer is regulated and controlled by adjusting the inclination angle and the gradual shrinkage angle of the inclined flow channel and the structure of the vertical baffle, and the uniformity of the sewage absorbing dose is improved. The device can improve the utilization rate of electron beam energy and enhance the sewage treatment effect, and has remarkable economic value.

The present invention belongs to the technical field of laser damage measurement, and relates to a real-time multi-angle damage measurement system and method for an optoelectronic imaging detector. The measurement system includes: a laser emission unit, a first incident unit, a second incident unit, a detection light source, a measurement unit, and a controller. The laser emission unit is used to emit a laser beam with adjustable energy and type. The laser beam irradiates the same preset area on the optoelectronic imaging detector along the optical path constructed by the first incident unit and along the optical path constructed by the second incident unit, and the energy of the laser beam is equal. The detection light source enables the optoelectronic imaging detector to be controllably in a light-illuminated working condition or a non-light-illuminated working condition. The measurement unit is used to measure the damage image output by the optoelectronic imaging detector, the energy distribution characteristics of the laser spot, and the surface damage morphology image of the optoelectronic imaging detector. The controller receives the images output by the measurement unit and can issue four control commands. The present invention can achieve damage measurement under the action of multi-angle co-irradiation of the laser.

The present invention belongs to the field of radiotherapy devices and discloses an applicator for electron beams, an applicator structure, and a method for determining electron beam energy. The applicator structure includes a scattering head, a scattering component, a beam-limiting component, and a sealing component. The scattering head is provided with an upwardly opening internal cavity, the opening of the cavity being tangent to the scattering component. The scattering component is arranged between the lower end face of the beam channel and the cavity to scatter electrons and expand the beam, while simultaneously reducing the X-rays incidentally generated due to bremsstrahlung and protecting surrounding normal tissues. The beam-limiting component is provided with a beam channel. The sealing component is located on the upper portion of the beam-limiting component and encapsulates the entrance of the beam channel. The applicator of the present invention can form a spherical dose distribution that is more conformal to the radiotherapy target area, complete a single high-dose radiotherapy during surgery, effectively improve the local control rate of tumors, effectively reduce the side effects caused by X-rays, protect surrounding normal tissues, shorten the treatment time, and is safe, effective, and reliable.

A linear accelerator apparatus suitable for radiotherapy applications such as FLASH radiotherapy, comprising an apparatus for accelerating a beam of electrons 412 provided by an injector 410 through t

The invention relates to the technical field of accelerator beam calibration, in particular to an electron accelerator beam calibration water absorption target device which comprises a suspension support, an installation platform is arranged at one end of the suspension support, and a calibration target is detachably installed on the installation platform; the calibration target comprises a detachable water tank mounted on the platform, the water tank is filled with a liquid medium for absorbing beam energy, and no bubble exists in the water tank; the water tank is horizontally arranged along the beam propagation direction of the electron accelerator, and the cross section is perpendicular to the beam incidence direction; according to the invention, the regular hexagonal honeycomb array measurement subareas are formed in the water tank through the thermal insulation partition plates, the regular hexagonal honeycomb array measurement subareas are further refined into the independent spacer areas in cooperation with the net-shaped partitions, and the regular hexagonal densely-laid structure has no measurement blind area and can completely cover the cross section of a beam; meanwhile, the side lengths and the volumes of all the partitions are consistent, and the standard unification of all the measuring units is ensured.

The invention is related to a method for processing wrapping paper for smoking articles comprising the following steps repeated periodically: a) supplying a portion of wrapping paper designed to make a smoking article to an operative range (23) of a marking device; and b) creating a feature on the portion of wrapping paper (26) by way of the marking device. The method is characterized by a step of holding the portion of wrapping paper on a processing surface in a fixed position in the operative range by way of vacuum suction device (24) while creating the feature; wherein the wrapping paper has a weight of 10 g / m2 to 16 g / m2 and the step of creating the feature is accomplished by a marking device that is a laser marking device (12) operated with a beam energy of 1 Watt to 15 Watt.

This invention discloses an energy homogenization control system for multimode fiber laser lenses, relating to the field of high-power multimode fiber laser technology. The invention achieves online monitoring of the beam spot behind the lens through a beam sampling unit and an acquisition unit, quantifies the energy distribution uniformity through a uniformity evaluation unit, generates adjustment commands through a control decision unit combining feedforward and feedback strategies, actively regulates the beam energy distribution through a homogenization execution unit, and finally ensures the safe and stable operation of the system through a safety protection unit. This achieves closed-loop homogenization control of the beam energy distribution during multimode fiber laser processing, improving the stability and consistency of processing quality, reducing processing defects caused by beam fluctuations, and enhancing anomaly identification and safety protection capabilities.

The invention discloses a beam energy adjustable ion beam processing device which comprises a base, a support, a negative electrode plate, a positive electrode plate, a diaphragm and an electric energy control module, a circular through hole is formed in the middle of the base, and one end of the negative electrode plate and one end of the positive electrode plate are both fixed to the base; a cylindrical ion beam channel is defined by the negative electrode plate and the positive electrode plate, the diaphragm is fixed to the base through a support, a conical channel is formed in the diaphragm, the large end of the conical channel is aligned with the end, away from the circular through hole, of the cylindrical ion beam channel, and the small end of the conical channel faces outwards. And positive and negative electrodes of the electric energy control module are respectively connected with the negative electrode plate and the positive electrode plate through wires. The invention also discloses a beam energy adjustable ion beam processing method. The beam energy adjustable ion beam processing device and the beam energy adjustable ion beam processing method have the advantages of reducing acceleration and deceleration adjusting frequency of a machine tool, meeting large-span removal amount adjusting requirements, improving processing efficiency and precision, reducing requirements for dynamic performance of the machine tool and the like.

The utility model provides a passive heat dissipation mechanism for absorbing laser energy. The passive heat dissipation mechanism comprises a heat insulation protection cover; the high-energy absorption main body is located on the inner side of the heat insulation protection cover, the end face, facing the laser beam emission direction, of the high-energy absorption main body is a first end face, the bottom face of the high-energy absorption main body is a second end face, and the first end face is provided with an inclined incident plane; the inclined incident plane is obliquely arranged downwards in the laser beam emitting direction, the upper end of the inclined incident plane is arranged on the first end face, and the lower end of the inclined incident plane is arranged on the second end face; the inclined incident plane is provided with at least two first inclined grooves, and the bottom surface of each first inclined groove and the inclined incident plane form an included angle a. Redundant laser beam energy can be reasonably converted, active heat dissipation is effectively replaced with a passive heat dissipation mode, energy consumption and material consumption are reduced, and the working environment and materials are effectively protected.

This invention relates to the field of seismic resistance technology for spatial frame structures, and discloses a method for determining the energy dissipation mechanism of a steel-concrete composite column-composite beam spatial frame. The energy dissipation mechanism includes steel beams, steel-concrete composite columns, and reinforced concrete slabs. The steel beams are welded and fixed to the steel-concrete composite columns via reinforcing rings, and the steel beams are fixedly connected to the reinforced concrete slabs via studs. Tie bars are provided at the ends of the steel-concrete composite columns. The ratio of the flexural bearing capacity of the steel beams to that of the steel-concrete composite columns is within the range of 0.42 to 1.05. By introducing the ductile damage parameter of the steel, combined with the inter-story drift angle, cumulative energy dissipation, beam-column energy dissipation ratio curve, and finite element calculation results of stiffness damage of the spatial frame, the energy dissipation characteristics and energy dissipation mechanism type of the structure are determined. This invention aims to solve the technical problems in the prior art where the steel-concrete composite columns do not form sufficient compression-bending hinges for energy dissipation during seismic resistance, easily leading to collapse, and the technical problems of using beam energy dissipation mechanisms in seismic design while rarely considering column energy dissipation.

The invention provides a laser beam combination energy loss suppression method and system and a storage medium. The method comprises the steps that real-time peak value relative delay between first laser and second laser is acquired; and calculating the real-time energy loss after the first laser and the second laser are combined according to the relative delay by using a pre-established compensation model, and respectively improving the real-time energy output of the first laser and / or the second laser based on the actual energy loss. According to the method, the compensation model for compensating the loss energy is fitted according to the data, and the initial output energy of the laser is compensated by using the compensation model according to the real-time peak value relative delay between the lasers, so that the energy loss in the laser beam combining process is better inhibited.

The application belongs to the field of plasma, and discloses a double-layer shell structure radio frequency self-neutralization plasma source, which comprises a grounded shell, a radio frequency shell, a discharge chamber, a radio frequency coil and a grid system; the radio frequency coil is wound outside the discharge chamber; the discharge chamber is provided with an air inlet at an upstream and an outlet at a downstream, the outlet is connected with the grid system, the radio frequency shell is wrapped outside the discharge chamber and the radio frequency coil and is located inside the grounded shell; the grid system comprises a screen grid and an acceleration grid, the radio frequency shell is electrically connected with the screen grid, and the grounded shell is electrically connected with the acceleration grid. The application introduces the radio frequency shell between the discharge chamber and the grounded shell, improves the ratio of the screen grid direct current self-bias component and the screen grid radio frequency voltage component amplitude, and then improves the beam energy and the extraction efficiency of the radio frequency self-neutralization plasma source, so that the performance of the plasma source is improved.

The present invention relates to a device (100; 200) for disinfecting any bacteria, viruses, dust or any other organic or inorganic bodies present in the air of public or private spaces using a disinfection chamber (110, 110"; 210) provided with a filter of laser beams (115, 115", 215). A dense grid of laser beams (115, 115", 215) is formed that saturates the disinfection chamber (110, 110"; 210). The air forced to pass through the entire disinfection chamber (110, 110"; 210) impacts every small particle, bacteria, virus, even nanometric, with laser beams (115, 115", 215), completely pulverizing, destroying and / or neutralizing itself by means of irradiation from a time ranging from 0.5 to 2 seconds of great beam energy.

The invention discloses a self-calibration laser gas concentration detection method and device based on beam splitting and beam splitting, and relates to the technical field of gas concentration detection.The method comprises the following steps that firstly, laser is transmitted to a beam splitter through a light transmission protection pipe; step 2, generating semi-transmission and semi-reflection on a coating contact surface of the beam splitter, and splitting the beam into two beams with the same energy; step 3, the two laser beams respectively penetrate through a lens to be collimated, one laser beam enters a standard gas chamber, and the other laser beam enters a gas chamber to be detected; 4, photoelectric detectors in the two gas chambers respectively detect energy loss conditions of laser in the corresponding gas chambers, and detection data are recorded; and 5, by taking the laser energy loss condition of the standard gas chamber as a reference, comparing the laser energy loss data of the gas chamber to be detected, and judging the gas concentration in the gas chamber to be detected. According to the self-calibration laser gas concentration detection method and device based on beam splitting and light splitting, double-path detection of the standard gas chamber and the gas chamber to be detected is adopted, and self-calibration is achieved by comparing laser energy loss.

The present invention relates to a lead free glossy finish hybrid radiation shielding composite panel comprising: a) 40-70% of industrial waste red mud and 30-60% of epoxy / polyester resin with or without glass fibre, wherein the composite panel has density in the range of 1.4-2.2 g / cc; water absorption in the range of 0.20-0.30%; tensile strength in the range of 12-120 MPa; tensile modulus in the range of 1.5-7.5 GPa; and half value layer in the range of 0.36-0.47 cm and 0.48-0.52 cm for X-ray beam energies of 60 and 100 kVp, respectively. The present invention also describes a low temperature process for manufacturing the composite panels. Moreover, the developed composite panel is a unique material and have multifunctional applications in wider spectrum as high energy electromagnetic radiation shielding doors, panels, partition panels and as roofing sheets.

The invention relates to a delivery dose control method for adaptive radiotherapy, computer equipment, a storage medium and a program product. The method comprises the following steps: collecting a positron signal while carrying out first delivery on beam energy of an initial dose to a target position; stopping beam irradiation in a preset time period, and collecting a positron signal in the preset time period to generate a positron activity distribution image; registering the positron activity distribution image with a preset template, and calculating to obtain a deviation value; judging whether the deviation value exceeds a preset threshold value or not; when the judgment result is yes, the irradiation parameters of the beam are adjusted, and the target position is covered with the beam energy of the residual dose; wherein the residual dose is greater than the initial dose. Through staged dose delivery, a small amount of dose is delivered first, then the acquired activity distribution image is registered with the preset template, and the remaining dose delivery is adjusted in real time according to the deviation value, so that the subsequent dose can cover the target position, and the method is suitable for the radiotherapy plan in different times, and the dose delivery precision is high.

The invention discloses a multi-mode man-machine interaction control method and system for an underwater robot, and relates to the technical field of man-machine interaction control, and the control method comprises the steps: extracting an instruction intention of a diver through an electromyographic signal and a tension sensing array; obtaining an energy distribution function of an angular rotating beam by combining a simulation modeling excitation model, and determining a circumferential energy flux through closed curve integration; performing spatial sampling on the transmitted angular rotation beam signal, calculating a sound pressure change value per unit area, and mapping the sound pressure change value to a piezoelectric dot matrix module of an underwater robot shell to construct a two-dimensional instruction response matrix; in an operation execution stage, sensing the capacitance change of a touch area, calculating a pressure intensity gradient vector, and fusing the pressure intensity gradient vector with an instruction response matrix to generate a tactile feedback tensor; and constructing an interaction evaluation model based on the tactile feedback tensor and the beam energy flux to judge whether the current multi-modal man-machine interaction process is valid, and generating and executing a corresponding interaction control instruction.