56 results about "Laser guidance" patented technology

The invention discloses a laser guidance unmanned aerial vehicle false attack angle feedback stability augmentation control method comprising the following steps that a three-loop autopilot frame with a false attack angle as a feedback signal is set, and the false attack angle is a calculated value of the attack angle; three-loop autopilot control parameters are set, and an autopilot is obtained; and an autopilot is adopted to control the flight state of the laser guidance unmanned aerial vehicle. According to the false attack angle feedback stability augmentation control method for the laser guidance unmanned aerial vehicle, stability augmentation control of the system is achieved through a three-loop autopilot frame with the false attack angle as a feedback signal, higher robustness is obtained, and an expected instruction can still be tracked under interference.

The invention aims to provide a vertical shaft heading machine attitude determination method and system, and belongs to the field of underground engineering monitoring. The method comprises the following steps: establishing a fixed coordinate system and a carrier coordinate system, acquiring propagation time by using a well wall ultrasonic transmitter and a platform receiver, and resolving absolute coordinates of the receiver and absolute attitude of a platform based on spatial spherical intersection; meanwhile, a gyroscope and an accelerometer are used for collecting angular velocity and specific force information, and high-frequency and low-frequency predicted attitudes are calculated. And combining the absolute attitude with the predicted attitude through a fusion algorithm to obtain an optimal attitude angle, and constructing a conversion matrix to process specific force information so as to solve an optimal position deviation. The advantages of high penetrability of ultrasonic waves and continuity of inertial navigation are utilized, the problem that laser guidance is prone to failure in the dust and muddy water environment is solved, and high-precision and anti-interference real-time monitoring of the posture of the vertical shaft heading machine is achieved.

The utility model relates to the technical field of material transportation equipment, and discloses a high portal forward moving type AGV with an intelligent accessory, which comprises a battery, the middle part of the left side of the battery is fixedly connected with a walking driving module, the top of the walking driving module is fixedly connected with a chassis module, and the right side of the walking driving module is provided with a forward moving part. And the right side of the forward moving part is slidably connected with a portal system, the right side of the portal system is slidably connected with an intelligent accessory, the bottom of the front side of the forward moving part is fixedly connected with a valve control part, the outer wall of the walking driving module is provided with a pallet fork, and the rear side of the left side of the pallet fork on the left side is fixedly connected with a servo motor. According to the utility model, map scanning is realized through the laser-guided radar module, so that remote control can be realized, the number of intermediate transmission lines can be reduced, the transmission fault probability can be reduced, and the maintainability can be improved by adopting light and small compact structural design, electric driving and integrated bus modular control.

The application discloses a mobile CT and a laser-guided intraoperative mobile CT positioning and navigation method, and the method comprises the following steps: a laser emitting device projects a laser line on the ground, the relative pose of the mobile CT relative to the laser line is calculated, and the distance of the mobile CT and the steering angular velocity of the chassis are controlled based on the relative pose. The application makes full use of the high brightness and high coherence characteristics of the laser line, effectively reduces the dependence on traditional positioning marks, and significantly reduces the complexity and cost of the system. In addition, the application also specially considers the application requirements in complex medical scenes, and ensures the reliability and accuracy in variable environments. Therefore, the application provides a new and efficient solution for the precise positioning and navigation of the intraoperative mobile CT platform.

The invention relates to a quantum cascade laser emitting a polarized TM optical mode with a wavelength between 3 and 15 µm, comprising an amplifying medium and a main waveguide. The latter includes a coupling section in contact with the amplifying medium, comprising a diffraction grating (DFB). The coupling section has a width greater than or equal to a minimum width from which an antisymmetric supermode propagating in a laser guidance structure comprising the amplifying medium and the main waveguide has a confinement factor in an active region of the amplifying medium strictly greater than those of the optical modes capable of being guided by the guidance structure. The main waveguide comprises a core based on atoms from column IVA of the periodic table of elements and a confinement subshell of SiN or a chalcogenide. (See Figure 1A for the abstract.)

A hovering and / or accompanying laser decoy, an attracting and deviating system comprising the decoy, the hovering and / or accompanying laser decoy comprising a laser, a decoy head and a carrier, wherein the laser comprises a connecting part of the laser and the decoy head, the decoy head comprises a laser scattering body, a base and a connecting part with the laser, the connecting part of the laser and the decoy head is arranged to meet the combination of the laser and the decoy head being connected as a whole, and the laser emitted by the laser irradiates into the decoy head and is partially or totally scattered by the laser scattering body therein. The decoy and the attracting and deviating system comprising the decoy are particularly suitable for laser guidance attracting and deviating protection of movable targets.

An air-based counter-countermeasure (CCM) system includes an autonomous or semi-autonomous unmanned aircraft capable of deployment to an area of a countermeasure system having (1) a laser detector to receive and identify an incident laser signal as a target designator signal and (2) one or more countermeasure subsystems operative in response to an output of the laser detector to deploy corresponding countermeasures against a laser target designator. The CCM system further includes a laser-based CCM subsystem carried by the aircraft, the CCM subsystem being configured and operative, during the deployment of the aircraft, to direct a simulated target designator laser signal to the laser detector of the countermeasure system to trigger one or more of the countermeasures and thereby reduce protective ability of the countermeasure system against subsequent laser-guided attack.

The invention relates to an edge banding processing device for cutting an edge band that is or is applied to an edge of a workpiece, comprising: a fastening device configured to attach the edge banding processing device to the edge banding machine in geometric relation to a guide device of an edge banding machine, the guide device being configured to apply the edge band to the workpiece and to guide the workpiece along a guide direction, characterized by a laser processing unit, comprising a laser radiation source configured to generate a laser beam, a laser focusing unit configured to focus and / or defocus the laser beam, and a laser guidance unit configured to direct the laser beam onto a processing area, wherein the laser processing unit is configured to cut the edge band.

This invention discloses a hovering method and system for firefighting drones based on laser guidance and reliable fusion, relating to the field of drone hovering control technology. By deploying laser guidance devices in the high-altitude firefighting operation area, a stable spatial guidance reference is established to guide the drone into the target hovering area and continuously receive coded laser beams. Based on this, laser reception features are extracted and a link reliability factor is calculated to assess the reliability of laser deviation observation information and suppress anomalies. Simultaneously, the laser deviation observations are aligned with the attitude, velocity, and altitude information output by the inertial navigation unit using a time reference and coordinate consistency correction to form a fused data set. Through adaptive reliable fusion and consistency constraints, a hovering error vector for hovering control is constructed, driving the flight control unit to dynamically adjust the drone's hovering position, thereby improving the stability and reliability of drone hovering positioning during high-altitude firefighting operations.

The present invention relates to the field of laser beam synthesis technology, and in particular to a laser beam synthesis system, comprising: a rotating platform, a laser directional emission system, and a control system; the rotating platform is used to adjust the direction of the laser directional emission system; the laser directional emission system includes a phased array radar, a laser guidance device, and at least one beam array device; the phased array radar is used to detect and track targets; the laser guidance device measures the target distance and speed through laser echoes; the beam array device deflects the beam of the beam array device toward the system's central axis to form a conical beam; the control system drives the rotating platform based on target position information, so that the laser guidance device is aligned with the target, controls the beam array device to align with the target, and strikes the target. The advantage of the present invention is that the laser array adopts a ring array structure composed of multiple fiber lasers. This ring arrangement achieves large-scale integration and improves the total output power by increasing the number of fiber lasers.

The utility model relates to the technical field of laser treatment equipment, and discloses a carbon dioxide laser treatment device, which comprises a movable base; the host is arranged above the movable base, the host is fixedly connected with the movable base, and a laser emission module is arranged in the host; the light guide treatment module is arranged above the host, one end of the light guide treatment module penetrates through the outer side wall of the host to be communicated with the laser generation module, and the light guide treatment module is used for guiding the laser emitted by the laser emission module to a preset skin treatment area according to a preset light guide path; the cooling module is arranged in the host, one end of the cooling module is connected with the inner bottom surface in the host, the other end of the cooling module is connected with the laser emission module, and the cooling module is used for cooling the operation temperature when the laser emission module emits laser. According to the utility model, through combination and cooperation of all the modules, accurate laser guidance and efficient heat dissipation are effectively realized, so that the treatment effect and the reliability of the equipment are improved.

The utility model discloses a laser guidance interactive experience device which comprises a projection plate, a laser emitting device, a laser tracking device, a serial port multimedia player and a laser projector, and a laser receiver is embedded in the front face of the projection plate. The laser emitting device is used for emitting laser beams to the projection plate; a tracking module of the laser tracking device is fixedly connected with an infrared guided missile model, and the laser tracking device is used for tracking a laser point on the projection plate and enabling the infrared guided missile model to rotate towards the laser point according to a tracking result; when the laser is emitted to any laser receiver, the serial port multimedia player can play corresponding video content according to the signal emitted by the laser receiver, and the video can be projected to the projection plate through the laser projector. By means of the interactive demonstration mode, an experiencer can intuitively experience the operation condition of a laser guided missile in actual operation, and the cognition depth of the experiencer on the application of modern science and technology in the field of weapon equipment is improved.

This invention relates to the field of laser guidance technology, addressing the problem that existing technologies cannot effectively identify the interference of spot morphology distortion on centroid calculation from the raw voltage signals of a four-quadrant detector. Specifically, it provides a high-speed dynamic tracking and control method for laser guidance equipment, comprising the following steps: acquiring four voltage signals output by a four-quadrant detector; calculating the signal quality factor and morphology distortion factor based on the four voltage signals; converting the final tracking deviation into a line-of-sight (LOS) deviation; based on the roll angular velocity in the projectile's angular velocity and historical control command disturbances; employing an active disturbance rejection controller to synthesize a total control command based on the LOS deviation, LOS angular velocity, feedforward compensation amount generated based on the LOS angular velocity, and active cancellation compensation amount. This invention calculates the morphological entropy and anisotropy index in real time based on the four-quadrant signals, using the corrected deviation to replace the false centroid, fundamentally eliminating servo desaturation oscillations caused by nonlinear spot offset.

An air-based counter-countermeasure (CCM) system includes an autonomous or semi-autonomous unmanned aircraft capable of deployment to an area of a countermeasure system having (1) a laser detector to receive and identify an incident laser signal as a target designator signal and (2) one or more countermeasure subsystems operative in response to an output of the laser detector to deploy corresponding countermeasures against a laser target designator. The CCM system further includes a laser-based CCM subsystem carried by the aircraft, the CCM subsystem being configured and operative, during the deployment of the aircraft, to direct a simulated target designator laser signal to the laser detector of the countermeasure system to trigger one or more of the countermeasures and thereby reduce protective ability of the countermeasure system against subsequent laser-guided attack.

The invention discloses an automatic welding seam tracking method for a rectangular frame based on multi-source control. Linear lasers emitted by at least two linear laser emitters intersect at a welding seam on a welded piece; the position of the linear laser is recognized through a laser sensor installed at the end of the welding mechanical arm, and a welding head of the welding mechanical arm is guided to move towards the position of the linear laser; a welding head of the welding mechanical arm is guided to move to one end of linear laser through a cylindrical laser transmitter, temperature distribution of the surface of the welded piece is detected through an infrared temperature imager installed on the periphery of the welded piece or integrated on the end portion of the welding mechanical arm, and the welding head of the welding mechanical arm is guided to move from a high-temperature area to a low-temperature area; detection data of the laser sensor and the infrared temperature imager are received through the data processing and control module, a multi-element adjusting mechanism of linear laser guiding, projection spot ring calibration and temperature distribution correction is formed, and the welding device can be adapted to welding of different batches and different products without manual programming.

The present application relates to the technical field of photoelectric countermeasure and semi-physical simulation test, and particularly relates to a kind of intelligent integrated test system of laser guidance equipment anti-interference algorithm, including test task configuration module, scene generation module, algorithm running module, multi-dimension evaluation module and test report generation module;The present application, by converting user test idea into quantitative simulation parameters, then based on digital twin environment real-time solution laser transmission, target reflection and platform motion physical effect, generates dynamic countermeasure scene, can execute full-process data acquisition and resource consumption statistics to algorithm, complete interference identification, tracking accuracy, instruction smoothness and multi-dimension index calculation and comprehensive performance evaluation of resource consumption, and automatically generate test report, realize the effective promotion of algorithm test authenticity, fairness and iteration efficiency under complex countermeasure environment.

The invention discloses a three-dimensional simulation system for an aircraft. The three-dimensional simulation system comprises an irradiation system simulation module, an environment interference module, a comprehensive simulation module and a three-dimensional demonstration module. The three-dimensional demonstration module is used for dynamically expanding output data of the comprehensive simulation module by taking a time axis as a reference, and integrating key information such as a search range of the laser detection device, a tracking pointing vector, a movement track, a pod irradiation light path and a target movement track to form a three-dimensional situation map; projection information is reconstructed, and the cooperation performance of the laser detection device, the aircraft and the pod is analyzed and evaluated from multiple dimensions. According to the invention, the technical problems of insufficient prior information and single guidance precision analysis dimension when an aircraft carries a laser detection device to realize semi-active laser guidance in an interference environment are solved, the hang-flight cost is saved, the test reliability is improved, and the technical effects of displaying in a three-dimensional space can be achieved.

A transport method according to an embodiment uses an unmanned transport machine capable of carrying a transport container in which a transport object is disposed, the method comprising a moving step for moving the unmanned transport machine from a start point position to an end point position along a transport route by a laser guidance system, which determines the current position and direction of the unmanned transport machine by capturing reflected light from three or more reflection plates irradiated with laser from the unmanned transport machine. In the transport method, at least one of the start point position and the end point position is disposed on the side of a heat treatment furnace.

The invention provides a tunnel inspection robot charging device and an inspection robot, and belongs to the technical field of robot charging, and the charging device comprises a charging bench, and the top of the charging bench is provided with a charging plug; the strip-shaped blocks are symmetrically arranged on the two sides of the supporting table, and sliding rods are connected to the strip-shaped blocks in a sliding mode; the pair of stop levers is rotationally connected to one ends of the pair of strip-shaped blocks respectively; the pair of first pushing mechanisms comprises a group of friction wheels and cross rods, the friction wheels are vertically and rotatably connected to the tops of the cross rods through first rotating shafts, the pair of cross rods are vertically arranged above the pair of vertical rods respectively, and the pair of vertical rods are connected with the outward ends of the pair of sliding rods respectively; the second pushing mechanism is arranged between the pair of sliding rods and used for driving the two sliding rods to slide synchronously; the inspection robot comprises a main body and two pairs of mechanical legs arranged on the two sides of the main body, and a power receiving jack is formed in the bottom of the main body. And the charging device can automatically charge the inspection robot without setting infrared / laser guidance, so that faults are not easy to occur, and the practicability is high.

This application provides a charging device and a tunnel inspection robot, belonging to the field of robot charging technology. The charging device includes: a charging platform with a charging plug on top; a pair of strip blocks symmetrically arranged on both sides of a support platform, with sliding rods slidably connected to the strip blocks; a pair of stop bars rotatably connected to one end of the pair of strip blocks; a pair of first pushing mechanisms, each including a set of friction wheels and crossbars, the friction wheels being vertically rotatably connected to the top of the crossbars via a first rotating shaft, the pair of crossbars being vertically arranged above the pair of vertical bars, and the pair of vertical bars being connected to the outward-facing ends of the pair of sliding rods; a second pushing mechanism, located between the pair of sliding rods, for driving the two sliding rods to slide synchronously; the inspection robot includes a main body and two pairs of mechanical legs located on both sides of the main body, with a power receiving socket at the bottom of the main body. The charging device can automatically charge the inspection robot without the need for infrared / laser guidance, is less prone to failure, and is highly practical.

This invention discloses a hybrid decoding method for laser seekers, comprising the following core modules: a high-speed main channel, an auxiliary verification channel, and a joint decision unit. The main channel rapidly scans the signal stream using a digital matched filter, triggering a local window upon detecting a candidate frame. The auxiliary channel performs incremental sliding autocorrelation analysis within the window, efficiently verifying the signal structure integrity using an incremental recursive formula. The joint decision unit determines the valid signal based on a dual-dimensional threshold of the matched peak value and the autocorrelation peak value. This invention significantly improves decoding robustness under non-ideal channel conditions, while ensuring real-time performance through local window constraints and incremental calculations, making it suitable for high-interference scenarios such as laser guidance.

This invention discloses a hovering method and system for firefighting drones based on laser guidance and reliable fusion, relating to the field of drone hovering control technology. By deploying laser guidance devices in the high-altitude firefighting operation area, a stable spatial guidance reference is established to guide the drone into the target hovering area and continuously receive coded laser beams. Based on this, laser reception features are extracted and a link reliability factor is calculated to assess the reliability of laser deviation observation information and suppress anomalies. Simultaneously, the laser deviation observations are aligned with the attitude, velocity, and altitude information output by the inertial navigation unit using a time reference and coordinate consistency correction to form a fused data set. Through adaptive reliable fusion and consistency constraints, a hovering error vector for hovering control is constructed, driving the flight control unit to dynamically adjust the drone's hovering position, thereby improving the stability and reliability of drone hovering positioning during high-altitude firefighting operations.

The invention discloses a label printing device based on laser guiding and positioning, and relates to the field of label printing, the label printing device comprises a conveying belt, and the conveying belt comprises a feeding end and a discharging end which are oppositely arranged; the discharging mechanism is arranged above the feeding end, and the discharging mechanism is used for feeding labels to the conveying belt; the positioning printing mechanism is arranged between the feeding end and the discharging end, the positioning printing mechanism is used for printing labels, and the positioning printing mechanism comprises a first industrial camera, a second driving motor and a laser module; the controller is electrically connected with the positioning printing mechanism; wherein the laser module comprises a laser positioning module and a laser printing module, and the first industrial camera is used for roughly positioning a target label; based on the obtained coarse positioning information, the controller controls the laser positioning module to perform fine positioning on the target label; and when it is judged that the target label moves to the position below the laser printing module, the controller controls the laser printing module to print the target label. The label printing device has the advantage of being accurate in label printing position.

The application discloses a kind of laser guidance radar's anti high frequency interference method and device, method includes: receiving multiple echo signals and according to multiple echo signals real-time setting multiple self-adapting overlapping wave gates;Echo signal is the signal formed after reflection for the pulsed signal that laser target indicator emits in random frequency mode;According to multiple wave gates, obtain multiple candidate pulse echo combinations from multiple echo signals;According to each echo signal and the target distance of target to be hit, with the motion attribute of seeker for hitting target to be hit, obtain target pulse echo combination from multiple candidate pulse echo combinations;According to target pulse echo combination, determine the position of target to be hit.The application can improve the anti high frequency interference ability of laser guidance system, realize accurate laser guidance, and can be widely applied in laser guidance field.

A laser indexing apparatus (10) and a laser indexing system (1) comprising same. The laser indexing apparatus (10) comprises an indexing mechanism (11) and a laser positioning apparatus (12); the laser positioning apparatus (12) is capable of emitting two laser beams having adjustable widths; the laser positioning apparatus (12) is mounted on the indexing mechanism (11) so as to rotate along with rotation of the indexing mechanism; the laser positioning apparatus (12) comprises a first laser emitter (121), a second laser emitter (122), and a laser driving unit (124); the first laser emitter (121) and the second laser emitter (122) are respectively used for emitting a first laser beam (M1) and a second laser beam (N1); the laser driving unit (124) is capable of driving the second laser emitter (122) to move, so as to adjust the distance between the second laser beam (N1) emitted by the second laser emitter and the first laser beam (M1) emitted by the first laser emitter. The laser indexing apparatus performs laser guidance on the positions of cushion blocks in the manufacturing process of a transformer end ring and collar assembly, so as to replace the method, in the traditional technology, for positioning the positions of the cushion blocks by means of a manual marking method, thereby improving the positioning precision, and reducing errors.

The application provides a computer vision-based intelligent tennis serving training method and system, which comprises the following steps: calibrating laser guiding parameters of a guiding device according to key physiological data of a trainer; decoupling a tennis serving action into multiple sub-technical action training items, and displaying each sub-technical action training item for the trainer to select; extracting target control parameters matched with the sub-technical action training item selected by the trainer from the laser guiding parameters, and controlling the guiding device to project laser guidance according to the target control parameters to guide the trainer to perform the corresponding sub-technical action according to the guidance; acquiring image sequence data of the trainer when performing the sub-technical action, constructing a human motion dynamic model according to the image sequence data, and determining key action parameters of the trainer; and after the trainer performs the sub-technical action, generating a motion video superimposed and rendered with the human motion dynamic model and the key action parameters for analysis result display.

The invention discloses a TBM laser guide adjusting device, and belongs to the technical field of tunnel boring machines, the TBM laser guide adjusting device comprises a mounting shell, a first angle adjusting mechanism, a second angle adjusting mechanism, a mounting cylinder, a mounting frame and a laser emitter, the laser emitter is arranged in the mounting cylinder, the top and bottom of the mounting cylinder are fixedly provided with mounting shafts, and the mounting shafts are fixedly connected with the mounting shell. The mounting shaft is rotationally mounted in the mounting frame, and a driven gear is fixedly mounted on the mounting shaft; the first angle adjusting mechanism comprises a first driving piece, a driving gear, an outer gear ring, a rotating ring and a cross beam. According to the invention, two sets of independent adjusting mechanisms are utilized to realize accurate control of up-down and left-right swing angles of the laser transmitter, the piezoelectric ceramic driver is adopted as a power source, and the specific stepping principle and high response characteristic of the piezoelectric ceramic driver are utilized, so that the adjusting precision and sensitivity are obviously improved, and the response delay is greatly shortened.

The application discloses a kind of test devices of laser guidance multi-field coupling loading under complex environment, including environmental test chamber and optical support installed in environmental test chamber, the slide rail is equipped in optical environment test chamber;Rotary table is equipped on optical support, the helical laser beam rotating around the axis of seeker is sent to the length direction of slide rail by laser rotary table;Wind force simulation mechanism, water mist simulation mechanism, smoke simulation mechanism, illumination simulation mechanism and haze simulation mechanism are equipped in optical environment test chamber, the seeker can be slid forward and backward on the slide rail in the present application, the complex environment in actual seeker working process is simulated by wind force simulation mechanism, water mist simulation mechanism, smoke simulation mechanism, illumination simulation mechanism and haze simulation mechanism, and loading test is facilitated in complex environment for seeker.

The invention discloses a verticality measuring device based on laser guiding positioning, and relates to the field of safety monitoring of mechanical equipment, in particular to the verticality measuring device based on laser guiding positioning, which is characterized in that a fixed base can adapt to fixation of surfaces of different materials through a modularized split design, and the verticality measuring device is convenient to use. A gravity self-adaptive universal joint, a laser transmitter and high-precision scales are combined, a measuring device of an A-type universal joint structure and a measuring device of a B-type universal joint structure are provided through modular design, the A-type universal joint is vertically downward after being adsorbed on the top through a base, and the B-type universal joint is vertically downward after being vertically adsorbed through the base. The perpendicularity of the to-be-detected equipment is rapidly and accurately detected by using core components such as gravity self-adaptive laser positioning and a multifunctional measuring plate.