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279 results about "Servomechanism" patented technology

In control engineering a servomechanism, sometimes shortened to servo, is an automatic device that uses error-sensing negative feedback to correct the action of a mechanism. It usually includes a built-in encoder or other position feedback mechanism to ensure the output is achieving the desired effect.

Course axis drift suppression method and device, holder and medium

The invention relates to a course axis drift suppression method and device, a holder and a medium, and the method comprises the steps: receiving original data of a current course, the original data comprising an absolute angle outputted by a course encoder, and an acceleration and an angular velocity outputted by an IMU module; the original data are converted into a unified coordinate system through a rotation matrix, and mechanical installation deviation is compensated; performing data fusion on the compensated original data through a preset fusion algorithm; and outputting the fused absolute angle to a servo mechanism of the holder, and by adopting the method, through real-time sensor data alignment, a dynamic compensation algorithm and a fusion algorithm, a course drift suppression mechanism which is resistant to dynamic interference and low in cost is constructed, and static drift lt can be realized; the dynamic tracking error is 1t, 0.01 degree / h and 1t; and the technical index is 0.05 degree.
Owner:VIEWPRO LTD

Self-adaptive operation method, device and system of rubber tapping robot

The embodiment of the invention provides a self-adaptive operation method, device and system for a rubber tapping robot, and the method comprises the steps: enabling the rubber tapping robot to start autonomous navigation and automatically drive to a rubber tree to be operated, obtaining corresponding operation data in a database according to the serial number of the rubber tree, and controlling a mechanical arm to move to a preset position; preliminary positioning is conducted, and rubber tapping operation position information of the rubber tree is obtained; a rubber tapping operation track is calculated, a shortest collision-free path is found, and the pose of a mechanical arm is adjusted; after secondary positioning, the rubber tapping module is started to move; wherein the rubber tapping module comprises servo mechanisms in different directions; according to the collected distance information, automatic fine positioning is achieved, and the posture of the mechanical arm is adjusted in real time to cut the rubber tree; servo mechanisms in different directions are adopted, meanwhile, self-adaptive adjustment is achieved, the situation that the motion trail and the stress direction of the blade are not coincident is avoided, and cutting uniformity and cutting precision are guaranteed.
Owner:AUTOMOTIVE WALKING TECHNOLOGY (BEIJING) CO LTD

Motion compensation type pile gripper perpendicularity adjustment control method

The invention relates to a motion compensation type pile gripper perpendicularity adjustment control method which comprises the following steps: 1, mounting a tilt angle sensor and a displacement sensor on a pile gripper for detecting the tilt angle theta of a pile body and the position of a supporting arm in real time; step 2, acquiring a current inclination angle value theta c and a target value theta t through a control system, calculating a real-time perpendicularity deviation delta theta = theta c-theta t, and driving a servo mechanism to adjust the position of a supporting arm according to the perpendicularity deviation delta theta so as to perform motion compensation; and step 3, dynamically correcting the compensation process by using a closed-loop control algorithm until the condition that verticality adjustment is completed is met, namely delta theta is less than or equal to epsilon, and epsilon is an allowable error threshold. A high-precision inclination angle sensor and a displacement sensor are installed on the pile gripper, the inclination angle of a pile body and the position deviation of a supporting arm are detected in real time, and a control signal is dynamically generated through a closed-loop control algorithm to drive a servo mechanism to conduct adjustment. A dynamic parameter compensation mechanism is designed, control parameters are corrected in real time according to the inclination angle of the foundation and external force interference, the adjusting precision and stability under the conditions of complex terrains and dynamic external force are remarkably improved, a servo mechanism achieves precise action through a hydraulic driving system and a proportional control valve, the response time of the servo mechanism meets the engineering requirement, and the engineering cost is reduced. And the perpendicularity error of the pile body can be controlled within a preset range, the construction efficiency and the long-term stability are improved, and the problem that a traditional manual adjustment and mechanical auxiliary system is insufficient in precision is solved.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Servo-mechanism-free defocusing amount automatic compensation control system for aerial camera

The invention relates to a servo-mechanism-free defocusing amount automatic compensation control system for an aerial camera, and belongs to the technical field of photoelectric instruments. According to different influences of the height, temperature and air pressure of a camera on an imaging focal plane, a temperature balance point is controlled through data calibration and temperature adjustment, the temperature balance point is slightly higher than a temperature point changing along with the height, and therefore automatic compensation of the comprehensive defocusing amount caused by the height, temperature and air pressure factors is completed. The system does not need any servo mechanism, only needs software to control the working temperature and keep the temperature balance point, can realize automatic focusing of the imaging focal plane along with the application environment, can adapt to different environmental conditions and different flight heights, and is good in thermodynamic property.
Owner:STATE RUN NO 228 FACTORY

Automatic control method for air introduction amount of dry quenching furnace

The invention discloses an automatic control method for the air introduction amount of a dry quenching furnace, and relates to the technical field of dry quenching, and the method comprises the following steps: collecting CO and H concentration distribution data and dust concentration gradient data in an annular flue of the dry quenching furnace, and boiler inlet temperature and circulating gas flow in real time; establishing a multi-parameter coupled dynamic prediction model, and predicting coke burn-out rates and boiler thermal efficiency under different air introduction amounts; an optimal air introduction amount threshold value is calculated through a model prediction control algorithm; on the basis of the optimal air introduction amount threshold value, the opening degree of an electric valve of an air introduction pipe is dynamically adjusted, meanwhile, displacement compensation of a servo mechanism at the position of an introduction opening in the annular flue is triggered, and an introduction point is made to be located in the optimization interval of the CO concentration, the Hconcentration and the dust concentration all the time; and a self-adaptive correction module is established, when it is detected that coke maturity is abnormal and coke discharge temperature fluctuation is abnormal, a compensation control mode based on deep reinforcement learning is automatically switched, and dynamic prediction model parameters are updated.
Owner:BEIJING ZHIYE INTERNET TECH CO LTD

Running control system of uniform glue baking machine

The invention relates to the technical field of equipment operation control, and discloses an operation control system of a spin coating roaster. The system comprises an initialization module used for carrying out parameter initialization on the uniform glue baking machine and generating equipment initial state data; the time sequence control module is used for performing time sequence control on an upper shovel hand servo mechanism and a lower shovel hand servo mechanism of the uniform glue baking machine to obtain wafer position data and adsorption state data; the rotating speed grading control module is used for carrying out five-section type rotating speed grading control on rotating servo equipment of the spin-coating baking machine to obtain rotating speed control data; the gluing control module is used for carrying out gluing control on gluing equipment and generating gluing parameter data; and the compensation control module is used for performing inter-region heat coupling compensation control on the four-region heating units of the spin-coating baking machine and outputting a temperature uniformity control result. According to the invention, the gluing positioning precision control is realized, the consistency of the gluing amount is improved, and the variation between batches of products is reduced.
Owner:QINGDAO JINHUIYUAN ELECTRONICS CO LTD

Press fitting device for sealing ring of motor shaft

The invention relates to a motor shaft sealing ring press-fitting device which comprises a press-fitting operation table, and a motor is placed on a tool plate with a radio frequency identification tag and placed on the press-fitting operation table. The lifting mechanism lifts the press-fitting operation table, and the press-fitting mechanism comprises a plurality of pressing heads; the pressure head driver is used for driving the pressure head to a press-fitting position so as to press-fit the sealing ring on the motor shaft; the servo mechanism drives the press-fitting mechanism to move to the sealing ring taking table to pick up the sealing ring, and the servo mechanism further drives the pressing head at the press-fitting position to press the sealing ring; the motor shaft positioning mechanism is used for positioning a motor shaft, and the feeding mechanisms are used for moving sealing rings of different sizes to the sealing ring taking table; and the electric control system comprises a reader, the reader reads the radio frequency identification tag to obtain the configuration information of the motor, and drives the specified pressing head to the press-fitting position based on the configuration information of the motor, so that the specified feeding mechanism moves the sealing ring to the sealing ring taking table, and the specified motor shaft positioning assembly positions the motor shaft.
Owner:SIEMENS STANDARD MOTORS LTD

Large-angle and high-precision control method for 3-RPS parallel servo mechanism

The invention relates to a large-angle and high-precision control method for a 3-RPS parallel servo mechanism. The method comprises the following steps: step 1) establishing a kinematic model of the 3-RPS parallel servo mechanism and performing motion constraint analysis; 2) considering speed feed-forward compensation of the parallel mechanism, and performing attitude closed-loop cooperative control on the basis of the speed feed-forward compensation; and step 3) planning a motion trail of wide-angle attitude change, considering multiple physical constraints, and realizing accurate and rapid attitude control. According to the large-angle and high-precision control method for the 3-RPS parallel servo mechanism, the kinematics of the 3-RPS parallel servo mechanism is analyzed to obtain an analytic equation of a 3-RPS off-axis angle, an azimuth angle and a parallel three-connecting-rod; the control rate based on speed feed-forward and position compensation gives consideration to motion rapidity and accuracy; multi-physical constraint trajectory planning is considered, and the platform performance is brought into full play; and large-angle and high-precision servo control of the 3-RPS parallel mechanism is realized.
Owner:CHINA STATE SHIPBUILDING CORP NO 707 RES INST

Mineral small-sized anti-vibration trepanning directional measurement device and method

The invention discloses a mining small-sized anti-vibration trepanning directional measurement device and method. The mining small-sized anti-vibration trepanning directional measurement device comprises a battery module, a measurement module, a vibration reduction module, a display module, a power switch and a charging interface, the measurement module comprises an MEMS gyroscope, an MEMS accelerometer, a conductive slip ring, a servo mechanism, an IMU module, a main control board, a motor control board and an external interface connector. Based on the high-precision small-size MEMS gyroscope, the MEMS accelerometer and the integrated small IMU, the equipment size is reduced, the cost is reduced, and the power consumption of the whole machine is reduced; through a four-position north-seeking method, the measurement time is shortened, and high-precision autonomous orientation is realized; based on an integrated small IMU, the tapping direction is updated in real time through quaternion calculation, and dynamic tracking measurement is achieved in the drilling machine adjusting process; according to the vibration reduction module and the vibration reduction method, the vibration resistance problem of an MEMS device is solved, the data quality of an MEMS gyroscope and an MEMS accelerometer is improved, vibration reduction filtering in the tracking process is achieved, and the equipment orientation precision is improved.
Owner:XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP

Carrier rocket engine frame deformation compensation method

The invention provides a carrier rocket engine frame deformation compensation method. The carrier rocket engine frame deformation compensation method comprises the steps that an additional swing angle estimated value caused by frame deformation of an engine frame under the action of different thrust is measured in advance through a static test; the length of the servo mechanism is adjusted, and on the basis of the original swing angle, swing angle pre-compensation is conducted on an engine rack; according to the additional swing angle estimated value and a pre-compensation angle of swing angle pre-compensation, compensation and amplitude limiting are conducted on the engine swing angle instruction, and the compensated and amplitude-limited engine swing angle instruction is obtained; and the compensated and amplitude-limited engine swing angle instruction is sent to a servo controller. According to the method, the tilt angle compensation amount changing along with time can be provided and used for offsetting the additional tilt angle caused by deformation of the engine frame, so that the attitude control precision is improved, and then the safety during stage separation is improved, the load injection precision is improved, or the propellant consumption of an auxiliary power system is reduced.
Owner:BEIJING ZHONGKE AEROSPACE TECH CO LTD

Crimping mechanism and pressure testing device

The utility model relates to a crimping mechanism and a pressure testing device. The crimping mechanism comprises a base plate, a plurality of driving members, a support plate and pressure head assemblies arranged in one-to-one correspondence with the plurality of driving members. When a pressure test is carried out, the servo mechanism drives the whole crimping mechanism to get close to the carrier carrying the chip until the plurality of positioning seats are respectively abutted against the positioning structures on the carrier to realize positioning. Then, each driving member drives the corresponding pressure head to move towards the chip so as to apply test pressure to the chip, thereby realizing batch test. Due to the fact that the base plate and the supporting plate are supported by the supporting rods, the supporting strength of the supporting plate is high. Therefore, when the positioning base abuts against the positioning structure, the supporting plate is not prone to generating large deformation due to the counter-acting force, it is ensured that the multiple pressing heads can be kept in the same plane, the situation that part of the pressing heads abut excessively, but part of the pressing heads abut not in place is effectively avoided, and then the accuracy of batch testing can be improved.
Owner:HANGZHOU CHANGCHUAN TECH CO LTD

Tank body excavation deviation rectifying system and method

The invention discloses a groove body excavation deviation correction system which comprises an embedded industrial personal computer serving as a system information interaction and calculation processing center, a data acquisition unit which is in data interaction connection with the embedded industrial personal computer and is used for acquiring stratum and grooving states, a dynamic geological database and a digital twin engine. The embedded industrial personal computer is also electrically connected with a hydraulic servo mechanism, a posture adjusting mechanism and a power modulation module which are used for controlling the double-wheel milling equipment; the multi-sensor fusion I MU + laser + sound wave and model prediction control MPC is adopted, the axis precision of + / -8 mm is achieved, the stratum rigidity change is predicted 1-3 steps in advance through sound wave scanning, the control weight is dynamically adjusted, and the deviation convergence speed is increased by three times. The problem that in the prior art, adjustment depends on artificial experience or simple feedback control based on PI D, and the axis deviation is generally + / -30-50 mm after the depth exceeds 50 m is effectively solved.
Owner:SINOHYDRO FOUND ENG

Multi-type servo mechanism shared load simulation system

The invention provides a multi-type servo mechanism shared load simulation system, and belongs to the technical field of steering engine loading tests, tested equipment is a multi-type servo mechanism, the multi-type servo mechanism pushes a loading rotation shaft to rotate through a plurality of lug combination sleeves so as to simulate rotation of a rudder or an airfoil, the multi-type servo mechanism is in one-to-one correspondence with the plurality of lug combination sleeves, and the multi-type servo mechanism pushes the loading rotation shaft to rotate through the plurality of lug combination sleeves so as to simulate rotation of the rudder or the airfoil. Comprising a loading mechanism and a plurality of locking structures. A driving end at the upper part of the loading mechanism is connected with a loading rotating shaft through a loading rocker arm. And the locking structure is arranged between the lug combining sleeve and the loading rotating shaft. And the locking structures corresponding to the servo mechanisms needing to execute actions are adjusted to reach the locking state, and the locking structures corresponding to the other servo mechanisms reach the unlocking state. According to the multi-type servo mechanism shared load simulation system provided by the invention, one loading mechanism can be matched with different numbers of multi-type servo mechanisms to carry out performance testing, and the system is smaller in occupied space, lower in cost and more convenient to maintain.
Owner:HANGCHEN SYST (TAICANG) CO LTD

Method for inhibiting mechanical resonance of rocket projectile servo mechanism

PendingCN119543725ASolve the problem of mechanical resonance caused by insufficient stiffnessEnhanced inhibitory effectElectronic commutation motor controlVector control systemsMechanical resonanceRocket
The invention discloses a method for suppressing mechanical resonance of a rocket projectile servo mechanism, which belongs to the field of servo control and mainly comprises the following steps: adding a damping generation module in a linear active-disturbance-rejection control algorithm; when it is detected that the servo mechanism reaches a target resonance position, the motion speed of the servo mechanism is detected through the damping generation module, and an input signal which is in direct proportion to the square of the motion acceleration of the servo mechanism and in the opposite direction is generated; and applying damping to the servo mechanism by using the input signal. The problem of mechanical resonance caused by insufficient rigidity of the servo structure can be solved under the condition that the dynamic performance is not sacrificed.
Owner:SICHUAN AEROSPACE FENGHUO SERVO CONTROL TECH CO LTD

Ku, Ka and W three-frequency-band meteorological radar multi-source joint detection system and method and storage medium

The invention relates to the technical field of microwave remote sensing, in particular to a Ku, Ka and W three-frequency-band meteorological radar multi-source joint detection system and method and a storage medium, and the system comprises an antenna feeder subsystem, a main control computer, an integrated digital processor, a Ku / Ka integrated radio frequency machine, a Ku-frequency-band power amplifier, a Ka-frequency-band power amplifier, a W-frequency-band transmitter, a W-frequency-band power amplifier, a W-frequency-band receiver and a servo mechanism. The system is designed according to a working mode and working parameters of a main control computer, realizes multiple functions such as Ku / Ka / W single-frequency-band independent working or multi-frequency-band simultaneous working and the like, and has co-polarization and cross-polarization echo signal receiving capability; by controlling the servo mechanism, two modes of fixed-point detection and conical scanning detection are realized, and detection requirements of different meteorological elements are met; the detection capabilities of three frequency bands of Ku, Ka and W are integrated in the system, the detection mode is flexibly configured according to weather conditions and detection requirements, the system has the multi-frequency-band, multi-polarization and multi-element integrated detection capability, and the detection efficiency of the meteorological radar is improved.
Owner:SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM

High-aspect-ratio wing flutter control method and control device thereof

The invention discloses a flutter control method and a flutter control device for a high-aspect-ratio wing. The flutter control method comprises the following steps: acquiring an initial flutter speed of the wing; steel cables are installed on the wings, and pre-tightening force is applied to the steel cables in the flight state through a servo mechanism so as to limit torsion of the wings; acquiring the expansion flutter speed of the wing after the pre-tightening force is applied to the steel rope; starting a wingtip angular displacement sensor in the flight process of the unmanned aerial vehicle, wherein the wingtip angular displacement sensor is used for monitoring a wingtip torsion angle and a torsion angular speed in real time; and when the flight speed of the unmanned aerial vehicle exceeds the extended flutter speed, a servo mechanism is used for dynamic control. The problem of how to improve the flutter speed and enable the unmanned aerial vehicle to safely fly at a higher speed so as to improve the flight performance of the unmanned aerial vehicle is solved.
Owner:XIAN LINGKONG ELECTRONICS TECH CO LTD

Full-servo intelligent high-speed computer board cutting equipment

The invention discloses full-servo intelligent high-speed computer board cutting equipment which comprises a rack, a pressing beam lifting servo mechanism, a saw seat servo mechanism and a feeding clamp seat mechanism. The pressing beam lifting servo mechanism comprises a pressing beam lifting servo driving mechanism and a material pressing beam, the pressing beam lifting servo driving mechanism comprises a pressing beam lifting servo motor, and the pressing beam lifting servo motor drives the material pressing beam to move up and down; the saw seat servo mechanism comprises a saw seat plate, a saw seat servo motor, a main saw mechanism, an auxiliary saw mechanism and a main saw lifting servo mechanism, the saw seat servo motor drives the saw seat servo mechanism to move left and right, the main saw lifting servo mechanism comprises a main saw lifting servo motor, and the main saw lifting servo motor drives the main saw mechanism to lift; the feeding clamp seat mechanism comprises a servo clamp seat cross beam and a clamp seat servo motor, and the clamp seat servo motor drives the feeding clamp seat mechanism to move front and back; full-servo control design is achieved, and the efficiency, precision and production stability of computer board cutting equipment are improved.
Owner:NANXING EQUIP (SHAOGUAN) CO LTD +1

Hydraulic actuator based on servo motor plunger pump

The invention relates to a hydraulic actuator based on a servo motor plunger pump, and belongs to the technical field of servo mechanisms. Comprising a servo motor pump, a first oil supplementing one-way valve, a second oil supplementing one-way valve, a first safety valve, a second safety valve, a manual bypass valve, an electromagnetic bypass valve, a damper, a balance valve, a filter, a pressurization oil tank and a hydraulic cylinder. An integrated servo motor plunger pump is adopted, a servo motor and the plunger pump are coaxially connected in a shell-sharing mode, and no coupler exists. The plunger pump is small in leakage and high in efficiency, high-precision speed control of the actuator is achieved, and the problems of miniaturization and reliability are solved through the integrated design; the integrated design of an integrated driving control module, a driving module, a control module, a power supply module and the like is adopted; bidirectional active control of the actuator is achieved, and the actuator can be actively and controllably driven to retract or stretch out through the servo motor pump under any working condition. The control precision of the actuator is improved, and the defect of one-way controllable output of an existing actuator is overcome.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS

A fast and non-destructive method for identifying the resonant frequency of a heavy-duty mechanism

This invention proposes a rapid and non-destructive method for identifying the resonant frequency of heavy-duty mechanisms. The load-end speed curves and motor-end speed curves under closed-loop and open-loop conditions at the motor end are obtained using the speed step response method and the current step response method, respectively. By performing an FFT transform on the two speed curves, the resonance peak is obtained, allowing for rapid measurement of the structural resonant frequency and the combined resonant frequency. This method eliminates the need to purchase an additional resonance analyzer, reducing measurement costs, and avoids the damage to large, heavy-duty servo mechanisms caused by sinusoidal frequency sweep measurements. It can not only be used for rapid identification of structural resonant frequencies but also to guide the design of servo controllers.
Owner:NANJING RES INST OF ELECTRONICS TECH

Servo mechanism control system and method based on TSN network communication

The invention provides a servo mechanism control system and method based on TSN network communication, and relates to the field of servo mechanism control. According to the system, a TSN network communication interface is adopted, and 1Gbps instruction receiving and sending can be achieved. Through optimization mechanisms such as time synchronization, flow scheduling and frame preemption, it is guaranteed that key data streams arrive at destinations within strictly specified time, delay and jitter are extremely low compared with RS422, only the us level exists, and state feedback of a servo mechanism is more real-time and accurate; in a communication period of 1ms, the maximum transmission of a single frame at a rate of 1Gbps can achieve 1500 bytes, and the capacity is greatly improved compared with that of RS422, so that a servo mechanism can return more state information; an optical cable is adopted as a communication medium, electromagnetic interference is avoided, and the real-time performance and stability of the communication process of the servo mechanism are guaranteed; and for a high-dynamic precise control scene, the communication period can be shortened to 500us, the state feedback of the servo mechanism is real-time, and further precise control is facilitated. The problems that a traditional servo mechanism is low in communication rate, limited in single-frame capacity, poor in anti-interference capacity and the like are solved.
Owner:贵州航天控制技术有限公司

Low-temperature two-way flow synchronous regulator based on adjustable venturi tube

The invention relates to a low-temperature double-channel flow synchronous regulator based on an adjustable venturi tube. The low-temperature double-channel flow synchronous regulator comprises a base, the venturi tube installed on the base, a plug cone, a driving device and an air replacement structure used for ice prevention and removal of the plug cone. The venturi tube, the plug cone and the driving device are sequentially arranged on the base; wherein the plug cone is in sliding connection with the base; the driving device is connected with the plug cone so as to control the flow area of the inlet of the venturi tube by adjusting the position of the plug cone relative to the venturi tube; the driving device is integrated with a displacement detection device for feeding back the output displacement of the driving device; the two venturi tubes are arranged side by side, and the plug cones and the venturi tubes are arranged in a one-to-one correspondence mode so as to be used for two-way flow control over an oxidizing agent and fuel. The high-precision servo mechanism serves as a driving device, the one-driving-two adjustable cavitation venturi tube serves as a flow adjusting element, and the two-way low-temperature oxidizing agent and fuel side flow synchronous control can be achieved.
Owner:NAT UNIV OF DEFENSE TECH

Model and test probe servo mechanism for high-temperature hypersonic flow field test

The invention discloses a model and test probe servo mechanism for a high-temperature hypersonic flow field test, and relates to the technical field of aerospace test equipment. The probe scanning system has two degrees of freedom and is integrated by a probe X-direction adjusting assembly and a probe gamma-direction deflection assembly; the model supporting system has four degrees of freedom and is composed of a model Z-direction lifting assembly, a model X-direction adjusting assembly, a model beta-direction yaw adjusting assembly and a model alpha-direction attack angle adjusting assembly. Telescopic heat insulation sleeves of the heat insulation cooling system are arranged on the two sides of the probe X-direction adjusting assembly in a sleeving mode, an air cooling pipeline is connected with four servo drivers of the model supporting system in series, and a follow-up heat insulation cover plate moves along with a model at the top of the model supporting system to synchronously shield an upper flow field. Deflection degree of freedom is integrally arranged on the probe scanning system, and the high-temperature anti-interference capability is improved through the arrangement of the telescopic heat insulation sleeve, the follow-up heat insulation cover plate and the air cooling pipeline, so that the multi-working-condition efficient test requirement is met.
Owner:HARBIN INST OF TECH

Servo mechanism zero automatic calibration auxiliary device

The present application relates to servo mechanism calibration technical field, and it relates to a kind of servo mechanism zero automatic calibration auxiliary device.It includes fixed component, for positioning fixed unit;Transmission assembly includes transmission unit, support unit and flexible unit;Transmission unit one end transmission connection movable unit;Transmission unit other end is connected with support unit;Support unit one end is equipped with accommodating hole;The sliding block of flexible unit and guide block are movably arranged in accommodating hole;First elastic module is equipped between sliding block and the inner side wall of accommodating hole;Second elastic module is equipped between guide block and the side wall of accommodating hole;Guide groove is equipped in the one end of guide block;The central axis of sliding block, the central axis of guide block and the central axis of transmission unit are on the same straight line;Driving assembly includes rotary head;When working state, rotary head is inserted into guide groove and the inner side wall of guide groove is abutted.Such has solved the problem that adjustment result consistency is difficult to guarantee in the zero adjustment process of existing servo mechanism using pure mechanical structure.
Owner:贵州航天控制技术有限公司

Starter rotor polishing device

The utility model discloses a starter rotor polishing device which comprises a machine box, a tool table, a moving sliding table, a rotor shaft polishing device, a rotor commutator polishing device and a rotor rotating device, and the tool table, the moving sliding table, the rotor shaft polishing device, the rotor commutator polishing device and the rotor rotating device are arranged in the machine box. The tool table transports the starter rotor to a polishing operation position through the moving sliding table. The rotor shaft grinding device and the rotor commutator grinding device enable a grinding belt to move under the control of a servo mechanism so as to grind a rotor shaft or a rotor commutator; the rotor rotating device drives the starter rotor to rotate through friction between the belt and the starter rotor. According to the circuit, synchronous polishing of the starter rotor shaft and the starter rotor commutator is achieved by arranging the rotor shaft polishing device and the rotor commutator polishing device at the same time, and the polishing uniformity of the starter rotor shaft and the starter rotor commutator is optimized through the rotor rotating device.
Owner:XIAMEN SANLI GENERAL MECHANICAL & ELECTRICAL CO LTD

High-power-density driving and energy control integrated electromechanical servo mechanism

The invention discloses a high-power-density driving and energy control integrated electromechanical servo mechanism. Control drive components are integrated into an intelligent microsystem through the SIP stacking technology, high integration and miniaturization of a control driver are achieved, and the problems of heat dissipation and heat conduction are solved by attaching the metal adapter plate to the surface of the shell. The semi-solid lithium ion battery pack is used as an energy part, the appearance of the battery pack is designed according to shell structure matching, and the total envelope size is reduced. Meanwhile, the peak current output capability of the power supply is fused with a motor acceleration control method, and the regenerative electric energy absorption capability of the power supply is fused with a motor deceleration control method; a driver direct current bus input filter capacitor and a power supply output capacitor are fused, power supply output current and voltage detection and driver bus voltage monitoring are fused, and the optimal design of energy control driving comprehensive performance is achieved.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS

A columnar product testing platform

A columnar product testing platform relates to the technical field of avionics product testing. The present invention can complete various prescribed actions required for columnar product testing, reliably fix the columnar product on the console, and has three degrees of freedom of motion: pitch, azimuth, and roll. Each degree of freedom has a locking device and an adjustment mechanism, and can move horizontally along the longitudinal axis. The columnar product can be quickly and conveniently adjusted to the required posture and position, and the relevant parameters of a certain type of columnar product can be tested. The present invention is safe, convenient, and fast to operate, and can very smoothly cooperate with the testing equipment to complete various testing tasks. It has high work efficiency and strong reliability, and meets the use requirements. The present invention has a simple structure and operation, high adjustment accuracy, small space occupation, no need for servo control, and low cost for testing columnar product testing platforms. The present invention is designed based on this demand and can complete relevant testing experiments without using computer systems or servo mechanisms.
Owner:STATE-OWNED LUOYANG DANCHENG RADIO FACTORY

Robot automatic gluing system

The utility model relates to the technical field of workshop robot gluing, and discloses an automatic robot gluing system which comprises a supporting column, a cross beam is fixedly connected to the outer wall of the supporting column, a robot servo mechanism is arranged at the bottom of the cross beam, a mechanical arm is arranged on one side of the robot servo mechanism, and a glue gun is fixedly connected to the output end of the mechanical arm. A control cabinet is arranged at the bottom of the cross beam, the conveying belt is arranged at the bottom of the supporting column, the workpiece is arranged at the top of the conveying belt, and a glue supply mechanism is arranged on one side of the control cabinet. According to the gluing robot, the 3D camera scans the to-be-glued area of the workpiece, the mechanical arm conducts gluing through the glue gun according to the track result, the gluing effect of gluing faces in different directions is achieved through one robot, the problem that the robot is difficult to guarantee gluing uniformity, especially in the areas such as corners and grooves is solved, and the gluing efficiency of the robot is improved.
Owner:SHANGHAI JIAOLIAN INTELLIGENT TECHNOLOGY DEVELOPMENT CO LTD

Active heating method and system for 2D rotary table servo mechanism

This invention provides an active heating method and system for a two-dimensional turntable servo mechanism, belonging to the field of laser communication technology. The method includes acquiring the feedback temperature and motor torque of the azimuth or pitch axis; when the motor torque is zero and the difference between the feedback temperature and the preset temperature is outside the preset temperature range, heating is performed by determining a first heating power based on the first d-axis current and the electrical control angle; when the motor torque is not zero and the difference between the feedback temperature and the preset temperature is outside the preset temperature range, heating is performed by determining a second heating power based on the second d-axis current and the q-axis current, until the temperature difference returns to the preset range and heating stops. This invention utilizes the heat generated by the motor's own current to replace external heating devices, achieving uniform heating from within, effectively reducing deformation and frictional torque fluctuations in key moving parts caused by temperature gradients, and improving the turning table's pointing accuracy and thermal stability under extreme temperature changes.
Owner:BLUE STAR OPTICAL (SHANGHAI) AEROSPACE TECH CO LTD

Combined frequency modulation method and apparatus for main steam valve and heat supply

The present invention provides a combined frequency modulation method and apparatus for a main steam valve and heat supply. Combined frequency modulation aims to further exert the advantage of relatively high thermoelectric power after flexibility improvement, on the basis of an original main steam valve regulation strategy, and to provide a primary frequency modulation capability for a power grid, by using unit thermal energy storage provided by steam extraction heat supply. Under the strategy of combining main steam valve and heat supply frequency regulation, when a frequency difference of the power grid exceeds a dead zone, a speed regulator system of a power plant obtains, through calculation, a power increment instruction, then parses the power increment instruction into valve opening degree and heat supply butterfly valve opening degree regulation amounts, and sends the instruction to the main steam valve and heat supply butterfly valve by means of an electro-hydraulic servo mechanism. The present invention further provides a dynamic simulation method for the combined frequency modulation strategy, which mainly comprises the impact of boiler dynamic heat exchange on a power increment after a main steam regulating valve is changed, the impact of a change in the opening degree of the butterfly valve on an output of a steam turbine, and simplification of a total power increase as a superposition of the two strategies. The dynamic simulation method can be used to quantitatively evaluate the primary frequency modulation capability of the combined frequency modulation strategy, to provide reference for quantitative improvement of frequency modulation optimization of a power plant and frequency safety analysis of a power grid.
Owner:HUANENG YIMIN COAL ELECTRICITY CO LTD

Flow guide component and method for natural wind diversion control of karst cave in tunnel operation period

The invention relates to a diversion component and method for karst cave natural wind diversion control in a tunnel operation period, and belongs to the technical field of tunnel construction of tunnel engineering. The invention discloses a diversion component and method for diversion control of natural wind in a karst cave in a tunnel operation period, and the diversion component comprises a T-shaped diversion air pipe which comprises a rotatable outlet section, and an inlet section, a main pipe leading-out section and a branch pipe diversion section which are communicated with the rotatable outlet section, a split butterfly valve, a left arc-shaped wind shield, a right arc-shaped wind shield and a servo mechanism used for driving the wind shields to rotate are arranged in the rotatable outlet section, and the servo mechanism drives the left arc-shaped wind shield and the right arc-shaped wind shield to rotate in the rotatable outlet section. And the communication and closing states of the rotatable outlet section, the main pipe leading-out section and the branch pipe shunting section are adjusted. The tunnel karst cave natural wind is subjected to real-time multi-stage regulation and control, the ventilation efficiency is improved, and the acquisition cost of ventilation equipment is saved.
Owner:GUIZHOU ROAD & BRIDGE GRP +1