248 results about "Stepper motor control" patented technology

The invention discloses an active-disturbance-rejection control optimization system and method for a stepping motor servo system, and relates to the technical field of stepping motor control, and the system comprises a signal processing unit which is used for carrying out the filtering processing of an input signal of the stepping motor servo system; the state observer unit is used for calculating the disturbance compensation amount; and the control algorithm unit is used for carrying out active disturbance rejection control optimization on the stepping motor servo system. According to the method, an active-disturbance-rejection control closed loop combining feed-forward compensation and feedback adjustment is effectively constructed, the control precision, robustness and dynamic performance of the stepping motor servo system are improved, and the method has industrial application prospects and technical popularization value.

The invention relates to the technical field of air purification, and discloses a control method of an air purification device, a control device, computer equipment and a storage medium, the air purification device comprises a machine body and a laser lamp assembly arranged on the machine body, the laser lamp assembly comprises a laser lamp and a driving structure capable of driving the laser lamp to move, and the driving structure comprises a stepping motor; the control method comprises the steps that parameters are set and comprise at least one of A, B and C, A represents the rotating direction of a stepping motor, B represents the rotating speed of the stepping motor, and C represents the lighting state of a laser lamp; if the cat teasing function is started, randomly selecting parameter values at intervals t, and controlling the stepping motor and the laser lamp to work according to the randomly selected parameter values. The laser lamp rotates or lights irregularly, so that the laser track projected by the laser lamp changes irregularly, and the interactive entertainment and interestingness with the pet can be enhanced.

The utility model relates to a control device for a microwave anechoic chamber test system. Comprising a shielding box which is a sealed cavity provided with a cover plate, and the shielding box is provided with a power supply socket, a data socket and an optical fiber coupler; a control circuit board, an AC-DC power supply module, a data optical fiber transceiver and other modules are installed in the shielding box. A plurality of motor control units, a power supply interface and a communication interface are integrated on the control circuit board, and a first output end of the AC-DC power supply module is connected with the control board and is used for supplying power to the control board; one end of the data optical fiber transceiver is electrically connected with the optical fiber coupler, and the other end is electrically connected with the communication interface for converting the signal into an optical signal and outputting the optical signal. The control circuit board is placed in the shielding box, so that the size of the rotary table or antenna tower equipment is reduced, and the electromagnetic interference risk of a motor and a darkroom environment is reduced; the control circuit board integrates the servo motor control unit and the stepping motor control unit for modular design, serves as an independent unit of the darkroom test system, and is high in universality.

The utility model relates to an H-bridge driving circuit with a discharge branch and a chip, and belongs to the field of motor driving. The driving circuit comprises a driving chip module, a switch control module and a switch misconduction protection module. The switch control module is composed of a triode and MOS tube combined control circuit, it is ensured that grid charges can be rapidly discharged when the IGBT is turned off, and misconduction is prevented. The misconduction protection module enhances the charge discharge capability by providing a low-impedance path, ensures the accurate turn-off of the IGBT, and avoids the influence of surge voltage. The circuit realizes reliability and quick response performance in forward and reverse control and high-frequency switch application of the motor, and is suitable for direct-current motor control, stepping motor control, direct-current-alternating-current converters, direct-current-direct-current converters and other power electronic devices. Through the design, the stability and the safety of the motor control system are effectively improved.

The invention relates to the technical field of railway locomotive lighting, in particular to an automatic steering LED headlamp for a railway locomotive, and can solve the problem that a curve view blind area is caused by fixed installation of an existing headlamp to a certain extent. According to the headlamp, a rotating platform and a stepping motor are additionally arranged at the bottom of the LED headlamp, a control device collects the line turning radius and speed information of a train LKJ device in real time, a steering control instruction is generated through an intelligent algorithm, a motor driver receives the instruction and drives the stepping motor to drive the rotating platform to rotate, and the headlamp is driven to conduct steering adjustment of 0-360 degrees. The system is provided with a zero reset function, the initial irradiation angle is automatically recovered after turning is finished, the view blind area of the curve can be effectively eliminated, the driving safety is improved, meanwhile, the installation and debugging difficulty is reduced, and the system is suitable for the complex mountain railway working condition.

The invention discloses an artificial intelligence-based surface performance detection device for a ship steel plate after laser processing, and relates to the technical field of detection devices, the artificial intelligence-based surface performance detection device comprises an outer shell, a marking mechanism, a walking device, a detection mechanism and a cleaning mechanism; the device is reasonable and simple in structure, low in production cost and convenient to install, the whole device can be pushed to move on the surface of the ship steel plate through operation of the walking device, and continuous cleaning and detection are achieved; all parts of the cleaning mechanism work cooperatively, a motor drives a cleaning roller to rotate for cleaning, an air blower blows away dust and chippings, and a dust collector sucks away impurities, so that the accuracy of subsequent detection is effectively improved; a servo motor or a stepping motor is arranged to control the moving distance and speed of the walking device, and the operation accuracy of the device is guaranteed; the motor is used for driving the movable seat in the detection mechanism to rotate, and the camera and the illuminating lamp are matched to obtain clear image information and transmit the image information to the artificial intelligence analysis system for analyzing the surface performance of the ship steel plate.

A control circuit of a timepiece motor (2), including a bipolar permanent magnet (6), a stator (4) defining two isthmi (12a &12b) and two rest positions for the rotor, and a coil (18) mounted on the stator. The control circuit can determine the position of the rotor at rest. An electric pulse generator (22) for detecting an external magnetic field formed by a circuits for: measuring the electrical current in the coil after an electrical pulse has been triggered, comparing the measured electrical current with a reference current, measuring the time allowing measuring a rise time between triggering of the electrical pulse and the next time the electrical current flowing in the coil reaches the reference current, and processing the rise time to be able to determine whether the measured rise time indicates the presence of a given external magnetic field passing through the two isthmi.

An apparatus and method for measuring a pressure profile of a gas inside a nozzle is provided. An apparatus (101) comprises:-a gas supply (103); -a proportional valve and a flow meter (105), which are connected to the gas supply (103); -a rotatable and movable measurement probe (107), which is connected to the pressure sensor (108); -a nozzle holder (109); -a stepping motor (111) which controls the displacement and rotation of the rotatable and movable measuring probe (107); a digital controller for controlling the stepping motor and the gas flow; data acquisition means; and a computer. The probe is measuring the pressure inside the nozzle, and the apparatus generates a 3D map of the pressure profile of the gas inside the nozzle.

The invention discloses a two-phase hybrid stepping motor control method and a corresponding motor control system. The method comprises the steps that according to expected displacement, starting point speed, terminal point speed, first acceleration and first deceleration, the maximum planning speed needing to be reached by displacement operation is planned and calculated, the moving trajectory of a stepping motor is planned, and the planned moving trajectory comprises an acceleration section trajectory and a deceleration section trajectory; according to the acceleration trajectory, controlling the stepping motor to accelerate from the starting point speed to the maximum planned speed at the first acceleration; and according to the deceleration section track, controlling the stepping motor to decelerate from the maximum planned speed to the end point speed at the first deceleration. According to the invention, acceleration and deceleration trajectory planning is carried out on the motion trajectory of the stepping motor according to the expected displacement, and motor operation control is carried out based on the acceleration and deceleration trajectory planning, thereby ensuring that the stepping motor rapidly and stably realizes accurate displacement under high-speed operation in the operation process.

The invention belongs to the technical field of experimental devices, and provides a basic local scouring real-time monitoring test device based on an acoustic principle, which comprises a glass fiber column, a sand surface, an acoustic detector, a rotating mechanical device and a programming stepping motor. The lower portion of the glass fiber column is buried under the sand surface and is perpendicular to the sand surface, the acoustic detector is fixed through a C-shaped semi-opening buckle of the mechanical rotating device, the mechanical device is connected with a bent rod through a sleeve, a bearing, a U-shaped piece and an I-shaped rod, and a stepping motor controls the rotating angle and speed of the device. According to the acoustic detection principle, the dynamic process of basic local scouring can be monitored in real time, and high precision, high sensitivity and high environmental adaptability are achieved. And in combination with a deep learning technology, scouring data fusion and rapid prediction can be realized, an intelligent solution is provided for bridge foundation scouring monitoring, and intelligent development of an infrastructure monitoring technology is promoted.

The invention relates to the technical field of pressure control, and discloses a pressure control method, system and equipment for a vacuum butterfly valve and a storage medium, and the method comprises the steps: obtaining a pressure control error signal and an error change rate according to the internal pressure of a cavity and a preset target pressure; determining a calculation result of the composite controller based on the pressure control error signal and the error change rate; inputting a calculation result of the composite controller into a smooth switching function, calculating a mixed output quantity, and searching an optimal smooth factor and an error switching threshold value of the smooth switching function in a current environment through a particle swarm optimization algorithm; performing nonlinear compensation on the mixed output quantity of the composite controller by adopting a compensation function, converting the control quantity subjected to nonlinear compensation into the rotation step number of a stepping motor through motor driving, and controlling the rotation angle of the butterfly valve by adopting the stepping motor; the control precision and the dynamic performance are improved.

This application discloses an exoskeleton position prediction and closed-loop stepper control system and method. The microcontroller unit completes the functions of electromyography (EMG) signal acquisition, neural network inference, pulse generation, and closed-loop correction. The EMG signal acquisition unit acquires surface EMG signals, performs preprocessing and feature extraction, and outputs digital EMG features. The motor position feedback unit acquires the absolute position and velocity information of the closed-loop stepper motor in real time. The neural network operation unit concatenates the digital EMG features and the absolute position and velocity information of the closed-loop stepper motor into a multi-dimensional input vector to predict the three-dimensional spatial position increment of the exoskeleton at the next moment. The dual closed-loop control unit converts the predicted value of the three-dimensional spatial position increment into stepper motor control commands and performs closed-loop correction in combination with the real-time position of the motor. Zero-delay tracking control is achieved through a predictive-execution parallel pipeline, realizing high-precision, low-delay tracking of exoskeleton movement and achieving high system integration and lightweight design.

According to the technical scheme, the automatic grading equipment suitable for the poultry comprises a support assembly, the support assembly comprises a plurality of sectional materials, movable hinges and three-way connecting pieces, the sectional materials are fixedly connected through the three-way connecting pieces to form a support body, the heights of the two sides of the support body are different, and the movable hinges are arranged on the movable hinges. The end face of the vertically-placed section bar and the groove face of the horizontally-placed section bar are connected through a plurality of movable hinges at the lower end of the support body, an inclined bottom plate is fixed to the section bar, and a first side plate and a second side plate which are close to the poultry inlet are arranged on the two sides in the section bar respectively. A first sliding way and a second sliding way are fixed to the two outer ends of the side, close to the poultry outlet, of the sectional material respectively, and an adjusting mechanism used for opening and closing the downward-sliding channel is further arranged on the side, close to the poultry outlet, of the sectional material. The baffle is controlled by the stepping motor to rotate by a certain angle, poultry channels of corresponding types are opened, the downward sliding direction of poultry is changed, and it is ensured that the poultry smoothly enters the correct level to complete grading work.

Embodiments described herein relate to an apparatus that includes a stepper motor, a driver chip communicatively coupled to the stepper motor, an encoder communicatively coupled to the stepper motor, and a feedback controller communicatively coupled to the driver chip and the encoder. In an embodiment, the feedback controller includes a state space plant configured to receive a control signal and generate a vector including a position and velocity of the stepper motor. In an embodiment, the feedback controller further includes a pulse width modulation (PWM) converter configured to receive the vector and output a first PWM signal corresponding to a number of steps to drive the stepper motor and a second PWM signal corresponding to a direction of the number of steps of the stepper motor. In an embodiment, the feedback controller further includes a Luenberger observer configured to receive a feedback signal from the encoder.

The invention discloses a multi-path stepping motor control device and method, and relates to the field of motor control, and the device comprises a microcontroller and an FPGA chip. The microcontroller is connected with the FPGA chip; the microcontroller is used for checking whether multi-path trapezoidal acceleration and deceleration curve parameters which are input by a user and represent the motion of the stepping motor accord with the motion characteristics of the stepping motor; if the trapezoidal acceleration and deceleration curve parameters do not conform to the motion characteristics of the stepping motor, the trapezoidal acceleration and deceleration curve parameters are corrected and serve as final trapezoidal acceleration and deceleration curve parameters; if the motion characteristics of the stepping motor are met, the parameters of the trapezoidal acceleration and deceleration curve are kept unchanged and serve as final parameters of the trapezoidal acceleration and deceleration curve; the final trapezoidal acceleration and deceleration curve parameters are sent to the FPGA chip; the FPGA chip is used for generating multiple paths of pulse signals in parallel according to the final trapezoidal acceleration and deceleration curve parameters so as to drive multiple paths of stepping motors, and motor control which is simple, feasible, high in real-time performance, more efficient and low in cost is achieved.

The invention discloses a gas specific heat ratio measuring device and a gas specific heat ratio measuring method, particularly relates to the technical field of gas specific heat ratio measurement, and solves the technical problems of low measuring precision, inconvenience in operation, poor safety and narrow application range of a traditional gas specific heat ratio measuring experimental device in the prior art. According to the technical scheme, an air pressure sensor measures changes of air pressure and temperature in a bottle, and data can be displayed in real time by being connected with a computer; by optimizing sensor design and a signal processing algorithm, the measuring device can respond to air temperature and pressure changes more quickly; the stepping motor is used for controlling opening and closing of the piston, and errors caused by human factors are reduced; the change of the air specific heat ratio at different temperatures can be explored by changing the temperature; according to the invention, intelligent and automatic measurement is realized, errors caused by manual operation are reduced, and data change visualization in the whole experiment process is provided, so that students can intuitively analyze the change of each physical quantity.

The utility model discloses an automatic punching platform, and relates to the technical field of furniture manufacturing equipment, the automatic punching platform comprises a conveying rack, a transmission roller used for conveying a plate to be punched is arranged on the conveying rack, and the left edge and the right edge of the upper surface of the conveying rack are respectively and fixedly provided with a baffle; a sliding table is arranged on one side of the conveying frame, a sliding seat is installed on the sliding table, a stepping motor is fixedly installed on the sliding seat, and a drill bit used for drilling a hole in a to-be-drilled plate is fixedly installed at the output end of the stepping motor; a cantilever beam is fixedly installed on the other side of the conveying frame, and the upper end of the cantilever beam extends to the position above the conveying frame and is fixedly provided with a clamping oil cylinder used for clamping a to-be-perforated plate. The automatic punching machine has the beneficial effects that through cooperative work of the stepping motor, the PLC control system and the infrared distance sensing device, precise positioning and efficient punching operation of a plate are achieved, the production efficiency and the punching precision are remarkably improved, and the safety risk of manual operation is reduced.

The invention discloses a concrete beam quick release mold and a using method thereof, and belongs to the technical field of concrete beam molds, the concrete beam quick release mold comprises a bottom plate, a supporting plate, a first mold assembly and a second mold assembly, the supporting plate is fixedly mounted in the middle of the top end of the bottom plate, and a bottom mold plate is fixedly mounted at the top end of the supporting plate; first supports are fixedly mounted on the outer walls of the left side and the right side of the supporting plate correspondingly, and a first mold assembly is mounted on each first support. Second supports are fixedly installed on the outer walls of the front side and the rear side of the supporting plate correspondingly, and a second mold assembly is installed on each set of second supports. A servo stepping motor is started to control a worm to rotate, a worm gear meshed with the worm can drive a mounting shaft, a second bevel gear, a second transverse shaft and a second side formwork to rotate and open, the two first side formworks and the two second side formworks are controlled to synchronously rotate to be in a horizontal state, rapid demolding of a formed concrete beam is facilitated, disassembly is rapid, and the efficiency is high. The use is convenient, and the production and manufacturing efficiency of concrete beams can be improved.

The invention consists of controlling the direction and opening of a hydraulic distributor with a stepper motor acting on it via a reversible transmission. This economical and reliable solution allows for precise positioning of the distributor spool during normal operation, and a return to the neutral position under the action of the return spring(s) in the event of a power failure. Figure 8 (for the abstract)

The invention discloses a fogdrop deposition sensor which comprises a base, an upper polar plate, a lower polar plate, a horizontal movement device, a stepping motor, a controller, a first supporting frame, a second supporting frame and a fogdrop shielding plate. The upper polar plate is fixedly connected with the horizontal movement device; the first support frame and the second support frame are fixed on the base; the sensor disclosed by the invention has the advantages of good linear relationship between the output voltage variation and the fog drop deposition amount and small measurement error.

Provided is a stepping motor control device that prevents a terminal voltage of a battery from decreasing even when a plurality of motors are driven simultaneously at a high speed. The stepping motor control device includes: a control unit configured to control a driving unit that drives a plurality of motors including a first motor driven at a prescribed driving cycle, and a second motor driven at a driving cycle that is the same as or an integral multiple of the driving cycle of the first motor to drive the motors by outputting a driving pulse; and a storage unit configured to store a width of the first driving pulse and a width of the second driving pulse. When a sum of a pulse width of the first driving pulse and a pulse width of the second driving pulse is longer than the driving cycle of the first motor, in the driving cycle of the first motor, a part of the first driving pulse and at least a part of the second driving pulse are simultaneously output, and a pause period is provided, in which neither the first driving pulse nor the second driving pulse is output after the first driving pulse and the second driving pulse are output and before a start timing of a next driving cycle of the first motor.

The utility model relates to the technical field of motors, and particularly discloses a motor based on a Hall sensor and a trigger, which is rigorous and scientific in design, reasonable in hardware structure and configuration and simple in circuit, saves I / O (Input / Output) port resources of an MCU (Microprogrammed Control Unit), and comprises the MCU, a stepping motor, a stepping motor controller and the Hall sensor. A Hall sensor is arranged in a transmission mechanism of the stepping motor, the MCU is in circuit connection with the stepping motor controller, the stepping motor controller is in circuit connection with the stepping motor, the stepping motor is in electric signal connection with the Hall sensor, the Hall sensor is connected with the MCU, and the MCU is connected with the MCU. A corresponding method is adopted to effectively control the motor in real time, the failure rate is low, the function is safe and reliable, and the working efficiency is high.

The present application relates to soil erosion monitoring technology, and is a soil erosion quantitative monitoring device and method for production construction projects. The device comprises a controller, a main support and a foot cup fixing frame. The main support comprises a top support, a vertical support and a "H" shaped support, which is installed on a ditch or a channel through the "H" shaped support and the foot cup fixing frame. The top support is connected to the upper part of the vertical support. The vertical support is slotted to form a wire track, and a lead screw is arranged on the wire track. A stepper motor and a front fixed plate are installed on the upper part of the lead screw, and a sliding block is installed on the lead screw. A motor support is fixed on the sliding block, and a deceleration stepper motor is fixed on the motor support. A suspension rod is hung on the motor support, and a turbidity sensor is installed on the rod. The controller controls the suspension height of the rod through the stepper motor, and controls the rotation of the rod through the deceleration stepper motor when there is an obstacle in the channel where the monitoring device works. The present application is suitable for different sizes of drainage channels, and improves the efficiency and accuracy of soil erosion quantitative monitoring of production construction projects.

The utility model discloses a dynamic down waterproof performance display device which comprises an upper box body, a display cylinder and a lower box body, the display cylinder is fixed between the upper box body and the lower box body, the display cylinder comprises a display cylinder inner box, a fixing frame, at least two display containers, a clamp and a control device, the display cylinder inner box is arranged on the back face of the fixing frame, and the display containers are arranged in the display cylinder inner box. The control device is arranged in the display cylinder inner box, the display container is clamped by a clamp, the control device comprises a worm gear reducer, a controller and a stepping motor, and the controller is used for controlling the stepping motor; the worm gear reducer is driven by the stepping motor to rotate the clamp, so that the display container rotates or swings, the down feather in the container is further mixed with water, full contact between the down feather and the water is simulated, and the waterproof performance of the down feather is displayed. The utility model provides an electrically-driven display device which is convenient to use and obvious in display effect so as to improve the waterproof performance display effect of down feather and is convenient to operate and use.

The invention relates to the technical field of animal self-administration, and discloses an animal self-administration method and device, animal self-administration equipment and a storage medium, and the method comprises the following steps: obtaining posture data of a target object in an activity area of the self-administration equipment; performing data comparative analysis on the attitude data and the historical attitude data to obtain attitude change data, determining a rotation angle and a rotation direction of a stepping motor based on the attitude change data, and generating an angle adjustment signal; based on the angle adjustment signal, the rotation angle, the rotation direction and the stepping motor, the converter is controlled to rotate synchronously so as to drive the drug delivery hose and the data transmission line which are connected with the converter to rotate, the converter can be controlled to rotate synchronously through the posture data of the target object, and therefore the drug delivery hose and the data transmission line which are connected with the converter are rotated. And the winding of the administration hose and the data transmission line caused by the movement of the target object is prevented.

The invention discloses a stepping motor control system and a liquid flow rate automatic regulation and control system, and the control system comprises a main power supply control unit which has an active power supply management function, is equipped with an independent auxiliary power supply, and has a signal monitoring function in a standby stage of the system; when the main power supply control unit detects an effective control signal, the main power supply is switched on, and a switch is triggered to act in advance for preset time so as to compensate mechanical delay; the power supply unit is connected with a power grid through the main power supply control unit and provides a power supply for subsequent units; the electric pulse generation unit is used for generating a modulatable stepping control pulse signal; and the stepping motor driving board unit is used for converting the stepping control pulse signal and driving the stepping motor to rotate, so that the main body of the stepping motor outputs torque. According to the control system provided by the invention, the stepping motor driving unit and the intelligent power supply management module are creatively integrated, and accurate time sequence cooperation of the electromechanical system is realized through a cooperative regulation and control mechanism.

The utility model relates to the field of metallurgical machinery automation, in particular to an automatic feeding device of a steel coil uncoiler, which comprises an uncoiler, a rotating plate and the like, a feeding trolley is slidably connected to the front end of the uncoiler, an electric push rod is mounted in the middle of the feeding trolley, a piston rod of the electric push rod is connected with a fixed seat, and a stepping motor is mounted on the right side of the fixed seat. An output shaft of the stepping motor penetrates through the fixing base, one end of the rotating plate is connected with the output shaft of the stepping motor, the other end of the rotating plate is connected with a triangular plate, pressure sensors are installed on slopes on the two sides of the triangular plate and are in extrusion fit with the hollow outer ring of the steel coil, and a limiting assembly used for pushing the steel coil to move towards the middle is arranged in the middle of the feeding trolley. The electric push rod drives the fixing base to move front and back, the rotating plate is controlled by the stepping motor to rotate, the pressure sensor on the triangular plate can accurately detect the position of the inner wall of the steel coil, and automatic centering and positioning of the steel coil are achieved through meshing transmission of the double-end gear rod, the first rack and the second rack.

This utility model belongs to the field of sewing machine technology, specifically relating to a motor-driven mechanism for a switcher oscillation and a sewing machine. It uses a stepper motor to control the setting of the oscillation angle and interaction value of the switcher in the inner and outer presser foot interaction mechanism, cooperating with a control system to achieve digital management of the interaction. This utility model includes a stepper motor, which drives a cam-linkage mechanism to cause the switcher to reciprocate. The switcher drives a presser foot interaction adjustment mechanism to achieve the height difference between the alternating lifting and lowering of the outer and inner presser feet. The cam-linkage mechanism includes a cam, driven by a stepper motor. A rectangular block is provided on the side of the cam link, and the working surface of the cam mates with the F-surface of the rectangular block, allowing precise control of the cam link's movement trajectory. A through hole is provided on the connecting lug, and a crank is connected to the through hole via a connecting pin. The cam link drives the crank to reciprocate.

The present application relates to a kind of infrared optical transfer function measuring instrument target wheel switching positioning device and method, wherein there are nested rotary mechanism, V-shaped groove elastic positioning structure, photoelectric switch and the target wheel component of step motor combination control, realize target and filter accurate switching, positioning function;The switching positioning device is applied to the target wheel in the target generator of infrared optical transfer function measuring instrument, and the rotation switching and accurate positioning of target and filter therein are realized, and switching positioning device includes support, rotation switching mechanism, positioning mechanism and control circuit module, the support is integrated structure support, and the rotation switching mechanism and positioning mechanism in it are all assembled in the positioning structure of support.The target wheel switching positioning device of the present application adopts photoelectric light and step motor control mode, and combines nested rotary mechanism and V-shaped groove elastic positioning structure simultaneously, to ensure the high-precision electrical control of the structure of target and filter in the process of rotation switching.

The invention discloses an electric control microscope micro-motion loading platform and an intelligent microscopic examination system and method thereof. Comprising an electric control microscope micro-motion objective table used for replacing an original manual objective table of a microscope in situ, an automatic focusing camera installed at the position of an original microscope eyepiece, and an electric control module used for controlling the electric control microscope micro-motion objective table. The electric control module comprises a GRBL control panel and a stepping motor driver. The beneficial effects of the invention are that the electric control microscope micro-motion objective table is a two-dimensional electric control objective table, and the slide bearing a to-be-observed target is controlled to move accurately on an XY plane through the two stepping motors which are perpendicular to each other; in addition, the uneven target is focused through the automatic focusing camera in the Z-axis direction, a clear image can be obtained for quality evaluation of the observation target, and therefore the problems that in the prior art, the observation target is subjected to full-range automatic scanning photographing and defocusing in the photographing process, and an electric control microscope micro-motion platform is high in price can be solved.