54results about How to "Optimal control method" patented technology

The invention discloses a method for detecting the hydrazine content in a medicine containing carbidopa. The invention provides a method for detecting hydrazine content in a medicine containing carbidopa, which comprises the following steps: (1) mixing a sample to be detected and an aldehyde substance in a solvent under the action of acid, deriving hydrazine in the sample to be detected and the aldehyde substance to obtain a test solution, and (2) detecting the content of hydrazine in the test solution. Compared with the prior art, the method has the advantages that the carbidopa does not need to be removed through pretreatment, hydrazine introduced in the determination process can be ignored, operation is simple, derivatization time and sample injection time do not need to be accurately controlled, repeatability is good, and quantification is accurate.

The invention belongs to the field of network security, and discloses a defense method for zero dynamic attacks of a wind power generation system, which comprises the following steps: constructing a mathematical model of the wind power generation system; a gain scheduling PI controller and electronic adjustable passive elements are introduced into the wind power generation system, and the electronic adjustable passive elements are a controllable inductance module and a controllable capacitance module and are used for adjusting inductance and capacitance of the system; designing a zero-dynamic attack signal, injecting the zero-dynamic attack signal into the system, and analyzing destructive factors of the zero-dynamic attack; defending the designed zero-dynamic attack signal, dynamically adjusting and optimizing the parameter value of the element adjustment coefficient so as to adjust the inductance and capacitance, converting an unstable zero point into a stable zero point, weakening the destructiveness of the zero-dynamic attack, and realizing defending. According to the method, the system can keep stable operation in a complex environment, the dependence limitation in the prior art is overcome, and the defense robustness is enhanced.

The invention discloses an auxiliary device for armless disabled people, and relates to the technical field of brain-computer interfaces. In order to solve the problems that in the prior art, an invasive type and a semi-invasive type of existing wearable auxiliary devices for providing life assistance for people with upper limb disability need surgical operation, electrodes are implanted into the cerebral cortex, but the surgical risk is large, complications such as infection and bleeding are possibly caused, and long-term maintenance is needed after implantation; in order to solve the technical problems that a non-invasive interbrain interface is relatively small in risk, convenient to use, simple to operate, low in cost and relatively low in control precision, the technical scheme provided by the invention is as follows: the auxiliary system for the armless disabled person comprises a brain signal acquisition module for acquiring an electroencephalogram signal of a user in a non-invasive manner; the visual control module is used for collecting target object positioning information; and the main control module is used for generating grabbing action group signals according to the signals acquired by the brain signal acquisition module and the visual control module. The auxiliary grabbing device is suitable for being applied to auxiliary grabbing work of the arm-free handicapped.

The invention discloses multistage sewage treatment equipment and a treatment process thereof, and relates to the technical field of sewage treatment.The top of a treatment tank is fixedly provided with a fixed circular plate, the inner side of the top end of the fixed circular plate is fixedly provided with an inner interception grid plate, and the middle of the top end of the fixed circular plate is fixedly provided with an outer interception grid plate; the water pump is used for continuously pumping water in the treatment tank, the top end of the treatment tank is lower than the liquid level of the sewage pool, then the water in the sewage pool continuously enters the treatment tank, the outer interception grid plate and the inner interception grid plate are used for sequentially intercepting and filtering sewage flowing into the treatment tank, and the sewage treatment efficiency is improved. According to the sewage treatment tank, floating garbage mixed in a sewage pool is intercepted according to the size, meanwhile, a coarse filter plate and a fine filter plate are arranged in the treatment tank, the intercepted and filtered sewage is further finely filtered, multi-polarization sewage mixed garbage treatment is achieved according to flowing of the sewage, and the treatment efficiency is higher.

The COB lamp strip capable of reducing the light-emitting dark area comprises an FPC circuit board, a bonding pad is welded on the FPC circuit board, a plurality of light-emitting chips are welded on the bonding pad in the linear direction of the bonding pad, the light-emitting chips are covered with fluorescent colloid, the fluorescent colloid is of a spherical protruding structure, and the light-emitting dark area is smaller than the light-emitting dark area. The radius of an arc on the outer side of the fluorescent colloid is 1.2-1.8 mm, and the height of the fluorescent colloid is 1.1-1.5 mm. Compared with the prior art, according to the COB lamp strip capable of reducing the light-emitting dark areas, the COB light source is directly welded to the surface of the flexible circuit board, and the outer side of the light-emitting chip is covered with the layer of arc-shaped fluorescent colloid of the spherical structure; the light-emitting chips are arranged on the lamp strip and matched with the fluorescent colloid, so that the brightness of light emitted by the light-emitting chips is higher, the diffusion effect along the arc face of the colloid is better, the range of the light-emitting angle is enlarged, the overall lighting effect of the lamp strip is improved, and the dark space problem of the lamp strip is solved; and the glue consumption can be saved, and the overall production and manufacturing cost is reduced.

The invention discloses a thread pair piezoelectric motor, and relates to the technical field of piezoelectric motors. The motor comprises a stator, a rotating part and an output shaft, the stator is in threaded connection with the output shaft through the threaded hole; the stator is provided with a plurality of first sinking grooves and a plurality of second sinking grooves which are uniformly distributed along the circumference of the threaded hole, and piezoelectric stacks are mounted in the second sinking grooves; the rotating part is provided with a threaded through hole matched with the output shaft and connected with a connecting column and a fixing column. The connecting column is connected with the side face of the first sinking groove through a flexible hinge. The fixed column is connected with the piezoelectric stack, and the output shaft can axially move by applying a sawtooth wave excitation signal to the piezoelectric stack and utilizing the rotation of the rotating part. According to the piezoelectric motor, the flexible hinge for connecting the stator and the rotating part and the piezoelectric stack are arranged in the first sinking groove and the second sinking groove respectively, the sawtooth wave excitation signal is applied to the piezoelectric stack, the rotating part rotates, axial movement of the output shaft is achieved, and the problems that an existing piezoelectric motor is large in size and complex in control are solved.

The invention discloses a virtual character control method and device, a storage medium and electronic equipment. The method comprises the steps that a target virtual scene is displayed, the target virtual scene comprises a first virtual character pre-configured with a first card object and a second card object, and in response to a first calling operation, the first virtual character is controlled to call a first calling object, the first calling object is set to be allowed to respond to a target interaction operation so as to execute a target operation corresponding to the target interaction operation, the target interaction operation represents an interaction operation for controlling the first virtual role to aim at the second virtual role, and the first virtual role is controlled to call the second calling object in response to the second calling operation. And the second calling object automatically executes confrontation interaction with the second virtual character after being called. According to the method and the device, the technical problem that more diversified operations cannot be displayed through relatively simple interaction due to a single control mode of a virtual character in related technologies is solved.

The invention discloses a real-time prediction and control method and system for the deformation state of a superplastic forming part based on digital twinning, and belongs to the technical field of intelligent manufacturing. The method aims at solving the technical problems that in the superplastic forming process, the deformation state of a part is invisible, control depends on experience, and quality is unstable due to open-loop control. The core lies in that a multi-task learning artificial intelligence prediction model taking air inflow time sequence data as input and taking pressure in a mold cavity and a part full-field deformation state as output is constructed by fusing parameterized finite element simulation and physical experiment data in an offline stage; in the online stage, the model is utilized to dynamically predict deformation states such as a strain field and a thickness field in the part according to air inflow data collected in real time, and process transparency is achieved; and a model prediction control algorithm is further combined, a prediction state is compared with an ideal path, the air inlet pressure is reversely optimized and adjusted in real time, and a closed-loop intelligent control system is formed. According to the method, perspective and active accurate control of the internal state in the black box forming process are achieved, and the quality consistency and the yield of parts can be improved.

The invention provides a flexible circuit board assembly method and system based on multi-camera visual field visual servo, and the method comprises the steps: positioning a flexible circuit board through a first camera, obtaining a first outer contour feature of a backboard, and grabbing the backboard according to the first outer contour feature; and positioning the flexible circuit board through the second camera to obtain a second outer contour feature of the backboard and a circuit feature of the interface, and mapping the position of the circuit feature to a visual angle of the first camera according to a corresponding relation between the first outer contour feature and the second outer contour feature and a position relation between the second outer contour feature and the circuit feature. A visual identification characteristic value is obtained; and filtering the visual identification characteristic value by combining particle filtering and Kalman filtering, and assembling the flexible circuit board by combining the filtered characteristic value. According to the invention, the visual servo technology under the multi-camera visual field is used to accurately identify the flexible circuit board, and the problem that the camera cannot directly obtain the characteristics of the circuit board due to the fact that the visual field is shielded in the assembly process is solved.

The utility model discloses a liquid drive gate drive arrangement for regulating and storing pool, including hydraulic oil cylinder support, hydraulic oil cylinder and crossbeam support, the lower extreme of hydraulic oil cylinder support is connected with the pool wall of regulating and storing pool fixed, the fixed end of hydraulic oil cylinder is connected with the upper end of hydraulic oil cylinder support, and the movable end of hydraulic oil cylinder is connected with the upper end of crossbeam support, the lower extreme of crossbeam support is connected with liquid drive gate through a plurality of adjusting bolt. The utility model reduces equipment failure rate, fundamentally solves the problem that the gate cannot normally open and close after the push rod of two side hydraulic cylinders is out of step, and guarantees normal production operation.

The invention discloses a novel rice seedling raising tray and a manufacturing method thereof.The manufacturing method comprises the following steps that S1, material preparation is conducted, stack-shaped blanks are taken and placed on a movable long plate located at the top of a rack, and the number of the stack-shaped blanks is the same as that of storage frames. The left winding shaft and the right winding shaft are driven to rotate, then the movable long plate is pulled to advance towards the two sides, the corresponding storage frames are pushed to the position below the slicing cutter for slicing treatment, the multiple storage frames are used, feeding and discharging can be conducted at the same time, and feeding and discharging can be conducted on the two sides of the slicing cutter. A worker takes down a cut sheet blank, places the blank needing to be cut into the storage frame, when the long moving plate moves forwards in the reverse direction, the placed blank can be pulled to the position below the slicing cutter to be cut, feeding and discharging are conducted in the two directions, operation switching is conducted according to the moving direction, and the working efficiency is effectively improved.

The invention discloses a steel slag permeable concrete road slab preparation device, method and road slab thereof, and relates to the technical field of concrete preparation, comprising a base, a mounting frame is fixedly installed on the top of the base, a hydraulic telescopic rod is equidistantly fixedly installed on the bottom of the top of the mounting frame, the bottom ends of the hydraulic telescopic rods are fixedly connected with shaping pressing plates, and a flipping and unloading mechanism is arranged in the middle of the top of the base. The invention utilizes a rotating motor to drive the rotating rod to rotate continuously, so that the incomplete gear and the rotating gear are intermittently meshed, and the rotating mold is driven to flip on the supporting frame, so that the concrete slab formed inside the rotating mold can be easily unloaded, and the unloading method is simple, which provides great convenience for the staff to take out the formed concrete slab, and the positioning block at one end of the rotating gear is limited by the embedded block, so that the rotating gear and the rotating mold are kept stable during pressurization and shaping, and the shaking and deflection of the rotating mold are prevented, which causes the concrete to be unable to be normally pressurized and shaped.

The utility model discloses a manual control type electric control device which comprises a device body and a control button arranged at the top of the device body, a protective cover used for protecting the control button is rotatably installed on the upper surface of the device body, a matching assembly part is detachably installed at the bottom of the device body, and a clamping socket is formed in the bottom of the matching assembly part. A jacking stud is installed on one side of the matched assembly part in a penetrating mode, and when the matched assembly part is assembled to a support of mechanical equipment to be controlled, the matched assembly part is fixed through the jacking stud in an auxiliary mode. The control device can provide an additional control structure for the control of mechanical equipment, the bottom of the device main body is detachably provided with the matching assembly part, and the matching assembly part can be replaced and adjusted according to the specific installation position structure of a mechanical equipment support. Therefore, the installation applicability of the device is higher.

The application discloses a parallel RCM mechanism end effector for orthopedic surgery, which comprises two motors, three movement units, a double parallelogram linkage mechanism and a ball mill. The two motor axes are perpendicular and are installed on a base. The motor A is hingedly connected to the bottom end of the first movement unit; the motor B is hingedly connected to the bottom end of the second movement unit; the third movement unit is symmetrically arranged with the second movement unit and is hingedly connected to the base at the bottom end. The upper rod end of the double parallelogram linkage mechanism is hingedly connected to the top end of the second and third movement units through a rotating shaft; the lower rod end is hingedly connected to the three movement units through a rotating shaft. The upper rod and the lower rod are rotationally connected to the ball mill at the front ends. The double parallelogram linkage mechanism is used to make the center of the ball mill head coincide with the fixed point of the RCM mechanism, and the mechanism characteristic of the fixed point of the RCM mechanism is utilized. The fixed point is made to coincide with the ball center of the ball mill head, so that the position of the ball mill head is unchanged when the posture of the ball mill is changed, the posture of the ball mill does not affect the grinding process in the grinding process, the posture of the ball mill can be adjusted, the obstacle avoidance can be better realized, and the safety is improved.

The application relates to the technical field of intelligent vehicle control, and discloses a semi-active suspension control method, device and equipment, the method comprising the following steps: acquiring current state information of a vehicle suspension system, including sprung mass displacement, sprung mass speed, tire displacement, tire speed and current road excitation; based on a historical road excitation buffer queue, generating a road excitation prediction result in parallel through a first prediction channel and a second prediction channel, and performing weighted fusion on the road excitation prediction result to obtain a fused road excitation prediction sequence; based on the current state information and the fused road excitation prediction sequence, solving a quadratic programming optimization problem through model predictive control to obtain an optimal damping coefficient sequence. The application can improve the road excitation prediction accuracy under complex road conditions, enhance the numerical stability of QP solving, realize intelligent damping adjustment, and thus improve the driving smoothness and control stability of the vehicle.

This utility model provides a cleaning device for car door handles and a vehicle, relating to the field of vehicle cleaning technology. The cleaning device for car door handles includes: at least one nozzle structure, at least one delivery channel, and a medium pressurizing structure. The medium pressurizing structure pressurizes the cleaning medium and inputs the pressurized cleaning medium into the delivery channel. The first end of the gradually expanding cavity of the nozzle structure is connected to the delivery channel, which inputs the cleaning medium into the gradually expanding cavity through the first end. The second end of the gradually expanding cavity is the outlet end of the cleaning medium, and the diameter of the first end of the gradually expanding cavity is smaller than the diameter of the second end. The extension line of the direction in which the cleaning medium is ejected from the outlet end is parallel or nearly parallel to the outer surface of the car door handle. The cleaning medium ejected through the outlet end is a planar fluid that cleans the outer surface of the car door handle. This solution improves the cleaning efficiency of the outer surface of the car door handle, and the control and cleaning methods are simple and easy to operate.

A PB15 inlet cigarette pack channel fast switching device and method, device: the conversion channel is connected to the inlet cigarette pack conveyor belt and the auxiliary conveyor belt or the main conveyor belt under the control of the conversion cylinder; the core controller is respectively connected to the PB15 cigarette pack storage, the blocking trigger detector, the conversion position detector, the blocking position detector, the upstream machine speed signal, the conversion electromagnetic reversing valve, the blocking electromagnetic reversing valve, the PARKER servo controller, the inverter 1 and the inverter 2, the PARKER servo controller is connected to the cigarette pack conveyor belt servo motor, the inverter 1 is connected to the main conveyor belt motor, and the inverter 2 is connected to the auxiliary conveyor belt motor. Method: switch after the PB15 cigarette pack storage fails; block the conversion channel by blocking the cylinder; change the position of the conversion channel; block the conversion channel again; change the position of the conversion channel again; restore the operating state. The device and method can realize the rapid conversion of the cigarette pack conversion channel without stopping the upstream and downstream equipment, and its reliability is high.

The utility model discloses a fresh air handling unit which comprises a fan shell and a control unit. The fan shell is provided with an air supply duct and an air return duct. A fresh air filter, an evaporator, a heater and an air supply fan are sequentially arranged in the air supply duct at intervals in the air supply direction; a return air filter, a condenser, a compressor and an exhaust fan are sequentially arranged in the return air duct at intervals in the return air direction; the heater is provided with a frequency conversion fan used for blowing air towards the side of the evaporator so as to change the amount of air flowing through the heater. And a temperature sensor is arranged in an air supply outlet of the air supply duct. According to the fresh air handling unit, the rotating speed of the frequency conversion draught fan is changed according to the air temperature monitored by the temperature sensor so as to adjust the air volume flowing through the heater, and therefore the effect of adjusting the air temperature is achieved, the air temperature does not need to be adjusted by adjusting the medium flow of the heater, the control rule of a plurality of throttling valves does not need to be considered, and the control mode is simpler and more convenient. The practicability is high.

The invention relates to the technical field of proportional valve controllers, and discloses a digital proportional valve controller which comprises a guide rail shell, a liquid crystal display is installed on the top of the guide rail shell, and the controller can achieve independent control or linkage control of two paths of proportional valves. A main control unit is arranged in the guide rail shell, the main control unit adopts a high-performance 32-bit microprocessor, and the microprocessor is connected with a liquid crystal display circuit; the microprocessor comprises an A / D conversion module, a digital input module, an LCD display module, a communication interface module, a PWM output module and an analog quantity output module. The microprocessor circuit, the peripheral circuit, the proportional valve driving circuit and the overcurrent protection circuit realize digital control and improve the anti-interference capability; a friendly man-machine interaction interface facilitates parameter adjustment; the industrial bus facilitates system integration, multi-machine joint debugging and joint control; a wireless connection technology is adopted, so that remote monitoring is realized; the control algorithm and the control circuit are optimized, the product cost is reduced, and the product performance is improved.

The present invention provides a control method, device, electronic device and storage medium for a supercharger, the method comprising: obtaining the current throttle valve opening of the throttle valve; determining the throttle valve state based on the current throttle valve opening; if the throttle valve state is the first state, obtaining the current engine speed, cyclic injection amount and intake pressure; determining the feedforward opening and filtering time of the supercharger based on the current speed, cyclic injection amount and intake pressure; filtering the feedforward opening according to the filtering time to obtain the first supercharger required opening; controlling the supercharger to open according to the first supercharger required opening. When the present invention detects that the throttle valve has a small pressure build-up or a large variation, that is, the throttle valve state is the first state, it is determined that the intake pressure is unstable, the feedforward opening is filtered according to the filtering time corresponding to the intake pressure difference, the first supercharger required opening is determined, and the control method of the supercharger opening is optimized in time.

The present invention relates to the technical field of servo controllers, and in particular to a tension rod servo controller, comprising a power supply circuit, a main controller and a servo motor module, wherein the main controller is electrically connected to the power supply circuit and the servo motor module respectively, and the power supply circuit is provided to supply power to the main controller and the servo motor module, and can be used to filter out common mode interference, thereby ensuring stable operation of the main controller and improving the anti-interference ability of the main controller; by electrically connecting the main controller to the servo motor module, the rotation speed and rotation angle of each tension rod can be accurately controlled, the yarn control method can be improved, the yarn control accuracy can be improved, and a variety of patterned fabrics can be woven.

The present invention discloses a double-station hose filling and sealing machine and a sealing method, comprising a core disk capable of rotating movement and a lifting cage capable of lifting movement, wherein the lifting cage is suspended above the core disk; the core disk is provided with n pairs of bearing positions for bearing hoses, and the outer periphery of the lifting cage is provided with n pairs of action mechanisms, and each pair of the action mechanisms is a group of stations; when the core disk rotates, the hoses on the bearing positions are sequentially placed under the n pairs of the action mechanisms, and the lifting cage drives the action mechanisms to perform lifting movement, so that the action mechanisms process the hoses. The overall structural components of the present invention adopt upper cage suspension, and the design concept is novel. The entire equipment table has no messy working parts and no sanitary dead corners, and is easy to clean, meets GMP standards, has few parts, simple and intuitive structure, and stable machine operation, which saves manufacturing costs and machine space.

The invention discloses an improvement control method and system for knocking sound of a single planet row type hybrid gearbox. The method comprises the steps that attaching torque control is activated; according to the running gear of the vehicle, a flywheel clinging control target generator torque control push rod is adopted to be clinging to a flywheel groove, and if the flywheel clinging control target generator torque value is lower than the original target generator driving torque, the original target generator driving torque is chased at the continuously-increased slope; when the driving torque of the original target generator switches the positive direction and the negative direction, direction switching is completed according to the torque slope value of the transition target generator, and then a push rod is tightly attached to a flywheel groove according to the switched direction; linear torque filtering and target generator driving torque filtering are added, and the slope of the target generator driving torque is calibrated. According to the invention, the knocking sound generated by the push rod and the groove in the flywheel locking mechanism and the gear knocking sound generated in the multi-stage gear clearance in the ECVT dual-motor pure electric driving mode of the gearbox can be improved.

A control method for a papermaking drying energy supply coupling system, wherein the gas turbine power generation of the system is used to solve the power demand of the paper mill or to access the Internet, and the generated flue gas partially enters the paper machine hood for drying, and partially enters the high- and low-pressure boiler to generate steam, and can then enter the high- and low-pressure separators to adjust the steam parameters to generate the required various types of steam, and the generated steam partially enters the paper machine dryer for drying, and the other steam can be used for other processes or sold to surrounding heat users, and the flue gas coming out of the boiler enters the heat exchanger or lithium bromide unit to solve the heating or cooling needs of the park, and if the flue gas generated by the gas turbine does not meet the flue gas or steam needs of the paper machine, the corresponding supplementary combustion equipment can be started, and the control method optimizes and controls the energy supply process according to different energy requirements. The present invention can solve various energy requirements of different working conditions of the paper mill in a low-carbon, clean and efficient manner, and has high flexibility, strong practicality and good matching.

The invention discloses an integrated control type semi-closed screw compressor unit and a control method thereof, and belongs to the technical field of compressor units, the integrated control type semi-closed screw compressor unit comprises a compressor body, a motor and a control device, the control device comprises a CPU and a PLC, the CPU and the PLC are both used for controlling the screw compressor unit, and the motor is used for controlling the screw compressor unit. The control device of the screw compressor unit is integrated on the compressor body, a connecting assembly in an original screw compressor unit is omitted, the control mode is optimized, a compressor body energy adjusting mechanism is omitted, a compressor and an oil pump are integrated with a motor, the overall size and fault points of the screw compressor and the unit are reduced, and the service life of the screw compressor is prolonged. And meanwhile, the assembling and installing steps of the compressor body and the screw compressor unit are greatly simplified, installing and debugging are more convenient, operation is more energy-saving, and safety and reliability are achieved.

The application discloses a kind of mine wear-resistant ball hot-rolled round steel core quality improvement control method in the field of metallurgical refining, method includes: obtaining alloyed molten steel;The alloyed molten steel and pre-prepared aluminum wire, high-purity silicon carbide and lime are input into LF refining furnace, and the unit cycle of LF refining furnace refining is controlled to obtain refined molten steel;The refined molten steel is input into vacuum degassing furnace for vacuum treatment, and the vacuum treated molten steel is obtained;The vacuum treated molten steel is cast to obtain a rectangular blank;Control heating furnace adopts segmented heating rule to heat the rectangular blank, and the rectangular blank is packed into pit after rough rolling, finishing rolling and cold bed heat preservation treatment, and the finished round steel is obtained.The application can alleviate the technical problems that mine wear-resistant ball is often affected by inclusions, heating temperature and heating time during actual production, resulting in cracked ball or even broken ball, thereby affecting service life.

The utility model provides a kind of decontamination device and vehicle of vehicle quarter window, it is related to vehicle decontamination technical field, and the decontamination device of vehicle quarter window includes: at least one nozzle structure and at least one delivery channel;Nozzle structure includes gradually expanding cavity, the first end of gradually expanding cavity is communicated with delivery channel, delivery channel is used to input cleaning medium into gradually expanding cavity by the first end of gradually expanding cavity, the second end of gradually expanding cavity is the ejection end of cleaning medium, the caliber of first end is less than the caliber of second end;Ejection end is set to the edge of vehicle quarter window;The extension line of the direction that ejection end sprays cleaning medium is parallel or close to parallel with the surface of vehicle quarter window, and surface cleaning medium is sprayed via ejection end, to carry out decontamination to the outer surface of vehicle quarter window.The control mode and decontamination mode of the utility model are simple, easy to operate, and can improve the decontamination efficiency of the outer surface of vehicle quarter window.

The invention belongs to the field of unmanned aerial vehicle aerodynamics, and particularly relates to a device and a method for testing transient longitudinal aerodynamic characteristics of a fixed-wing unmanned aerial vehicle. According to the scheme, the electric cylinder is used as an actuator, and the pitching angle of the unmanned aerial vehicle can be dynamically adjusted by controlling the elongation change of the electric cylinder. The supporting legs, the bottom frame, the front vertical frame and the rear vertical frame which are used by the device can be built by adopting profiles, and the device is simple in structure, low in cost and convenient to assemble.

The present invention discloses a wheelchair control method based on electrical impedance technology combined with tactile perception, and the steps include: 1. N electrodes are evenly attached to the boundaries of flexible piezoresistive materials; 2. The acquisition device acquires voltage signals and transmits them to the host computer, and uses the TK-NOSER imaging method to perform two-dimensional imaging of the impedance distribution changes in the flexible piezoresistive material, and further calculates the coordinates of the touch position after threshold segmentation; 3. Six areas are divided on the flexible piezoresistive material for defining command operations; the area where the coordinates of the touch position fall is determined, thereby determining the wheelchair command; 4. The host computer sends the wheelchair command to the wheelchair controller to drive the wheelchair to perform the corresponding action. The present invention can quickly detect the signals corresponding to different touch commands and quickly control the wheelchair, thereby solving the problems of cumbersome wheelchair control operation, low sensitivity, difficult control, and high cost in the prior art.