52results about How to "Self-correcting" patented technology

The invention relates to an anti-electric-larceny prediction method based on machine learning and an apparatus thereof. The method comprises the following steps of acquiring learning sample data and prediction sample data, wherein the learning sample data comprises an electric larceny characteristic factor, a user number, a voltage grade, an industry type and a subordinated line; the prediction sample data comprises an electric larceny characteristic factor, a user number, a voltage grade, an industry type and a subordinated line; carrying out pretreatment on the learning sample data and the prediction sample data; determining an anti-electric-larceny neural network model to the learning sample data after pretreatment; taking the prediction sample data as an input quantity of the anti-electric-larceny neural network model, operating the anti-electric-larceny neural network model and outputting an electric-larceny suspected coefficient of each user; according to the electric-larceny suspected coefficient, predicting an electric-larceny suspected family.

The invention discloses an ACC / AEB system based on machine learning. The ACC / AEB system comprises an environment perception module, a data fusion module, a machine learning and decision controlling module and an execution module. The technical scheme is adopted to obtain control parameters adapted to driving habits of a driver by integrating a convolutional neural network with an ACC / AEB control algorithm and training and learning continuously, also to realize self-learning and self-correction during operation of ACC / AEB, namely, to self-learn operating conditions not encountered and self-correct unsatisfactory operating conditions, to continuously correct a weight value between each neuron and each parameter to output optimal control parameters, to realize intelligent vertical control, and to achieve comfort, safety and robustness.

The invention belongs to the technical field of engineering machinery, and particularly relates to a lifter overload protection device. The lifter overload protection device comprises a sensing hinge pin, a filtering circuit, an AD converting circuit, a central processing unit, a lifter operation state input part, a photocoupling circuit, a relay control output circuit, a sound-light alarm unit, a three-position nixie tube load display unit and a four-position nixie tube real-time AD value display unit. The invention further provides an automobile calibration method for the protection device, a sensing hinge pin fault diagnosis method, a method for avoiding the overload protection misoperation during operation, a gain adjusting method and a peeling method to guarantee that the protection device can normally, safely and accurately operate.

The invention discloses a gear floating type raise-boring machine. The gear floating type raise-boring machine comprises a base bracket, a telescopic driving mechanism, a rotating driving mechanism, adrill pipe and a drill bit. The bottom of a cutter holder is installed on a cutterhead through a rotating movable mechanism. A hob comprises a carrier piece, a plurality of floating gears and a plurality of elastomers. The carrier piece is of a circular-table-shaped structure. A plurality of clamping-connecting sliding grooves are formed around the carrier piece and distributed evenly to form anannular structure in a surrounding mode. The multiple elastomers are installed in the clamping-connecting sliding grooves. The multiple floating gears are connected into the clamping-connecting sliding grooves in a clamped mode and abut against the elastomers in a pressing mode to make the elastomers be compressed under force. The outer side of the periphery of the carrier piece is evenly connected with the multiple floating gears in a clamped mode. According to the gear floating type raise-boring machine, the floating gears can be matched with the broken rock surface, so that the rock breaking efficiency and smoothness are improved.

The invention relates to a symmetry output register, which is characterized in that when the discharge of charge branch with changed state turnovers, it only has one transistor to control the state conversation, to accelerate the turnover speed and improve symmetry; and it has abundant circuit, therefore, when two circuits are in hold state, it can automatically recover the soft error caused by radios.

The invention discloses a direct-reading wireless gas meter based on the illumination-vibration complementary environment energy collecting technology. The direct-reading wireless gas meter comprises a membrane type basic gas meter, three direct-reading infrared encoders, three 7 to 1 switch modules, an infrared encoding collecting and data processing module, an illumination environment energy collecting and communication module, a vibration environment energy collecting module and the like. The three direct-reading infrared encoders output analog quantity encoding values, and gas digital quantity data is uploaded to the illumination environment energy collecting and communication module through the three 7 to 1 switch modules and the infrared encoding collecting and data processing module. The direct-reading wireless gas meter has the advantages the electric energy of the gas meter is taken from the environments, and the illumination-vibration complementary environment energy collecting scheme designed according to power demands is good in usability; a single-ring semicircular encoding process is simple, and convenient in error correction; environment energy collecting efficiency is increased by a micro power consumption management circuit; an EnOcean standard protocol low in wireless communication frequency is good in diffraction ability; environment energy utilization is optimized by a polarized relay and the interrupt awakening technology.

The invention relates to a ratio-dependent florescent probe for identifying Zn<2+> and S<2-> in a relayed manner. The ratio-dependent florescent probe has a structure formula described in the specification. The ratio-dependent florescent probe is synthesized by adopting the specific steps of: with DMF (Dimethyl Formamide) as a solvent, stirring raw materials, namely N-(2-(1H-benzimidazoly)phenyl)-2-chloroacetamide and bis-(pyridylmethylene) amine, according to a molar ratio of 1: 2-1: 4 at room temperature for reaction for 7-10 hours to obtain a solution; and adding distilled water to the solution, adjusting pH of the solution to 6-7 by using diluted hydrochloric acid, filtering to collect generated precipitate, and recrystallizing by using acetonitrile to obtain the florescent probe N-(2-(1H-benzimidazoly)phenyl)-2-bis(2-pyridylmethylene) acetamide. The ratio-dependent florescent probe has the advantages of favorable sensitivity, strong antijamming capability and friendliness to environment in the process of carrying out monitoring analysis and tracing on Zn<2+> and S<2-> in a water environment system and a biological cell system.

The invention discloses an anti-radiation double-mode phase-locked loop circuit comprising a voltage controlled oscillator and a charge pump, wherein the anti-radiation double-mode phase-locked loop circuit further comprises two frequency division phase discrimination modules, which are separately connected with an output end of the voltage controlled oscillator, each frequency division phase discrimination module comprises a frequency divider unit and a phase frequency detector, which are connected in sequence, the frequency divider unit accesses an output signal of the voltage controlled oscillator, and a group of control signals is output to the phase frequency detector after the signal is subjected to the frequency division; a logic circuit module, used for separately receiving two groups of control signals output by the two frequency division phase discrimination modules to finally output multiple paths of control signals; and a charge pump control module, connected with the charge pump and comprising a plurality of control switches, wherein the control switches respectively receive the control signals output by the logic circuit module so as to control the on-off of the charge pump. The anti-radiation double-mode phase-locked loop circuit disclosed by the invention can automatically correct error signals, has an anti-radiation function, and has the advantages of simple structure, small power consumption, being able to eliminate the influence of irradiation effect to the circuit.

The invention provides a two-dimensional long-range surface profile detection device. The device comprises a monochromatic light source, a two-dimensional array structure pi-phase plate, a beam splitter prism, a guide rail, a pentagonal prism arranged on the guide rail, a lens, a rectangular prism module and a surface profile detector, wherein the monochromatic light source is set to emit a light beam; the beam penetrates through the two-dimensional array structure pi-phase plate, enters the beam splitter prism, enters the pentagonal prism after being split by the beam splitter prism, enters a to-be-detected mirror after being refracted by the pentagonal prism, then is reflected back to the pentagonal prism after being reflected by the to-be-detected mirror, is refracted again through the pentagonal prism, then sequentially penetrates through the beam splitter prism, the lens and the rectangular prism module to the surface profile detector, and forms a measurement light spot on the surface profile detector. According to the two-dimensional long-range surface profile detection device, two-dimensional information of the surface of an optical element is scanned through movement of the guide rail, and large-scale optical element surface quality detection and high-precision bending mechanism detection can be realized.

The invention discloses a battery health degree detection method and device, and belongs to the technical field of battery detection, and the method comprises the following steps: detecting the voltage and current of a battery, and obtaining a voltage value and a current value; detecting alternating current impedance values of the battery under different frequency currents; establishing a deep learning model, and obtaining a battery health degree estimation value SOH1; obtaining a charging and discharging efficiency estimation value through a charging and discharging efficiency calculation formula; according to the voltage value, the current value and the charging and discharging estimation value, establishing a deep learning mode, and obtaining a battery health degree estimation value SOH2; obtaining a battery health degree estimation comprehensive value SOH through an information fusion algorithm; and carrying out optimization calibration on the battery health degree estimation comprehensive value SOH to obtain a battery health degree calibration value. Compared with the prior art, the battery health degree detection method and device have the advantages that the self-repairing capability is realized, and the detection precision is high, and online learning optimization can be realized, various environments are adapted, and the influence of detection conditions is avoided.

The invention is applied to the field of small and medium diameter deep hole processing, and in particular relates to a hydraulically-based self-correcting system for small and medium diameter deep hole processing. Including inner rotary body, outer rotary body and driving mechanism; the inner rotary body is sleeved on the outer periphery of the drill pipe and fixed relative to the drill pipe; cutting fluid is filled between the inner rotary body and the outer rotary body so that the inner rotary body and the outer rotary body A flow channel is formed between the bodies, and the flow channel includes a plurality of wedge-shaped flow channels uniformly distributed in the circumferential direction. When the driving mechanism drives the inner rotary body to rotate, the cutting fluid enters the small end from the large end of the wedge-shaped flow channel, and the superposition of pressure flow and shear flow generates Oil film pressure realizes self-centering and self-correction of drill pipe. The present invention forms a wedge-shaped flow space between the wedge-shaped entity and the outer sleeve. Under normal conditions, the oil film pressure in the wedge-shaped space provides a circumferentially symmetrical self-centering force; when the drill pipe is deflected, the wedge-shaped space will generate oil film pressure, that is, self-correction The drill pipe can be "pushed back" to the correct axis by using the self-correcting force, so as to realize the self-correction of the axis deviation.

The invention relates to the technical field of production line detection, aims to solve the problem of product false rejection caused by false triggering of a detection device, and provides a false touch correction system suitable for a production line, which comprises a first photoelectric sensor, a controller, an acquisition device and the detection device. The method comprises the following steps: 1, after a to-be-detected product triggers a first photoelectric sensor, the first photoelectric sensor sends a detection signal to a controller connected with the first photoelectric sensor; 2, the controller receives the detection signal, records the detection time t0 and issues an acquisition instruction to the acquisition device; 3, the acquisition device acquires to-be-detected data of the to-be-detected product and transmits the to-be-detected data to the detection device; 4, the detection device receives the to-be-detected data and obtains the receiving time t1 of the to-be-detected data, when the time difference between t0 and t1 is smaller than a threshold value, the trigger is valid, the detection device detects the to-be-detected product according to the to-be-detected data, otherwise, the trigger is invalid, and the detection device ignores the to-be-detected data. By adopting the mode, the problem of false elimination caused by false triggering can be effectively avoided.

The invention provides an air conditioner control method and device, a storage medium and an air conditioner. The method comprises the steps that the current operation mode and the current unit calculation load of the air conditioner are obtained; according to the obtained current operation mode and the current unit calculation load, matched initial comfort state data is obtained from a pre-established first database and / or second database, and the initial comfort state data comprises setting parameters and / or operation parameters; setting parameters in the initial comfortable state data are obtained, and operation of the air conditioner is controlled according to the obtained setting parameters; wherein the first database or the second database is established based on the adjustment operation of a user on the air conditioner setting parameters during the operation of the air conditioner. According to the scheme provided by the invention, the user comfort level can be defined according to the parameters before and after adjustment in combination with the user adjustment condition during the unit operation period, so that control optimization is performed through different comfort levels.

The invention discloses a cylinder clamping device. The device comprises a top plate, a bottom plate and several connecting rods arranged between the top plate and the bottom plate. The top plate is provided with external threads for a threaded rotating rod to pass therethrough, the bottom end of the threaded rotating rod is provided with an upper jaw clamp, and the upper jaw clamp is arranged corresponding to a lower jaw clamp fixed to the bottom plate. Grooves are formed in the front face of the upper jaw clamp and the front face of the lower jaw clamp to form corresponding first clamping openings, grooves are also formed in the side faces of the upper jaw clamp and the lower jaw clamp to form corresponding second clamping openings, lifting of the upper jaw clamp is achieved through rotation of the threaded rotating rod, and therefore clamping and loosening of a workpiece are achieved. The invention further discloses a mounting and using method of the cylinder clamping device. By means of the cylinder clamping device, the problem that a traditional cast iron vise is difficult to clamp a cylinder which is prone to cracking under stress is solved, the stability of clamping the cylinder is greatly improved, and the operation or maintenance efficiency of a cylindrical workpiece is improved.

The invention discloses a hydro-cylinder ear ring capable of achieving self-correction and buffer of a mounting angle. The ear ring comprises a seat body, wherein the seat body is provided with an ear hole, one end of the seat body is provided with a radial spherical plain bearing or a slide bushing, and the other end of the seat body is provided with a regulating device; one side of the radial spherical plain bearing is provided with a clamp spring, and the other side of the radial spherical plain bearing is provided with steps; one side of the regulating device is provided with a through hole, and the other side of the regulating device is provided with a screw thread hole; and the through hole and the screw thread hole are respectively provided with a first locking bolt and a second locking bolt, and a regulating groove is arranged between the through hole and the screw thread hole. According to the invention, the height of the regulating groove is compressed through the first locking bolt and the second locking bolt, thus the combination degree of the screw thread and a mounting rod is controlled, the space and expense of screw thread compactness are saved, and the ear ring has the functions of buffer and self-correction for the mounting angle; and the hydro-cylinder has a good seal property, and the damage of a seal member in advance or the deformation of a piston rod caused by the deflection of the transmission force of the piston rod for the hydro-cylinder can not happen, thus the oil leakage phenomenon is avoided.

A tennis racket for training comprises a racket head and a racket grip, wherein the area S of the racket head is smaller than 85 square inches; the length L of the whole tennis racket ranges from 27 inches to 29 inches; and the width and the height of the racket head (1) are both not less than 2.5 inches.

The invention belongs to the field of small-and-medium-diameter deep hole processing, and particularly relates to a self-deviation-rectifying system for small-and-medium-diameter deep hole processingbased on the hydraulic pressure. The self-deviation-rectifying system comprises an inner rotation body, an outer rotation body and a driving mechanism; the inner rotation body is arranged on the periphery of a drill rod in a sleeving mode and is fixed relative to the drill rod; the position between the inner rotation body and the outer rotation body is filled with cutting liquid, so that a flow channel is formed between the inner rotation body and the outer rotation body, the flow channel comprises a plurality of wedge-shaped flow channels which are evenly distributed in the circumferential direction, and when the driving mechanism drives the inner rotation body to rotate, the cutting fluid enters the small ends from the large ends of the wedge-shaped flow channels; and a pressure flow anda shear flow are superposed to generate oil film pressure to realize self-centering and self-deviation-rectifying of the drill rod. A wedge-shaped flowing space is formed between a wedge-shaped solidbody and an outer sleeve, and in a normal state, oil film pressure of the wedge-shaped space provides circumferentially-symmetrical self-centering force; and when the drill rod deflects, the wedge-shaped space generates the oil film pressure, namely self-deviation-rectifying force, the drill rod can be 'pushed back' to the correct axis through the self-deviation-rectifying force, and self-correcting of axis deflection is achieved.

The invention discloses a road icing, snow melting and deicing online monitoring method and system. The method includes the following steps that: the sample data of icing, snow melting and deicing areacquired, and the sample data are marked according to the state information of the icing, snow melting and deicing, so that sample marked data are obtained; a deep neural network is constructed, andthe sample marked data are trained through the deep neural network, so that the estimated value of at least one key parameter is obtained; the meteorological information of a monitored area is obtained, and statistic analysis is performed on the meteorological information through a statistical judging algorithm, so that the target parameter value of the monitoring area is obtained; and whether road icing or snow melting and deicing occurs in the monitoring area is judged through the statistical judging algorithm according to the estimated value of the key parameter and the target parameter value of the monitored area.

The invention discloses an angle self-correction method and system based on multi-frequency excitation, and the system comprises a multi-frequency signal generation module which is used for generatingan excitation signal containing a plurality of frequencies, injecting the excitation signal into a coil, and generating a magnetic field; the high-speed ADC module which is used for carrying out equal time difference sampling on output signals generated by electromagnetic induction and converting the sampled output signal into a digital signal; the microprocessor module which is used for controlling the sampling time sequence of the high-speed ADC module and extracting the phase of the digital signal by using a Fourier transform method to obtain an angle function of the measured rotating object at each frequency; and the self-correction module which is used for carrying out self-extraction of error parameters on the angle function and correcting the angular displacement sensor according to the error parameters. The method is low in cost and high in practicability, and can be widely applied to the technical field of displacement measurement.

The invention discloses a method and device for realizing self-repairing of a test script, and relates to the technical field of computers. One specific embodiment of the method comprises the following steps: calling a test script generation algorithm to generate a temporary test script text and a temporary tested interface parameter nesting link text; generating a text identifier of the temporarytest script text and a text identifier of the temporary tested interface parameter nesting link text; and repeating the above steps, and then comparing the text identifier of the current temporary tested interface parameter-in nested link text with the text identifier of the temporary tested interface parameter-in nested link text generated last time to determine a formal test script text for testing. According to the embodiment, the problem that in the prior art, the test script cannot automatically correct errors and automatically modify along with the tested application program interface can be solved.

The invention discloses an anti-radiation double-mode phase-locked loop circuit comprising a voltage controlled oscillator and a charge pump, wherein the anti-radiation double-mode phase-locked loop circuit further comprises two frequency division phase discrimination modules, which are separately connected with an output end of the voltage controlled oscillator, each frequency division phase discrimination module comprises a frequency divider unit and a phase frequency detector, which are connected in sequence, the frequency divider unit accesses an output signal of the voltage controlled oscillator, and a group of control signals is output to the phase frequency detector after the signal is subjected to the frequency division; a logic circuit module, used for separately receiving two groups of control signals output by the two frequency division phase discrimination modules to finally output multiple paths of control signals; and a charge pump control module, connected with the charge pump and comprising a plurality of control switches, wherein the control switches respectively receive the control signals output by the logic circuit module so as to control the on-off of the charge pump. The anti-radiation double-mode phase-locked loop circuit disclosed by the invention can automatically correct error signals, has an anti-radiation function, and has the advantages of simple structure, small power consumption, being able to eliminate the influence of irradiation effect to the circuit.

The invention discloses a workpiece conveying system of a white automobile body welding production line. The workpiece conveying system comprises a base frame, guide rails, conveying units, a slidingtable, an alarm device and a control system, wherein the base frame is fixed on the ground, the alarm device and the guide rails in the Y direction are fixedly arranged on the base frame, a displacement sensor I is arranged on the guide rails, the guide rails are located above ground equipment of the welding production line; the guide rails are arranged at the upper end of the base frame in the conveying direction of workpieces in the production line, the upper end of the conveying unit cooperates with the guide rails, the lower end of the conveying unit is suspended, and the sliding table islocated below the conveying unit; and the workpiece to be conveyed is placed on the sliding table, and the control system controls the conveying unit and the sliding table to act. The invention further discloses a control method of the workpiece conveying system of the white automobile body welding production line. The workpiece conveying system can be erected above the production line to achievelong-distance conveying of the workpieces, and the occupied area of the production field is small, the control system controls the action of each action piece, the control efficiency is high, and thereliability is high.

The invention discloses a guiding seedling separation device and relates to the technical field of farm machinery. The guiding seedling separation device comprises a guiding seedling separation plate, a pull wire and a pull wire retractor device, wherein the guiding seedling separation plate is arranged outside a wheel in a front-back symmetrical manner and is divided into an upper part and a lower part, the upper guiding seedling separation plate is arranged on a wheel axle, a motor, a pull wire telescoping mechanism and a limiting mechanism for the telescopic length of the pull wire are arranged in the pull wire retractor device, and the pull wire retractor device is connected to the upper guiding seedling separation plate through the pull wire. According to the guiding seedling separation device, the seedling separation effect is played, and during a running process of the machine between crop lines, when the wheel deviates outwards between the lines, the wheel is promoted to return automatically and is guided to run between the lines, so that the crop loss caused by grinding is avoided and the economic benefit and the working efficiency are improved.

The invention discloses a shopping bag discharging machine and a bag discharging method. The shopping bag discharging machine is used for automatically discharging shopping bags and comprises a pressing roller assembly, a bag clamping assembly, a pushing device assembly and a bottom plate, the pressing roller assembly, the pushing device assembly and the bag clamping assembly are arranged on the bottom plate, the pressing roller assembly comprises a movable pressing roller and a fixed pressing roller, and the bag clamping assembly comprises bag clamping pieces and bag clamping side plates. The bag clamping pieces and the movable pressing roller are arranged on the pushing device assembly, the movable pressing roller tightly presses the fixed pressing roller through stretching of the pushing device assembly, the fixed pressing roller rolls to send out the shopping bag, and when the pushing device assembly contracts, the bag clamping pieces clamp the shopping bag and tightly presses the shopping bag on the bag clamping side plates so that a customer tears down the shopping bag conveniently. According to the bag discharging machine, through linkage of the movable pressing roller and the bag clamping pieces, the pressing roller assembly and the bag clamping assembly clamp and loosen the shopping bag respectively, the shopping bag is enabled to be in a rolling bag discharging state and a clamping bag tearing state, the structure is simple and reliable, meanwhile, the shopping bag can be automatically rectified, and it is guaranteed that a bag rolling fault does not occur in the next bag discharging process.

The invention relates to an intelligent self-adaptive wireless acoustic digital microphone, which relates to an acoustic microphone. The microphone includes an acoustic sensing material, a cylindrical base body, a micro-signal processing system, and the acoustic sensing material is installed on the cylindrical base body. The cylindrical base body passes through the The screw port A is connected with the micro signal processing system. The micro signal processing system is equipped with a micro antenna and a screw port, which can wirelessly transmit data to the host computer through the micro antenna, and can transmit data with the host computer through a cable through the screw port B. It is a miniaturization , lightweight microphone, with self-calibration, self-acquisition data, digital output, debugging is very simple, can reduce a lot of manpower and material resources during measurement, can reduce people's labor intensity, can improve the accuracy of measurement data, and is especially suitable for on-site Operation.

The invention provides a metal additive manufacturing method and a metal additive manufacturing material, and belongs to the 3D printing technology. The metal additive manufacturing method is characterized in that the metal additive manufacturing material with the volume expansion characteristic in the cooling process is adopted for additive manufacturing, so that tensile residual stress or / and deformation generated in the additive manufacturing process is / are reduced. According to the method, a metal component is manufactured by using the metal additive manufacturing material with the volumeexpansion characteristic in the cooling process, tensile residual stress can be reduced, even compressive residual stress is generated in the metal component, and deformation in the metal component can be controlled, so that the manufactured metal component has longer service life.

A ratiometric fluorescent probe for relay recognition of Zn2+ and S2-. The molar ratio of chloroacetamide and bis-(pyridylmethylene)amine is 1:2~1:4, and the reaction is stirred at room temperature for 7h~10h; add distilled water, adjust the pH=6~7 with dilute hydrochloric acid, filter, and collect the resulting Precipitate and recrystallize with acetonitrile to obtain fluorescent probe N-(2-(1H-benzimidazolyl)phenyl)-2-bis(2-pyridineamino)acetamide. The advantages are: it has good sensitivity, strong anti-interference ability and is friendly to the environment in the monitoring analysis and tracing of Zn2+ and S2- in water environment system and biological cell system.