137results about How to "Improve compensation efficiency" patented technology

The invention discloses a network cluster-control-based numerical control machine tool error real-time compensation system and a network cluster-control-based numerical control machine tool error real-time compensation method. The compensation system comprises a hardware part and a software part built in hardware, wherein the hardware part comprises a master control center personal computer (PC), a router, a built-in Ethernet port or a personal computer memory card international association (PCMCIA) Ethernet card, a temperature sensor and a temperature data acquisition card; and the software part comprises a temperature acquisition module, an error modeling and calculating module, a cluster-control compensation module and a machine tool state network monitoring module. By the compensation system and the compensation method, error real-time compensation and working state information monitoring can be performed on a plurality of numerical control machine tools on a production line at the same time; the movement precision of the numerical control machine tools is improved in batches; and therefore, the compensation efficiency and the final machining precision are greatly improved.

The invention provides a springback compensation method for creep age forming. The method comprises the following steps: Step S100, based on MSC.MARC commercial finite element software, constructing creep age forming finite element simulation; Step S200, weighting a springback iterative compensation process based on a molding surface of a finite element simulation result; and Step S300, considering a reverse compensation process of high temperature molding surface thermal expansion effect. The method considers the influence of the strength of a component on surface compensation, the influenceof a component feature structure on surface compensation, and reverse compensation of thermal expansion of a high temperature molding surface. A component formed by the model can still meet the engineering error requirement after being cooled.

The invention discloses a passive type deep sea heave compensation device for ocean platform drilling. A vertically arranged guide slot is formed in a drilling derrick (3); a vertically arranged spring (5) is fixedly arranged at the top of the guide slot; a pressing plate (6) located in the guide slot is fixedly arranged at the bottom of the spring (5); a floating overhead crane (7) is located under the pressing plate (6); and a center grooved wheel (8) provided with multiple wire ducts on the column surface is mounted in the floating overhead crane (7) in a rotatable manner. The heave compensation device disclosed by the invention further comprises a large hook (9), a water isolation pipe (10), a large hook lifting rope (11), a steel wire rope (12) and a displacement compensation mechanism I and a right displacement compensation mechanism II which are respectively arranged on the left and right sides of a stand (2). The displacement compensation mechanism I and the right displacementcompensation mechanism II are symmetrically disposed on the left and right. The passive type deep sea heave compensation device has the beneficial effects of simple structure, capability of verticallydropping down the water isolation pipe, high reliability, high compensation efficiency and high system response speed.

A beam space-charge compensation device is applied to an angular energy filter provided in an ion beam processing system that performs processing by irradiating onto a wafer with an ion beam. The beam space-charge compensation device comprises a plasma shower provided in a beam-guiding chamber of the angular energy filter. The plasma shower comprises an arc chamber having a filament for generating thermo-electrons for plasma. The arc chamber comprises an extraction hole for extracting the thermo-electrons. The plasma shower is arranged such that the extraction hole is located on lines of magnetic force, perpendicular to an ion beam advancing direction, of the magnetic field and that a center axis of the filament and a center axis of said extraction hole coincide with the lines of magnetic force, perpendicular to the ion beam advancing direction, of the magnetic field.

The invention discloses an integrated static compensator of a distribution transformer, comprising the distribution transformer, a static compensation module and a control platform, wherein each phase winding at a high-pressure side of the distribution transformer is provided with a connecting tap; the connecting tap is connected with an alternating current output side of the static compensation module; and the control platform controls the static compensation module to inject reactive power by the connecting tap so as to realize compensation. The integrated static compensator centralizes to compensate at a key node, thus improving the capacity of the static compensator of existing distribution networks and improving the quality of compensated output waveform.

The invention discloses a self-adaptive MRI (Magnetic Resonance Imaging) gradient pre-emphasis waveform generating device. The device includes a user computer, a sampling computer, a gradient controlmodule, a gradient power amplifier module and a gradient signal collection module. The invention also discloses a self-adaptive MRI gradient pre-emphasis waveform generating method. According to the invention, based on a gradient current pre-emphasis compensation principle, first, when pre-emphasis treatment is not performed, distorted actual gradient magnetic field waveform data on a gradient coil is collected through a current monitoring port of the gradient power amplifier module and in uploaded to the user computer, and then the offset between preset gradient magnetic field waveform data and the actual gradient magnetic field waveform data is calculated. An eddy curve is acquired based on the offset, a group of amplitude constants and time constants are acquired through least squares fitting, and pre-emphasis treatment is performed on gradient pre-emphasis parameters through the amplitude constants and time constants are acquired through fitting, so that influence on gradient magnetic field by eddy currents is eliminated through neutralization.

The invention relates to a mura compensation method and system of a display panel, computer equipment and a storage medium. The method comprises the steps that of lighting a display panel, wherein thedisplay panel comprises lighted feature sub-pixels of at least two colors; collecting brightness data of the display panel under a preset gray scale; extracting current brightness data of the characteristic sub-pixels of the at least two colors according to the brightness data; and determining the brightness compensation value of the display panel according to the current brightness data of the characteristic sub-pixels of the at least two colors. By adopting the method, the picture shooting frequency can be reduced, so that the shooting time is saved and the compensation efficiency is improved.

The invention provides a spring-back compensation method working out factor reversely. A test die stamping part is regarded as an imaginary product part and subjected to forming and spring-back simulation, and a simulated spring-back value is worked out; through a forcing-deformation simulation method, the difference value between a test die surface and a test die is calculated and used as an actual compensation value, and a compensation factor is worked out; the compensation factor is applied to die surface compensation of an actual designed part. When the spring-back compensation method is applied to forming of a two-dimensional bent part, spring-back can be well controlled only through once compensation, the compensation efficiency is greatly improved, the die testing frequency is reduced, and reference and basis are provided for spring-back compensation of the two-dimensional bent part.

The invention discloses a voltage optimizing point sorting method for a 10KV overhead line reactive compensation device. The method comprises the following steps: a. obtaining the load rate and the power factor in maximum load according to data of line load curves and reactive and active sampling; b. initially determining the compensation capacity range; c. calculating and drawing a line load and impedance distribution diagram according to the load rate, the power factor and a circuit electric wiring diagram as well as the span and the diameter of an overhead line, and counting the reaction value of a main circuit or branches; d. calculating the voltage drop percentage of each load point relative to an original point or a branch point; e. determining compensation point quantity and capacity according to the conditions of line voltage drop and line reactive capacity in an allowable compensation range, and verifying; and f. determining the position of the compensation point. By adopting the method, the quantity and position of the compensation points can be analyzed and calculated according to actual conditions, the compensation efficiency to the lines can be improved maximally, and meanwhile, the conditions of overcompensation and under-compensation can be avoided.

The invention discloses a multi-time-scale province-region-county integrated reactive power optimization method of an electric system. The method considers the yearly rule, the season rule, the monthly rule, the day rule, super-short-time built-in inertia rules and random components. The method can achieve multi-time-scale province-region-county integrated reactive power optimization, provides multi-time-scale continuous reactive voltage optimal configuration strategies, achieves reactive voltage optimal operation between various voltage classes in long periods, intermediate periods and short periods, improves the voltage qualified rate of the whole network, guarantees continuous, safe and stable operation of the power grid, provides theoretical foundations for setting up the operation mode of the power grid and reasonably and optimally utilizing electricity generation resources, and can effectively guarantee safe, stable and continuous operation of the power grid.

The invention discloses a transformer-free series voltage quality regulator based on parasitic booster circuit and a control method of the regulator. The transformer-free series voltage quality regulator comprises a power supply, an inverter device, a capacitor energy storage device, an output filter inductor, a controllable rectifier device, a rectifying-filtering inductor, a load, an output filter capacitor, a bypass switch, and a control system, wherein the inverter device and the capacitor energy storage device are serially connected between the power supply and the load to only control the deviation causing the voltage quality problem, i.e. partial inversion control, which needs less energy; a boosting charging loop of the capacitor energy storage device is parasitically arranged in the inverter device; the charging condition of the capacitor energy storage device can be controlled by the controllable rectifier device according to the requirement for load compensation to improve the compensation range and efficiency of the device.

An organic light emitting diode (OLED) display device includes a display panel including a plurality of OLED pixels arranged in a matrix form to display an image, and the plurality of OLED pixels each includes a switching thin film transistor (TFT) to switch a data voltage pass supplied from a data line in response to a scan signal input through a gate line, a driving TFT turned on in accordance with a magnitude of a data voltage supplied from the switching TFT to control an amount of light emitted from an OLED, and a variable storage capacitor connected in parallel to a gate electrode of the driving TFT and having a capacitance varying in accordance with a magnitude of a voltage applied to the gate electrode of the driving TFT may increase a charging speed and a charging rate of a data voltage of the OLED pixel. As a result, it is possible to improve threshold voltage compensation efficiency and solve a problem such as non-uniform luminance and an afterimage.

The invention relates to an automatic compensation device and method for a background field of a fluxgate magnetometer. The device comprises an analog / digital (A / D) converter, a micro control unit (MCU) and a D / A converter; the A / D converter acquires the measurement value of the fluxgate magnetometer from a sensor probe of the fluxgate magnetometer, converts the measurement value into a digital signal in real time and provides the digital signal for the MCU for operation; and a digital compensation signal obtained by operation of the MCU is converted into an analog voltage signal through the D / A converter, and the analog voltage signal is coupled to a compensation coil in the sensor probe of the fluxgate magnetometer. The method comprises the following steps of: acquiring signals by the A / D converter; judging whether compensation is needed and giving the magnitude and the direction of an initial compensation value by the MCU, and outputting compensation current by the D / A converter; repeating the compensation cycle; and placing the sensor probe in a quasi-zero field by a plurality of compensation cycles. In the invention, manpower for operating instruments on site is not needed, compensation efficiency and precision are improved, and the device and the method can be used for deep well observation and remote monitoring and intelligent measurement of the instruments.

The invention provides a compensation device for cutter machining parameters. The compensation device comprises at least one processor and a memory, the memory memorizes a plurality of modules which are executed by the at least one processer. The modules include: a data acquisition module, a model establishing module, a grinding wheel abrasion predicting module, a judging module, a parameter computing module and a communication module, the data acquisition module is used for acquiring historical parameter compensation data of existing cutters in a mass production process; the model establishing module is used for analyzing relevance between machining parameters and time-based abrasion loss of a grinding wheel according to the historical parameter compensation data and establishing a parameter compensation model; the grinding wheel abrasion predicting module is used for predicting the abrasion loss of the grinding wheel in a cutter machining device; the judging module is used for judging whether the cutter machining parameters need to be compensated or not; the parameter computing module is used for computing the machining parameters which need to be compensated; the communication module is used for transmitting the machining parameters which need to be compensated to the cutter machining device. The invention further provides a compensation method for the cutter machining parameters. By the aid of the compensation device and the compensation method, compensation efficiency of the cutter machining parameters can be improved.

The invention relates to an STL model permeability error comprehensive compensation method in a 3DP process, which comprises the following steps: after a printed STL model is obtained, permeability error related parameter setting is firstly carried out, Z-direction permeability error calculation compensation is then carried out to obtain Z-direction permeability error compensation amount, and theZ-direction permeability error compensation amount is used for compensating the model to obtain a permeability error compensation result, an STL model after Z-direction compensation is obtained; pre-layering processing is carried out on the basis of the STL model after Z-direction compensation to obtain a wireframe model of current STL model layering surface data information; XY-direction penetration error calculation compensation is performed on the layered wireframe model to obtain an XY-direction penetration error layered compensation amount, and XY-direction penetration error compensationis performed by using the layered compensation amount to obtain an XY-direction compensated wireframe model; and interpolation compensation is performed on the wire frame model after the XY-directioncompensation to obtain a final wire frame model. The influence of penetration errors on the quality of the printing model is reduced.

The invention discloses an apparatus and method for comprehensively controlling electric energy quality. Current target compensation tasks are determined according to acquired power grid parameters of a low-voltage power grid, and four corresponding pulse control signals are generated according to the current target compensation tasks to respectively control a first IGBT inversion module, a second IGBT inversion module, a third IGBT inversion module and a high-frequency stepless voltage regulating module to conduct static reactive compensation, active filtering, three-phase unbalance current compensation and stepless voltage compensation. Static reactive compensation, active filtering, three-phase unbalance current compensation and stepless voltage compensation can be conducted simultaneously, the compensation contents are comprehensive, and control effects on a low-voltage power grid are good. IGBT inversion modules are employed to conduct reactive compensation, active filtering and three-phase unbalance current compensation, the size and loss are small, the cost is low, the response speed is fast, and the real-time and dynamic performance is good. Compared with other electric and electronic devices, the IGBT inversion modules are full-control type electric and electronic devices and have higher control precision.

The present invention relates to an X-[gamma] dosage detection device. The X-[gamma] dosage detection device comprises a plastic scintillator, a ZnS scintillator, a photoelectric converter, an I-F conversion circuit, a processing circuit, a BGO scintillator and a shielding housing. The plastic scintillator is cylindrical, the center position of the front end of the plastic scintillator is providedwith a cylindrical groove; the ZnS scintillator is uniformly sprayed at the surface of the plastic scintillator except an optical output surface and a groove portion; and the BGO scintillator is putin the groove; the rear end of the plastic scintillator is connected with the photoelectric converter, and the photoelectric converter is connected with the I-F conversion circuit. The X-[gamma] dosage detection device is a key part in a portable X-[gamma] dosage rate instrument applied in the nuclear radiation detection field, a low-energy end of a composite detector is smooth in energy responseand small in deviation, introduced compensation materials BGO is low in compensation energy lower limit and cannot deliquesce, and compared to the NaI compensation, the technology is simple, and the size is flexible.

The embodiment of the invention provides an information processing method and device, a computer device, a storage medium and a program product. The method comprises the following steps of obtaining the first subscription data corresponding to the subscription transaction sheet of the current batch of the target business and the first redemption data corresponding to the redemption transaction sheet, according to the first subscription data and first available subscription data accumulated in a historical batch, obtaining the second available redemption data corresponding to the current batch,obtaining the second available redemption data corresponding to the current batch according to the first redemption data and the first available redemption data accumulated in the historical batch, and compensating the balance data in a first account corresponding to the target service according to the second available redemption data and the second available redemption data. According to the technical scheme, the funding fund account is compensated by using the subscription data in batches, so that the compensation efficiency can be improved, the funding cost can be reduced, and when the current batch is calculated, the subscription data and the redemption data are fully utilized, and the fund utilization rate and the settlement efficiency of funding recompensation are improved.

The invention discloses a large mask plate face type compensation device for photoetching equipment, which is located between an illumination unit and a mask plate. The large mask plate face type compensation device comprises a glass plate with a plurality of pumping holes, and a pumping control unit, wherein the glass plate is located above the mask plate and is parallel to the mask plate; the glass plate is fixedly arranged relative to an objective lens set and at least covers a current exposure region of the mask plate; the pumping control unit is used for pumping a gap between the glass plate and the mask plate through the pumping holes; a pressure difference is formed between upper and lower surfaces of the mask plate to compensate the self-weight deformation amount of the mask plate. Compared with the prior art, under the condition of not changing an existing hardware framework, a self-weight deformation compensation problem of the large mask plate in a stepping scanning photoetching machine is solved, so that self-weight deformation in an object space view field is effectively controlled in a whole scanning movement process of the mask plate; an object plane does not need to be adjusted through an objective lens.

The invention discloses a pulse counting precision compensation method for dual-bit flowmeter calibrating device, the method comprises the steps as follows: connecting the pulse signal of the flowmeter F1 to the data collecting card of industrial personal computer (IPC) in two paths; one path is direct while the other path is processed into the sinusoidal signal for input by the programmable filter on the collecting card; setting the sinusoidal signal initial value x(O), inverse matrix initial value P(O), obtaining the signal frequency omega, eliminating low frequency interference signal according to the convergence frequency, correcting the AD sampling interval time Ts; calculating reversing signal triggering phase for building over-determination matrix, obtaining the phase of the signal at reversing time for reverser, according to the phase of the signal at reversing time for reverser, counting the pulse number Ni by the counter, interference pulse number Nd and calculating the correction pulse number N.

The invention provides a memristor cross array-based processing circuit and an output current compensation method, and relates to the technical field of cross arrays. The processing circuit comprisesa first memristor cross array, n first conversion circuits, n first analog-to-digital converters ADC and n first compensation modules, wherein m word lines of the first memristor cross array are respectively used for receiving m input voltages, each bit line in n bit lines of the first memristor cross array is connected with a first conversion circuit, and the first conversion circuit is used forconverting an analog current output by a corresponding bit line in the first memristor cross array into an analog voltage; each first conversion circuit is connected with one first ADC, each first ADCis connected with one first compensation module, and each first compensation module is used for compensating the first digital voltage after the first ADC converts the analog voltage of the corresponding bit line into the first digital voltage. According to the processing circuit provided by the invention, the accuracy of the output current of the cross array and the calculation performance of the cross array can be improved.

The invention discloses a fast compensation method for the electric performance of a deformed array antenna under a dynamic load based on a least square method. The method comprises the following steps: 1) according to geometric model parameters and material attributes of the array antenna, establishing a structural finite element model; 2) selecting the vibration mode and natural frequency of theantenna model according to the frequency distribution range of the dynamic load; 3) calculating compensation excitation current; 4) using the new excitation current to compensate the electrical performance of the deformed array antenna. The invention utilizes the mode superposition method to directly correlate the compensation excitation current of the deformed array antenna with the dynamic loadbased on the least square method. As long as the dynamic load in the service environment is known, the real-time compensation of the electrical performance of the antenna array can be realized. Thismethod can obviously improve the deterioration of antenna electrical performance caused by the external environment dynamic load without increasing the system weight and complexity. At the same time,the compensation efficiency is greatly improved. It is ensured that the electrical performance of the deformed array antenna can be compensated in time and work normally in various dynamic load environments.

The invention belongs to the field of reactive compensation technologies and particularly relates to a reactive compensation device with a variable capacitor module and the variable capacitor module. The reactive compensation device comprises a control unit, a filter unit and the variable capacitor module. The variable capacitor module comprises two capacitor units connected with each other in parallel, each of the two capacitor units is composed of a capacitor and a regulation switch which are connected with each other in series, one ends of the capacitors of the two capacitor units are grounded, the other ends of the capacitors are connected with one ends of the regulation switches, the other end of the regulation switches are electrically connected with the filter unit, and a regulation end is further arranged in each regulation switch. An input end of the control unit is electrically connected with a bus, and an output end of the control unit is connected with regulation ends of the regulation switches. The filter unit is electrically connected with one phase of the three-phase bus. Continuous compensation can be achieved by the variable capacitor module, compensation efficiency is high, manufacturing cost is low, power supply efficiency and power utilization benefit of a power grid are increased effectively, and loss of the power grid is greatly reduced.

The invention provides a structure of a high-integration-density fuel cell with compensation ability. The structure comprises a membrane electrode, a bipolar plate and a collector plate assembled between two end plates, wherein compensation springs are not arranged on the two end plates, and the two end plates are made from alloy material of antimony, bismuth or gallium with the character of expansion and contraction. The structure has the beneficial effects that the unbalance of an assemble force caused by the size change of each component due to expansion and contraction in an electric pile can be completely compensated, the compensation efficiency and capability can be improved, the springs are not needed, the space can be saved, the integration density of the fuel cell can be improved, and the volume ratio power and the weight ratio power of the electric pile can be improved. Furthermore, the varieties of parts are reduced, so that the long-term running reliability of the electric pile can be improved to a certain degree.

The invention discloses a charging method and a charging device for a display panel and a display device. The charging method comprises the following steps: simultaneously charging sub-pixels in a pixel unit for first charging time; and after the first charging time, only charging the target sub-pixel in the pixel unit for not less than second charging time. Therefore, the charging process is carried out in two stages, namely, in the first stage, TFTs of all the sub-pixels are simultaneously opened for charging for the first charging time, in the second stage, the other sub-pixels are closed, the target sub-pixel is further charged till the target value is achieved, along with the increase of the size of the display panel, the simultaneous charging time and first charging time can be appropriately adjusted, thus the charging speed of the large-size display panel can be improved, the sense time of the display panel can be reduced, the compensation efficiency can be improved, and further, the display effect of the display panel can be improved.

The invention discloses a method and equipment for a temperature compensation full-automatic test of an inertia measurement assembly. The equipment comprises a base, two support frames, two transverse rotating shafts, an incubator, a fixing seat, a longitudinal rotating shaft, a placement table facet, a temperature control cabinet, a driving device, an inertia measurement assembly testing device and a processing unit, wherein the two support frames are arranged on the base; the two transverse rotating shafts are arranged on the two support frames; the left end and the right end of the incubator are respectively connected with the two transverse rotating shafts; the fixing seat is fixedly arranged on the inner wall of the incubator; the longitudinal rotating shaft is arranged on the fixing seat; the placement table facet is fixedly connected with the longitudinal rotating shaft and used for mounting the inertia measurement assembly; the temperature control cabinet is connected with the incubator; the driving device is connected with both the two transverse rotating shafts and the longitudinal rotating shaft; the inertia measurement assembly testing device is connected with the inertia measurement assembly through a CAN bus; the processing unit is connected with the temperature control cabinet, the driving device and the inertia measurement assembly testing device. The full-automatic temperature compensation test of the inertia measurement assembly performed by adopting the equipment provided by the invention has the advantages that the process is automatic, parameters are calculated automatically, the compensation efficiency is high, the reliability is high, and the compensation precision is high.

The invention discloses a silicon-based photoelectric integrated chip device and a transmitting system with the device, and the device comprises: an on-chip integrated electro-optical modulator whichis used for receiving an input light source and modulating an input electric modulation signal into an optical signal; an on-chip integrated optical filter which is used for filtering the modulated optical signal from the on-chip integrated electro-optical modulator and outputting the modulated and filtered optical signal; and at least one on-chip integrated optical coupler which is used for outputting the modulated and filtered optical signal. The on-chip integrated optical filter is adopted to roughly compensate the bandwidth of the transmitting system, and the on-chip integrated electro-optical modulator is adopted to finely compensate, so that the bandwidth compensation efficiency is improved, the signal-to-noise ratio is improved, the size of the device is reduced, and the manufacturing cost is reduced.

Disclosed is a grass protection mat comprising a body where grass passing spaces are continuously arranged and an outer frame comprising four frames formed in four directions to finish an outer edge of the body, wherein the grass protection mat further comprises at least one hook fastener which horizontally protrudes from a first lateral frame of the outer frame toward a second lateral frame of an outer frame of a neighboring grass protection mat, and wherein the at least one hook fastener is fastened to at least one fastening hole provided in the outer frame of the second grass protection mat adjacent to the first lateral frame and corresponding to the hook fastener of the grass protection mat.

The embodiment of the invention discloses a multi-mode image truncation compensation method and device, computer equipment and a medium. The method comprises the steps of obtaining a first imaging mode image and a second imaging mode image with truncation artifacts; and inputting the first imaging mode image and the second imaging mode image into the image truncation compensation model to performtruncation compensation on the second imaging mode image. According to the embodiment of the invention, the obtained medical images of multiple modalities are input into the pre-trained image truncation compensation model at the same time, so that the compensated result image of the image with the truncation artifact is obtained, and the problem that the image with the truncation artifact cannot be quickly and accurately compensated in the prior art is solved; according to the structural similarity between multi-mode images, the image with the truncation artifact can be quickly and accuratelycompensated, and the image compensation efficiency is improved.