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69results about How to "The adjustment result is accurate" patented technology

Display panel gamma curve adjusting method and device

The invention discloses a display panel gamma curve adjusting method and device; the method comprises the following steps: sampling images for the display panel when the common electrode voltage of the display panel is a preset voltage, thus obtaining sample images of different color channels; respectively measuring an output brightness value of each sample image; calculating the present gamma value of the display panel according to the output brightness value of each sample image; finally, when the difference between the present gamma value and a preset gamma value is greater than a preset error threshold, calculating a compensation value of the present gamma curve of the display panel according to the difference, and adjusting the present gamma curve of the display panel according to thecompensation value. The method can measure the real gamma curve value without searching the optimal gamma voltage algorithm and detecting a gamma chip, thus reducing the gamma curve adjusting time inthe panel production process, more accurately adjusting the panel gamma curve, and greatly improving the display panel production efficiency.
Owner:HKC CORP LTD +1

Pesticide spraying method and system

The invention discloses a pesticide spraying method and system. The method comprises the steps that the actual wind speed of flight position of an airplane is obtained; the position of the airplane is obtained, wherein the position of the airplane comprises the flight height and latitude and longitude coordinates of the airplane; the actual landing point of pesticide is calculated according to the actual wind speed and the position of the airplane; the actual landing point of the pesticide is the actual landing position of the pesticide affected by wind power; the landing point offset of the pesticide is calculated according to the actual landing point of the pesticide, wherein the landing point offset of the pesticide is the deviation of the actual landing point relative to a planned landing point, and the planned landing point is the position where the pesticide landed under the windless condition; a flight path of the airplane is adjusted according to the landing point offset of the pesticide, and the landing point offset of the pesticide is smaller than a set threshold value. According to the technical scheme, by means of the mode of calculating the effect of wind so as to change the flight path, it is guaranteed that the pesticide can land on a predetermined region, and waste of the pesticide is reduced.
Owner:JIANGXI TIANXIANG GENERAL AVIATION CO LTD

Pressure control method of hydrogen production system and hydrogen production system

PendingCN113604840AImprove pressure control efficiencyImprove controlElectrolysis componentsSystem pressureProcess engineering
The invention discloses a pressure control method of a hydrogen production system and the hydrogen production system, and is applied to the technical field of hydrogen preparation, wherein the pressure control method comprises the steps: after acquiring a parameter value variable quantity of a target electrical parameter and a pressure difference value between a current system pressure and a preset pressure threshold value, determining a first regulating quantity according to the parameter value variable quantity; and determining a target regulating quantity based on the first regulating quantity and the pressure difference value, and finally regulating the system pressure of the hydrogen production system according to the target regulating quantity. The target electrical parameter is related to the hydrogen production power of the hydrogen production system, the system pressure of the hydrogen production system can be directly influenced by the hydrogen production power fluctuation, and the pressure change occurs after the hydrogen production power fluctuation, so that the regulating quantity can be determined in advance before the hydrogen production power finally influences the change of the system pressure, the pressure control efficiency is effectively improved, the energy consumption is reduced, and the control effect is improved.
Owner:阳光氢能科技有限公司

Tool setting device

The invention discloses a tool setting device. A first height adjusting block and a second height adjusting block are arranged in a knife adjusting body, and the first height adjusting block and the second height adjusting block are in contact with each other through a slope; the second height adjusting block is provided with a tool clamping clamp, wherein the tool clamping clamp is used for clamping a lathe tool, the adjusting device is used for adjusting the position of the first height adjusting block to enable the first height adjusting block to move transversely, the first height adjusting block drives the second height adjusting block through the contact of the first inclined surface and the second inclined surface, the inner wall of a cutter adjusting body is used for transversely limiting the second height adjusting block, the second height adjusting block moves upwards, the tool clamping clamp drives a turning tool to move upwards along with the second height adjusting block to be equal to the rotating axis of the main shaft of a numerical control lathe, and the tool setting work is realized. According to the tool setting device, an inclined surface sliding block mechanismis used as a precise tool setting device of a tool height adjusting mechanism, so that the tool height error is reduced, the machining precision is improved, and the great significance is provided for guaranteeing the machining quality of parts.
Owner:SUZHOU INST OF INDAL TECH

Structure for adjusting separation distance of knocking-over bars of two-needle-bar warp knitting machine

The invention discloses a structure for adjusting a separation distance of knocking-over bars of a two-needle-bar warp knitting machine. Looping parts of the two-needle-bar warp knitting machine include a swing shaft, a swing shaft seat, a swing arm and the knocking-over bars. The knocking-over bars are installed on the swing shaft seat, the swing arm is installed on the swing shaft, the swing shaft is fixed to the swing shaft seat, and the swing shaft seat is fixed to a box body. The structure for adjusting the separation distance of the knocking-over bars comprises a support, a seat board, a lead screw, a graduated disc, a handle and a pointer and is characterized in that the handle is connected with the lead screw, one end of the lead screw is installed on the support through a lead screw nut, the other end of the lead screw is connected with a seat plate, the graduated disc is fixed to the seat late, and the separation distance of the knocking-over bars can be known through the graduated disc and the pointer. The seat plate is fixed to the swing shaft seat along a needle bed in a full-width transverse spanning mode, and the support is arranged on one side of the swing shaft seat and fixed to the box body. The structure for adjusting the separation distance of the knocking-over bars is driven by adopting a screw mechanism, converts rotating motion of the lead screw into linear motion and is simple in structure, convenient to operate and high in working efficiency.
Owner:FUJIAN XIN GANG TEXTILE MACHINERY

Photovoltaic cell panel night cleaning scheme automatic generation method based on visual perception

InactiveCN112232532AGood nighttime dirty cleaning jobWill not affect power generationCharacter and pattern recognitionDesign optimisation/simulationCells panelProcess engineering
The invention provides a photovoltaic cell panel night cleaning scheme automatic generation method based on visual perception, and the method comprises the steps: collecting a photovoltaic cell panelimage in the evening and the morning of the next day through an unmanned plane; processing the cell panel images to obtain the dirt level and the dirt distribution condition of each cell panel and thedirt distribution conditions of all the cell panels, and establishing a cleaning model according to the dirt level corresponding to the images collected in the morning, the dirt distribution condition of each photovoltaic cell panel and the overall dirt distribution conditions of all the cell panels; and then obtaining evaluation coefficients according to information such as dirt grades and dirtdistribution obtained by processing the battery panel images collected at dusk and morning, and adjusting the cleaning model according to the evaluation coefficients to obtain the cleaning speed, therotating brush rotating speed and the cleaning times of the cleaning robot. The related parameters of the cleaning robot can be adjusted according to the cleaning effect of the cleaning robot, so thatthe cleaning effect of the cleaning robot is better.
Owner:孙猛猛

Simple VR mobile phone box

The invention discloses a simple VR mobile phone box, including a box body, a pupil distance adjusting mechanism and a cover plate. A rear part of the box body is provided with a mobile phone placinggroove, the box body is provided with observation windows, the box body is rotatably connected with the cover plate, the box body is provided with fixed holes, the pupil distance adjusting mechanism includes a transverse support, sliding blocks, ball screws and mirror frames, the transverse support is mounted in the box body, the sliding blocks are arranged on the transverse support and are slidably connected with the transverse support, an upper end face of each sliding block is fixedly provided with the mirror frame, the position of the mirror frame corresponds to the observation window, each ball screw includes a nut and a screw, the nut is fixedly mounted in the fixed hole, and one side of each sliding block, which faces an inner wall of a side face of the box body, is fixedly connected with the screw. When a user uses the VR mobile phone box, focal length can be adjusted according to the need, and thus an adjustment result of the focal length is more accurate. At the same time, when the user does not use the VR mobile phone box, an effect of protecting the mirrors can be achieved, and the service life of the box is prolonged.
Owner:成都众鑫聚合科技有限公司

Color consistency adjusting method for real-time video fusion

The invention relates to a color consistency adjustment method for real-time video fusion, and the method comprises the steps: (1) respectively carrying out geometric intersection calculation of a three-dimensional model for adjacent cameras through employing respective camera view cones, solving a common three-dimensional overlapping patch, and further calculating a two-dimensional projection region of the common three-dimensional overlapping patch in a corresponding image; (2) for all cameras, constructing a camera topology according to a projection area proportion relationship, and performing optimization adjustment on all camera pictures in the topology by using a chain type adjustment strategy of a color histogram to obtain an overall visual effect with consistent colors; and (3) dueto the limitation of computing resources, indicating color consistency cannot be quickly carried out on all camera pictures, so that real-time color consistency optimization scheduling is provided onthe basis of the step (2). Color consistency textures can be provided for virtual-real fusion based on video projection, a high-quality texture grid without visual splicing seams is generated, and themethod can also be used for improving the image/video splicing effect.
Owner:北京大视景科技有限公司

Industrial operational six-degree-of-freedom series robot

InactiveCN108274449AThe adjustment result is accurateImprove the effect of teaching demonstrationProgramme-controlled manipulatorAir pumpFeedback control
The invention discloses an industrial operational six-degree-of-freedom series robot. The industrial operational six-degree-of-freedom series robot comprises a drive tank, a base and a separation tank; a mounting frame is arranged on the side face of the interior of the drive tank; a pump seat is arranged on the upper portion of the mounting frame and provided with a Y-direction air pump; a Y-direction push rod is arranged at the end of the Y-direction air pump; displacement sensors are arranged on the outer side of the middle of the Y-direction push rod; a sealing tank is arranged at the endof the Y-direction push rod; and a motor seat is arranged on the bottom face of the interior of the sealing tank. According to the industrial operational six-degree-of-freedom series robot, the threedisplacement sensors are arranged, displacement of clamping claws in the X direction, the Y direction and the Z direction can be automatically adjusted to the preset value by means of a feedback control loop formed by the displacement sensors, a control host, an X-direction air pump, the Y-direction air pump and a Z-direction air pump,, a traditional manual operating and adjusting mode is replaced, adjustment results are accurate, the teaching demonstration effect is improved, and the robot can be utilized and popularized widely advantageously.
Owner:WUHU HAILIAN MACHINERY INSTALLATION

Method, system and device for adjusting data sending rate

The embodiment of the invention provides a method, a system and a device for adjusting a data sending rate, and relates to the field of data processing. The method comprises the steps of under the condition that network congestion occurs in connection between a sending terminal and a receiving terminal, determining the congestion position where the network congestion occurs in the connection, determining the calculation mode of a sending window value based on the congestion position, and the sending window value is characterized in that the sending terminal calculates the sending window value through a highest rate of connecting transmitting data based on a determined calculation mode, and sends the sending window value to the sending terminal, so that the sending terminal adjusts the sending rate of sending data through the connection based on the sending window value. By applying the method provided by the embodiment of the invention, the accuracy of adjusting the data sending rate can be improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Air pressure regulator for air compressor

The invention discloses an air pressure regulator for an air compressor. The air pressure regulator comprises a rectangular cylinder body; a diaphragm, a connecting rod and a spiral spring are arranged in the cylinder body; the bottom of the cylinder body is provided with an air inlet; the air inlet is communicated with the air compressor; the diaphragm is horizontally clamped to the wall of the cylinder body and is arranged right above the air inlet; the top of the diaphragm is provided with a first disk in an attaching touch manner; the middle of the first disk is connected with the connecting rod; the connecting rod is horizontally provided with a second disk opposite to the first disk; the second disk is arranged in the cylinder body; the spiral spring is abutted against between the first disk and the second disk; the connecting rod penetrates through the top of the cylinder body; two ends of the top of the connecting rod are provided with moving contacts; fixed contacts are arranged below the moving contacts; the moving contacts and the fixed contacts are connected with a power supply. The air pressure regulator aims to solve the problems of complicated control method and inaccurate regulation results of the conventional pressure regulator.
Owner:重庆市合川区均恒金属加工厂

Natural gas intelligent heating system and heating method

The invention provides a natural gas intelligent heating system. The system involves a temperature measuring sensor, a statistical filter, a storage analyzer, a heat calculator, a heat meter and an automatic combustor, wherein the input end of the statistical filter is connected with the output end of the temperature measuring sensor, the input end of the storage analyzer is connected with the output end of the statistical filter, the input end of the heat calculator is connected with the output end of the storage analyzer, the heat meter and the automatic combustor form a closed-loop controlsystem, and the input end of the closed-loop control system is connected with the output end of the storage analyzer. According to the natural gas intelligent heating system, the heat calculator calculates instantaneous heat consumption of a heating building according to a real-time outdoor air temperature measured by the temperature measuring sensor and data information of the heating building, then the instantaneous heat consumption is directly compared with actual output heat of a gas-fired boiler, the output heat of the gas-fired boiler is adjusted in time according to the comparison result, compared with an existing return water temperature control mode, the adjustment basis is more direct, the adjustment time is shorter, heat adjustment at a certain time period and a certain time point can be completed, adjustment is more accurate, and the conditions of output heat adjustment lag, indoor overheating or no heating cannot occur.
Owner:西安瑞行城市热力发展集团有限公司

Automobile data recorder visual angle adjusting method, storage medium and system

The embodiment of the invention provides an automobile data recorder visual angle adjusting method, a storage medium and a system. The automobile data recorder visual angle adjusting method comprisesthe following steps: acquiring a picture shot by an automobile data recorder; extracting a skyline in the picture to obtain the position of the skyline in the picture; and determining a pitching adjustment angle and / or a rolling adjustment angle of the automobile data recorder according to the position and the angle of the skyline in the picture, wherein the pitch adjusting angle is used for making an actuator adjust a pitch angle of the automobile data recorder; and the rolling adjustment angle is used for making the actuator adjust a rolling angle of the automobile data recorder. According to the scheme, the visual angle adjusting method of the automobile data recorder is not affected by automobile types and is wide in adaptability, and an obtained visual angle adjusting result of the automobile data recorder is more accurate.
Owner:BEIJING DIDI INFINITY TECH & DEV

Method for controlling oil film thickness of static pressure workbench based on working condition coefficient method

The invention relates to a method for adjusting and controlling the oil film thickness of a static pressure workbench under time-varying working conditions, and belongs to the field of mechanical engineering. The method avoids the time-varying working condition factors affecting the formation of the oil film thickness, such as the structure size, load, cutting force, oil temperature and viscosityof a workbench; and only a set of motor frequency needs to be set under the current working conditions, the corresponding oil film thickness is measured, and a one-to-one correspondence relation between the motor frequency and the oil film thickness is obtained, so that the average working condition coefficient of the set of data is obtained, a control model between the motor frequency and the oilfilm thickness is established, an oil film thickness target value is substituted into the control model, the motor frequency is inversely calculated, the frequency is the required motor frequency forthe time-varying working conditions, and then the motor is driven at the motor frequency to drive an oil pump to adjust the oil film thickness to the target value. A device of the method has the advantages of simple process, accurate adjustment result, small adjustment error and the like.
Owner:HUBEI UNIV OF TECH
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