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32results about How to "Reduce compensation costs" patented technology

Driving behavior evaluation system

The invention provides a driving behavior evaluation system which comprises a vehicle-mounted intelligent terminal, a cloud server, a mobile client and a management background. The vehicle-mounted intelligent terminal is used to collect and process vehicle data and transmit the data to the cloud server. The cloud server is provided with a driving risk scoring model which periodically calculates and scores driving data. A user views driving behavior evaluation in the account of the user through the mobile client. An insurance company views the driving behavior evaluation and data details of thecorresponding user through the management background. The system provided by the invention can visually detect and evaluate key driving safety factors, prevents risk understanding rule revising caused by indicators used in a guarantee slip, and reduces the claims cost of an insurance company.
Owner:DALIAN ROILAND SCI & TECH CO LTD

Method for positioning underground pipeline and system thereof

The embodiment of the invention relates to a method for positioning an underground pipeline and a system thereof. The method comprises the following steps of: transmitting an electromagnetic wave signal to a wireless radio-frequency positioning marker containing an ID code; receiving a wireless signal which is fed back by the wireless radio-frequency positioning marker and contains the ID code and the underground pipeline information; carrying out checking treatment on the ID code and the underground pipeline information; determining an embedded place name of the wireless radio-frequency positioning marker according to the ID code; determining the embedded concrete position of the pipeline; and determining the trend of the pipeline according to the orientation information of the adjacent wireless radio-frequency positioning marker. The embodiment of the invention also provides a positioning system of the underground pipeline. The positioning method and the positioning system in the embodiment of the invention can realize the accurate positioning of the underground pipeline, find fault points as soon as possible when faults happen, reduce the digging area and the compensation cost,furthermore help maintainers establish the records of maintaining in normal times and overhauling the underground pipeline.
Owner:BEIJING RXG TECH

Calculation and influence evaluation method of geometric error contribution value of motion axis of five-axis machine tool

The invention discloses a calculation and influence evaluation method of a geometric error contribution value of a motion axis of a five-axis machine tool. The method comprises steps of S1, setting astructural parameter q of each motion axis according to a five-axis machine tool structure; S2, acquiring geometric error spins of three translation axes and three rotary axes; S3, calculating and obtaining a geometric error component of each motion axis in a cutter coordinate system; S4, building a motion axis error matrix in a cutter coordinate system, and obtaining a geometric error contribution value of each motion axis; S5, adding geometric error contribution values of all motion axes of the five-axis machine tool so as to obtain a comprehensive cutter position error and a cuter gesture error of the five-axis machine tool; S6, evaluating influence of errors of the motion axes on the five-axis machine tool in all directions, and selecting a motion axis with high influence in each direction of the five-axis machine tool; and S7, calculating a position error influence coefficient and a gesture error influence coefficient of the motion axis, evaluating influence of the motion axes onprocessing accuracy of the five-axis machine tool, and selecting a key motion axis of the five-axis machine tool.
Owner:SOUTHWEST JIAOTONG UNIV

Adaptive precise harmonic compensation method and device based on photovoltaic grid-connected system

The invention discloses an adaptive precise harmonic compensation method based on a photovoltaic grid-connected system. The method comprises the following steps: detecting output current and an outputvoltage on an AC side of a photovoltaic grid-connected inverter when the photovoltaic grid-connected inverter works at a maximum power tracking point; detecting the remaining capacity of the photovoltaic grid-connected inverter, judging the active power flow directions of different subharmonics, and formulating a compensation strategy; adaptively outputting a to-be-compensated component switch on-off signal according to the remaining capacity of the photovoltaic grid-connected inverter; and achieving precise harmonic compensation by using a repeated double closed-loop controller according tothe switch on-off signal. According to the adaptive precise harmonic compensation method disclosed by the invention, the remaining capacity of the inverter is dynamically tracked according to the external illumination changes, the compensation cost of the photovoltaic inverter can be effectively reduced, and the distortion rate of the grid side harmonics is maximally reduced while making full useof the limited remaining capacity of the photovoltaic grid-connected inverter.
Owner:CENT SOUTH UNIV

Intelligent recyclable express package box

The invention provides an intelligent recyclable express package box which comprises a box body, a safety air bag, sealing rubber strips, a fast lock, a box cover, an RFID (radio frequency identification device) chip and two-dimensional codes, the safety air bag is fixedly mounted in the box body and completely covers the inner surface of the box body, the long edge of one side of the box cover is fixedly mounted at an opening of the box body through hinges, the sealing rubber strips are fixedly mounted at the opening of the box body and an opening of the box cover respectively, a fixed end of the fast lock is mounted on the box cover, a lock catching end is fixedly mounted on the box body, and the RFID chip is fixedly mounted at the top of the box cover. The express package box has excellent mechanical property and has the advantages that the express package box is shockproof, waterproof, moisture-proof and resistant to extrusion and can be stacked and machined again in a melted manner after damage, and the like.
Owner:THE INST OF AUTOMATION HEILONGJIANG ACADEMY OF SCI

A wind power cooperative game climbing control method and device

The embodiment of the invention provides a wind power cooperative game climbing control method and device, and the method comprises the steps: providing a field group complementarity evaluation indexaccording to the active power deviation of a wind power field group; By utilizing complementary characteristics among the wind power plants and combining a field group control mode, providing field group climbing control based on complementarity; Constructing a payment function according to deviations between the wind power plant output and the output adjustment amount and between the actual windpower plant output and the planned value; Selecting different game strategies for the wind power plant, and providing a calculation method of the wind power plant adjustment amount in a climbing event; And according to the field group complementarity evaluation index and the payment function, based on a cooperative game mode, establishing a cooperative game mechanism to guide the wind power plantto participate in field group climbing control. The completion degree of the wind power plan of the field group can be improved when the climbing event occurs, the paid compensation cost of each windpower plant is reduced, and the wind power plant income is improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

A harmonic decomposition-based on-machine pitch error compensation method for large gear hobbing

The present invention discloses a harmonic decomposition-based on-machine pitch error compensation method for large gear hobbing, and belongs to the technical field of gear mechining error compensation for a numerical control gear hobbing machine. First, an on-machine measurement system of the numerical control gear hobbing machine is used to perform on-machine measurement of a pitch accumulated error to a large gear containing an allowance for machining to obtain pitch accumulated error curve of each tooth; then an amplitude spectrum and a phase spectrum of the pitch accumulated error curve are calculated through discrete Fourier transform; error compensation is calculated through the obtained amplitude spectrum and the phase spectrum; and finally the compensation is input into the numerical control system in the form of a work program or a compensation signal; and the instantaneous transmission ratio between a hobbing cutter and the workpiece is adjusted through engagement relationship between the hobbing cutter and the workpiece so as to realize on-machine compensation of the gear pitch error.
Owner:XIAN TECH UNIV

Exposure pattern compensation method, exposure pattern compensation device and exposure equipment

The invention provides an exposure pattern compensation method, an exposure pattern compensationdevice and exposure equipment, and relates to the field of display panel manufacturing. The method, thedevice and the equipment are used for solving the problem of high cost during the TP deign value and practical value difference reduction of the color film base plate exposure pattern in a mask platereplacing mode in the prior art. The compensation method comprises the following steps of compensating the original design coordinate of a work table relative to a mask plate according to at least onefirst measurement dimension, corresponding second measurement dimension, the corresponding design dimension and the threshold value work coefficient, so that the compensation design coordinate of thework table relative to the mask plate can be obtained; controlling the movement of the work table relative to the mask plate according to the compensation design coordinate. The first measuring dimension is the exposure pattern dimension measured after the formation of the exposure pattern; the second measurement dimension is the dimension of the exposure pattern measured after the formation of other patterns on the substrate base plate; the design dimension is the design dimension of the exposure pattern.
Owner:BOE TECH GRP CO LTD +1

Beveled-end steel railroad

A beveled-end steel railroad. The use of small-acute-angle oblique-gap connection design and vertical gap reservation design can solve both the problem of impact between wheels and rails and the problem of thermal stress between steel rails. The design containing both beveled ends and flat ends that are complementary to each other can further greatly reduce railroad construction and reformation costs. The beveled-end steel railroad has a simple structure, is secure, reliable, and durable, can provide a fast, stable, and non-noisy driving effect, can implement highly-efficient and energy-saving operation, is easy to construct and reform, can be easily repaired and maintained, has a significant advantage in costs, and can implement both good performance and good profitability.
Owner:YU HUI

Intelligent hotel logistics washing and distributing system

The invention discloses an intelligent hotel logistics washing and distributing system. The system comprises a system management platform, a data transmission service module and a user terminal module, wherein the system management platform comprises a communication interface module, an application management module and a system bottom layer interface module. Unified management is achieved by integrating software matching of hotels, logistics and washing plants, management is standardized, similar cost investment is reduced, the hotels, washing companies and logistics companies are subjected to seamless joint, the work efficiency is greatly improved, the system has high expandability, can be matched with monitoring management, visual operation is achieved, and the system has wider application prospect.
Owner:孟祥俊

IQ imbalance adaptive blind compensation method and system based on circulation

ActiveCN111416783AImprove robustnessSolve problems with varying degrees of imbalanceCarrier regulationMultiple carrier systemsControl theoryBaseband
The invention belongs to the technical field of communication, and relates to a cycle-based IQ imbalance adaptive blind compensation method which comprises the following steps of: receiving an I-pathsignal x (n) and a Q-path signal x (n) which have been imbalanced, and intercepting a discrete signal with a certain length; setting a stepping coefficient; performing conjugate processing on the received signal x (n) to obtain x * (n); processing the received signal x (n) to obtain a compensated output signal y (n) = x (n) + w (n) x * (n), wherein w (n) is a compensation coefficient; introducinga stepping coefficient and smoothing the compensation coefficient w (n), obtaining the compensation coefficient w (n) required by the system in a loop iteration mode, and further obtaining a compensated output signal y (n). The IQ imbalance adaptive blind compensation method of the present invention can be operated in any quadrature receiver settings, regardless of a single channel or multiple channels, and irrespective of any specific structure or characteristics of an ideal baseband equivalent signal. The invention further provides an IQ imbalance self-adaptive blind compensation system based on circulation.
Owner:SOUTH CHINA UNIV OF TECH

Logistics supply chain management device with automatic sorting function

The invention discloses a logistics supply chain management device with an automatic sorting function, and relates to the field of logistics management. By aiming at solving the problem that an existing logistics supply chain does not have automatic sorting and discharging protection functions, the following scheme is provided: the logistics supply chain management device comprises a sorting table which is arranged in a rectangular-ambulatory-plane shape, conveying rollers with the same structure are rotationally mounted on the inner wall of the sorting table at equal intervals, a mounting frame is fixedly mounted at the top end of the sorting table, a driving motor is fixedly mounted on the mounting frame, an output shaft of the driving motor is fixedly connected with a vertically-arranged gear disc, a supporting rod is slidably mounted on one side of the mounting frame, and a scanner is fixedly mounted on the side, away from the mounting frame, of the supporting rod. The device is novel in structure, the sorting efficiency of a logistics supply chain can be effectively improved, the logistics management cost is reduced, meanwhile, objects on the logistics supply chain can be effectively buffered and protected, the objects are prevented from being damaged, and the device is suitable for application and popularization.
Owner:中通服供应链管理有限公司

A nonlinear compensation method and an optical carrier wireless communication system

The invention provides a nonlinear compensation method and an ROF system. The method comprises the steps that an RRU obtains a first input training signal; The RRU inputs the first input training signal into a feedback link; The DPD processing unit obtains a first output training signal output from the feedback link; The DPD processing unit determines nonlinear characteristics of the feedback linkaccording to the first input training signal and the first output training signal; And the DPD processing unit performs nonlinear compensation on the feedback link according to the nonlinear characteristic of the feedback link. According to the non-linear compensation method provided by the embodiment of the invention, the non-linear characteristic of the feedback link in the ROF wireless transmitter can be obtained in advance, and the non-linear characteristic of the feedback link is compensated in advance. And then, the real nonlinear characteristic of the downlink can be obtained, so thatthe real nonlinear characteristic of the downlink can be compensated in advance, the linearization of the ROF system is realized, and the system performance can be improved.
Owner:HUAWEI TECH CO LTD

Grounding disc device used for concrete telegraph pole

The invention relates to a grounding disc device used for a concrete telegraph pole. The grounding disc device is constituted by a bottom plate, supporting columns disposed on the bottom plate, and fixed hoop connected with the top ends of the supporting columns. The grounding disc device is characterized in that the supporting columns are disposed on the periphery of the bottom plate, and the adjacent supporting columns are parallely arranged; the size of the bottom plate is cooperated with the size of the fixed hoop, and the fixed hoop is connected with a grounding disc lead. By adopting the grounding disc device, the damage on the road surface can be reduced, and the compensation costs can be greatly reduced. Under the same topographical and geological condition, the grounding resistance value of the grounding disc is lower than that of the grounding tube, and the low lightning current back flashover voltage can be reduced, and then the lightning resistant level of the line can be improved, and the power failure accident can be reduced. The construction operation intensity of the workers can be greatly reduced, and the construction quality can be guaranteed, and therefore the object of improving the working efficiency can be achieved.
Owner:上海市南供电设计有限公司 +1

Method and device for correcting exposure pattern, and exposure equipment

The invention provides an exposure pattern compensation method, an exposure pattern compensationdevice and exposure equipment, and relates to the field of display panel manufacturing. The method, thedevice and the equipment are used for solving the problem of high cost during the TP deign value and practical value difference reduction of the color film base plate exposure pattern in a mask platereplacing mode in the prior art. The compensation method comprises the following steps of compensating the original design coordinate of a work table relative to a mask plate according to at least onefirst measurement dimension, corresponding second measurement dimension, the corresponding design dimension and the threshold value work coefficient, so that the compensation design coordinate of thework table relative to the mask plate can be obtained; controlling the movement of the work table relative to the mask plate according to the compensation design coordinate. The first measuring dimension is the exposure pattern dimension measured after the formation of the exposure pattern; the second measurement dimension is the dimension of the exposure pattern measured after the formation of other patterns on the substrate base plate; the design dimension is the design dimension of the exposure pattern.
Owner:BOE TECH GRP CO LTD +1

Corrosion-free conductive resistance-reducing material and its maintenance-free grounding device

The invention discloses a non-corrosive electricity conduction and resistance reduction material and a maintenance-free grounding device comprising the non-corrosive electricity conduction and resistance reduction material. The non-corrosive electricity conduction and resistance reduction material is mainly composed of raw material asphalt, graphite or / and calcined coke and cement. The maintenance-free grounding device comprising the non-corrosive electricity conduction and resistance reduction material comprises 4-8 grounding electrodes which are horizontally arranged or vertically buried under the ground. The grounding electrodes are mutually connected through metal grounding down leads and horizontal metal grounding bodies to form a metal grounding looped network. Each grounding electrode comprises a metal grounding body and a non-corrosive electricity conduction and resistance reduction material layer, wherein the thickness of the non-corrosive electricity conduction and resistance reduction material layer is 30-45 millimeters, and the use amount of the non-corrosive electricity conduction and resistance reduction material wrapped around the outer surface of every one-meter long portion of the metal grounding body is 6-8 kilograms. The metal grounding down leads, the horizontal metal grounding bodies and the metal grounding bodies are connected in a welded mode. By means of the technical scheme of the non-corrosive electricity conduction and resistance reduction material and the maintenance-free grounding device comprising the non-corrosive electricity conduction and resistance reduction material, the corrosion problem of an existing grounding device can be solved effectively.
Owner:郑州市永逸降阻材料有限公司

A Harmonic Control Method for Grid-connected Photovoltaic Inverter

The invention discloses a harmonic suppression method for a grid-connected photovoltaic inverter. The harmonic suppression method comprises the steps of performing evaluation on power grid impedance to obtain a power grid impedance estimation value; detecting the voltage of a power grid, and separating out a grid side harmonic voltage component from the voltage of the power grid; obtaining a grid side harmonic current estimation value according to the ratio of the grid side harmonic voltage component to the power grid impedance estimation value; taking a superposition value of the grid side harmonic current estimation value and an inverter side harmonic current as a current control instruction value; performing repeated control on the difference value between the current control instruction value and the inverter side output current, and overlaying with the voltage of the power grid to obtain a modulation wave signal; and performing compensation on the harmonic current in the power grid through closed loop control according to the modulation signal. The harmonic suppression method provided by the embodiment, without requiring a current transformer and an active filter in the power grid system, has good harmonic compensation effect and low compensation cost.
Owner:YUNNAN POWER GRID

Calculation and impact assessment method of geometric error contribution value of motion axis of five-axis machine tool

The invention discloses a calculation and influence evaluation method of a geometric error contribution value of a motion axis of a five-axis machine tool. The method comprises steps of S1, setting astructural parameter q of each motion axis according to a five-axis machine tool structure; S2, acquiring geometric error spins of three translation axes and three rotary axes; S3, calculating and obtaining a geometric error component of each motion axis in a cutter coordinate system; S4, building a motion axis error matrix in a cutter coordinate system, and obtaining a geometric error contribution value of each motion axis; S5, adding geometric error contribution values of all motion axes of the five-axis machine tool so as to obtain a comprehensive cutter position error and a cuter gesture error of the five-axis machine tool; S6, evaluating influence of errors of the motion axes on the five-axis machine tool in all directions, and selecting a motion axis with high influence in each direction of the five-axis machine tool; and S7, calculating a position error influence coefficient and a gesture error influence coefficient of the motion axis, evaluating influence of the motion axes onprocessing accuracy of the five-axis machine tool, and selecting a key motion axis of the five-axis machine tool.
Owner:SOUTHWEST JIAOTONG UNIV

A control method and system for improving the accuracy of laser dynamic cutting coil material

The present invention relates to the field of laser processing, and in particular to a control method and system for improving the accuracy of laser dynamic cutting coil materials. The control method includes the steps of: setting the dimensional tolerance of the workpiece; The position error between the outer contour and the inner contour is compared with the dimensional tolerance; according to the comparison result, the compensation operation is used to selectively compensate the workpiece based on the processing path to eliminate the position error, and the outer contour of the workpiece that has been dynamically cut Measure the position error with the internal contour, and compare the position error with the dimensional tolerance, and then according to the comparison result, the machining path of the workpiece can be compensated to eliminate the position error. The control method measures the position error of the workpiece that has been dynamically cut, and selectively compensates the subsequent cutting according to the measurement result, thereby effectively reducing the compensation cost and improving user experience.
Owner:HANS LASER TECH IND GRP CO LTD +1

A wind power cooperative game climbing control method and device

The embodiment of the invention provides a wind power cooperative game climbing control method and device, and the method comprises the steps: providing a field group complementarity evaluation indexaccording to the active power deviation of a wind power field group; By utilizing complementary characteristics among the wind power plants and combining a field group control mode, providing field group climbing control based on complementarity; Constructing a payment function according to deviations between the wind power plant output and the output adjustment amount and between the actual windpower plant output and the planned value; Selecting different game strategies for the wind power plant, and providing a calculation method of the wind power plant adjustment amount in a climbing event; And according to the field group complementarity evaluation index and the payment function, based on a cooperative game mode, establishing a cooperative game mechanism to guide the wind power plantto participate in field group climbing control. The completion degree of the wind power plan of the field group can be improved when the climbing event occurs, the paid compensation cost of each windpower plant is reduced, and the wind power plant income is improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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