40results about How to "Less measuring work" patented technology

The present invention provides a three-dimensional model processing method, a server and a computer readable storage medium. The objective of the invention is to improve the efficiency in the processes of design, installation and maintenance of a device. The method comprises: obtaining the first three-dimensional model of a distributed energy station through a server; obtaining attribute information, operation information and space attribute information of each device included in the first three-dimensional model through the server; storing the attribute information, operation information and space attribute information of each device and the first three-dimensional model in a database through the server; and performing optimization of the first three-dimensional model through the server to generate a three-dimensional model file capable of being identified and applied in an AR / VR terminal device.

The invention provides a method and device for measuring the spatial distribution of crop plant heights through unmanned plane remote sensing, and the method comprises the steps: obtaining an image sequence, collected by an airborne image sensor of an unmanned plane, of a target region; obtaining the POS information of photographing positions of all images in the image sequence; building a conversion relation between the image plane coordinates and physical coordinates according to the POS information; respectively building a DSM (digital surface model), comprising crop canopy information, of a crop coverage region in the target region and a BSM (basic surface model), corresponding to the bottom of crops, of the target region according to the image sequence and the conversion relation; and obtaining the spatial distribution of the crop plant heights in the target region according to the DSM and BSM. The method can obtain the large-area crop plant heights of a crop region under the condition of complex farmlands through employing the flexible maneuvering characteristics of unmanned plane remote sensing, and can solve problems that manual observation takes points as a plane, consumes a large amount of manpower and a large number of material resources, is severely affected by the subjectivity of a person, and is not consistent in data precision.

The invention discloses a paging processing method, device and a paging system. The paging processing method disclosed by the invention comprises the following steps: a base station receives the length of a paging transmission window (PTW) sent by a mobile management entity (MME), and the length of the PTW is determined by the MME according to the paging configuration information sent by the base station, wherein the paging configuration information is received by the base station and is sent to the base station by user equipment (UE); the base station determines the number of continuous SFNs served as each paging frame (PF) in the PTW and the interval between two adjacent PFs according to the paging configuration information and the length of the PTW; the base station sends an information transmission message to the UE, and the information transmission message contains the length of the PTW, the number of the continuous SFNs served as each PF in the PTW, and the interval of two adjacent PFs. According to the paging processing method, device and the paging system disclosed by the invention, a paging mechanism in NB-IOT is reasonably designed to ensure that the power consumption of the UE can be reduced under the premise of guaranteeing the reliability of the paging message received by the UE.

A method and apparatus for measuring the wheel alignment of a vehicle on a production line. In the measuring method, a wheel hub (55) having a plurality of hub bolts (56) for mounting a wheel to is rotated while displacements of the hub bolts are measured with displacement measuring sensors (73, 74). The wheel alignment is measured by calculating an angle of inclination (theta) of the wheel hub on the basis of the measured displacements of the hub bolts.

The embodiment of the invention discloses a cell handover control method and apparatus, a storage medium, and a mobile terminal. The method comprises the following steps: when it is detected that a different system cell handover event is triggered, judging whether the terminal is currently in an emergency call state; if the terminal is currently in the emergency call state, judging whether candidate handover cells support an emergency call function; if not, discarding an operation of measuring performance parameters of the candidate handover cells; if so, measuring the performance parameters of the candidate handover cells, and reporting a measurement result to a network side when it is detected that a set condition is satisfied currently; and receiving a target handover cell determined bythe network side from the candidate handover cells of the measurement result, and switching to the target handover cell. By adoption of the technical scheme provided by the embodiment of the invention, the cell switched in the emergency call state is a cell supporting the emergency call function, the continuity of the emergency call of the terminal is ensured, and the accuracy and efficiency of cell handover are improved.

The invention discloses a remote sensing detection method for ecological restoration of karst abandoned mines. The remote sensing detection method for ecological restoration of the karst abandoned mine comprises the following steps: S1, selecting a preset number of check points; S2, comparing a terrain data change map with a topographic map database according to a remote sensing surveying and mapping technology, and judging whether the new map needs to be wholly updated or partially updated; S3, according to coordinates obtained through remote sensing surveying and mapping, obtaining an objectspace adjustment value of the check point through least square adjustment; and S4, calculating the residual errors of the object space coordinate of the check point and the object space adjustment value in the X direction and the Y direction. According to the method, an existing information database is perfected, a real-time and effective method of the topographic map database is achieved, automatic comparison is conducted between a high-resolution remote sensing surveying and mapping technology and the existing topographic map database, changes of ground objects are detected, the labor intensity is reduced, and the updating rate is high.

The invention discloses a real-time measuring device and system for the runoff sediment content. The real-time measuring device for the runoff sediment content comprises a plurality of integrated detecting heads and a collecting box. The multiple integrated detecting heads are used for being placed at different liquid levels of the same section of runoff correspondingly to measure the runoff flowing speed and the sediment concentrations of the different liquid levels of the same section. The collecting box is provided with a collecting analyzing assembly which is electrically connected to themultiple integrated detecting heads. The multiple integrated detecting heads are placed at the different liquid levels of the same section of the runoff, and all the integrated detecting heads can measure the sediment concentrations of the liquid levels. The sediment concentration of the whole runoff can be obtained through the sediment concentrations of the multiple liquid levels. The sediment discharge per unit time can be obtained through the runoff flowing speed, the sediment concentration, the liquid levels and the runoff width. The sediment concentration and the sediment discharge reflect the sediment content of the runoff, that is, the runoff sediment content is measured, measuring work is reduced greatly, and the measuring cost is saved.

The invention discloses a simple measurement setting-out method, which includes the steps: (a), connecting a facade 0-degree line of vertical equipment; (b), determining a horizontal projection position of the 0-degree line; (c), adjusting and aligning light emitted from a light source with an optional first point on the facade 0-degree line, allowing light emitted from a calibrating light source of a thread guide to irradiate a housing of the vertical equipment, and forming a second point and a third point; (d), measuring the length of a first arc between the first point and the second point and the length of a second arc between the first point and the third point, moving the thread guide until a numeric difference between the first arc length and the second arc length is between 0.5mm-1.2mm, and marking the position of the thread guide; (e), placing a support at the marked position of the thread guide and leveling; (f), placing the thread guide on the support and leveling; (g), moving the thread guide and repeating the step (c) and the step (d), rotating the light source towards the ground where the equipment is mounted, and selecting a plurality of points on the ground. By the method, measurement difficulty is reduced.

The invention provides a method for simply and rapidly screening sorghum varieties with high emergence rate and in particular discloses a method for simply and rapidly determining elongation of mesocotyl in a sorghum variety, parent or coeno-species. According to the method, seeds subjected to accelerating germination are cultured in dark by utilizing a water culture box with filter paper, the obtained mesocotyl in the sorghum is in an upright state, convenience is brought to subsequent measurement, or the mesocotyl can be directly visually observed and compared, the measurement is completelysaved, and the operating efficiency of the conventional actual onerous operation for screening and measuring the mesocotyl in the sorghum is greatly improved. In addition, due to the water culture andthe method for culturing the mesocotyl in the sorghum in dark, the cycle is short, and the operation is simple, so that relative emergence rate conditions of the sorghum varieties with different genetic backgrounds can be efficiently judged or compared.

The invention discloses a method for building an equivalent diffusion model for a chemical amplification photoresist, in which the effect of the graph distribution density of a mask graph to the diffusion length of the photoresist is taken into consideration, so that a more precise photoresist equivalent diffusion model is built, and the accuracy of simulating results of photoetching parameters is improved. The method comprises the following steps: (1) measuring the photoetching parameters of the photoresist, with a group of different types of testing graphs at different graph distribution densities; (2) calculating the equivalent length of photoresit photoacide to the different types of testing graphs at different graph distribution densities by aerial image simulation; (3) creating a function or table of the equivalent diffusion length of the photoresit photoacide to all types of testing graphs at different graph distribution densities; and (4) selecting an optimal equivalent diffusion length of a graph to be simulated, according to the type and the distribution density of the graph to be simulated.

The invention discloses a method for converting ship three-dimensional data measurement to two-dimensional data measurement based on a coordinate system. The method comprises the following steps: (1) determining a three-dimensional reference; (2) preparing a three-dimensional production station; (3) mounting a three-dimensional reference target; and (4) carrying simulation at a production station. According to the invention, problems can be found in time, later correction time can be shortened in segmented manufacturing time, measurement work and analysis work can be greatly reduced, field production efficiency is improved, and labor cost is reduced.

The invention discloses a circulating fluidized bed boiler performance calculation method based on calcium balance. The method comprises the following steps of analyzing the content of the calcium element in coal as fired, limestone desulfurizing agent, fly ash and slag, based on the principle that the calcium element is conserved in the whole combustion and desulfurization reaction, the coefficient K for representing the desulfurizing agent and fuel is introduced, a calcium balance basic formula is put forward, then through a chemical equivalent relation and a grey balance formula of fuel inthe boiler and the desulfurization reaction, a correlative iterative computation procedure is built, through iterative calculation, the numerical value of the coefficient K is calculated, and the relative amount of the limestone desulfurizing agent which is put into the boiler to be reacted is determined. Through the analysis method, the situation that the mass and flow of the fuel and desulfurizing agent in the boiler are directly measured is avoided, the test uncertainty is lowered, on the basis of using a conventional method for testing the circulating fluidized bed boiler performance, theboiler thermal efficiency can be more accurately calculated, and the utilization rate of the desulfurizing agent is obtained; meanwhile, the desulfurizing recycling value of pulverized ash can be evaluated.

The invention discloses an installation device and an installation method for a spring vibration isolator. The installation device for the spring vibration isolator comprises an angle steel square frame, young and old concrete combined layer reinforcing steel bars, an anti-crack reinforcing steel bar mesh, steel plate embedded parts and short steel bars, wherein the anti-crack reinforcing steel bar mesh is installed in the angle steel square frame; the young and old concrete combined layer reinforcing steel bars penetrate in the anti-crack reinforcing steel bar mesh, and are vertical to the plane where the anti-crack reinforcing steel bar mesh is located; the steel plate embedded parts are located below the angle steel square frame; and the short steel bars are welded on the steel plate embedded parts. The installation method for the spring vibration isolator comprises the following steps: (1) pre-preparing; (2) laying a self-adhesive rubber mat; and (3) installing the spring vibration isolator in place. The materials of the installation device disclosed by the invention are easy to select, the structure is simple, the basic smoothness and the elevation accuracy of the spring vibration isolator can be improved, lots of basic grinding and measurement working carried out due to high errors are reduced, the construction of the spring vibration isolator is accelerated, and the construction period is shortened.

The invention discloses a cableway pipe three-dimensional coordinate controller and a manufacturing method thereof. The controller comprises two flat-iron rings, an anchoring end positioning thin steel pipe, an extension end positioning thin steel pipe, a thin steel plate, multiple round steel hoops, six cableway pipe adjusting bolts, six round steel and multiple framework round steel. The cableway pipe three-dimensional coordinate controller provided by the invention can be used for solving the problem that the traditional cableway pipe is difficult to accurately position; and in the specific construction, the controller can be used for greatly reducing the measuring work as only standard parts need to be prepared, and can ensure the mounting precision. Moreover, for the cableway pipes of different lengths and different positions, only the controllers of different specifications are needed to be manufactured; and the controller utilizes less materials, is low in processing difficulty, and is widely applicable, easy to use and beneficial to site operation and use. Furthermore, the manufacturing method is simple and convenient to operate.

The invention belongs to the technical field of wheel type vehicle sound insulation performance testing, and particularly relates to an analysis method of a vehicle sound insulation weak position based on sound transmission testing, and the method comprises the following steps: step A, arranging a volume sound source in a frequency range of 30-20000HZ in an area where ears of a driver and passengers are located in a vehicle body; B, determining receiving points of all sound transmission paths outside the vehicle body according to the sound source position of the noise, and arranging receivingmicrophones at the receiving points; step C, taking the volume sound source as a reference, testing a sound transfer function ATF = Qa / p of a microphone from the interior of the vehicle to each receiving point, wherein Qa being the volume velocity of the sound source, and p being the sound pressure of the receiving point; and step D, calculating the sound insulation quantity of each receiving point according to the sound transfer function, comparing the sound insulation quantity of each receiving point according to the frequency range of the noise, and determining the receiving point with theminimum sound insulation quantity as the weak point of the sound insulation performance of the vehicle body according to a reciprocity method. According to the scheme, the problem that the weak position of the sound insulation performance of the vehicle cannot be quickly and accurately found in the prior art is solved.

The invention belongs to the field of building steel structures, and particularly relates to an assembled hoisting platform structure and a construction method thereof. The assembled hoisting platform structure is arranged on the bottom face of a building and comprises a plurality of rectangular pipe main beams, the adjacent rectangular pipe main beams are connected through a plurality of rectangular pipe subsidiary beams, and platform laying boards are arranged between the adjacent rectangular pipe subsidiary beams. Round steel hoisting rods are arranged at the two ends of each rectangular pipe main beam and connected with the bottom face of the building through embedded parts. According to the assembled hoisting platform structure and the construction method thereof, the problem that a hoisting point cannot be installed due to deviation of the embedded parts is solved, and construction precision of a hoisting platform is guaranteed; and the assembled structure is adopted, and construction efficiency can be greatly improved.

The invention discloses a method for calculating the ratio of fly ash to large slag based on mercury concentration measurement. The measurement work of the mass flow of fly ash and slag is replaced by the test analysis of the mercury element content of each related substance, and the ash-slag ratio r is determined by adopting a mercury balance basic formula and an iterative calculation method. Based on the method, the measurement work of the fly ash mass flow and the slag mass flow is omitted, the influence of large uncertainty of mass flow measurement is eliminated, the unburned carbon heat loss can be calculated more conveniently and accurately, and the boiler combustion condition can be evaluated more conveniently and accurately. In addition, the recycling value of the fly ash can be further analyzed and evaluated through test analysis data of ash elements.

The present invention discloses an analog carrying measurement method for a ship during the hull section joining process. The method comprises the steps of S10, selecting several reference points on a strong structural position of a broadside rear segment and marking the reference points; S20, measuring the morphological structure of the broadside rear segment and measuring the reference points in the step S10 at the same time to obtain a first batch of measurement values; S30, assembling the broadside rear segment with a bilge part segment, and measuring an L-shaped fracture formed between the broadside rear segment and the bilge part segment with the reference points as a reference to obtain a second batch of measurement values; S40, importing the first batch of measurement values and the second batch of measurement values into a processing software, combining the two batches of measurement values, plotting as required and forming simulated structural drawings; S50, judging whether the size of the L-shaped fracture meets an installation size of a broadside front segment or not based on the simulated structural drawings. According to the invention, the method has fewer measurement steps, and is high in working efficiency.

This invention relates to a measurement and apparatus for automobile road based on the difference of global positioning system and belongs to the field of observe and control. The vehicle to be measured is first to obtain driving state parameter through GPS; then to receive the positioning information signal of a designed point in the testing field from GPS; later to compare the signal with the state parameter to obtain the accurate driving state parameter of the vehicle. The apparatus comprises a signal-receiving circuit for driving state parameter and circuit for measuring errors from GPS of a designed point. The invention reduces the testing cost of vehicle and decreases experiment work amount and measuring intensity, and can replace other apparatus to accomplish complicated measuring test.

The invention provides a channel predication method and device. The channel predication method comprises the steps of obtaining channel impulse responses of two adjacent moments corresponding to a current quasi-static environment, wherein each channel impulse response corresponds to N different paths; obtaining first average power delay spectrum and second average power delay spectrum corresponding to the two channel impulse responses; extracting the channel impulse response on an unchanged path corresponding to the current quasi-static environment according to the first average power delay spectrum and the second average power delay spectrum; obtaining the channel impulse response on a changeable path corresponding to the current quasi-static environment according to the channel impulse response on the unchanged path and a channel estimation value of the current quasi-static environment; and predicting the channel estimation value of a next moment according to the channel impulse response on the changeable path. According to the method and the device provided by the invention, the problem of low-pilot cost and real-time channel prediction in the quasi-static environment based on a channel database can be solved.

The invention discloses a position sensorless control method of a switched reluctance motor based on a linear inductance characteristic conversion method. Due to the influence of magnetic field saturation, this method obtains the inductance characteristics of four special position switched reluctance motors through the torque balance method. According to the unsaturated inductance characteristics of the motor, the relationship between the unsaturated inductance and the current in the linear range is established. The real-time phase inductance is obtained by measurement and calculation, and the real-time phase inductance is converted into unsaturated inductance by using the proposed conversion model. According to the linear relationship between the unsaturated inductance and the rotor position, the corresponding motor rotor position information is finally calculated. The effectiveness of the method is verified by experiments. The method is simple and easy to implement, requires less measurement work, and has high estimation accuracy of rotor position information, and is suitable for medium and high speed applications.

The invention discloses a method and a system for judging errors of a topographic map surveying system. The method comprises the following steps: selecting a predetermined quantity of check points; reading image space coordinates of check points in a left satellite remote sensing image aligning piece and a right satellite remote sensing image aligning piece; obtaining object space difference values of the check points by the least square adjustment method according to the image space coordinates; calculating object space coordinates of the check points and residue errors of object space adjustment values in an X direction and a Y direction; and judging whether the residue errors are subjected to a standard normal distribution, if so, judging the system errors are not generated, and otherwise, judging the system errors are generated. By virtue of the method and the system, the system errors are judged after block adjustment is calculated; the great difference in the final topographic map caused by the system errors can be judged; the errors are detected in intermediate steps, so that the measurement operations of a plurality of subsequent steps are eliminated; the manpower and material resources are saved.

Disclosed are a minimization of drive-tests measurement method and device based on a heterogeneous network. The method comprises: receiving a measurement request message sent by a network side, wherein the measurement request message comprises minimization of drive-tests (MDT) parameter configuration information, and the MDT parameter configuration information is used for instructing the user equipment to learn a target measurement cell of a specific type; according to the MDT parameter configuration information, determining the target measurement cell of a specific type; and executing MDT measurement of the target measurement cell of a specific type to acquire MDT measurement data. By adopting the method of the present invention, there is no need to perform MDT measurement of cells of all the types within a measurement area, and measurement of the cell of a specific type needing MDT measurement within the measurement area can be performed directly, thereby improving the efficiency of a measurement resource, avoiding the waste of the measurement resource, and reducing the measurement work of a UE.

The invention discloses a subgrade earthwork filling precise construction system based on the Beidou technology, and relates to the technical field of earthwork subgrade filling construction. According to the subgrade earthwork filling precise construction system based on the Beidou technology, engineering design data are converted into a three-dimensional digital model, calculation data are distributed to all engineering vehicles according to a certain sequence, the positions of soil unloading points are distributed, construction machines are commanded to reach the correct positions, and the construction efficiency is improved. A brand new control mode with absolute coordinates X and Y as references is adopted, traditional procedures of measurement, piling, grid drawing, lime scattering and the like are abandoned, the problem of soil unloading of a large number of dump trucks is solved at a time, a large amount of field measurement work is saved, operators are liberated, and the working efficiency is improved. And on-site construction management personnel can organize and manage the soil unloading procedure only on a computer, so that engineering construction in the traditional sense is converted into digital construction, and construction control is precise.

The invention discloses a wireless electronic doorplate, which comprises an identification unit and an information processing unit. The information processing unit further comprises a signal detecting unit, an information reading unit and an information sending unit. In addition, the invention further discloses a wireless electronic doorplate system comprising the wireless electronic doorplate and a method for providing the wireless service by utilizing the wireless electronic doorplate. By using the wireless electronic doorplate, the invention implements the regional identifier based on the wireless network and results in that the wireless network service is not based on measuring the AP signal any longer, and thus the complicated measurement work is not only eliminated, but also the system can correct the configuration quickly and is put into operation once again so as to provide the accurate location service when the links in the system change (e.g. the number of APs and the AP signal is attenuated).

The invention discloses an intelligent paint spraying device capable of detecting columnar materials. The intelligent paint spraying device capable of detecting the columnar materials comprises a base, a fixed supporting plate is fixedly arranged at the upper end of the base, a material through hole penetrating front and back is formed in the fixed supporting plate, and a detection clamping assembly is arranged at the front end of the fixed supporting plate. The detection clamping assembly comprises a fixed block fixedly arranged at the front end of the fixed supporting plate, a fixed pressingplate support fixedly arranged at the upper end of the fixed block and a fixed pressing plate fixedly arranged at the upper end of the fixed pressing plate support. The intelligent paint spraying device can automatically detect the diameters of the columnar materials during clamping and drive a matching support to move leftwards by a corresponding distance according to the number of turns of rotation of a second transmission shaft on the right side during clamping, and when the materials are too thick, power can be transmitted to a milling cutter, so that the milling cutter rotates and conducts milling work on the materials, and the materials reach the preset size. The whole process is automatically completed, manual measurement work before material machining is omitted, and the working efficiency is greatly improved.

The invention discloses a switched reluctance motor sensorless control method based on a linear inductance characteristic conversion method. Due to the influence of magnetic field saturation, the method obtains the inductance characteristics of the switched reluctance motor at four special positions through a torque balance method, builds the relation between unsaturated inductance and current in a linear interval according to the unsaturated inductance characteristics of the motor, obtains real-time phase inductance through measurement and calculation in the operation process of the motor, obtains the real-time phase inductance of the switched reluctance motor through a provided conversion model, converts the real-time phase inductance into unsaturated inductance, and finally calculates the corresponding motor rotor position information according to the linear relation between the unsaturated inductance and the rotor position. According to the invention, the effectiveness of the method is verified through experiments, and the method is simple, convenient and easy to implement, little in measurement work, high in rotor position information estimation precision and suitable for medium and high speed application occasions.

The invention belongs to the field of intelligent robots, and particularly relates to a robot power supply current threshold value acquisition and exception handling method. In a normal operation process of a robot, a threshold value calculation command is sent to a main control module through an upper computer; a current maximum value I<Max>, a current minimum value I<Min> and an average value I<Agv> of the power supply current is circularly calculated within preset time required by the command; when the operation time reaches the preset time, the I<Max>, the I<Min> and the I<Agv> are output;based on output I<Max>, I<Min> and I<Agv>data, an overcurrent current I<over>, a power-down current I and overcurrent time T<x> are calculated; and whether the robot power supply current is abnormalor not is judged based on the overcurrent current I<over> and the power-down current I, and exception handling is carried out.

The invention discloses a tool fixing method for installing an embedded bolt set, and relates to the technical field of embedded bolt fixing, and the method comprises the following steps: 1, processing a steel plate in a prefabrication workshop, and performing high-precision trepanning according to the position of the embedded bolt set, with the deviation of the trepanning position being-0.5 to + 0.5 mm; secondly, the first angle steel, the second angle steel and the reinforcing steel bars are pre-buried and fixed; thirdly, the steel plate with the bolt holes is placed on the first angle steel; and fourthly, before concrete pouring, bolts penetrate through the upper and lower steel plates, and nuts are used for fixing after the exposed length is adjusted. According to the fixing tool designed by the invention, the relative positions of the bolts of the bolt group are ensured through the high-precision perforated steel plate, so that the steel plate only needs to be measured and positioned once in the construction process, the field installation and measurement work is reduced, personal errors are avoided, the positioning precision is ensured, and the construction is more facilitated.

The invention discloses a method, system and control device for real-time measurement of runoff flow velocity, wherein the real-time measurement method of runoff flow velocity includes: receiving instantaneous flow velocity values ​​and liquid level values ​​of multiple detection points in at least one detection point group measured at the same time, Wherein, multiple detection points in each detection point group are distributed at intervals along the runoff width direction; according to the instantaneous flow velocity value and liquid level value of multiple detection points in the at least one detection point group, respectively calculate the described The average flow velocity at multiple detection points in at least one detection point group; calculate the flow velocity of the runoff according to the average flow velocity at multiple detection points in the at least one detection point group, and realize the real-time online measurement of the runoff flow velocity The measurement reduces the number of personnel and equipment involved in the measurement process, greatly reduces the measurement work, and saves measurement costs.