69 results about "Grade measurement" patented technology

A vehicle control system reduces vehicle rollback upon brake release. The control system includes a brake system, a vehicle grade measurement device and a controller that modulates applied brake pressure of the brake system based on a grade measurement of the grade measurement device. The controller actuates brake-hold device communicating with the brake system based on the grade measurement through pulse width modulation. The control system communicates with a motor generator and an engine to provide a start power to the engine upon brake release based on the grade measurement. Fuel injectors of the engine are enabled upon brake release based on the grade measurement. The control system further communicates with a transmission forward clutch to provide selective rotational communication between the transmission and the engine based on the grade measurement.

The invention provides a method and device for controlling sending of a repetition grade measurement report to enhance coverage. The method comprises the following steps: receiving a first message from the device; at least partially based on the detection of the first message, determining whether a second message carries a repetition grade measurement report request instruction and / or determining the value of the instruction; sending the second message to the device; at least partially based on whether the second message carries the repetition grade measurement report request instruction and / or the value of the instruction, detecting a third message; and at least partially based on the detection of the third message, determining a transmission format of a fourth message to be sent to the device, wherein, when determining that the second message carries the repetition grade measurement report request instruction, reusing one or more bit, reserved for other instructions, in the second message to send the repetition grade measurement report request instruction.

The invention relates to a sea cucumber pretreatment technology for mechanically processing and equipment thereof. The sea cucumber pretreatment technology for mechanically processing comprises the working procedures of pre-inspection impurity removal, flexible cleaning, dirty removal classification, grading measurement, high-temperature stewing, extrusion molding and low-temperature cooling; in the working procedure of the pre-inspection impurity removal, a sea cucumber is sprayed, wetted and washed by purified water and screened by taking a hole and a seam with a certain geometric dimension as boundaries; in the cleaning working procedure, the sea cucumber is placed into a water storage container of which the bottom is input with pressure gas from bottom to top and transported by pressure water flow; in the working procedure of the high-temperature stewing, the sea cucumber is advanced at a certain speed in the boiling water of a stewing groove, and after being gathered, the scum of the water surface is dispelled out of the stewing groove in a guide gathering and / or draining way; and in the working procedure of the extrusion molding, the sea cucumber is sprayed and cooled by low-temperature water and extruded by elastic flexible force during drainage. A pre-inspection device, a cleaning device, a stewing device and a molding device are manufactured and provided according to the sea cucumber pretreatment technology for mechanically processing, thereby the high working efficiency is achieved and the high quality of a finished product is ensured.

The invention discloses a method of hydrographic surveying and charting and submarine topography geomorphologic survey research, and particularly discloses a seabed sand wave geomorphology movement detection method based on MBES (multi-beam echo sounding). The method provided by the invention adopts a decimeter grade measurement accuracy multi-beam sounding technology and a sub-meter grade positional accuracy navigational positioning system, the movement rate and direction of the seabed sand wave geomorphology are obtained through preparation before seabed sand wave detection based on the MBES, the detection of the seabed sand wave geomorphology based on the MBES, a DDM (difference of depth of modulation) construction based on the MBES measured data, secondary detection and treatment as well as sand wave movement rate calculation. The invention provides an exquisite detection scheme of a seabed sand wave movement and a rapid construction method of seabed grids and further provides an exact calculating method of the movement rate of the seabed sand wave, the methods have the important application values for hydrographic surveying and charting, oceanographic survey and seabed scientific research in a seabed high active region.

The invention relates to a coaxial image system applied to an LED laser cutting device, comprising a coaxial LED point light source module, a 45-degree total reflection mirror, a wide-angle CCD module, a first 45-degree spectroscope, a small-vision field high-magnification upper CCD module, a second 45-degree spectroscope, a wavelength selection mirror, an LED ring light source, a focusing lens and a small-vision field high-magnification lower CCD module; the coaxial LED point light source module, the wide-angle CCD module and the small-vision field high-magnification upper CCD module are arrayed in parallel from top to bottom, the wavelength selection mirror is mounted between the CCD module and the focusing lens, the LED ring light source clings to the focusing lens which faces directly towards a workpiece, the small-vision field high-magnification lower CCD module is mounted below the workpiece. The invention realizes coaxial real-time image positioning function in the LED laser cutting device, combined usage of the wide-angle CCD and the small-vision field high-magnification upper CCD realizes micrometer-grade measurement accuracy, and the convenient switch of the small-vision field high-magnification upper CCD and the small-vision field high-magnification lower CCD meets the demands of front-cutting, back-cutting, surface coarsening and the cutting of back-aluminized wafer.

The invention discloses a method for rapidly identifying and determining the black and odor of an urban water body based on multi-source spectral characteristics. A three-dimensional fluorescence spectrum is used for analyzing concentrations of humic acid, albumin and oil black and odor precursors in the water body, and a UV-visible absorption spectrum is utilized for analyzing and obtaining waterquality parameters of turbidity, chroma and nitrate black and odor and other related parameters, and water quality comprehensive indexes of COD, BOD and TOC are obtained by using fluorescence spectrum and absorption spectrum fusion inversion; combining dissolved oxygen and water temperature parameters, a water body black and odor grade measurement algorithm model is established based on data driving through testing and training of different types of water bodies in a plurality of cities, and the rapid identification and determination of the black odor grade of the water body is achieved. Themethod solves the problems of 'single monitoring index, organic index missing and ammonia nitrogen sampling and off-line measuring' in a water body black and odor monitoring method specified in Guideto Regulation of Urban Black and Odor Water Bodies, has the advantages of no reagent, no need of sample pretreatment, rapid measurement and the like, and is a rapid and effective method for measuringthe black and odor of water bodies.

The invention provides a near-infrared moisture measurement instrument which comprises an LED array (10), an optical system, an InGaAs detector (30) and a controller circuit. The controller circuit is connected with the LED array (10) and the InGaAs detector (30), after light emitted by the LED array (10) irradiates a sample (100) to be measured through the optical system, the scattered light is gathered on the expanded InGaAs detector, and the expanded InGaAs detector (30) transmits a signal obtained through detection to the controller circuit. The near-infrared moisture measurement instrument has the advantages that no mechanical motion parts are needed, structure complexity and system maintenance times are reduced, reliability is improved, the size of the equipment is reduced, speed measurement of a system is not limited by mechanical rotation speed any more, and millisecond-grade measurement can be achieved.

The invention discloses a flotation process yield optimization control method, which comprises: real-timely acquiring the flotation machine liquid level measurement value, the flotation column liquidlevel measurement value, the flotation foam flow rate measurement value and the online grade measurement value in flotation process key operation; determining the validity of the acquired data, and controlling the output value of the system at an unchanged state if the invalid data exists; according to a crude ore grade measurement value and an enrichment ratio set value, automatically adjusting aconcentrate grade target control range; determining the change trend of the concentrate grade, the tailing grade and the foam flow rate by recording the fluctuation and the threshold value of the flotation foam flow rate measurement value and the online grade measurement value for a certain time; and according to the deviation and the variation of the online measurement value and the set value, automatically adjusting the yield set value in the flotation process key operation through a yield optimization control rule. With the method of the present invention, the key operation yield set valuecan be correctly and timely optimized so as to effectively reduce the fluctuation of the concentrate grade and the recovery rate and ensure the continuous, efficient and stable operation of the flotation process.

The invention discloses a method for measuring content and particle size distribution of magnetic iron in steel slag. The method comprises the following steps of: performing grading and magnetic separation for the steel slag according to the particle sizes of 10mm, 5mm, 1mm and 0.25mm, and by taking the magnetic separation tails of which the particle size is less than 0.25mm as comparative reference, measuring content of magnetic iron in fine slag of each particle size grade through a specific gravity method, thereby obtaining content and particle size distribution of magnetic iron in steel slag. The method has the characteristics of accurate measurement, wide application range and low measuring cost, and needs no empirical formula. The method is especially suitable for magnetic iron grade measurement of metallic iron recycled by steel slag magnetic separation, and technology setting of graded magnetic separation production, has stronger promotional value, and is beneficial for steel slag resource recycling.

The invention discloses a particle material grading measurement instrument and a measurement method thereof. The particle material grading measurement instrument includes a base, a vibration table, sieve boxes, a sieve box cover, weight measurement units, a touch screen and a switch; the vibration table is arranged on the top of the base; the number of the sieve boxes is greater than 2, and the sieve boxes are stacked on the top of the vibration table from top to bottom; the sieve box cover is arranged on the top of the sieve box at the top; the weight measurement units are arranged in the sieve boxes; each weight measurement unit includes a sieve plate, a sensing ring, weight measurement springs, and strain gages, wherein the sensing ring includes an upper annular sheet and a lower annular sheet which are identical, the sieve plate is arranged on an inner ring of the upper annular sheet of the sensing ring; the diameters of sieve holes of the sieve plates of all the sieve boxes are decreasing gradually from top to bottom; the weight measurement springs are connected to the strain gages, the numbers of the weight measurement springs and the strain gages are 3-8, and the weight measurement springs and the strain gages are arranged between the upper annular sheets and the lower annular sheets; and the touch screen and the switch are arranged on a side wall of the base. After the particle material is sieved, the particle material grading measurement instrument can directly measure the mass of the particle material, can avoid errors, and can directly perform sieving analysis and export a grading graph and important data required by a test.

The invention discloses a soft concentrate grade measurement method and a soft concentrate grade measurement system based on a hybrid sorting system of a principal component analysis and online extreme learning machine. The soft concentrate grade measurement method comprises the following steps: through an established hardware platform, performing loop control of the thickener underflow ore pulp concentration and the thickener underflow ore pulp flow of the hybrid sorting system of the hybrid sorting system, and acquiring the thickener underflow ore pulp concentration DT, the thickener underflow ore pulp flow FT, a coarse floatation machine ore pulp liquid level hR, a fine floatation machine ore pulp liquid level hC, a scavenging floatation machine ore pulp liquid level hS and a flotationagent addition amount FFR though an analysis software system and a control loop; establishing a soft concentrate grade measurement model achieved by the principal component analysis and online extremelearning machine, and outputting an estimated value of the current concentrate grade through training and measurement of the measurement model. Through the soft concentrate grade measurement method and the soft concentrate grade measurement system, key indexes are provided for operation control of a hybrid sorting process.

The invention discloses a measurement method and system for class students' interactive scoring, wherein the measurement method includes the steps of: respectively counting the scores of corresponding students in multiple measurement links in the classroom through student terminals, and obtaining the scores of each student in each measurement link. The cumulative value of the score; then the combined statistics of the cumulative value of the scores of each student in all the measurement links, to obtain the average score of each student; the average score of each student is sent to the teacher's terminal and presented; wherein, the score is mutual One or more of grading, self-grading, and teacher-grading. The present invention measures classroom students' interactive scores by establishing multiple measurement links in the classroom, and realizes comprehensive, systematic, intelligent, and feasible quantification and measurement of classroom students' interactive scores, which is beneficial to the deepening and popularization of teaching process practice; and the present invention It is a simple and effective measurement method for classroom student interaction scoring, and realizes a fully digital, informatized, and intelligent classroom student interaction scoring measurement process.

The invention relates to an antitheft tag for item protection. The antitheft tag comprises an advanced RISC machine (ARM) processor, an acceleration sensor, a global system for mobile communication / general packet radio service (GSM / GPRS) module, a GSM / GPRS double-frequency micro-strip antenna, a power management circuit, a lithium polymer battery and a solar cell panel, and is mounted in a polyvinyl chloride (PVC) shell, wherein the solar cell panel is arranged outside the PVC shell and is connected to the lithium polymer battery through a storage battery. The antitheft tag disclosed by the invention can monitor vibration from any direction in real time through the ultra-sensitivity three-axis acceleration sensor, and the antitheft tag, which is in plate-type ultrathin design, is good in invisibility effect and is not easily discovered; the built-in lithium polymer battery can work continuously for more than 30 days; through waterproofing structural design, the antitheft tag can be protected against from exposure to rain and sunshine and can work stably for long time under various environments; positioning accuracy is high, which can achieve nano-grade measurement. The system can realize multiple functions through a software platform, such as electronic map, anti-theft tracking, etc., and can be widely applied to antitheft of materials fixed and stored for long time such as electric power, steel, petroleum and chemical industry.

The invention provides a device and method for measuring the quench recovery characteristic of a superconducting tape. According to the device and method disclosed by the invention, a constant currentsource is connected to a controllable impact power supply in parallel, so that currents are continuously loaded for the superconducting tape by the constant current source after impact currents are finished; the voltages of two ends of the superconducting tape are synchronously measured through a data control unit, and whether the superconducting tape is recovered to a superconducting state or not is judged through voltage values; special treatment on a superconducting tape sample to be tested is not needed, and testing can be completely performed in a practical application environment; and in addition, the structure is simple, so that millisecond-grade measurement response speed is realized.

The invention discloses an automatic grading measurement method of diamond color; the method includes steps of adjusting lighting and observing conditions so that the testing environment is consistent with environment observed by human eye; accurately positioning by a microscope zone so that the tested point is completely consistent with the measurement position point of a standard colorimetric stone when diamonds with different grains are measured; collecting an image signal and a spectral signal of a sample waist part and a pavilion and every position closing to the bottom point; contrasting a color coordinate of the measurement sample with the color coordinate of every grade standard colorimetric stone point by point; calculating the differential value between the color coordinate of the measurement sample and the color coordinate of every grade standard colorimetric stone, making the color grade of the measurement sample close to the national standard grade with the minimum differential value of the chromaticity coordinate; if the differential value of the color coordinate is consistent with two grades of standards, closing to the lower grade standard. The method guarantees the consistence of the diamond color grading and human eye observation by the automatic measurement system, simulates the traditional colorimetric environment of human eyes, and reduces the bias of the measurement system caused by different observing conditions.

The invention discloses an optical fiber detecting device for a kilometer-grade measurement distance, which is characterized in that the optical fiber detecting device comprises a swept laser source, a PC module, a linear scanning driving control module, a coupler and a to-be-detected optical fiber. The coupler is provided with a third pin and a fourth pin for coupling. The third pin is connected with a reference signal branch circuit. The fourth pin is connected with a control circuit module. The control circuit module comprises an encoder and a first branch circuit which is serially connected with the encoder. The first branch circuit comprises a first polarizing beam splitter, a first balancing receiver and a first square filter, wherein the first polarizing beam splitter, the first balancing receiver and the first square filter are serially connected. The encoder is connected with the fourth pin. A closed-loop feedback optical phase locked laser frequency sweeping method is utilized. Laser with a linear frequency sweeping range of 60GHz and line width smaller than 10KHz is realized. The optical fiber detecting device can support an optical frequency domain reflector in the kilometer distance range.

A combination of components for the dynamic measurement of the grade of terrain, including a rocker arm disposed horizontally across a reference structure, a first displacement transducer positioned at the first end of the rocker arm and a second displacement transducer positioned at the second end of the rocker arm. An absolute angle measurement device is positioned on the reference structure to provide the angle of the rocker arm relative to earth horizontal.

The invention discloses a road grade scale for construction supervision. The road grade scale comprises a grade indicator arranged on a main scale, support leg arranged on two ends of the main scale,a mounting frame slidably arranged on the main scale, a flattening assembly and a pressing roller arrange on the mounting frame, a sliding frame slidably arranged on the main scale, a detection rod slidably arranged on and passing through one end wall of the sliding frame, a baffle plate fixedly arranged on one end of the detection rod, a fixed frame fixedly arranged on the other end of the detection rod, a compression spring sleeving the detection rod and having two ends respectively connected with the sliding frame and a fixed member, and a roller rotatably arranged on the sliding frame, wherein the baffle plate contacts and is connected with the end surface of the sliding frame under the action of the returning force of the compression spring; the mounting frame is provided with an inductive component used for inducing the position of the baffle plate; the pressing roller is rotatably arranged on and connected with the mounting frame; the mounting frame and the sliding frame are connected by a connecting rod; and the pressing roller is arranged between the flattening assembly and the sliding frame. The road grade scale realizes the measurement of the grade of a roadbed slope andimproves the measurement accuracy of the grade of the roadbed slope.

This invention relates generally to a tool for setting grading heights and more particularly to a tool for rapid and efficient measurement of grading heights between adjacent or opposing edges. Briefly stated, the preferred embodiment of the present invention consists of two grading pins spaced apart from each other and inserted into the surface adjacent where grading measurements are desired. Slidably disposed on one of the grading pins is a line casing having a spring loaded retractable string therein with the string having a hook on one end whereby the string is effectively stretched between the two grading pins. Thereafter the string is used as a reference line in order to determine the desired grade height.

The invention relates to a method and a system for safely controlling network resource. The method comprises the following steps of: determining creditability grade of an access request end by carrying out creditability grade measurement on a received access request; matching with corresponding access network resource according to different creditability grades; further verifying whether the accessed and required network resource of the access request end matches with the creditability grade of the access request end; if so, agreeing with the access request of the access request end; if not, rejecting the access requirement of the access request end. The network resource is divided by utilizing the creditability grade, and corresponding network resource cannot be accessed if no corresponding grade exists, so that the hierarchical division of the network resource is more clear through the division of the network resource, the system is convenient to control, the network resource and the creditability are further bonded associated together, the confusion of the network resource is prevented, and the damage of incredible access request end to the network is prevented.

The present invention belongs to a low-cost quick lamination making equipment for making paper product raw type and model. It uses cutter with adaptive steering capability as layer-by-layer cutting tool of paper material, and is formed from cutter device, cutter controller and XY movement mechanism driven by step-by-step motor. Said invention utilizes a precision switch and a working table movement controlled by step-by-step motor to form said invented high-grade measurement system. Said mechanism structure is simple and low in cost.

The invention provides a grading device of organic nitrogen in a soil leachate. The grading device is formed by an infusion bottle, a flow velocity control valve, a soil mass column, filter paper, a first liquid collecting bottle, a switch, a first filter, a second filter, a third filter, an air pump, a second liquid collecting bottle and a supporting frame, wherein the infusion bottle, the soil mass column, the first liquid collecting bottle, the first filter, the second filter, the third filter and the second liquid collecting bottle are sequentially arranged from top to bottom and are fixed by the supporting frame. According to the grading device provided by the invention, by adopting a mode of controlling the filter paper and the pore diameters of filter membranes in the filters, the pore diameters of substances in filter liquor are divided into four micrometer grades of 1.0 to 3.0, 0.45 to 1.0, 0.22 to 0.45 and 0.01 to 0.22, graded measurement on the content and the composition of the organic nitrogen is realized, and the grading device can be applied to grading of the organic nitrogen in the soil leachate. A method is simple and convenient in operation, and the content and the composition of the organic nitrogen in the soil leatchate can be quickly and effectively analyzed.

The invention discloses a heat-resistant steel aging grade measurement method based on a support vector machine. The method comprises the following steps: (1) using a laser spectrum analysis system torespectively obtain the plasma spectra of heat-resistant steel samples with different aging grades by means of lattice measurement; (2) selecting and calculating characteristic intensity variables from the plasma spectral data to form a spectral data matrix (3) projecting the spectral data matrix to a high-order feature space by means of kernel function transformation; (4) constructing a calibration and classification model by using a support vector machine algorithm; (5) using a laser spectrum analysis system to measure the plasma luminescence spectrum of the heat-resistant steel sample to be measured, and inputting the spectral data matrix into the calibration and classification model to obtain the aging grade of the sample to be measured. The heat-resistant steel aging grade measurement method is short in operation time consumption and can meet the requirements of real-time measurement of an industrial field; the heat-resistant steel aging grade measurement method has excellent robustness and adaptability to the metallographic inhomogeneity of steel, and can accurately measure the aging grade of a measured object without needing of arranging complex and excessive measurement points for the measured object.

The invention relates to a border check irrigation method and specifically relates to a border-irrigation-based quota irrigation method for alfalfa in a desert region. The border-irrigation-based quota irrigation method comprises the following steps: 1) land leveling and soil fertility grade measurement; 2) border irrigation optimal field parameter, namely preparing a land in the step 1) to form atrapezoidal section with the border width being 200cm, the border length being 2500cm, the check levee bottom width being 32cm, the check levee top width being 16cm and the check levee height being 22cm; 3) alfalfa planting, namely selecting an alfalfa variety "tourist" with high yield, drought resistance, cold resistance and short growth period, carrying out strip sowing with the depth of 6-8cmin soil under the conditions that each border is divided into 10 rows, the line spacing is 20cm, the sowing depth is 2.0-2.5cm, and the sowing quantity is 1.6kg / mu, and carrying out leveling after strip sowing; and 4) quota irrigation of alfalfa, wherein land surfaces (2) at two sides of a check levee (1) in the step 2) are provided with diversion trenches (5), and the check levee is provided witha uniform irrigation device. The border-irrigation-based quota irrigation method has the beneficial effects that due to the adoption of a technical scheme that the border-irrigation uniform water irrigation device is arranged and an optimal irrigation quota is screened, the aims of saving water and increasing the yield are achieved, and the market application prospect is good.

The invention provides a device and method for measuring the gradient of an edge slope by a fishing rod type gradient ruler from an opening line position of the edge slope. The device comprises the fishing rod type gradient ruler and the like. The method comprises the following steps: (1) selecting a measurement position: selecting the measurement position from the upper side where the gradient of the edge slope needs to be measured; (2) retracting the fishing rod type gradient ruler: according to the size of the edge slope needing to be measured, retracting a fishing rod of the fishing rod type gradient ruler to enable a perpendicular line of the end part to reach a position needing to be measured, and hanging a plumb bob at the bottom of the perpendicular line; (3) leveling: adjusting a retractable rod of the fishing rod type gradient ruler to be leveled through horizontal air bubbles on the retractable rod of the fishing rod type gradient ruler; (4) reading: reading a length L for which the fishing rod type gradient ruler stretches out of an opening line of the edge slope and a height H from the perpendicular line of the end part of the fishing rod to the bottom edge of the edge slope; and (5) calculating: according to a gradient calculation formula i=H / L*100%, calculating the edge slope gradient i of the measured position of the fishing rod type gradient ruler. The device and the method are simple in process and convenient to operate; and the fishing rod only needs to be stretched out and leveled, and reading and calculation are carried out to finish the measurement of the gradient of the edge slope.

The invention discloses a pipe gradient measuring instrument. The pipe gradient measuring instrument comprises a plurality of fixtures, a plurality of supporting rods and a crossbeam, wherein the fixtures are fixed on a to-be-measured pipe, the supporting rods adjustable in length are mounted on the fixtures and provided with scales, the crossbeam is connected to the supporting rods, two ends of the supporting rods are connected with the crossbeam and the fixtures respectively, and the crossbeam is provided with a horizontal level bubble and a vertical level bubble. The pipe gradient measuring instrument has the advantages that the supporting rods are telescopic freely, and telescoping quantity of the supporting rods is indicated by the scales, so that different telescoping quantities of two of the supporting rods can be set rapidly and accurately; by the aid of the horizontal and vertical level bubbles on the crossbeam, horizontal and gradient measuring accuracy of the whole pipe gradient measuring instrument can be ensured.

The invention provides a slope measuring instrument for a running route of a non-road tour and sightseeing vehicle. The slope measuring instrument comprises a measuring host, an encoder and a softwareoperation unit, wherein a magnet seat I is fixedly installed at the bottom of the measuring host; a charging jack and a storage box are arranged on one side of the measuring host; a built-in lock isinstalled on the storage box; a lithium ion battery, an inclination angle sensor, a processor and a digital-to-analog converter are arranged in the measuring host; the measuring host is connected withthe encoder through a transmission line; a magnet seat II is fixedly installed at the bottom of the encoder; and a measuring wheel is installed on the encoder. The slope measuring instrument for therunning route of the non-road tour and sightseeing vehicle is reasonable in design, high in reliability and accurate and rapid in measurement, and can realize dynamic real-time measurement.

A combination of components for the dynamic measurement of the grade of terrain, including a rocker arm disposed horizontally across a reference structure, a first displacement transducer positioned at the first end of the rocker arm and a second displacement transducer positioned at the second end of the rocker arm. An absolute angle measurement device is positioned on the reference structure to provide the angle of the rocker arm relative to earth horizontal.