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21 results about "Calibration free" patented technology
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Engineering wire harness testing method and system
The invention particularly relates to an engineering wire harness testing method and system, and relates to the technical field of engineering wire harness testing. A measurement and self-calibration module; a test channel health degree real-time monitoring module; and a data processing and diagnosis analysis module. According to the invention, the standard gold wire harness and an automatic self-calibration mechanism solve the problems of long period and low efficiency of traditional manual calibration; the system can automatically trigger self-calibration according to multiple conditions such as time, events and the like, the measurement deviation is captured through multi-dimensional reference measurement, real-time deviation compensation is achieved by means of software closed-loop calibration, meanwhile, fault components can be accurately positioned according to hardware deviation, a maintenance report can be generated, and reference drift caused by environment fluctuation and component aging in a calibration interval is avoided.
Owner:HUNAN JINNUO INTERCONNECT TECHNOLOGY CO LTD
Calibration-free soil dry density in-situ measurement method
The invention discloses a calibration-free soil dry density in-situ measurement method, and belongs to the technical field of soil physical property detection in geotechnical engineering and agricultural engineering. The method comprises the following steps: firstly, acquiring a volume dielectric constant epsilon and an environment temperature of soil in situ, and acquiring a mass water content omega of the soil in situ; secondly, determining physical parameters of the soil, wherein the physical parameters comprise a soil particle dielectric constant, a soil particle relative density and a water dielectric constant determined according to the temperature T; and finally, substituting the volume dielectric constant, the mass water content omega and the physical parameters of the soil into a calculation model constructed on the basis of a soil solid-liquid-gas three-phase mixed medium theory, and solving to obtain the dry density of the soil. According to the method, a calculation model is constructed based on physical characteristics of a soil solid-liquid-gas three-phase mixed medium, parameters which can be directly measured are obtained in situ, and the dry density is directly solved after the parameters are substituted into the model, so that tedious steps of field calibration in a traditional method are avoided, and in-situ, rapid and calibration-free measurement of the dry density of the soil is realized.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY
Automatic calibration method and device for detector tester, electronic equipment and medium
PendingCN121995528Aeasy to operateImprove calibration accuracyGeological measurementsGeophoneMeasurement test
The invention provides an automatic calibration method and device for a detector tester, electronic equipment and a medium, and relates to the field of calibration measurement test.The initial moment T0 of a detector for obtaining a damped oscillation signal is obtained through the detector tester, and the method comprises the steps that i-M, i-M + 1 and i-M + 2 are obtained, and sample point signals x [i-M], x [i-M + 1], x [i-M + 2]... x [i] corresponding to the moment i are obtained, and calculating a filtered signal y [i-1] through a formula, when x [i] is greater than G * y [i-1] and G is a multiple of a threshold coefficient, determining a starting moment T0 of a damped oscillation signal, obtaining a damping coefficient, a natural frequency and sensitivity based on T0, and automatically calibrating a detector tester based on the damping coefficient, the natural frequency and the sensitivity. According to the method, the detector tester is automatically calibrated, complicated operation of calibration personnel is avoided, and the calibration precision and the calibration efficiency are improved.
Owner:CHINA NAT PETROLEUM CORP +1
Light control calibration device and light control dynamic calibration method
The present application relates to a kind of light control calibration tool and light control dynamic calibration method.The light control calibration tool of the present application particularly includes controllable photoresistor branch, and by means of known resistance branch and voltage measurement branch, the controllable resistance value of controllable photoresistor branch can be accurately calculated, then using the characteristics that the resistance of photoresistor in controllable photoresistor branch is controllable under illumination, and its own resistance is stable, any required accurate resistance value for calibration is provided, without frequently replacing standard resistance sheet, avoid the damage of calibration instrument to improve safety, while also with high flexibility, the test of different range resistance value of the equipment to be measured can be completed, finally realizing the high safety, flexible and accurate dynamic calibration of the equipment to be measured.
Owner:JINAN INST OF QUANTUM TECH +1
Calibration-free path generation for collaborative robots
PCT designated stageWO2026044558A9Programme-controlled manipulatorProgramme controlAlgorithmPath generation
Embodiments of the present disclosure provide calibration-free path generation for collaborative robots. A method performed by a collaborative robot (10), is provided, the method comprising: receiving (112), from an operator (20), a first input to select one regular shape in a set of regular shapes and a second input corresponding to a set of points, generating (114) a first profile (100) corresponding to the selected one regular shape based on a first number of points in the set of points, determining (116) a score of the generated first profile based on an offset between the first profile and the first number of points, generating (118), in response to the determination that the score is lower than a threshold, a second profile (200) based on a second number of points in the set of points.
Owner:ABB (SCHWEIZ) AG +3
Overload protection adjusting structure of circuit breaker
ActiveCN223757481UProtective switch operating/release mechanismsAdjustment of protective switch conditionsControl theoryCircuit breaker
The utility model discloses an overload protection adjusting structure of a circuit breaker, which comprises an adjusting frame, an adjusting screw and a calibration assembly, the adjusting screw and the calibration assembly are connected and arranged at the top of a circuit breaker body, and two side baffles are arranged on two sides of the top of the circuit breaker body. The protection cover plate is installed between the two side baffles through the buckle structure and covers the calibration assembly and the adjusting screw, so that a protection space for accommodating and covering the calibration assembly is formed at the top of the circuit breaker, and the protection cover plate plays a role in installation and protection of the calibration assembly and the adjusting screw which are installed at the top of the circuit breaker. Therefore, the calibration assembly is prevented from being influenced by collision in the product installation and transportation process, meanwhile, the situation that the adjustment angle of the bimetallic element is influenced due to direct misoperation or mistaken touch of the calibration assembly is avoided, the protection performance is good, and the adjustment operation stability and reliability of the overload protection adjustment structure are guaranteed.
Owner:RUIRUI ELECTRIC (ZHEJIANG) CO LTD
Calibration and verification device and calibration and verification method for oil test box
The invention provides a calibration and verification device for an oil test box, and the device comprises a modular calibration unit which is used for carrying out the on-site calibration of physical characteristic parameters, electrochemical and optical characteristic parameters of the oil test box; and the portable box body group is used for accommodating the modular calibration unit in an integrated mode capable of being transported in a motorized manner and providing physical protection for the modular calibration unit. Through the design of modular calibration combined with the portable box body group, the problem of field maneuvering calibration of the oil test box is solved, and accurate coverage of each module of the oil test box is realized. By adopting the double box bodies which are physically isolated for integrated storage, the portability and maneuverability are remarkably improved, the requirements of field vehicle transportation and manual carrying are perfectly met, and the core premise of army maneuvering metering guarantee is met. Through the classified calibration design of the modularized calibration unit on physical characteristics, electrochemistry and optical parameters, multi-type detection requirements of the oil test box are met, and separation between calibration and an actual scene is avoided.
Owner:CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE ENGINEERING UNIVERSITY
Level gauge zero calibration device with small error
Owner:ZIER CO LTD
Calibration measurement device, calibration measurement method, and electronic device
The application relates to the chip and electronic equipment technical field, in particular to a calibration measurement device, a calibration measurement method and an electronic equipment. The calibration measurement device, the calibration measurement method and the electronic equipment provided by the embodiment of the application can enter the calibration process flow after being started, and whether the electronic equipment meets the calibration measurement condition is detected after detecting that the user performs the calibration measurement operation. When it is detected that the electronic equipment meets the calibration measurement condition, calibration measurement data is acquired according to the second processing signal. Since the calibration process flow is configured, the user does not need to wait for a preset time length, which is beneficial to improving the calibration measurement speed. Meanwhile, since the calibration measurement operation is performed by the user in the calibration process flow, the calibration measurement data collected when the electronic equipment is in a non-flat state such as suspension or inclination can be avoided, and the calibration measurement error can be effectively reduced.
Owner:CHIPSEA TECH SHENZHEN CO LTD
Calibration device for single inside micrometer
The utility model discloses a calibration device for a single inside micrometer in the related technical field of micrometer calibration, which comprises a main support frame and a first support seat, the main support frame is also provided with two second support seats in a group, the second support seats are fixedly provided with a support clamping seat, and the support clamping seat is provided with a plurality of first support seats and a plurality of second support seats. An adjusting screw is installed at the top of the supporting clamping seat through threaded connection, a pressing plate is arranged at the lower end of the adjusting screw, an outer diameter micrometer body is placed on the supporting clamping seat and the first supporting seat, and a fixing end is arranged at one end of the detection position of the outer diameter micrometer body. The first supporting seat and the second supporting seat are arranged on the main supporting frame and used for effectively supporting the outer diameter micrometer body, the supporting clamping seat, the adjusting screw and the pressing plate are arranged on the second supporting seat, the position of the outer diameter micrometer can be effectively fixed, and the outer diameter micrometer body is prevented from moving in the calibration process.
Owner:LUOYANG PENGHONG MACHINERY EQUIPMENT CO LTD
Metering calibration intelligent detection device
InactiveCN120800652AForce/torque/work measurement apparatus calibration/testingPull forceControl engineering
The invention relates to the related technical field of metering calibration, in particular to a metering calibration intelligent detection device which comprises a table plate, a bottom frame and foot pads, a fixing mechanism is arranged on the surface of one side of the table plate, a transverse plate is fixedly connected to the surface of the side, away from the bottom frame, of the table plate, and a groove is formed in the surface of one side of the transverse plate. According to the device, a three-surface fixing structure is formed through opposite clamping of the clamping plates on the two sides and abutting of the end portions of the fixing blocks, displacement of the tension meter is limited in multiple directions, compared with single pull ring fixing, deviation or shaking generated due to the tension effect in the calibration process can be effectively avoided, calibration precision is guaranteed from the source, and the calibration efficiency is improved. The elastic buffer design of the spring enables the fixing block to be adaptively adjusted according to the size of the tension meter, the moving distance of the clamping plates on the two sides can be flexibly changed along with the stroke of the first rack, the device can be compatible with the tension meters of different specifications and sizes, the application range of the device is greatly widened, manual fastening is not needed, manual operation errors are reduced, and the working efficiency is improved. And the fixing efficiency is also improved.
Owner:SHENZHEN WORLD STANDARD MEASUREMENT & TESTING CO LTD
Comparator module based on one-step two-bit architecture, calibration method, ADC and chip
PendingCN121923656AElectric signal transmission systemsAnalogue/digital conversion calibration/testingComputer hardwareA d converter
The invention relates to a comparator module based on a one-step two-bit architecture, a calibration method, an ADC (Analog to Digital Converter) and a chip in the technical field of integrated circuits. The comparator module comprises two comparator groups Group 1 and Group 2 of a one-step two-bit architecture, and the Group 1 and the Group 2 jointly form a ping-pong type structure so as to alternately perform ping-pong operation in a comparison stage and a reset stage. And the comparators in the Group 1 and the Group 2 comprise channel selection switches arranged at the input ends of the comparators. According to the invention, a one-step two-bit successive approximation analog-to-digital converter and a ping-pong successive approximation analog-to-digital converter are fused, and a new comparator calibration mechanism is introduced, so that the calibration process of the comparator can be overlapped with the analog-to-digital conversion process in time, thereby avoiding the situation that the calibration time sequence occupies extra conversion time in the process, and improving the calibration accuracy of the analog-to-digital converter. And the sampling rate of the SAR ADC and the overall conversion speed of the analog-to-digital converter are obviously improved.
Owner:UNIV OF SCI & TECH OF CHINA
Single waveform, continuous squarewave voltammetry for optimal calibration free sensing
PendingEP4479736A4Microbiological testing/measurementMaterial electrochemical variablesSquare waveformWave shape
A method of measuring sensor response for a sample is disclosed. The sample is exposed to an electrochemical aptamer-based (EAB) sensor, where the sensor includes an electrode and one or more aptamers having redox tags. Next, an interrogation is performed by applying an abrupt voltage pulse to the electrode. Two or more data samples are collected at different time values, where each data sample is a redox tag current value. Then at least one measure of the sample is identified using the data samples.
Owner:UNIVERSITY OF CINCINNATI
Calibration-free rapid self-balancing centrifuge rotor
The invention discloses a calibration-free rapid self-balancing centrifugal machine rotor, and particularly relates to the field of centrifugal machine rotors, the calibration-free rapid self-balancing centrifugal machine rotor comprises a centrifugal machine body, a rotor body is arranged in the centrifugal machine body, the rotor body comprises a cross frame, and a connecting shaft is fixedly connected to the center of the bottom of the cross frame; the bottom of the cross is fixedly connected with a group of mounting blocks, and test tubes are arranged at the tops of the mounting blocks. The connecting seat slides downwards due to the weight of the test tube and the internal liquid to drive the connecting seat to move synchronously, so that the L-shaped block is driven to move downwards, and the balancing block is driven by the connecting rod I to slide towards the connecting shaft along the bidirectional guide rail; the moving distance of the balancing block is in direct proportion to the common weight of the test tube and the internal liquid, the heavier the test tube and the liquid is, the more the balancing block moves towards the connecting shaft, and the weight of the test tube is balanced by changing the distance between the balancing block and the connecting shaft. Therefore, the effect of automatic balancing according to the test tube and liquid weight is achieved.
Owner:王芝宇 +1
User calibration-free isolation metering chip and metering method
The invention discloses a user calibration-free isolation metering chip and a metering method, and belongs to the technical field of integrated circuits. The metering chip comprises a first sub-chip, a second sub-chip, a substrate and a packaging frame, wherein the first sub-chip is used for rectifying a high-frequency signal into a direct-current voltage; sampling the current and the voltage, and processing a sampling signal to obtain a metering signal; the second sub-chip is used for modulating an external input direct-current voltage into a high-frequency signal and sending the high-frequency signal to the first sub-chip through the substrate; receiving the metering signal sent by the first sub-chip, and processing the metering signal; the substrate is used for isolating and transmitting energy and signals between the first sub-chip and the second sub-chip; the packaging frame is provided with a frame parasitic resistor, and the first sub-chip, the second sub-chip and the substrate are sealed together through customized packaging. According to the metering chip, further calibration of a user at a system level in a traditional scheme can be omitted, isolation of high-voltage and low-voltage side signals and a power supply is achieved through a single chip, the system integration degree is improved, and the cost is reduced.
Owner:HANGZHOU VANGO TECH
A level bubble mounting structure suitable for automated calibration
ActiveCN116242314BNuclear energy generationIncline measurementMechanical engineeringCalibration free
Owner:QINGDAO KAIPU ROAD TOOLS CO LTD
Calibration method and device of radio frequency integrated circuit test system
The invention belongs to the field of integrated circuit test system calibration, and particularly discloses a calibration method and device for a radio frequency integrated circuit test system. The core parameters influencing the final test result are locked based on the mapping relation of the test system indexes, and calibration target generalization is avoided. And constructing a test model according to the transmission characteristics of the core parameters to ensure that the model accurately reflects actual circuit behaviors. Then various working conditions are simulated through the model, a corresponding relation between excitation and response is generated and packaged into a parameter equivalent model, and complex physical characteristics are converted into reproducible data standards. And calling the equivalent model in real time in a calibration stage, matching the input with the model library, and reproducing a calibration reference required by each current core parameter. And finally, the test system is calibrated by using the self-generated reference covering all working conditions, so that the problem of system misalignment caused by insufficient metering capacity and narrow calibration coverage is fundamentally solved, and the accuracy and reliability of a test result are remarkably improved.
Owner:709TH RESEARCH INSTITUTE CHINA STATE SHIPBUILDING CORP LTD
Hole site calibration device for automobile engine cylinder cover machining and using method of hole site calibration device
The invention discloses a hole site calibration device for automobile engine cylinder cover machining and a using method of the hole site calibration device, and relates to the technical field of calibration devices. The device comprises a support, the top of the support is fixedly connected with a rotating assembly, and an inner cavity of the support is fixedly connected with a calibration assembly. By means of a double fixing structure of the clamping piece, the rotating shaft and the follow-up shaft in the rotating assembly, firm limiting of the engine cylinder cover is achieved, displacement of the cylinder cover in the calibration process is effectively avoided, the accuracy of hole site calibration is guaranteed, meanwhile, complex programming of equipment is not needed, multi-face calibration can be completed through cooperation of mechanical structures, and the production efficiency is improved. Compared with the prior art, equipment control logic is simplified, equipment manufacturing cost and later maintenance difficulty are reduced, the device is more suitable for batch detection requirements of small and medium-scale machining enterprises, in addition, an infrared distance meter in the calibration assembly is matched with a ccd camera, accurate adjustment of the calibration distance and clear capture of a hole site can be achieved, and calibration precision is further improved.
Owner:JIANGXI YUDE IND CO LTD
A method and system for calibration verification of a near infrared spectrometer
The present application discloses a near-infrared spectrometer calibration verification method and a calibration verification system, which uses a micro distillation apparatus and a vibrating liquid density instrument as a special standard device, directly constructs calibration logic for oil distillation and density core indicators, ensures the consistency of standard values and predicted values through the same oil sample, avoids the technical problem that the calibration is qualified but the actual detection is not accurate, makes the calibration result fully meet the scene requirements of oil testing, realizes the quantitative representation of the error range of the calibration result, and more scientifically reflects the actual measurement capability of the instrument compared with the traditional single difference judgment, and provides rigorous technical support for quantity traceability. Moreover, the calibration verification system of the present application supports portable integrated design, does not need to rely on laboratory fixed equipment, can complete calibration on site at the grassroots level, simplifies the operation process, and takes into account the technical rigor and on-site practicality.
Owner:CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE ENGINEERING UNIVERSITY
Calibration-free temperature measurement method and system for infrared temperature measurement equipment
The invention provides a calibration-free temperature measurement method and system for infrared temperature measurement equipment, and the method comprises the following steps: assembling a reference lens to an infrared temperature measurement equipment body, and obtaining a first target y16 value; inputting the first target y16 value into a y16 value mapping model to determine a second target y16 value obtained after the calibration-free lens is assembled to the same infrared temperature measurement equipment body; compensating the second target y16 value; and according to the compensated target y16 value, determining and outputting a calibration-free lens to be assembled on the same infrared temperature measurement equipment body so as to obtain a target temperature. According to the invention, on the premise that the original target y16 value obtained through the reference lens is known, the original target y16 value obtained through the calibration-free lens is directly obtained, and the high-precision temperature measurement result of the calibration-free lens is output based on the original target y16 value obtained through the calibration-free lens, so that the workload and the cost can be greatly reduced, and the production efficiency of equipment is greatly improved.
Owner:WUHAN GUIDE SENSMART TECH CO LTD
Calibration-free path generation for collaborative robots
PCT designated stageWO2026044558A1Programme-controlled manipulatorProgramme controlAlgorithmPath generation
Embodiments of the present disclosure provide calibration-free path generation for collaborative robots. A method performed by a collaborative robot (10), is provided, the method comprising: receiving (112), from an operator (20), a first input to select one regular shape in a set of regular shapes and a second input corresponding to a set of points, generating (114) a first profile (100) corresponding to the selected one regular shape based on a first number of points in the set of points, determining (116) a score of the generated first profile based on an offset between the first profile and the first number of points, generating (118), in response to the determination that the score is lower than a threshold, a second profile (200) based on a second number of points in the set of points.
Owner:ABB (SCHWEIZ) AG +3