52results about How to "Simplify calibration work" patented technology

The invention discloses an automatic calibrating device of a digital display type vibration measurer, which comprises a signal generator, a power amplifier, a standard vibration table, a camera, a laser vibration measurer, a frequency ratio counter and a processor. A digital display type vibration measurer to be calibrated is mounted on the standard vibration table. The automatic calibrating method comprises the following steps of: adjusting the gain of the power amplifier to a predetermined position; increasing the amplitude Ui of an output signal of the signal generator to an initial value to measure the real-time vibration level of the standard variation table; measuring the real-time vibration level of the vibration table; adjusting the deviation of the vibration level to be smaller than the control precision of the vibration level; reading the vibration level of the standard vibration table measured by the digital display type vibration measurer by adopting an image recognizing method; judging whether a test is completed or not; and generating a test report form. The calibrating device and the calibrating method have the advantages that the calibration work of the digital display type vibration measure becomes simple and intelligent; the calibration time is shortened greatly; and the labor intensity is also lightened greatly.

The invention discloses a non-contact high-precision calibration method of a tool coordinate system of a single robot, comprising the following steps: first, calibrating a fundamental coordinate system of a robot; second, calibrating a workpiece coordinate system of the robot. The calibration employed by the invention is that a tool sleeve can perform a significantly complete calibration on the tool coordinate system of the robot. The calibration is that the tool sleeve can ensure repeatability of each operation, so as to furthest reduce errors generated by man-made calibration. The method provided by the invention, the non-contact high-precision calibration method of the fundamental coordinate system of the robot, and the non-contact high-precision calibration method of a tool coordinate system of the single robot are cooperated for application, so that basic technical basis is provided to realize accurate transformation of the robot pose, parameterization programming of the robot, high-precision coordination work of a robot group and pose transformation of the robot, resettlement of the robot system, multi-station program share of the robot and locus program of the robot and the like.

The invention discloses a track gauge correction method for double-block type ballastless track construction. The method comprises the following steps of: (1) manufacturing a track gauge correction device; (2) adjusting the track gauge accuracy of the track gauge correction device by using a tool track of a group of track panels; (3) correcting a track gauge in construction, properly loosening fastener screw spikes before the track panels are raised, inserting the track gauge correction device from the start end of the tool track to press four pairs of track gauge correction wheels against two sides of the track wrist of the tool track, arranging supporting traveling wheels on the track surface of the tool track, longitudinally moving the device along the tool track, arranging a sleeper between front and back track gauge correction wheels to enable the track gauge correction wheels to apply force to the tool track so as to realize track gauge correction, manually screwing the fastener screw spikes, and fixing a track gauge relationship between the tool track and the sleeper to complete the track gauge correction operation of the sleeper; (4) sequentially performing the track gauge correction operation, in the step (3), on all sleepers.

The invention discloses a non-contact high-precision calibration method of a workpiece coordinate system of a single robot, comprising: first, calibrating a fundamental coordinate system of a robot; second, calibrating a workpiece coordinate system of the robot. The method provided by the invention, the non-contact high-precision calibration method of the fundamental coordinate system of the robot, and the non-contact high-precision calibration method of a tool coordinate system of the single robot employ a unified non-contact high-precision way, so that the precision of the whole system reaches a height that the calibration method in the prior art cannot touch. The calibration employed by the invention is that a tool sleeve can calibrate the workpiece coordinate system of the robot on an inclined surface. The calibration is that the tool sleeve can ensure repeatability of each operation, so as to furthest reduce errors generated by man-made calibration. The invention also discloses a method of making a robot system adapt a method of the change of the robot and the environment pose.

The invention discloses a simple loading calibration device for an aerodynamic force measurement balance. The device comprises a base, a support rod, a clamping block, a loading sleeve and a core holder; after the whole device is assembled, different faces of the base are fixed to an optical table through screws, weights are loaded on corresponding mount points on the loading sleeve, and the function of conducting quantitative loading of axial force, normal force, yawing force, rolling moment and yawing moment on the balance is achieved. Accordingly, by designing the simple rod type strain balance loading calibration device, simple calibration work of the balance in the patching link is achieved, all strain bridge forms of the balance can be loaded effectively to inspect the patching quality, the balance patching efficiency is greatly improved, and then support is provided for carrying out an wind tunnel experiment as planned.

The invention provides a calibration sample of an ion mobility spectrometer as well as a preparation method and a use method thereof. The preparation method comprises the following steps of: heating or dissolving a plastic raw material into a liquid state; then, adding a standard substance to the plastic raw material in the liquid state; fully and evenly stirring the plastic raw material in the liquid state and the standard substance to form a liquid mixture; and finally, solidifying the liquid mixture to form the calibration sample existing in a solid form. By adopting the technical scheme, the invention solves the technical problems of high preparation and use requirements, inconvenient storage and carrying, unsafety, environmental pollution, and the like due to the organic solution mode of the calibration sample used in the prior art, also simplifies the calibration work of the ion mobility spectrometer and saves time and labor.

The invention relates to the technical field of a battery management system, in particular to a new energy automobile battery management system. The new energy automobile battery management system comprises a battery management unit and a battery control unit; the battery management unit is used for acquiring battery brick information and uploading the information to the battery control unit whichis communicated with the battery management unit; and the battery control unit receives the battery brick information uploaded by the battery management unit which is in communicating connection withthe battery control unit, and performs SOC estimation and balanced control operation. Equivalent parameters of the battery are estimated by a real-time on-line estimation method, so that the SOC state of a battery pack is estimated accurately. The calibration work of the battery is simplified through real-time on-line estimation. Accurate control on the battery pack state with low consistency isrealized. Through real-time on-line estimation, both the new battery and the aged battery can maintain high precision and high error correction capability.

The invention discloses a control method used for a discharge opening of a cone crusher with multiple hydraulic cylinders. The method includes the steps of initial value setting, new lining plate calibration, discharge opening calibration and lining plate replacement. The discharge opening of the cone crusher with the multiple hydraulic cylinders can be accurately measured through an absolute value encoder, and the problems existing in a proximity switch pulse counting method are solved.

The invention discloses an optical deflection microscopic surface measuring method. The method comprises the following steps that a structural position parameter S of the optical deflection microscopic surface measuring device is measured and calibrated by adopting three-coordinate measuring equipment; phase distribution of a deformed fringe light signal is calculated according to the measured andcalibrated structural position parameter S, wherein the deformed fringe light signal comprises microscopic surface profile characteristic information of a to-be-measured element; actual light spot distribution corresponding to the microscopic surface of the to-be-measured element is acquired according to the phase distribution; and the actual light spot distribution is compared with preset ideallight spot distribution to obtain a microscopic surface profile of the to-be-measured element. Correspondingly, the invention further discloses an optical deflection microscopic surface measuring device. By means of the method and the device, the microscopic measurement technical scheme with the high precision, the low cost, the high spatial resolution and the high measurement speed is realized.

A work machine includes a vehicle body and a work implement attached to the vehicle body. A system calibrates the work machine by using an external measurement apparatus. The system includes an attitude sensor, a positional sensor attached to the vehicle body, a storage device, an input device and a processor. The attitude sensor outputs attitude data indicative of an attitude of the vehicle body. The storage device stores machine data indicative of a position of the positional sensor in a vehicle body coordinate system. The input device receives an input of calibration data including a position of a predetermined measurement point on the work machine measured by the external measurement apparatus, and a position of the positional sensor measured by the external measurement apparatus. The processor calibrates the machine data based on the calibration data and the attitude data.

The invention discloses a phase selection switch verifying device and a phase selection switch verifying method. The phase selection switch verifying device comprises a single chip microcomputer MCU, a smoothing and isolating changing circuit B1, an isolating circuit B2, an upper computer PC, a three-phase selection switch PSS, a serial communication interface of the single chip microcomputer MCU is connected with a serial communication interface of the three-phase selection switch PSS and a serial communication interface of the upper computer PC. A PO1 interface of the single chip microcomputer MCU is connected with an SO signal input interface of the smoothing and isolating changing circuit B1, an IS signal output interface of the smoothing and isolating changing circuit B1 is connected with an IP2 interface of the three-phase selection switch PSS, and D01, D02, D11, D12 and D13 interfaces of the single chip microcomputer MCU are respectively connected with corresponding interfaces of the isolating circuit B2. The method is used for manufacturing the special device for automatic verification, complex manual operation is not needed, therefore, man-made mistakes are avoided, and the verifying efficiency is improved.

The invention discloses a snapshot method and device and a computer storage medium, and belongs to the field of intelligent security and protection. In the method disclosed in the invention, the corresponding relationship between the radar coordinates and the PTZ coordinates is determined according to the positioning coordinates of the first radar, the positioning coordinates of the dome camera, the positioning coordinates of one calibration point in the normal direction of the first radar and the PTZ coordinates when the dome camera shoots the first radar. Thus, before snapshot, only the plane coordinate of the first radar, the plane coordinate of the dome camera, the plane coordinate of one calibration point in the normal direction of the first radar and the PTZ coordinate of the first radar shot by the dome camera need to be acquired; there is no need to configure four calibration points in advance and determine the calibration radar coordinate and the calibration PTZ coordinate ofeach calibration point; calibration work before snapshot is simplified, and popularization of the snapshot method provided by the invention is facilitated.

The invention discloses a thermal overload release adjusting device for a molded case circuit breaker. The device comprises a mounting assembly, a release stroke tester and a thermal overload releaseadjusting assembly; the mounting assembly comprises a mounting plate, fixing screws and positioning pieces; the thermal overload release adjusting assembly comprises a thermal overload release adjusting reference plate, reference plate springs and hand screws; the fixing screws penetrate through first mounting clamping grooves to mount and fix the positioning pieces on the mounting plate; the positioning pieces enable the thermal overload release adjusting device to be installed and positioned on a circuit breaker needing to be detected; the release stroke tester is installed at the second mounting clamping groove of the mounting plate through screws; and the thermal overload release adjusting reference plate and the reference plate springs are fixed at the mounting hole positions of the mounting plate through the hand screws. The thermal overload release adjusting device for the molded case circuit breaker has rich functions, is simple in structure and convenient to disassemble, repair and maintain; and the production and verification work of the circuit breaker can be simplified, so that the production and verification of the circuit breaker are quantified.

The invention provides a calibration device for a large weighing apparatus, the calibration device comprises a lever, a support assembly, a pull rod assembly and a weight set, the weight set is installed at one end of the lever, the pull rod assembly is installed at the other end of the lever, and the support assembly is installed on the upper end face of the weighing apparatus to be calibrated and supports the lever upwards; the lever is kept horizontal by adjusting the pull rod assembly or the support assembly, so that downward force is applied to the weighing apparatus through the support assembly. According to the calibration device for the large weighing apparatus, on the premise that the calibration precision is guaranteed, the workload of field calibration is reduced, and the calibration efficiency is improved. The weight carrying is reduced, and the time and the cost can be greatly saved. The calibration device can realize calibration automation. Compared with other weight calibration substitution methods, the calibration device is higher in precision and simpler and more reliable in force value traceability.

The invention relates to the technical field of TV tracking system simulation, in particular to a method and system for calibrating zero position of screen observation equipment. The method includes the following steps: generating a plurality of observation points on a screen, and establishing a screen with a selected point on the screen as the origin Coordinate system, determine the pixel position of the observation point of each observation point in the screen coordinate system and the observation angle parameters of each observation point observed by the observation equipment; establish the pixel position of the observation point and the observation angle parameters of each observation point. The observation matrix equation for calibrating the position parameter; according to the observation matrix equation of the observation point, the position parameter to be calibrated of the observation equipment is determined. This solution can solve the problems in the prior art that the center point of the screen observation device is manually adjusted to coincide with the center point of the screen, and the operation process is very complicated and the precision is low.