13 results about "Computer measurement" patented technology

The invention discloses a computer measurement and control compression tester for packaging product production, and relates to the technical field of computer measurement and control compression testers, the computer measurement and control compression tester comprises hardware equipment and a software system, the software system comprises a data acquisition module, a strength detection module, a feedback control module and a closed-loop adjustment module; the strength detection module is used for analyzing and calculating the collected data so as to obtain various mechanical property parameters of the packaging product; the feedback control module is used for adjusting the driving power of the hydraulic cylinder according to the deviation between an actual value measured by the pressure sensor and a preset target value; hardware equipment and a software system are combined, the data acquisition module adaptively adjusts the sampling frequency, the strength detection module comprehensively analyzes data and obtains multiple mechanical property parameters, the feedback control module regulates and controls the driving power of the hydraulic cylinder based on deviation, the closed-loop regulation module compensates errors in real time, the test precision and repeatability are improved, and the test efficiency is improved. And the intelligent level and the test reliability of the tester are integrally improved.

The present invention relates to a computer measurement method for a blockchain platform. First, competition for usernames is carried out, the information of users is used by means of mapping pairs, a user VIP level adjustment mechanism and a block packaging competition mechanism are established, measurement and paid services are carried out to support the basic services of the blockchain.

The present invention discloses a control method, device, upper computer control system and storage medium for a swing test bench. The control method for the swing test bench includes: receiving the initial platform table inclination angle and the initial platform table rotation direction of the swing test bench set through the upper computer control system, and determining the initial X-axis angle and the initial Y-axis angle of the swing test bench according to the initial platform table inclination angle and the initial platform table rotation direction; after controlling the swing test bench to perform corresponding operations according to the initial X-axis angle and the initial Y-axis angle, obtaining the actual X-axis angle and the actual Y-axis angle; calculating the actual platform table inclination angle and the actual platform table rotation direction according to the actual X-axis angle and the actual Y-axis angle. The flexible test of the swing test bench is realized, the requirements of various test equipment are met, and the applicable range of the swing test bench is wider.

The invention discloses a static load test device for a 35kV disconnecting switch and a test method thereof, and the device comprises a mechanical motion loading system which employs a structure combining a vertical column and a horizontal cantilever, and is integrated with a servo drive module in at least three motion directions; the electrical control system is electrically connected with the mechanical motion loading system and is used for controlling the servo driving module to cooperatively act; and the computer measurement and control system is in communication connection with the electrical control system and is used for setting test parameters, sending a control instruction, collecting data and generating a test report. By adopting a mechanical structure in which the vertical column and the horizontal cantilever are combined and integrating the servo driving modules in three directions, independent or synchronous static load application in three directions can be carried out on the disconnecting switch terminal under the same space-time reference. The limitation that traditional weight loading or simple hydraulic loading can only realize single-direction loading is solved, and the test result is more accurate and reliable.

The invention belongs to the field of power systems, and discloses an oscillation pulse type reactor turn-to-turn insulation detection system and method, and the system comprises an oscillation pulse voltage generator, a tested reactor, and a computer measurement and control and data management unit. The oscillation pulse voltage generator generates oscillation pulse high-voltage waves, and the output end of the oscillation pulse voltage generator is connected with the tested reactor to realize stable application of detection signals; the input end of the computer measurement and control and data management unit is connected to a tested reactor test loop to complete test process control and response signal acquisition and analysis, and the output end of the computer measurement and control and data management unit is connected with the oscillation pulse voltage generator to realize accurate regulation and control of oscillation pulse high-voltage wave output parameters. The system adapts to the inductive load characteristics of the reactor, does not need an additional compensation circuit, can flexibly adjust the detection parameters to adapt to reactors of different specifications, effectively improves the detection accuracy and efficiency, and provides reliable technical support for the standardized development of the detection of the turn-to-turn insulation state of the reactor.

The invention discloses a carbon ceramic resistor transient energy tolerance threshold nondestructive testing method and testing system based on microcrack detection. The testing system comprises a controllable high-voltage direct-current charging power supply, a transient energy discharging unit, a control unit, a transient energy and X-ray micro-CT microcrack detection unit and a computer measurement and control management unit. According to the method, the change rule of the microstructure in the carbon ceramic resistor is obtained, the rule between generation, development and evolution of microcracks in the carbon ceramic resistor and transient energy injection is obtained, the transient energy threshold value capable of being tolerated by the carbon ceramic resistor is determined, and data support is provided for model selection and safe operation of the closing resistor of the circuit breaker.

The invention relates to the technical field of computer measurement and performance testing, and discloses a multi-mode strong-adaptation terminal peripheral delay measurement system and method in order to solve the problems that in the prior art, the full-link delay measurement error is large, and delay of all links cannot be quantitatively decomposed. The system hardware comprises a hardware measuring terminal and an upper computer; the hardware measurement terminal comprises a central control module, a physical trigger module and a photoelectric feedback module. According to the method, multiple test modes are integrated, peripheral equipment, a display and overall interaction delay are measured, and screen brightness jump is accurately judged through a dynamic window calibration algorithm; a built-in RTT delay compensation module of the upper computer is adopted to eliminate system errors; a full-link delay disassembling module arranged in the central control module is utilized to quantify total delay into independent components of peripherals, a display, system processing and a game engine, error tracing and performance bottleneck positioning are achieved, and multi-dimensional, high-precision and self-adaptive measurement of terminal interaction delay in a complex environment is achieved.

This invention relates to the field of computer measurement and performance testing technology. To address the problems of large end-to-end latency measurement errors and the inability to quantify and decompose the latency of each component in existing technologies, a multi-mode, highly adaptive terminal peripheral latency measurement system and method are disclosed. The system hardware includes a hardware measurement terminal and a host computer; the hardware measurement terminal includes a central control module, a physical trigger module, and a photoelectric feedback module. The method integrates multiple test modes to measure the latency of peripherals, displays, and the overall interaction. It accurately determines screen brightness jumps through a dynamic window calibration algorithm; it uses an RTT latency compensation module built into the host computer to eliminate system errors; and it utilizes an end-to-end latency decomposition module built into the central control module to quantify the total latency into independent components for peripherals, displays, system processing, and the game engine, enabling error tracing and performance bottleneck location. This achieves multi-dimensional, high-precision, and adaptive measurement of terminal interaction latency under complex environments.

This invention discloses a pointer instrument reading method and system based on multi-center dynamic fusion and rotational adaptation, belonging to the field of computer measurement technology. Addressing the significant problems of reading accuracy interference and numerical fluctuations in complex industrial environments, this method utilizes the Canny-Zernike model to construct a rotating OBB frame sub-reading edge and a rotating bearing; it improves multi-line intersection points based on the RANSAC algorithm and constructs a multi-source circle center setting source to clearly eliminate outlier hub interference; it achieves multi-center dynamic fusion by setting confidence weights and a minimum amplitude model to obtain the optimal circle center coordinates; it uses a reference physical nominal value amplifier mapping model for adaptive zero-bias correction; and it combines Kalman pistons and fault self-checking mechanism piston jumps to achieve cross-model instrument readout without the need for equipment configuration, significantly improving the measurement accuracy and reliability of industrial inspections.

The invention discloses a new energy automobile range extender rack upper computer measurement and control system, and belongs to the technical field of endurance test and performance test of range extending power systems. GCU and ECU communication lines of the range extender are connected to a CAN bus in parallel to achieve data interaction, communication hardware is correspondingly connected with the CAN bus in parallel and connected with a rack computer, measurement and control software is used for configuring parameters, reading data and processing control instructions through a logic control module and then sending the control instructions to the GCU and the ECU through the CAN bus, the logic control module comprises seven modules, signals and instructions are transmitted through the CAN bus, and the CAN bus is connected with the communication hardware. All the modules work cooperatively according to the corresponding connection relation. The device has remarkable advantages in the aspects of functionality, convenience, safety, stability and test efficiency, can effectively solve many problems in the existing range extender rack test, and provides a reliable and efficient measurement and control scheme for the range extender rack test.

The invention discloses a measurement and control system for electron multiplier acceleration testing, and belongs to the field of electron multiplier service life testing. The system comprises a vacuum system, an electronic gun servo module, a program control high-voltage source, an electrometer, a universal meter and a computer measurement and control program. The system adopts a modular design, and the vacuum system provides an electron multiplier test vacuum degree and an electron gun working vacuum degree; the electron gun servo module comprises an electron gun current source and an electron gun potential servo module and is used for accurately controlling the size of an incident electron beam current of the electron multiplier; the program-controlled high-voltage source can be controlled by a computer program and provides working voltage for the multiplier, and the multiplier is externally connected with a divider resistor port and a current collecting port. The electrometer and the universal meter are used for collecting data. The computer control software is written by MATLAB language and has a graphical interface. After the output of the current source and the potential of the electron gun are fixed, a control program controls the output voltage of the program-controlled high-voltage source through a serial port by collecting the output current of the multiplier, so that the multiplier is ensured to work in a fixed gain mode. The incident current is controlled to be at a relatively large value, and the total output charge number when the multiplier fails can be obtained through an acceleration test in a fixed gain mode.

The invention relates to the field of computer measurement, in particular to an event camera simulation method for calculating shader acceleration and a related device. Comprising the following steps: converting an acquired video frame to obtain a brightness frame sequence; performing logarithmic mapping on the brightness frame sequence to obtain a logarithmic intensity sequence; presetting a nominal threshold value, and performing Gaussian disturbance on the nominal threshold value to obtain a mismatch threshold value; performing linear interpolation on the logarithmic intensity sequence to obtain the intensity at the current moment, triggering an event if the intensity at the current moment exceeds a mismatch threshold value, determining the polarity and the timestamp of the event, and outputting an event sequence according to the polarity and the timestamp; the multi-level parallel computing shader architecture is adopted, compared with the prior art, lower event processing delay and higher real-time processing capacity are achieved, by optimizing a thread distribution strategy and a shared memory access mechanism, the overall processing performance of the system is remarkably improved compared with a traditional scheme, and the requirement for real-time generation of large-scale event streams is effectively met.

1. The name of the design product: Remote Terminal Unit (RTU). 2. The use of the design product: computer measurement and control unit designed for industrial scenes with long communication distance, with remote data acquisition, control, transmission and communication functions, capable of receiving operation instructions from the host computer to control the action of the end execution mechanism. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: Design 1 perspective view. 5. Design 1 is designated as the basic design.