36results about How to "Test performance" patented technology

Novel tools and techniques are provided for testing performance of network connections. In some cases, a method for testing performance of a network connection might comprise establishing a plurality of test points within one or more segments in the network connection. With a computer, performance of a selected segment of the network connection at one or more first test points may be tested. The selected segment might have a first endpoint and a second endpoint. The performance of one or more sub-segments of the selected segment at one or more second test points may also be tested with the computer. The computer may also determine an isolated performance of a particular one of the sub-segments based on the testing. In some instances, the method might further comprise determining, with the computer, that performance of the one or more sub-segments has affected performance of the network connection.

Glucose measured in blood samples is distinguished from glucose measured in the control solutions used to test the optical instruments which make such measurements. The control solutions contain a labeling substance recognized by the optical instrument to distinguish glucose measurements made of control solutions from those made of blood samples.

The invention discloses a 3D interactive simulated flight path generation method and a 3D interactive simulated flight path generation system, relates to the technical field of air traffic management, and aims to provide a simulated flight path generation method of a variety of flight path data sources in view of the defects of the existing flight path generation process. The method comprises a simulated flight path generation step in which flight path source data is received and a real-time simulated flight path is generated according to the flight path source data, an interactive control step in which a simulation control instruction input by a user is received and the flight path simulation process is controlled according to the simulation control instruction, and a flight path display step in which the result of flight path simulation is displayed.

The invention provides a multi-rotor power testing device, comprising a testing base, a bearing, a vertical arm of force, a horizontal arm of force, and a pressure sensor, wherein the bearing is mounted on the testing base and used for changing directions of tensile and torque generated by a propeller under test during a test, the vertical arm of force is connected directly with the bearing, the horizontal arm of force is vertically mounted below the vertical arm of force, the vertical arm of force is rigidly connected with the horizontal arm of force, a push test mounting face and a torque test mounting face for the propeller are formed above the vertical arm of force, the push test mounting face is perpendicular to the torque test mounting face, and the pressure sensor is mounted below the horizontal arm of force, between the horizontal arm of force and the testing base. A testing system of the invention enables power performance and electrical performance of a multi-rotor unmanned aerial vehicle to be tested effectively and safely and may also meet testing requirements of rotor unmanned aerial vehicles with different arm numbers and driving units of different types.

The invention discloses a turbine compressor test system. The turbine compressor test system is characterized in that rotation output of a motor is driven to a turbine compressor main shaft of a turbine compressor through a transmission case and a torque sensor so as to form a test main engine, an air inlet disturbance unit, an exhaust disturbance unit, an airflow actuating device and a measure and control unit are respectively arranged aiming at the test main engine. The turbine compressor test system provided by the invention can test properties of the turbine compressor under various working conditions such as different air inlet condition saltations, air inlet distortion and exhaust conditional mutation, simulate the excitation of airflow to blades under different work conditions through an experimental method, and measure the parameters including stress and vibration frequency of the blades under situations with different excitation of airflow.

The invention discloses a high temperature high-voltage motor testing device, which includes a cylindrical seal cavity shell, a pressure cylinder and a pressure piston thereof are provided in the cylindrical seal cavity shell, the pressure cylinder, the pressure piston and a bearing joint at the end of the seal cavity shell forms a high pressure seal cavity in the seal cavity shell, the inner of the high pressure seal cavity is filled with hydraulic oil, and a motor fixing sleeve for fixing the motor is mounted in the high pressure seal cavity. The apparatus can test operation situation and operating performance of the motor under and high voltage surroundings.

The invention discloses a quality testing method of a solar photovoltaic cable. The quality testing method comprises the following testing steps of: 1, placing the solar photovoltaic cable in a place with the environment conditions that the temperature is 90 DEG C and the humidity is 85%, carrying out air thermal aging test for 1000h, and after the test is finished, when the maximal change rate of the strength/elongation of the solar photovoltaic cable does not exceed +/-30%, judging the solar photovoltaic cable to be qualified in the test and carrying out a next testing step; and 2, placing the solar photovoltaic cable in a low-temperature refrigerating cabinet at -40+/-2 DEG C, carrying out a low-temperature test for 16 hours, and after the test is finished, when the solar photovoltaic cable has no cracks, judging the solar photovoltaic cable is qualified in the test and carrying a next testing step. The method disclosed by the invention is reasonable, the actual service environment of the solar photovoltaic cable is used during testing, so that the actual quality condition of the solar photovoltaic cable can be tested effectively, the actual service life of the solar photovoltaic cable can be measured, the quality problems are reduced, and the method has extensive popularization and application values.

A method of testing the performance of a biometric authentication system includes conducting an initial biometric authentication transaction for an individual using data associated with the individual, and generating an initial result for the initial transaction with the biometric authentication system. Moreover, the method includes obtaining additional data associated with the individual when the additional data is required for conducting a subsequent biometric authentication transaction or after randomly determining that the subsequent transaction is to be conducted. Furthermore, the method includes conducting the subsequent transaction, generating a subsequent result for the subsequent transaction with the biometric authentication system, and updating cumulative performance records based on the initial and subsequent results. The method also includes generating a summary on a temporal or quantifiable basis that includes the cumulative performance records, and determining the performance of the biometric authentication system using the cumulative performance records or the summary.

A network audio testing system and a network audio testing method thereof for testing the performance of a network communication, system during communication are disclosed. The system includes a processing system and a sound simulation device. The processing system is for generating a near-end simulation signal and a far-end simulation signal. The sound simulation device is for receiving and making a near-end simulation sound. The near-end simulation sound is received by a microphone of the network communication system to generate a first test signal. The processing system further simultaneously makes the sound simulation device sounding the near-end simulation sound and a speaker sounding a far-end simulation sound to obtain a second test signal. The processing system compares the first and the second test signal to obtain an attenuation degree of the near-end simulation signal and a residual energy of the far-end simulation signal.

The invention discloses equipment and a method for testing the bonding fatigue performance of a pavement crack filling material. The experiment equipment for testing the bonding fatigue performance comprises a testing device, a vibration platform and a base, wherein the vibration platform and the base are connected by four springs; the bottom surface of the vibration platform is provided with two motors; the motors are meshed with two eccentric shafts via gears; the two eccentric gears are respectively arranged in the horizontal and longitudinal directions; the bottom surface of the base is provided with a rubber layer so as to prevent the whole device from sliding in running; one of two test elements is fixed on the vibration platform, and the other one is fixed on a testing terminal the bottom of which is provided with universal wheels and which can move freely; two experiment test elements are bonded together via the pavement crack filling material, and vibrate in the longitudinal and horizontal directions; the bonding fatigue performance of the pavement crack filling material is evaluated comprehensively and quantitatively by utilizing the accumulative vibration time and the vibration level of the bonding interfacial failure and the interfacial failure level. The equipment and the method are used for testing the bonding fatigue performance of the pavement filling material.

The invention relates to an automobile ball head durability test method and relates to a test method of automobile parts, comprising the following steps: 1. in a slit slurry water-spraying mechanism, slit and water are mixed in a water storage tank and are fully mixed according to the proportion of 50g/1 liter of the slit and water; 2. a test piece, that is, an automobile ball head is arranged on a test frame of a machine; 3. test equipment is regulated; 4. the test period is set into from 1,000,000 times to 5,000,000 times; 5. the procedures of swinging test, rotating test and slit slurry water spraying are carried out simultaneously, when the test period reaches the setting value, the machine stops, and the test is finished. The method is used for the durability test of the automobile ball head under the condition that severe environment is simulated, so as to test the using performance of the automobile ball to the maximum extent.

As disclosed herein, a method, executed by a computer, for analyzing a performance metric includes distributing link connection information for a network to each node in the network, pairing each node with another node in the network to provide paired nodes, testing a performance metric for the paired nodes, and generating a performance report for the network. The method may further include receiving link connection information for the network. The method may further include constructing a connectivity graph based on the received link connection information. The method can be used to test link performance within non-homogeneous networks. A computer system product and a computer program product corresponding to the method are also disclosed herein.

A network device receives probe packets communicated by a user equipment device. The network device communicates response packets back to the user equipment device, including timestamps, and/or other information. The user equipment device may be configured to test the performance of different portions of a wireless network (i.e., determine an available bandwidth measurement throughput (ABMT) of the wireless network) by accessing different network devices (or information associated with different network devices).

The invention discloses a box type oil distributor rotating test system, and belongs to the field of marine machinery. The system comprises a driving unit which is used for driving the oil distribution shaft of a box type oil distributor to rotate and a hydraulic control unit which is used for testing the oil drainage amount between the oil distribution shaft and the oil distribution ring of the box type oil distributor. Comprehensive detection of the box type oil distributor before use can be realized through the driving unit and the hydraulic control unit so as to produce the box type oil distributor meeting the use requirements.

The invention relates to a rotation mechanism used for a whirling test stand of a vehicle gear box. A gear box is fixedly arranged on the surface on one side of a first plate body; the surface on the other side of the first plate body and a second plate body are in two positions of the coaxial rotation and fixation positions; the second plate body is fixed on a bracket; through-holes are formed on the middle parts of the first and the second plate bodies to allow a transmission shaft to pass through; and the end of the transmission shaft positioned on one side of the first plate body is connected with a power input shaft of the gear box. In the invention, the gear box is fixed on the first plate body, and the rotation of the first plate body on the second plate body realizes the position of the gear box on a whole vehicle on the test stand. After the position of the gear box is fixed, the transmission shaft drives the inner side of the gear box to rotate, thereby testing the performance of the gear box.

The invention discloses a quality inspection machine for bearing detection and repair. The quality inspection machine comprises a machine body, wherein a working space with a forward opening is formedin the machine body, a detection device used for detecting the rotating speed of a bearing is arranged in the working space, and the detection device comprises an adjusting motor fixedly installed inthe working space. The quality inspection machine is advantaged in that the bearing can be completely fixed through a bottom fixing rod and a top fixing rod, then the bearing can be driven to reach arated rotating speed through rotation of a driving wheel, a light-emitting head and a photosensitive recording plate are used for measuring the internal loss degree of the bearing, a nozzle is for oiling repair, so some large bearings can be reused after being repaired, and performance of the bearing can be tested while use cost of the bearing is reduced.

A network device receives probe packets communicated by a user equipment device. The network device communicates response packets back to the user equipment device, including timestamps, and/or other information. The user equipment device may be configured to test the performance of different portions of a wireless network (i.e., determine an available bandwidth measurement throughput (ABMT) of the wireless network) by accessing different network devices (or information associated with different network devices).