84 results about "Instrumentation" patented technology

The system and method for structuring self-provisioning workloads deployed in virtualized data centers described herein may provide a scalable architecture that can inject intelligence and embed policies into managed workloads to provision and tune resources allocated to the managed workloads, thereby enhancing workload portability across various cloud and virtualized data centers. In particular, the self-provisioning workloads may have a packaged software stack that includes resource utilization instrumentation to collect utilization metrics from physical resources that a virtualization host allocates to the workload, a resource management policy engine to communicate with the virtualization host to effect tuning the physical resources allocated to the workload, and a mapping that the resource management policy engine references to request tuning the physical resources allocated to the workload from a management domain associated with the virtualization host.

A surgical instrument has a shaft, an end effector comprising at least one movably mounted tool element and defining a longitudinal axis, and a force transmitting member mounted in the shaft for movement in the distal and proximal directions for transmitting an actuating force introduced at a proximal end of the instrument onto the end effector in order to move the at least one tool element from a first tool element position to a second tool element position and/or vice versa. The at least one tool element is pivotably mounted on a bearing shaft held on the shaft. The at least one tool element is connected by at least one articulation member, at least a section of which is flexible, to the force transmitting member in order to transmit the actuating force from the force transmitting member onto the at least one tool element.

An instrument is disclosed for measuring resistivity of Earth formations from within a conductive pipe inside a wellbore drilled through the formations. The instrument includes a plurality of housings connected end to end and adapted to traverse the wellbore. At least one electrode is disposed on each housing. Each electrode is adapted to be placed in electrical contact with the inside of the pipe. The instrument includes a source of electrical current, a digital voltage measuring circuit and a switch. The switch is arranged to connect the source of electrical current between one of the electrodes and a current return at a selectable one of the top of the pipe and a location near the Earth's surface at a selected distance from the top of the pipe, and to connect selected pairs of the electrodes to the digital voltage measuring circuit. The pairs are selected to make voltage measurements corresponding to selected axial distances and selected lateral depths in the Earth formations.

This invention discloses an automatic testing method for system product including picking up various parameters set for test instruments, designing a database for maintaining text examples designing a test parameter entry interface recording and editing a test general script to replay the test process. The method is to mask the test examples with parameters necessary for apparatus in testing, utilizing database for storage and management, generalizing the written of script for operating equipment, separating operation with data, providing a graphic interface tool based on the instrument, utilizing capture/ replay test method to create and rectify the test examples and increase test effect.

The invention relates to a device for detecting the life of press keys, comprising a body (1), the bottom of which is provided with a base board (2) extending forwards and used for placing a tested piece (12). The device is characterized in that the body (1) is connected with at least one cylinder (4) which can push against or loosen the press keys on the tested piece (12), the cylinder (4) is connected with an external gas source by an airway tube (10), and the airway tube (10) is connected with a valve used for controlling the cylinder (4). Compared with the prior art, the device has the following advantages: the structure of the device for detecting the life of the press keys is simplified to a maximal degree by applying the pneumatic principle and effective finger-simulated key pressing action by the cylinder, thus providing guarantee for realizing high reliability, high precision and long life of the detecting device, preventing the workpiece from being interfered by electromagnet in the process of detection and solving the life detecting problem of mini press keys of dense layout effectively, and simultaneously, the press force of the cylinder can be movably adjusted according to the bearing pressure of the press keys of the tested piece.

A three-dimensional observation apparatus includes a pair of image projection means, an image display means, a position detecting means for detecting movements of an observer of images displayed by the image display means, and a driving means for tracking movements of the observer and for moving the image display means based on changes of signals that are output from the position detecting means. The pair of image projection means and the image display means are configured such that the pair of image projection means projects a right eye image and a left eye image, and the image display means presents these images to the right eye and left eye, respectively, of an observer. A diffusing means may be provided to enlarge the exit pupils of the three-dimensional observation apparatus.

An apparatus, tool, and method for modifying a portion of a floor plan based on measurements made by one or more sensors. The apparatus comprises a correction unit for compensating the sensor measurements for instrument errors and a layout unit for improving the conformity of the portion of the floor plan to a set of layout rules. The apparatus may also comprise the sensors that made the measurements.

The invention discloses a geological disaster early warning system. The geological disaster early warning system comprises: a data collection module used for obtaining geological data acquired by a field monitoring instrument and transmitting the monitored data to a data processing module; the data processing module used for identifying the data in the abnormal state in the monitoring data and eliminating the data in the abnormal state; a data management module used for storing the processed monitoring data and basic data; a prediction analysis module used for calculating the processed monitoring data according to a preset BP neural network algorithm to obtain a geological disaster prediction value; and an alarm command module used for determining a corresponding disaster grade according to the disaster predicted value after the disaster predicted value exceeds a preset geological disaster safety threshold value, determining the corresponding evacuation information according to the disaster grade, and sending the disaster grade and the evacuation information to a mobile terminal for displaying. The problem is solved that the geological disaster early warning is not inadequately accurate in the prior art.

The invention provides a light source spectrum modulating device. The light source spectrum modulating device comprises a light source, a first collecting optical unit, a chromatic dispersion unit, a digital micromirror array, a second collecting optical unit and a light uniformly blending unit, wherein the first collecting optical unit is used for collecting the light irradiation of the light source; the chromatic dispersion unit is used for chromatically dispersing the light irradiation collected by the first collecting optical unit, and imaging; a digital micromirror array is formed on a focal surface of the chromatic dispersion unit and is used for controlling the overturning state of each micromirror in order to select different spectrum positions and spectrum bandwidths; the second collecting optical unit is used for collecting the light irradiation reflected by the digital micromirror array again and transferring the collected light irradiation into the light uniformly blending unit; and the light uniformly blending unit is used for blending and recombining the separated single-light irradiation. By adopting the light source spectrum modulating device, the light source spectrum can be distributed again, and the distribution characteristic of the light source spectrum can be changed; the light source spectrum modulating device can be applied to the field of calibrating of optical instruments and simulation test; and by adopting the technology provided by the invention, the calibrating precision of the optical instruments and the simulation test capacity can be improved.

The invention discloses a detection method for determining the contents of niobium and tantalum in steel by applying a microwave digestion-ICP-AES (Inductively Coupled Plasma-Atomic Emission Spectrometry). The detection method comprises the following steps of: digesting a sample to be detected by hydrochloric acid, nitric acid and sulfuric acid through a microwave digestion apparatus, and then diluting the sample to be up to a certain volume to obtain liquid to be detected; measuring the intensity of an emission spectrum of the liquid at the wavelength part of an optimum analytical line of an ICP-AES apparatus, and detecting the concentration of the niobium and the tantalum according to a working curve; and calculating the contents of the niobium and the tantalum of the sample to be detected. The detection method can be used for processing the sample simply and obtaining an accurate analysis result, can well meet the requirements on analysis of the contents of the niobium and the tantalum in the steel with various types such as GH350, and can provide the guarantee of the improvement of the quality of the steel and the control on the contents of niobium and tantalum elements.

The invention relates to a device for detecting methane or carbon dioxide through optical interference, which comprises an optical path system using the same optical source to generate two groups of optical interference stripes, an image sensor converting the physical position information of the two groups of stripes into electric signals, and an electric signal collecting and processing part used for identifying the physical positions of the two groups of stripes and finally determining the methane content in the air. The invention also comprises a method for detecting the concentration of methane and carbon dioxide with the advantage of automatic zero tracking and precision automatic compensation capacity. The device and the method have the characteristic of adopting two groups of stripes in the same optical path to realize the differencing of the optical images; then the whole system processes data in a differencing mode, which greatly improves the anti-interference capacity of equipments. The device and the method are based on the automatic compensation principle of instrument precision, solve the difficulties of severe precision unbalancing and severe zero point excursion of the traditional optical interference methane detecting instrument caused by the aberration of the optical system, can intelligently identify when the precision of the instrument is severely unbalanced, and can effectively calibrate.

The invention provides a double-fiber ball-shared coupling micro-measuring-force targeting sensor with an end face micro-structure, and belongs to the technology of precision instrument manufacture and measurement. The sensor comprises a laser device, a beam expanding collimating mirror, a fiber coupling lens, a guide pipe, a microscope objective, a CCD camera, a computer and a probe composed of an incidence fiber, a coupler and an outgoing fiber with the conical end face micro-structure. The coupler serves as a contact of the probe, and light beams are led out through the outgoing fiber with the conical end face micro-structure after being led into the coupler through the incidence optical fiber. The light beams which are led out enter the CCD camera through the microscope objective. The light spot energy center positions formed by the outgoing light beams on the CCD camera can be obtained through the image processing technology, and the targeting condition of the sensor in the space can be obtained through the one-to-one correspondence relation between the light spot energy center positions on the CCD camera and the spatial positions of sensor contacts. The outgoing fiber in the probe of the sensor is provided with the end face micro-structure, the signal to noise ratio of a detection signal is greatly increased, and the measurement resolving power of the sensor is improved.

The invention discloses a pole-side conductor sag observation method based on a total station instrument, which is suitable for performing conductor sag observation at the external side of pole span of an electric transmission line with the total station instrument. The total station instrument is disposed at the external side of the pole span to respectively detect the altitude differences of a conductor wire at mount points on a first pole tower and a second pole tower by means of a prism-free function; by means of a planar triangle formed by the observation point and projections of the mount points on the two pole towers, first planar distance and second planar distance are measured; according to geometric principles, projective triangle interior angles and pole span length are calculated and further the position of midpoint of the pole span is determined; the length from the observation point to the midpoint of the pole span is calculated and is multiplied by the tangent value of elevation angle of the total station instrument to calculate the altitude difference of the conductor wire at the midpoint of the pole span; the average value of the first and the second altitude differences minus the altitude difference of the conductor wire at the midpoint of the pole span is finally calculated to obtain the conductor sag. Compared with a conventional conductor sag measurement method, the method allows optional site selection, has high precision and is simple in operations, and can be used in the fields of ultrahigh-voltage transmission line construction, overhead transmission line engineering construction, and measurement and control technologies and instruments and the like.

A robotic laser-pointing apparatus has an instrument center, a first rotation axis, a second rotation axis, and a pointing axis, with the first rotation axis, the second rotation axis and the pointing axis in a known relationship to the instrument center. A laser source provides a pointing-laser beam along the pointing axis. A pointing drive system aims the laser beam by rotating the pointing axis about the instrument center in response to a pointing-direction control. Focusing optics having a focusing-optics drive serve to focus the pointing-laser beam in response to a focusing-optics control. A processor, responsive to target-position information, generates the pointing-direction control and the focusing-optics control. Some embodiments include an electronic-distance-measurement system having a measurement beam. Some embodiments provide for compensation of aiming errors of the pointing-laser beam and the measurement beam.

The invention discloses an intelligent feedback high-potential therapeutic apparatus and a therapeutic method. The therapeutic apparatus comprises a physiological detection instrument, a single chip microcomputer control circuit, a variable-frequency voltage regulation circuit and a human body contactant which are connected in sequence, wherein an intelligent assessment and optimization module are built in the single chip microcomputer control circuit and is used for comparing one or more human body physiological electrical parameters acquired by the physiological detection instrument with standard human body physiological electrical parameters, judging whether state results of the human body physiological electrical parameters are in an ideal state or not, gradually changing frequency and/or amplitude of output voltage and correspondingly keeping the frequency and/or the amplitude for a certain period according to change of the electrical parameters and change of electrical parameter change rates when the state results are not in the ideal state till the state results are in the ideal state through judgment, and keeping frequency and/or amplitude of corresponding pre-output voltage. In the implementing mode, an application range, the therapeutic effect and the therapeutic time of the high-potential therapeutic apparatus can be widened/improved/shortened.

An integrated circuit device includes a scan driver block, a high-speed interface circuit block, and a scan driver pad arrangement region in which pads electrically connecting scan output lines of the scan driver block and scan lines are disposed. The high-speed interface circuit block includes a physical layer circuit that receives data using differential signals, and a link controller that performs a link layer process. The scan output lines of the scan driver block are provided from the scan driver block to the scan driver pad arrangement region to pass over the link controller while avoiding the physical layer circuit. A common voltage line connecting first and second common voltage pads is provided from the first common voltage pad to the second common voltage pad along a first direction, the common voltage line being provided in a second direction with respect to the physical layer circuit along the first direction in an arrangement region of the physical layer circuit.

The invention relates to a spatial resolution calibration device and a spatial resolution calibration method for distributed fiber-optic sensing. The spatial resolution calibration device and the spatial resolution calibration method for the distributed fiber-optic sensing are easy to understand and operate; and the spatial resolution of various distributed fiber-optic sensors is objectively and accurately calibrated, and a reference is provided for the work such as apparatus selection and purchasing, performance evaluation, monitoring design, measurement and data analysis of a technician. The technical scheme is that: the spatial resolution calibration device for a distributed fiber-optic sensing demodulator is characterized by comprising a water bath which is divided into two parts, wherein one side of the water bath is a low-temperature tank, and the other side of the water bath is a high-temperature tank with a heater; a cover plate is arranged on the water bath; and a reel holder is vertically arranged on each of the two sides of a middle partition plate in the water bath. The device and the method are applied to the spatial resolution calibration of modulation apparatuses such as a Raman optical time-domain reflectometer (ROTDR) and a Brillouin optical time-domain analyzer (BOTDA)/Brillouin optical time-domain reflectometer (BOTDR).

The invention relates to the field of devices or methods for measuring force, torque and pressure, in particular to a method for detecting leakage flow of an automobile oil tank cover. The method for detecting leakage flow of an automobile oil tank cover comprises the following steps: a. preparing testing instruments; b. detecting torque; c. detecting negative flow; d. detecting leakage sum; and e. detecting positive flow. The method for detecting leakage flow of an automobile oil tank cover is characterized by carrying out Step a of preparing the testing instruments according to following steps, wherein the testing instrument comprises a bracket (1), a bottom plate telescopic air cylinder (2), a piston (21), a sealing ring (22), a bottom plate (3), a rotary round disk (4), a division rotator (41), a base (5), a tightening torque claw (6), a bracket telescopic air cylinder (7) and a rotary air cylinder (8). According to the method, the automatic degree is high, the stability is good, and the detection precision is high.

A system, apparatus and method for testing optical fiber systems by providing a near-end and far-end harness that loops the set of fibers in the fiber system together. The near-end harness has an interface to connect to the tester. The tester then effects testing on the entire set of fibers, which are looped together by the configuration of the two harnesses creating a single optical path that traverses the entire set or subset of fibers in the network, so a launched test signal propagates through the entire set of looped fibers, providing measurement results for the fibers.

The invention discloses a pressure balance system of an automatic ELISA (Enzyme-Linked Immunosorbent Assay) plate washer and the ELISA plate washer. The ELISA plate washer comprises a cleaning head, a vacuum pump and a plurality of lotion bottles for providing lotion for a lotion needle of the cleaning head; and the pressure balance system comprises a first multi-path joint, a main exhaust pipe and at least one auxiliary exhaust pipe, wherein the first multi-path joint is connected with the vacuum pump and the lotion bottles and used for balancing the pressure suffered by the lotion bottles, the main exhaust pipe and the at least one auxiliary exhaust pipe are respectively connected with the first multi-path joint and used for discharging air outside, and a switch is arranged on the auxiliary exhaust pipe and connected with a control circuit for controlling the on and off of the switch. According to the invention, the pressure balance system is arranged in the ELISA plate washer, so that the pressure of a pipeline in the ELISA plate washer can be adjusted automatically, the pressure generated by the vacuum pump can be matched with the flow of the lotion needle on the cleaning head automatically, the flowing rate of the lotion distributed for the lotion needle by the cleaning head can be kept consistent under any state, so that when a large plate washer is used for few pore plates, the damage of an instrument as part of washing channel is closed and excessive overflowing liquid overflows a tray and enters the machine can be prevented.

The invention belongs to the technical field of eye movement instruments, and in particular relates to an eye movement instrument and an image processing method. The eye tracker proposed by the present invention includes: a head-mounted main body; a plurality of front cameras, and the plurality of front cameras are arranged on the head-mounted main body at intervals along the circumferential direction, and at least two of the plurality of front cameras can At the same time, the image information of the target scene in front of the head-mounted main body is collected; the control system arranged on the head-mounted main body is connected to the front camera, so that the control system can perform three-dimensional reconstruction of the target scene based on the image information, And/or measure the distance of at least one object in the target scene based on the image information, so as to have a wider collection range and field of view. Moreover, the eye tracker of the embodiment of the present invention has a simple structure, is convenient to use, is comfortable to wear, is safe and reliable.

The invention discloses a method for testing optical attenuation of an LED light source, which comprises the following steps of fixing the LED light source at one end inside a hollow cylinder with a black inner surface, mounting an illuminometer probe corresponding to the LED light source in a corresponding position of the cylinder, reading an illuminance value; immobilizing the LED light source, reading an illuminance value at fixed intervals, reading for many times and recording each illuminance value; calculating optical attenuation according to data read in many times. The invention has the advantages that the illuminometer can read directly, thereby avoiding incorrectness of test result caused by the test instrument; the illuminometer can be read when lights are available, thereby solving the problem of metering distance; and the cylinder with the black inner surface avoids influence of parasitic lights; after mounting, the LED light source is not moved until result is tested, thereby reducing influences of the position and the angle of the light source, the artificial reading difference as well as improving the accuracy of test.

In a work vehicle, a control unit is configured to control a lock-up hydraulic pressure for controlling switching of a lock-up clutch. The control unit is configured to execute a lock-up slippage control for switching the lock-up clutch into a slippage state when the work vehicle starts moving. The control unit is configured to control the lock-up hydraulic pressure based on work instrument load information, pertaining to a load of a work instrument during execution of the lock-up slippage control.

This electronic apparatus includes a plurality of functional blocks, a storage portion storing and accumulating use states of the plurality of functional blocks, and a control portion. The control portion is configured to perform control of disconnecting power supplied to a functional block whose usage rate is not more than a prescribed usage rate, tending to be disused, of the plurality of functional blocks in a state where power is supplied to at least one functional block.

The invention discloses a method for dynamically measuring the rigidity of a silicon balance spring and rotational inertia of a balance wheel and a measurement device. The method comprises the following steps of A, adjusting a measurement state to a vibration state similar to the work of a watch and be close to the working frequency of the watch; B, dynamically measuring the vibration periods TB and TY of a balance wheel and balance spring vibration system; C, calculating the rotational inertia of the balance wheel to be measured and the rigidity of the balance spring to be measured, wherein the rotational inertia JB of a standard balance wheel in a swing body and the rigidity MB of a standard balance spring in the swing body are known; in FORMULA (1) and FORMULA (2), wherein M represents the rigidity of the silicon balance spring to be measured, and J represents the rotational inertia of the balance wheel to be measured. The method has the beneficial effects that the balance wheel and balance spring vibration system consisting of the balance spring and the swing body executes measurement under the condition of same working condition, so that the influence, which is caused by nonlinear errors, on the measurement is eliminated, the measurement speed is high, and the precision is high; the method belongs to a dynamic measurement method. Furthermore, the rigidity of the balance spring and the rotational inertia of the balance wheel can be measured through an instrument by only replacing the swing body.

Instrument coupling interfaces and related methods are disclosed herein, e.g., for coupling a surgical instrument to a navigation array or other component. An exemplary coupling can include a first coupling interface associated with a first object, such as a surgical instrument, and a second coupling interface associated with a second object, such as a navigation array. The coupling interfaces can be configured to ensure that, when mated, the first and second objects are disposed in a known position and orientation relative to one another and blocked from relative movement in all six degrees of freedom. The interfaces can have a geometry that is not overdetermined, minimizing or eliminating navigation inaccuracy associated with system tolerances. An exemplary coupling can include counterpart centering features for blocking X-axis translation and Y-axis translation, counterpart rotation stops for blocking Z-axis rotation, counterpart reference planes for blocking X-axis rotation, Y-axis rotation, and Z-axis translation in a first direction, and a locking element for blocking Z-axis translation in a second, opposite direction.