32 results about "Work Measurement" patented technology

The invention discloses a hand-held line laser three-dimensional measuring system based on spatial wireless positioning, which comprises an indoor wireless positioning subsystem and a hand-held measuring subsystem, wherein the indoor wireless positioning subsystem comprises two CCD cameras and a line laser projector; the hand-held measuring subsystem comprises a computer, at least four signal transmitters and at least three receivers; the two CCD cameras and the line laser projector are packaged into a hand-held support; various signal transmitters are uniformly distributed on indoor ceiling; various receivers are uniformly arranged on the hand-held support; the world coordinate of the hand-held support is obtained by calculation of world coordinates of various receivers received by the computer; and the three-dimensional coordinate of the surface of a workpiece is obtained by processing of two laser stripe images shot by the two cameras. The invention is different from the conventional positioning concept and is not limited by a mechanical positioning device, so that the whole system has the advantages of simplicity, flexibility, large measuring space and the like. Moreover, the system is not limited by the freedom degree in a large work measurement space and can perform measurement at any place and is lightweight and portable.

A wireless equipment management system that is configured to track sensors for work measurement for predetermined events. The sensors are configured to measure event durations of a specific piece of equipment as defined by a user and sent to a Network Management Center. This enables the user to measure work times by configuring work events as sensor input events. The event durations can be displayed and reports can be produced at the Network Management Center.

The invention discloses a data processing method of a power transmission and distribution line, which comprises the steps that an external work measurement database of the power transmission and distribution line is established on the basis of user equipment (UE), and used for recording, querying, editing, inspecting and correcting an attribute, a space and image data of the power transmission and distribution line in real time; data of the external work measurement database of the power transmission and distribution line in the UE is imported into an internal work database in a computer in a synchronous processing mode; and the computer performs storage, interactive query and standing book processing on the data of the external work measurement database through the internal work database. With the adoption of the method, the working quality and the working efficiency are improved, and the working capacity and the working difficulty are reduced.

The invention provides a non-ideal explosive detonation power capability and power measuring device. The device mainly comprises a detonation cavity end cap, a detonation cavity, a nylon sleeve, an impact end cap, a piston rod, a connecting rod, a hydraulic damper, a base and a ceramic shell. A closed cavity design is adopted, all mechanical work done by diffusion of a non-ideal explosive detonation product is measured, explosive detonation instant work power is measured by recording displacement parameters and damping force parameters of a hydraulic damper, and the problem that an existing open type measuring device is incomplete in decompression and work measurement, cannot measure power and the like is solved.

The invention belongs to the field of support damping, and discloses an intelligent constant-force damping support. The intelligent constant-force damping support comprises an outer support shell assembly and a constant-force output assembly, wherein the outer support shell assembly comprises an outer shell, a pre-compression adjusting nut, auxiliary spring end covers and a fixed top cover; the constant-force output assembly comprises a main spring, a main spring top cover, limiting blocks, an auxiliary force output assembly, a connecting kit and pull rods; the auxiliary force output assemblycomprises cam bearing seats, cams, auxiliary springs and spring push seats; and when external kits are stressed by downward pulling force applied by an external structure, resultant force of the forceof the main spring applied to the main spring top cover and the force of the auxiliary springs applied to the profile surfaces of the cams is upward, and the resultant force is identical to the downward pulling force applied to the external kits. The intelligent constant-force damping support has the advantages that the weight volume is small, a structure is symmetrical, horizontal displacement of the damping support in a working process is avoided, the damping support is convenient to mount, constant force can be adjusted, the working measurement range is large, numerical values of displacement and constant force volumes can be output in real time, and the damping support can be widely applied to supporting large-deformation pipelines.

The invention relates to a live-line working measurement method of cable lines of distribution network, which comprises the following steps of: connecting primary-side leads of a current transformer and a capacitive voltage divider with three phases of cable lines with different lengths and conductive cross section parameters of a distributed network to be measured respectively in series and in parallel and connecting secondary-side leads with a wave recorder; jump-connecting cable heads by using connection lines with an insulation rod and serial connection lines with a bodhisattva jumper, unfastening the cable heads, respectively disconnecting and lapping cable lines of each phase for a plurality of times, measuring and recording the waveforms of transient or stable current and voltage; respectively extracting transient voltage, stable voltage, transient current peak value, stable current value and arcing time for operations of the connection lines and the bodhisattva jumper, and selecting the ratio of the transient voltage to the stable voltage as an overvoltage multiple; and obtaining the corresponding relationship among a transient current peak value, the arcing time, the overvoltage multiple and different cable line parameters for operations of the connection lines and the bodhisattva jumper as the safety evaluation basis for selection of live-line working tools of the cable line of the distribution network.

A surface roughness and/or contour shape measuring apparatus for measuring the surface shape of a work measurement surface by moving a probe supported on a cantilever and kept in contact with the work measurement surface and by detecting the displacement amount of the probe is disclosed. The surface roughness and the contour shape of a stepped work bottom portion having bank portions and the bottom portion can be easily measured. The surface roughness and/or contour shape measuring apparatus (1) includes a moving unit (8) for moving the work and the probe (9) relatively to each other in the direction (X) perpendicular to both the longitudinal direction (Z) of the probe (9) and the longitudinal direction (Y) of the cantilever (7).

Systems and techniques for computing a timing effort metric are described. According to one definition, the computed timing effort metric indicates a level of difficulty of fixing a timing violation associated with a timing path between two circuit objects in a circuit design layout.

The invention provides a transcritical CO2 heat pump water heater system optimal exhaust pressure extreme value searching control system and method. In the system, an outlet of a compressor is connected with a refrigerant pipeline inlet of a gas cooler; a refrigerant pipeline outlet of a gas cooler is connected with an inlet of an evaporator through a first pipeline and an electronic expansion valve of a middle heat exchanger; the evaporator is connected with the inlet of a gas-liquid separator; a gas outlet of the gas-liquid separator is connected with an inlet of the compressor through a second pipeline of the middle heat exchanger; system input controlled by an extreme value searching controller is the consumed work measurement value of the compressor; system output is the exhaust pressure set value of the compressor; the water flow and inlet temperature for heat exchange in the gas cooler are kept unchanged, and a first PI controller is used for controlling the rotation speed of the compressor, so that the water-side outlet temperature is not changed; and the exhaust pressure of the compressor is controlled by a second controller by changing the effective circulation area of the electronic expansion valve. The transcritical CO2 heat pump water heater system optimal exhaust pressure extreme value searching control system and method can ensure efficient and stable operation of transcritical CO2 heat pumps.

A method and system are provided. The method includes monitoring, by a processor-based monitoring device, work metrics, indicative of work performance, of a plurality of users. The method further includes soliciting input, by a user input solicitation device, from any of the plurality of users who have success regarding at least one work task, regarding activities which led to the success and suggestions on how other users can benefit from the input. The method also includes providing, by an input dissemination device, the input to a particular user identified from among the plurality of users as needing improvement in performing the at least one work task. The success is determined by evaluating the work metrics with respect to at least one threshold.

The invention relates to an open type servo vibration work measurement system which comprises a work measurement subsystem, a servo vibration subsystem and a control subsystem. The work measurement subsystem is used for measuring power states of an object to be measured and comprises a first connection portion, the servo vibration subsystem is used for achieving mechanical vibration and comprises a second connection portion which is fixedly connected with the first connection portion when a simulation vibration environment is needed providing for the object to be measured, and the control subsystem is used for controlling the work measurement subsystem and the servo vibration subsystem to move. The invention further relates to a method for using the open type servo vibration work measurement system to achieve the vehicle power or the road tests. By means of the system and the method, purposes of synchronously inspecting various tests, reducing equipment investment, reducing manpower resources, shortening test period, lowering testing expenses, expanding the tests and the like are achieved, and various problems in the prior art can be effectively solved.