30results about How to "Comprehensive performance evaluation" patented technology

The invention provides a remote checking and monitoring system for electrical energy measuring instrument, the system is composed of a local unit, a local computer, a remote computer; a local display unit and a remote communication unit are connected with a microprocessor unit; the local computer and the remote computer are connected with the remote communication unit; the secondary voltage of a voltage transformer and the secondary current of a current transformer are connected with a checked ammeter and a standard ammeter in the local unit at a same time. The invention has the advantages that: firstly, an omni-bearing test for the whole electrical energy measuring system can be realized; secondly, a real-time on-line test for the electrical energy measuring system is realized; thirdly, the invention is provided with a remote communication function; fourthly, the invention can be interfaced with electrical energy measuring instruments of different types and from different factories; fifthly, the problems existing in the electrical energy measuring work of electrical customers can be accurately grasped.

The invention provides a method for evaluating performances of normal-temperature modified road asphalt, for solving the following problems: a method for evaluating performances of normal-temperature modified asphalt does not exist in existing national standard and industrial standard; the quality of the normal-temperature modified asphalt is difficult to control; and the application area of the normal-temperature modified asphalt is difficult to determine. The method disclosed by the invention comprises the following steps: (1), respectively measuring the rotary viscosity at 60 DEG C, the penetration, the penetration index, the adhesion with coarse aggregates and the flashing point of the normal-temperature modified road asphalt; and (2), according to test results of the performances, determining application temperature areas of the normal-temperature modified road asphalt including a cold area, a warm area and a hot area. According to the invention, aiming at material composition characteristics and construction forming conditions of the normal-temperature modified road asphalt, the normal-temperature modified road asphalt is comprehensively evaluated in five aspects including workable performance, temperature sensibility, water-resistant peeling and use safety; the application temperature areas of the normal-temperature modified road asphalt are definite; and effective quality assurance is provided for engineering application of the normal-temperature modified road asphalt.

A method for evaluating the comprehensive performance of electric vehicle fast charging facilities of the invention comprises the following steps: collecting comprehensive performance index data; calculating an index weight set; determining the membership according to a trapezoidal membership function and expert scoring; determining a quantitative index fuzzy evaluation vector according to the membership function and index weights; determining a fuzzy comprehensive evaluation value; and determining the evaluation grade of the comprehensive performance of electric vehicle fast charging facilities according to an evaluation value grading standard and the fuzzy comprehensive evaluation value. The comprehensive performance evaluation method put forward by the invention provides detailed reference and guidance for planning construction and operation management of electric vehicle fast charging facilities.

The invention provides a mud cake performance comprehensive evaluation method, which comprises the following steps: (1) placing a loaded mud cake and an unloaded mud cake on a rotating tray; (2) applying a pressure onto the loaded mud cake, and recording the thickness and quality of the loaded mud cake and the unloaded mud cake respectively; (3) starting a linked rotating tray, and increasing therotation speed gradually; (4) recording an unloaded throwing rotation speed; (5) increasing the rotation speed till the loaded mud cake is thrown out from the tray, stopping the rotating tray, and recoding a loaded throwing rotation speed; and (6) evaluating the performance of the mud to be tested comprehensively according to the thickness and quality of the loaded mud cake and the unloaded mud cake, the unloaded throwing rotation speed, the loaded throwing rotation speed and set parameters. The method of the invention is simple, effective and highly maneuverable. In addition, the invention also provides a mud cake performance comprehensive evaluation device using the method.

The invention provides a circular accelerated testing system applied to a blockage mechanism of an irrigation emitter of a drip irrigation system. The testing system comprises an environment simulation and control system and a circular accelerated testing system; the environment simulation and control system comprises a greenhouse light supplementing device, an indoor temperature and humidity controller, water applying equipment and ventilating equipment; the circular accelerated testing system comprises a drip irrigation system body and a water supply system; the invention further provides amethod for the circular accelerated testing system applied to the blockage mechanism of the irrigation emitter of the drip irrigation system. The system can practically simulate the external environment and can regulate multiple factors of temperature, illumination, water quality, fertilizer, gas adding and the like.

The invention relates to a parallel message routing detection method. The method comprises the steps of setting an ICMP (internet control message protocol) message with a detected IP (internet protocol) address A as a target address, calculating hop count n from a measured point to a target node if a response message of the ICMP message is received, otherwise, setting the hop count as 32, setting the ICMP messages of n types with identical target nodes A, respectively setting a TTL (transistor-transistor logic) field of each ICMP message as n different positive integers from 1 to n, transmitting the ICMP messages of the n types from the measured point to the target address, transmitting k ICMP messages of each type, recording a transmitting timestamp, an identification number and TTL of each transmitted message, receiving the response messages of all ICMP messages, printing the received timestamp, recording the identification number of the transmitted message in an array, measuring a timestamp and an IP address of a response message in the record which has the identification number being identical to the that of an original IP message head in the response message, and calculating and outputting a route to the target node and time delay and packet loss of an intermediate node.

The invention provides a method for evaluating performance of normal-temperature modified road asphalt to solve problems that there is no method for evaluating performance of normal-temperature modified asphalt in either a conventional national standard or an industrial standard, the quality of the asphalt is hard to control, and the application area of the asphalt is difficult to determine. The method comprises the following steps: 1) measuring the 60 DEG C rotary viscosity, a cone penetration, a needle penetration after solvent volatilization, and adhesiveness and a flash point of a coarse aggregate of normal-temperature modified road asphalt, respectively; and 2) according to test results of the performance above, determining an applicable temperature zone, including three climatic zones of a cold zone, a warm zone, and a hot zone, of the normal-temperature modified road asphalt. Aiming at material composition characteristics and construction molding constructions of the normal-temperature modified asphalt, comprehensive evaluation is performed from five aspects including instant-mixing-and-instant-paving workable performance, post-storage workable performance, road performance after solvent volatilization, water peeling resistance, and service security. The applicable temperature zone of the asphalt is defined, and effective quality guarantee is provided for engineering application.

The embodiment of the invention provides a benchmark test method and device of a supervised learning algorithm in a distributed environment. The method comprises the steps that a first benchmark test result which is determined according to output data in a benchmark test is obtained; a distributed performance index in the benchmark test is obtained, and the distributed performance index is determined as a second benchmark test result; the first benchmark test result and the second benchmark test result are merged to obtain a benchmark test total result. According to a perfect scheme used for solving a benchmark test problem of the supervised learning algorithm in the distributed environment, the benchmark test method and device can assist technical staff to conduct accurate and quick assessment on the performance of the supervised learning algorithm.

The invention discloses a thermal-protection material thermal prevention and insulation system, a testing method and a heat treatment method. It can be achieved that a spacecraft thermal-protection material is closer to multi-state thermal prevention and insulation performance testing of a service environment. In the meanwhile, in the preparing process of the thermal-protection material, single-face heat treatment or sintering is conducted, the gradient temperature is formed in the thickness direction, the surface undergoes high temperature, service is stable at high temperature, while the inward temperature is gradually lowered, and both the mechanical property and the thermal insulation performance of the material are improved. As is tested, the overall mechanical property of the material can be improved by around 20%, and the heat conductivity can be lowered by 10% or above. Therefore, by means of the testing system, it can be achieved that the thermal-protection material is closerto the multi-state thermal prevention and insulation performance testing of the service environment, it can also be achieved that in the material preparing process, single-surface high-temperature quick heating is conducted, and the comprehensive performance of the thermal-protection material is improved.

The invention relates to an MRTD-based microscopic thermal imaging system performance evaluation method and system. The method comprises the following steps: determining a spectral radiation flux difference of a microscopic thermal imaging system according to a light path structure of the microscopic thermal imaging system; determining an image signal-to-noise ratio of the to-be-measured target received by the microscopic thermal imaging system according to an imaging process of the microscopic thermal imaging system; determining an output image signal-to-noise ratio of a microscopic thermal imaging system according to the spectral radiation flux difference and the image signal-to-noise ratio of the to-be-measured target; determining the minimum resolvable temperature difference of the microscopic thermal imaging system according to the output image signal-to-noise ratio of the microscopic thermal imaging system, the noise equivalent temperature difference of the microscopic thermal imaging system and the minimum resolvable temperature difference of the telescopic mode; and evaluating the temperature resolution capability of the microscopic thermal imaging system according to the minimum resolvable temperature difference of the microscopic thermal imaging system. According to the invention, the performance of the microscopic thermal imaging system can be evaluated accurately and comprehensively.

The invention provides an efficiency evaluation method of an application system. The method includes: setting dimensions used for evaluating efficiency of the application system, wherein the dimensions include a load, performance, capacity, availability, reliability and compliance; respectively setting a corresponding weight for each dimension; and respectively multiplying each dimension by the corresponding weight thereof, and then carrying out summation on products to obtain the efficiency of the application system. According to the method, efficiency evaluation can be scientifically, comprehensively and effectively carried out on the application system, and a basis is provided for construction of a green data center.

The invention relates to a material taking device and a method for a mixing unit. The material taking device for the mixing unit comprises a material taking system (2), a material receiving system (3)and a control system (4), wherein the material taking system is used for taking out a material from a stirrer (1) of the mixing unit, the material receiving system is connected with the material taking system, so as to receive and store the material taken out by the material taking system, and the control system is used for controlling the material taking system and/or the material receiving system in real time according to an instruction set by a user in advance or temporarily. The material taking device provided by the invention has the advantages that the material taking system, the material receiving system and the control system are arranged, so that the user can set the instruction in advance or temporarily in the control system, a function of collecting the mixed material producedby the mixing unit in real time is realized, mixed materials at different moments and in different stages can be collected, quality detection is carried out on the mixed materials, a basis can be provided for optimizing stirring time and increasing stirring efficiency, and stirrer performance evaluation is more comprehensive.