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107results about How to "Guaranteed rigor" patented technology

Evaluation method and evaluation system for evaluating performance of high-capacity battery energy storage system

The invention provides an evaluation method and an evaluation system for evaluating the performance of a high-capacity battery energy storage system. The method for evaluating the performance of the high-capacity battery energy storage system comprises the steps of sequentially evaluating the performance of each battery pack in the energy storage system, and then performing corresponding debugging on the battery pack according to the evaluation result, wherein the performance evaluation of the battery pack is determined with a fuzzy relation matrix established according to grade and evaluation indexes and the weight of each evaluation index as a maximum membership degree. The evaluation system comprises a data acquisition module, a performance index calculation module, a fuzzy relation matrix calculation module and an evaluation matrix calculation module which are connected in sequence. Compared with the prior art, based on the evaluation method and the evaluation system, the consistency performance of the high-capacity battery energy storage system is comprehensively evaluated. Evaluation data are derived from the historical operating data of a battery during operation. The normal operation of the battery energy storage system is not influenced at all. Meanwhile, the implementation is convenient, and the flexibility is high.
Owner:STATE GRID CORP OF CHINA +2

Emotion monitoring method and system

The invention provides an emotion monitoring method and system. The method comprises steps as follows: acquiring ECG (electrocardiogram) data, psychological scale data and motion data of a user; monitoring emotions of the user by the aid of an emotion judging model according to the acquired ECG data, psychological scale data and motion data to generate monitoring results of the emotions of the user. The emotion monitoring method and system solve the problem that existing psychological health related products using mobile client terminals are not accurate enough in emotion judgment.
Owner:CHINA MOBILE COMM GRP CO LTD

Rectangular liquid tank sloshing damping device and rectangular liquid tank hydrodynamic calculation method

The invention discloses a liquid tank sloshing damping device, and particularly relates to a rectangular liquid tank sloshing damping device which comprises a pair of symmetrically distributed horizontal perforated partition plates. A certain distance is reserved between the pair of symmetrically distributed horizontal perforated partition plates, the pair of horizontal partition plates is mountedon the inner side walls of the liquid tank corresponding to the horizontal partition plates through the lead screw sliding block mechanisms, and the positions of the horizontal partition plates are adjusted in the height direction of the liquid tank through the lead screw sliding block mechanisms. Meanwhile, the invention further provides a corresponding rectangular liquid tank hydrodynamic calculation method with a local horizontal perforated plate. The horizontal perforated plate damping device provided by the invention can provide the additional damping when a water body in a cabin sloshes, achieves the technical purpose of reducing the liquid sloshing phenomenon of the rectangular liquid tank, and has a rectangular liquid tank sloshing inhibition effect, and the hydrodynamic calculation method can directly consider the influence of the length, height and porosity of the horizontal perforated plate on the water body sloshing under the specified liquid tank movement displacement andperiod, a calculation and analysis result and a physical model test result are in good conformity, and the reference can be provided for the design of the liquid tank damping device.
Owner:NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG

Power transmission line galloping grading early warning method and system

The invention discloses a power transmission line galloping grading early warning method and system. The method comprises the steps of establishing a recursive hierarchical structure according to a logic sequence of influences of the indexes on galloping; constructing the judgment matrixes of different levels according to the recursive hierarchical structure and the importance between the indexes; performing the consistency inspection, calculating an index combination weight vector by adopting an analytic hierarchy process; carrying out grey class division and normalization processing on the indexes according to different waving states, determining different grey class threshold parameters according to each normalized index value, calculating the corresponding whitening weight function values according to different grey classes, calculating a comprehensive clustering coefficient matrix according to the whitening weight function values and weight vector values, and determining the corresponding waving state according to the maximum membership degree. A according to the power transmission line galloping grading early warning method and system, the hierarchical analysis is adopted for the index system construction, the galloping state judgment and the early warning are considered in a layered mode according to the logic sequence, an analytic hierarchy process is adopted for comparing every two indexes of the same level and mutual influence between different levels through mathematical calculation index quantity weight, and the accuracy is high.
Owner:STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +3

Method for improving mycorrhiza seedling breeding of Tricholoma matsutake and application of method

The invention belongs to the technical field of edible fungi cultivation, and particularly relates to a method for improving mycorrhiza seedling breeding of Tricholoma matsutake and application of themethod. The method comprises the steps of: performing separating and screening and identifying to obtain a Tricholoma matsutake strain YN1 which forms a symbiotic relationship with the rhizosphere ofa pine and has a preservation number of CCTCC NO:M2017719 by using a temperature difference method; adopting a large plate with a diameter of 14.5 cm as a mycorrhization container, adopting pine seeds as a test material, inoculating aseptic-germination pine seedlings and the Tricholoma matsutake strain YN1 to the plate on which cellophane is laid, fixing the pine seedlings by using a sterile barbed wire for cocultivation, performing stationary cultivation in an illumination incubator for 2-3 months, and observing an obvious Tricholoma matsutake mycorrhizal structure under a stereo microscope;and taking the Tricholoma matsutake mycorrhizal structure one year after transplantation is conducted, extracting mycorrhizal genomic DNA, and performing ITS molecule identification to obtain gel images of single bands. After comparison with NCBI, it is determined that the single bands are Tricholoma matsutake, and the accuracy of mycorrhization identification is 100%.
Owner:HUAZHONG AGRI UNIV

Automatic test device for durability of folding mechanism in use performance of folding bed

The invention relates to an automatic test device for durability of a folding mechanism in use performance of a folding bed. The automatic test device comprises a bed body drive component and a bed leg drive component; the folding bed is fixed on a frame with one bed body component, and is used as a supporting point for other components to stretch and stack; the bed body drive component is installed on the frame, and is used for driving other bed body components to complete a folding action by taking the fixed bed body component as the supporting point; and the bed leg drive component is installed on the frame, and is used for driving a bed leg of the fixed bed body component to complete the folding action around the fixed bed body component, and driving a bed leg of a movable bed body component to complete a folding and unfolding action around the movable bed body component synergistically. According to the automatic test device for the durability of the folding mechanism in the use performance of the folding bed provided by the invention, a free ring structure is skillfully utilized to avoid the problem that a rotating shaft of the bed body drive component needs to be coaxial with a changed rotating shaft during the folding process of the bed body component, and the unfolding and stacking of a bed leg mechanism without a fixed rotating shaft are completed through an angle limiting arm structure, so that a function of automatically testing the durability of the folding mechanism is realized, and a testing action is reasonable and precise.
Owner:肇庆鼎湖云威智能科技有限公司

Intelligent archive room real-time data report display system

The invention provides an intelligent archive room real-time data report display system. The system comprises a data collection unit, a data storage unit, an analysis unit, a data management unit, a manual data processing unit and a display unit which are in signal interconnection in sequence; the data collection unit comprises an archive data collection module and an environment data collection module; the analysis unit comprises an archive data analysis module and an environment data analysis module; the data management unit comprises an RFID management module; the RFID management module comprises an intelligent door control management module, a checked vehicle quantity management module and a dedicated archive tag management module; the manual data processing unit comprises a manual data input module and a manual data isolation module; and the display unit comprises a three-dimensional scene display module and a real-time data display module. Document information can be subjected tostatistics, and archive data can be subjected to unified management, so that related personnel can perform monitoring, lookup and statistics conveniently; and collected suspicious data can be markedfor ensuring an operator to perform operation, so that the misjudgment phenomenon caused by the fact that a computer does not perform processing is reduced.
Owner:河南圣佳电子科技有限公司

Vulcanization method for producing low-wear carbon fiber automobile clutch friction plate

The invention discloses a vulcanization method for producing a low-wear carbon fiber automobile clutch friction plate, comprising the steps of preparation of a mixed raw material, feeding and mold assembly, pressurization and heat vulcanization, pressure relief and part taking, blank post-treatment and inspection of a semi-finished product. By adopting an inorganic ceramic fiber material, the friction plate also has better thermal stability and lower thermal conductivity, and meanwhile, each raw material is proportioned by a proportioning machine, so that the proportioning of each raw materialis more accurate, and the preciseness of a vulcanization process is further guaranteed; in addition, the mixed raw material is screened before feeding and mold assembly; one-time hot-press forming isadopted in the hot-press machining process; heat treatment, grinding and polishing are performed on a blank after being formed; and finally, the semi-finished product of the friction plate is detected. Compared with a traditional friction plate vulcanization machining method, the vulcanization method of the invention is simple in procedure, saves the extra cost in the pre-forming process, improves the production efficiency, and improves the mechanization degree of production and machining.
Owner:来安县隆华摩擦材料有限公司

Lubricating grease performance testing system and lubricating grease performance testing method

The application relates to a lubricating grease performance testing system and a testing method. The system comprises an environmental control device and a testing platform, wherein the testing platform comprises a driving device, at least one slider, at least one slide rail and a measuring device; lubricating grease to be tested is pre-attached to a contact surface of the slide rail and the slider before the test; the slider cooperates with the slide rail to make the slider slide relative to the slide rail; the environmental test device is used for setting a measurement environment of the testing platform; in the measurement environment, the driving device is used for driving the slider to start to slide from an initial position of the slide rail; the measuring device is used for measuring a sliding distance between a stop position and the initial position when the slider stops sliding; the sliding distance is used for evaluating the performance of the lubricating grease to be tested.The lubricating grease performance testing system is simple and easy to operate when testing the lubricating properties of lubricating grease. Moreover, the driving device drives the slider to ensurethe initial speed of the slider is obtained every time, thereby ensuring the accuracy and rigor of the test.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

Detection device for tensile test of bridge steel strand

ActiveCN113252482AStrong clamping workAvoid falling off or even smashing the staffMaterial strength using repeated/pulsating forcesStructural engineeringTensile testing
The invention discloses a detection device for a tensile test of a bridge steel strand, a U-shaped box is welded and mounted at the bottom of a top plate, a hydraulic rod and a U-shaped placement box are welded and mounted at the top of the top plate, the U-shaped placement box covers the hydraulic rod, the number of top transverse moving grooves of the top plate is two, the top transverse moving grooves are respectively located at two sides of the U-shaped placement box, transverse moving blocks are slidably mounted in the two transverse moving grooves, fixing blocks are welded to the tops of the transverse moving blocks, a rotary clamping and positioning mechanism is arranged in the position, on the top side of the fixing blocks, of the rack, a transmission type circulating downward pressing mechanism is arranged in the U-shaped placement box, and a mechanical opening type pushing mechanism is arranged in the U-shaped box. According to the detection device, the steel strand can be powerfully clamped, the steel strand can be rapidly stretched, and a certain position of the fixed steel strand can be circularly beaten, so that relatively strict steel strand detection data can be obtained, and manual detection of workers is not needed.
Owner:CHINA RAILWAY SHISIJU GROUP CORP +2

Demand side comprehensive flexible load regulation and control optimization method and system

The invention relates to a demand side comprehensive flexible load regulation and control optimization method and system, and is suitable for coordination method optimization considering demand side comprehensive flexible loads with complex operation. The method comprises the following steps: preprocessing collected historical data; selecting a particle leader in the particle swarm by using a wheel rotation method, and updating the particle speed and the optimal position based on the particle leader; and combining a multi-target particle swarm algorithm with a synchronous back substitution elimination algorithm to obtain an optimal scheme. The system comprises a preprocessing module, a particle leader selection module and an optimization module. According to the invention, the MOSPO algorithm and the synchronous back substitution elimination algorithm are combined for the first time, so the algorithm is more rigorous and accurate. Meanwhile, the MOSPO algorithm is applied to the cold,heat and electricity combination problem for the first time, the problem that various energy storage technologies are combined and conflict with one another is solved, and possibility and a new thought can be provided for further development of an IDR system.
Owner:SHENYANG POLYTECHNIC UNIV +1

Ultra-remote elevator maintenance monitoring method based on LoRa

ActiveCN108792872AImprove the sense of responsibilityPrevent under-inspection and missed-inspectionElevatorsRadio frequencyReliability engineering
The invention relates to an ultra-remote elevator maintenance monitoring method based on LoRa. Radio frequency technology is used for acquiring the information of an inspection personnel reaching a designated elevator, and is equivalent to a radio frequency positioning sign-in, and monitors whether the inspection personnel reaches the site or not, and whether an elevator object to be checked is correct or not. The inspection personnel use a portable collection information input device to collect and input various information of the elevator; and after signing, a maintenance table is uploaded:after the face recognition is successful, the maintenance table can only be uploaded, and the strictness of the maintenance process is guaranteed. All information collected by the collection information input device is packaged and sent through a LoRa module arranged in the collection information input device; the LoRa gateway captures the information sent by the LoRa module, and then the receivedinformation is sent to an elevator maintenance control center through the local area network. According to the method, the personnel in-place dimension detection situation can be monitored, the on-site effectiveness input of the dimension detection information is controlled, and meanwhile, the data is transmitted to the maintenance control center through the LoRa, and powerful data support is provided for later maintenance.
Owner:河南汇纳科技有限公司
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