Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
33results about How to "Realize reasonable" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Soft rock tunnel deformation control method based on anchor rod force analysis
InactiveCN106499397AThe method steps are simpleEasy to implementUnderground chambersTunnel liningStructure of the EarthForce analysis
The invention discloses a soft rock tunnel deformation control method based on anchor rod force analysis. A soft rock tunnel is excavated and subjected to deformation control construction from back to front according to multiple segments, and when any segment is excavated and subjected to deformation control construction, the method includes the steps that 1, surrounding rock basic mechanical parameters are determined; 2, the tunnel reserved excavated volume is determined; 3, the tunnel is excavated; 4, a tunnel preliminary bracing structure is determined; 5, tunnel deformation control construction is carried out, wherein in the tunnel preliminary bracing construction process, a flexible mold bracing structure is constructed from back to front; 6, a next segment is excavated and subjected to deformation control construction; 7, the step 6 is repeated multiple times till the full excavation and deformation control construction process of the soft rock tunnel is completed. The soft rock tunnel deformation control method is reasonable in design, convenient to achieve and good in use effect, the reserved excavated volume is determined according to the surrounding rock deformation condition of the soft rock tunnel, the flexible mold bracing structure is adopted for carrying out full-section bracing on the tunnel, the flexible mold bracing structure and the tunnel preliminary bracing structure are in coordination deformation, and deformation of the soft rock tunnel can be effectively controlled.
Owner:XIAN UNIV OF SCI & TECH
Input saturation considered asynchronous motor command filter finite time fuzzy control method
The invention discloses an input saturation considered asynchronous motor command filter finite time fuzzy control method. Aiming at nonlinear problems of a motor driving and control system, a fuzzy logic system is adopted for approximation to a nonlinear function in the system, a command filter technique is introduced into a traditional backstepping design method, errors generated in filtering are reduced through introduction of a compensation mechanism, the problem of computation explosion caused by continuous derivation in traditional backstepping control is successfully solved, and control precision is improved. Small system stable tracking errors and short dynamic responding time under finite time control are realized, system convergence rate is increased, and interference rejection capability is improved. Under the condition of consideration of input saturation, bounded parameters of a closed-loop system can be guaranteed, and convergence of tracking errors of the system into a sufficiently small origin neighborhood in finite time can be guaranteed as well.
Owner:QINGDAO UNIV
Excavation and preliminary bracing method for soft rock tunnel
InactiveCN106481343AThe method steps are simpleEasy to implementUnderground chambersTunnel liningRock tunnelWall rock
The invention discloses an excavation and preliminary bracing method for a soft rock tunnel. The excavation and preliminary bracing construction for the soft rock tunnel are performed in sections from back to front. When any section is subjected to excavation and preliminary bracing construction, the method comprises the following steps: 1) confirming basic mechanical parameters of the surrounding rock; 2) confirming the reserved excavated volume of the tunnel: confirming the reserved excavated volume of the currently constructed section according to a theoretical value of inward displacement of the surrounding rock of the soft rock tunnel after being braced; 3) excavating the tunnel; 4) confirming a preliminary bracing structure of the tunnel; 5) constructing the preliminary bracing of the tunnel; 6) performing the excavation and preliminary bracing construction of the next section; and 7) repeating the step 6) till all the processes of the excavation and preliminary bracing construction of the soft rock tunnel are completed. The method disclosed by the invention has the advantages of simple steps, reasonable design, convenience in realization and good use effect; the reserved excavated volume is confirmed according to the surrounding rock deformation condition of the soft rock tunnel; and the steel bracket and the anchoring net sprayed preliminary bracing structure are coordinated for performing all-section preliminary bracing on the tunnel.
Owner:XIAN UNIV OF SCI & TECH
Method and device for transformation of data configuration file in different editions of software
ActiveCN1909693AEasy to convertSolve the problem that cannot be automatically rolled backRadio/inductive link selection arrangementsSpecial data processing applicationsDocument transformationDatabase
The invention relates to a method for converting the data distributing document between different software versions, and a relative device, wherein it comprises: setting the default data distributing document relative to present version; based on said default document and conversion rule, converting the data distributing document in original version into the one in present version, to make the data distributing document automatically convert based on the grammar document and default data distributing document. With said invention, the conversion of data distributing document can avoid background software, and the backspace and upgrade of software versions are consistent.
Owner:HUAWEI TECH CO LTD
Soft rock tunnel excavation method based on anchor bolt stress
InactiveCN106499398AThe method steps are simpleEasy to implementTunnelsAnchoring boltsRock tunnelRock bolt
The invention discloses a soft rock tunnel excavation method based on anchor bolt stress and the soft rock tunnel is excavated by a plurality of sections in a longitudinally direction of the tunnel from rear to front. The method for excavating any section of the soft rock tunnel comprises the following steps: first, determing the basic mechanical parameters of surrounding rock; second, determing the reserved excavation capacity of tunnels: determing the capacity of reserved excavation of the current construction section according to a theoretical value S of the soft rock tunnel inward displacement after the completion of supporting, the S is the sum of plastic displacement of surrounding rock in soft rock tunnel and displacement after shaping deformation of surrounding rock in soft rock tunnel; third, the tunnel is excavated; fourth, the next section is excavated; fifth, repeating step fourth until the full excavation of the soft rock tunnel is completed. The soft rock tunnel excavation method has the advantages of simple steps, reasonable design and convenient implementation, and has good effect. The excavation capacity is determined according to the deformation of the surrounding rock of the soft rock tunnel, which can solve the problem of the reserve deformation of the soft rock tunnel, avoid the problem of soft rock tunnel repair work and cost less.
Owner:XIAN UNIV OF SCI & TECH
Command filter limited time fuzzy control method of permanent magnet synchronous motor
ActiveCN106788046AActive Position Tracking ControlEasy to implementElectronic commutation motor controlVector control systemsPermanent magnet synchronous motorFinite time control
The invention discloses a command filter limited time fuzzy control method of a permanent magnet synchronous motor. The control method is capable of, in allusion to the existent nonlinear problem in a motor drive and control system, introducing a command filter technology into the traditional backstopping design method, and successfully overcoming the problem of 'computation explosion' in the traditional backstopping control caused by the continuous derivation. A fuzzy logic system is used for approaching the nonlinear function in the system, and the command filter backstopping technology is combined with a fuzzy self-adaption method to construct a fuzzy self-adaptive controller; the limited time method has the anti-interference performance and the robustness to the signals, such as the external load interference; and under the limited time control, the system stability tracking error is small, the dynamic response time is short, and the convergence rate and the interference rejection capability of the system are improved. Compared with the prior art, the control method has the faster response speed, the stronger anti-interference performance and the better tracking effect.
Owner:QINGDAO UNIV
Short-distance coal seam roadway excavating and supporting method
ActiveCN106014423AThe method steps are simpleEasy to implementUnderground chambersTunnel liningSupporting systemShortest distance
The invention discloses a short-distance coal seam roadway excavating and supporting method. The method comprises steps as follows: 1, basic mechanical parameters of surrounding rock are determined; 2, reserved excavated volumes of two sides of a roadway are determined; 3, the roadway is excavated; 4, a roadway side supporting structure is determined and comprises roadway supporting units and grouted rock bolts which are arranged in a staggered manner, and the roadway supporting units comprise top plate supporting systems, bottom plate supporting systems and roadway side supporting systems; and the limit caving arch rise is determined; 5, the roadway supporting structure is determined; 6, roadway surrounding rock supporting construction is performed; 7, excavation of the next section and roadway surrounding rock supporting construction are performed; 8, the step 7 is repeated multiple times, and the short-distance coal seam roadway construction process is completed. The method is simple, reasonable in design, convenient to realize and good in use effect, the reserved excavated volumes of the two sides of the roadway are determined respectively according to surrounding rock deformation conditions of the short-distance lower coal seam roadway, and whole section supporting is performed on the roadway through combination of the grouted rock bolts with the roadway supporting units.
Owner:鄂尔多斯市国源矿业开发有限责任公司
Soft rock tunnel construction method on the basis of flexible formwork support
InactiveCN106522978AThe method steps are simpleEasy to implementUnderground chambersTunnel liningRock tunnelStructural stability
The invention discloses a soft rock tunnel construction method on the basis of flexible formwork support. A soft rock tunnel is divided into a plurality of segments from back to front to be subjected to construction. Construction of any one segment comprises the following steps that (1), basic mechanical parameters of surrounding rocks are defined; (2), the tunnel reserved excavating quantity is defined; (3), the tunnel begins to be excavated; (4), A tunnel support structure is defined: the tunnel support structure comprises a tunnel incipient support structure, a flexible formwork support structure and tunnel two-time linings; (5), tunnel incipient support is constructed; (6), the flexible formwork support is constructed; (7), the tunnel two-time linings are constructed; (8), a next segment is constructed; and (9), step (8) is repeated for many times until all the construction processes of the soft rock tunnel are completed. According to the soft rock tunnel construction method on the basis of the flexible formwork support, the method and the steps are easy, design is reasonable, achieving is convenient, and the using effect is good; and the reserved excavating quantity is defined according to deformation conditions of the surrounding rocks of the soft rock tunnel, the flexible formwork support structure is adopted to support full cross sections of the tunnel and subjected to coordination deformation with the tunnel incipient support structure, and thus structure stability of the tunnel two-time linings is guaranteed.
Owner:XIAN UNIV OF SCI & TECH
Roadside support method of short-distance coal seam roadway
InactiveCN105863700AThe method steps are simpleEasy to implementGeometric CADData processing applicationsSupporting systemShortest distance
The invention discloses a roadside support method of a short-distance coal seam roadway. The short distance coal seam roadway includes the steps of firstly, determining the basic mechanical parameters of surrounding rock; secondly, determining the excavation volume of two sides of the roadway; thirdly, excavating the roadway, to be more specific, excavating according to the excavation volume of the two sides of the roadway; fourthly, determining a roadside support structure which comprises a plurality of roadside support units and a plurality of grouting anchoring rods, wherein the roadside support units and the grouting anchoring rods are arranged in a staggered manner; fifthly, performing roadside surrounding rock support construction; sixthly, excavating the next section and performing roadside surrounding rock support construction; seventhly, repeating the sixth step until all the short-distance coal seam roadway is excavated and the roadside surrounding rock support construction is completed. The roadside support method has the advantages that the method is simple in steps, reasonable in design, convenient to implement and good in use effect, the reserved excavation volume of the two sides of the roadway is determined according to the surrounding rock deformation conditions of the short-distance lower coal seam roadway, and the grouting anchoring rods and the roadside support system are coordinated to achieve effective roadside support.
Owner:XIAN UNIV OF SCI & TECH
Method for controlling caving of roof of short distance coal bed roadway
InactiveCN105971630ASimple stepsEasy to implementUnderground chambersUnderground miningCoalEngineering
The invention discloses a method for controlling caving of a roof of a short distance coal bed roadway. The method comprises steps as follows: 1, determination of basic mechanical parameters of surrounding rock; 2, determination of reserved excavated volumes of two sides of a roadway; 3, excavation of the roadway; 4, determination of a roadway side part supporting structure: a roadway support structure comprises roadway support units and grouting anchor rods which are arranged in a staggered manner, and each roadway side part support unit comprises a roof support system and a roadway side part support system; 4, determination of the vector height of extreme caving arches; 5, determination of the roadway support structure; 6, support construction of roadway surrounding rock; 7, excavation of the next section and support construction of the roadway surrounding rock; 8, completion of the construction process of the short distance coal bed roadway after repeated implementation of the step 7. The method adopts simple steps and is reasonable in design, convenient to implement and good in use effect; the reserved excavated volumes of two sides of the roadway are determined according to the surrounding rock deformation condition of the short distance coal bed roadway respectively, and the roadway side parts and the roof are supported through matching of the grouting anchor rods and the roadway support units.
Owner:XIAN UNIV OF SCI & TECH
Method of assuring network side to receive user equipment message
ActiveCN1794622AGuaranteed reliabilityImprove satisfactionError prevention/detection by using return channelData switching networksTelecommunicationsControl channel
This invention discloses a method for guaranteeing the network side receiving information of UE including: the UE designs the information IE in the required refreshment information of MBMS then applies RLC AM mode to send the MBMS required refreshment information with the designed IE to the network side on a control channel. This invention also discloses a method including: a21.UE designs information IE in the required information, a22.UE applies RLC UM mode to send the information with the designed IE to the network side on a control channel, a23.UE judges if it has received the response of the network side when the timer arrives, if so, this time of process is finished, otherwise, UE applies RLC UM mode to send the required refreshment information designed in a21 to the network side again on the control channel.
Owner:HUAWEI TECH CO LTD
Method for preventing and controlling floor heave disease of short-distance coal seam roadway
InactiveCN106202870ASimple stepsEasy to implementSpecial data processing applicationsInformaticsDiseaseSupporting system
The invention discloses a method for preventing and controlling a floor heave disease of a short-distance coal seam roadway. The method comprises the following steps of: 1, determining basic mechanical parameters of surrounding rocks; 2, determining excavated volumes reserved on two sides of the roadway; 3, excavating the roadway; 4, determining a roadway side support structure: the roadway support structure comprises a plurality of roadway support units and a plurality of grouting anchor rods, and the roadway side support units are staggered with the grouting anchor rods and respectively comprise a bottom plate support system and a roadway side support system; 5, constructing a roadway surrounding rock support; 6, excavating the next section and constructing the roadway surrounding rock support; and 7, repeating the step 6 until all the excavation of the short-distance coal seam roadway and the construction process of the roadway surrounding rock support are finished. The method disclosed by the invention is reasonable in design, convenient to realize and good in using effect; and the excavated volumes reserved on the two sides of the roadway are respectively determined according to the surrounding rock deformation condition of the short-distance lower coal seam roadway, and the grouting anchor rods and the roadway support units are matched to effectively support the roadway, so that the floor heave problem of the roadway can be effectively solved.
Owner:XIAN UNIV OF SCI & TECH
Electric vehicle battery charger comprising a pfc circuit
ActiveCN105580258AEasy to implementRealize reasonableBatteries circuit arrangementsCharging stationsVoltage converterElectric-vehicle battery
Owner:META SYST
Soft rock tunnel construction method based on flexible formwork support
InactiveCN106522978BThe method steps are simpleEasy to implementUnderground chambersTunnel liningStructure of the EarthRock tunnel
The invention discloses a soft rock tunnel construction method on the basis of flexible formwork support. A soft rock tunnel is divided into a plurality of segments from back to front to be subjected to construction. Construction of any one segment comprises the following steps that (1), basic mechanical parameters of surrounding rocks are defined; (2), the tunnel reserved excavating quantity is defined; (3), the tunnel begins to be excavated; (4), A tunnel support structure is defined: the tunnel support structure comprises a tunnel incipient support structure, a flexible formwork support structure and tunnel two-time linings; (5), tunnel incipient support is constructed; (6), the flexible formwork support is constructed; (7), the tunnel two-time linings are constructed; (8), a next segment is constructed; and (9), step (8) is repeated for many times until all the construction processes of the soft rock tunnel are completed. According to the soft rock tunnel construction method on the basis of the flexible formwork support, the method and the steps are easy, design is reasonable, achieving is convenient, and the using effect is good; and the reserved excavating quantity is defined according to deformation conditions of the surrounding rocks of the soft rock tunnel, the flexible formwork support structure is adopted to support full cross sections of the tunnel and subjected to coordination deformation with the tunnel incipient support structure, and thus structure stability of the tunnel two-time linings is guaranteed.
Owner:XIAN UNIV OF SCI & TECH
Close distance coal seam roadway excavation method based on roadway's side displacement analysis
ActiveCN106126821AThe method steps are simpleEasy to implementGeometric CADData processing applicationsGeomorphologyCoal pillar
The invention discloses a close distance coal seam roadway excavation method based on roadway's side displacement analysis. The method comprises steps: 1, determining surrounding rock basic mechanical parameters; 2, determining reserved excavated volume of two sides of a roadway, including according to the determined surrounding rock basic mechanical parameters, combined with an inward displacement theoretical value of the pressing-side coal side of an overlaying rock and an inward displacement theoretical value of the pressing-side coal side of a coal pillar, determining reserved excavated volume of two sides of the roadway of a current construction segment; 3, excavating the roadway, including according to the determined reserved excavated volume of two sides of the roadway, excavating the current construction segment from back to front; 4, excavating a next segment; 5, repeating the step 4 for multiple times, until all excavation processes of the close distance coal seam roadway are completed. The method is simple in steps, rational in design, convenient in implementation, and good in use effect. The method respectively determines the reserved excavated volumes of two sides of the roadway according to surrounding rock deformation conditions of a close distance underlying seam roadway, and can solve a problem of intrusion roadway headroom after coal sides deform asymmetrically.
Owner:内蒙古珠江投资有限公司
A Deformation Control Method for Soft Rock Tunnels Based on Bolt Force Analysis
InactiveCN106499397BThe method steps are simpleEasy to implementUnderground chambersTunnel liningStructure of the EarthRock tunnel
Owner:XIAN UNIV OF SCI & TECH
Finite-time Fuzzy Control Method of Command Filtering for Permanent Magnet Synchronous Motor
ActiveCN106788046BActive Position Tracking ControlEasy to implementElectronic commutation motor controlVector control systemsPermanent magnet synchronous motorIndustrial engineering
The invention discloses a command filter limited time fuzzy control method of a permanent magnet synchronous motor. The control method is capable of, in allusion to the existent nonlinear problem in a motor drive and control system, introducing a command filter technology into the traditional backstopping design method, and successfully overcoming the problem of 'computation explosion' in the traditional backstopping control caused by the continuous derivation. A fuzzy logic system is used for approaching the nonlinear function in the system, and the command filter backstopping technology is combined with a fuzzy self-adaption method to construct a fuzzy self-adaptive controller; the limited time method has the anti-interference performance and the robustness to the signals, such as the external load interference; and under the limited time control, the system stability tracking error is small, the dynamic response time is short, and the convergence rate and the interference rejection capability of the system are improved. Compared with the prior art, the control method has the faster response speed, the stronger anti-interference performance and the better tracking effect.
Owner:QINGDAO UNIV
A soft rock tunnel excavation and primary support method
InactiveCN106481343BThe method steps are simpleEasy to implementUnderground chambersTunnel liningEnvironmental geology
The invention discloses an excavation and preliminary bracing method for a soft rock tunnel. The excavation and preliminary bracing construction for the soft rock tunnel are performed in sections from back to front. When any section is subjected to excavation and preliminary bracing construction, the method comprises the following steps: 1) confirming basic mechanical parameters of the surrounding rock; 2) confirming the reserved excavated volume of the tunnel: confirming the reserved excavated volume of the currently constructed section according to a theoretical value of inward displacement of the surrounding rock of the soft rock tunnel after being braced; 3) excavating the tunnel; 4) confirming a preliminary bracing structure of the tunnel; 5) constructing the preliminary bracing of the tunnel; 6) performing the excavation and preliminary bracing construction of the next section; and 7) repeating the step 6) till all the processes of the excavation and preliminary bracing construction of the soft rock tunnel are completed. The method disclosed by the invention has the advantages of simple steps, reasonable design, convenience in realization and good use effect; the reserved excavated volume is confirmed according to the surrounding rock deformation condition of the soft rock tunnel; and the steel bracket and the anchoring net sprayed preliminary bracing structure are coordinated for performing all-section preliminary bracing on the tunnel.
Owner:XIAN UNIV OF SCI & TECH
A method of excavation and support for roadway in short-distance coal seam
ActiveCN106014423BThe method steps are simpleEasy to implementUnderground chambersTunnel liningSupporting systemShortest distance
The invention discloses a short-distance coal seam roadway excavating and supporting method. The method comprises steps as follows: 1, basic mechanical parameters of surrounding rock are determined; 2, reserved excavated volumes of two sides of a roadway are determined; 3, the roadway is excavated; 4, a roadway side supporting structure is determined and comprises roadway supporting units and grouted rock bolts which are arranged in a staggered manner, and the roadway supporting units comprise top plate supporting systems, bottom plate supporting systems and roadway side supporting systems; and the limit caving arch rise is determined; 5, the roadway supporting structure is determined; 6, roadway surrounding rock supporting construction is performed; 7, excavation of the next section and roadway surrounding rock supporting construction are performed; 8, the step 7 is repeated multiple times, and the short-distance coal seam roadway construction process is completed. The method is simple, reasonable in design, convenient to realize and good in use effect, the reserved excavated volumes of the two sides of the roadway are determined respectively according to surrounding rock deformation conditions of the short-distance lower coal seam roadway, and whole section supporting is performed on the roadway through combination of the grouted rock bolts with the roadway supporting units.
Owner:鄂尔多斯市国源矿业开发有限责任公司
Command Filtering Finite Time Fuzzy Control Method for Asynchronous Motor Considering Input Saturation
Owner:QINGDAO UNIV
A Grading System for Improving Human Skill Levels
The invention discloses a scoring system for improving human skill level, comprising: a user registration module, a user login module, an input module, a big data storage module, a planning module, a comparison module, and an information output module; the big data storage module includes: User basic information storage sub-module, evaluation item storage sub-module, scoring standard storage sub-module, efficiency detection content storage sub-module, plan scheme storage sub-module and intelligent plan and node score standard storage sub-module, the input module includes state detection Input sub-module, efficiency detection input sub-module, target input sub-module, plan execution input sub-module. Through this scoring system, users can accurately evaluate users and clarify their own goals in order to formulate scientific solutions to achieve their ideal improvement and goal realization.
Owner:夏云龙
Chemical control preparation for enhancing stress resistance and seed yield of wheats and application thereof
InactiveCN102057915BPromote lower tieImprove drought resistanceBiocidePlant growth regulatorsProtonationChemical control
The invention relates to a chemical control preparation for enhancing the stress resistance and the seed yield of wheats and application thereof, in particular to a chemical regulation preparation for enhancing the low temperature resistance, the lodging resistance, the drought resistance and the seed yield of the wheats and application thereof, belonging to the technical field of crop growth and regulation. The chemical control preparation for enhancing the stress resistance and the seed yield of the wheats comprises the following compositions per kilogram: 0.02-0.06g of auxin, 0.8-1.2g of fluroxypyr, 1ml of surfactant, 1ml of non-protonation polar solvent and the balance of water. The chemical control preparation provided by the invention can control vigorous growth before winter and invalid tillering amount of crops above the ground part, save the nutrients, promote root downward growth, enable stem bases of most wheats to be vertical or approximately vertical to the ground and enhance the winter and prevernal freezing damage resistance and cold damage resistance of plants when enhancing the drought resistance of the plants.
Owner:CROP RES INST SHANDONG ACAD OF AGRI SCI
Call response method, answer server and communication system
ActiveCN101237490BEasy to implementRealize reasonableAnswer-back mechanismsCommunications systemResponse method
The present invention discloses a call pick-up method, a pick-up server and a communication system. After receiving a request, which is sent by a pick-up party, for substituting a caller to respond a call, a pick-up server redirects the call to the pick-up server which controls the talk between a caller and the pick-up party. As the caller is always a call initiating party during the whole call flow, by the caller reinitiating a call or directly routing the call to the pick-up server and the pick-up server controlling the talk between the caller and the pick-up party, the flow is the same as the ordinary flow of the call initiation of the caller in the view from the flow of the caller; a universal means can be adopted to count the fee of the caller, the fact that a universal billing process is required to be modified to support the pick-up service in the pick-up method of the prior art is avoided, so that the implementation of the call pick-up service is simpler, rational and convenient in popularization and application.
Owner:HUAWEI TECH CO LTD
A prevention and control method for the roof caving of coal seam roadway in a short distance
InactiveCN105971630BSimple stepsEasy to implementUnderground chambersUnderground miningSupporting systemStructure of the Earth
The invention discloses a method for controlling caving of a roof of a short distance coal bed roadway. The method comprises steps as follows: 1, determination of basic mechanical parameters of surrounding rock; 2, determination of reserved excavated volumes of two sides of a roadway; 3, excavation of the roadway; 4, determination of a roadway side part supporting structure: a roadway support structure comprises roadway support units and grouting anchor rods which are arranged in a staggered manner, and each roadway side part support unit comprises a roof support system and a roadway side part support system; 4, determination of the vector height of extreme caving arches; 5, determination of the roadway support structure; 6, support construction of roadway surrounding rock; 7, excavation of the next section and support construction of the roadway surrounding rock; 8, completion of the construction process of the short distance coal bed roadway after repeated implementation of the step 7. The method adopts simple steps and is reasonable in design, convenient to implement and good in use effect; the reserved excavated volumes of two sides of the roadway are determined according to the surrounding rock deformation condition of the short distance coal bed roadway respectively, and the roadway side parts and the roof are supported through matching of the grouting anchor rods and the roadway support units.
Owner:XIAN UNIV OF SCI & TECH
Message authorization code managing method, device and system
ActiveCN101754413BDetermine legalityClear legalityAssess restrictionConnection managementTelecommunicationsMessage authentication code
The embodiment of the invention discloses a message authentication code MAC-I managing method, device and system, wherein the method comprises the steps of determining an UE which can start an RRC connection rebuilding process; determining a cell meeting the RRC connection rebuilding condition for the UE and computing and storing the MAC-I of the cell; receiving an RRC connection rebuilding request message with the MAC-I and a cell mark the corresponding cell of which belongs to the cell meeting the RRC connection rebuilding condition, which are sent by the UE; and comparing the MAC-I in the RRC connection rebuilding request message with the MAC-I of the cell corresponding to the cell mark, and deciding whether to accept the RRC connection rebuilding request of the UE or not. The embodiment of the invention provides a detailed technical scheme for MAC-I management by aiming at an intra-eNB scene, clarifies an occasion and a mode for generating MAC-I and effectively supplements the MAC-I management of an LTE system.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Excavation method of soft rock tunnel based on bolt force analysis
InactiveCN106499398BThe method steps are simpleEasy to implementTunnelsAnchoring boltsRock tunnelRock bolt
Owner:XIAN UNIV OF SCI & TECH
Excavation method of roadway in close distance coal seam based on roadside displacement analysis
ActiveCN106126821BThe method steps are simpleEasy to implementGeometric CADData processing applicationsGeomorphologyCoal pillar
The invention discloses a close distance coal seam roadway excavation method based on roadway's side displacement analysis. The method comprises steps: 1, determining surrounding rock basic mechanical parameters; 2, determining reserved excavated volume of two sides of a roadway, including according to the determined surrounding rock basic mechanical parameters, combined with an inward displacement theoretical value of the pressing-side coal side of an overlaying rock and an inward displacement theoretical value of the pressing-side coal side of a coal pillar, determining reserved excavated volume of two sides of the roadway of a current construction segment; 3, excavating the roadway, including according to the determined reserved excavated volume of two sides of the roadway, excavating the current construction segment from back to front; 4, excavating a next segment; 5, repeating the step 4 for multiple times, until all excavation processes of the close distance coal seam roadway are completed. The method is simple in steps, rational in design, convenient in implementation, and good in use effect. The method respectively determines the reserved excavated volumes of two sides of the roadway according to surrounding rock deformation conditions of a close distance underlying seam roadway, and can solve a problem of intrusion roadway headroom after coal sides deform asymmetrically.
Owner:内蒙古珠江投资有限公司
A method for controlling bottom of roadway in short-distance coal seam
InactiveCN106202870BSimple stepsEasy to implementInformaticsSpecial data processing applicationsSupporting systemShortest distance
The invention discloses a method for preventing and controlling a floor heave disease of a short-distance coal seam roadway. The method comprises the following steps of: 1, determining basic mechanical parameters of surrounding rocks; 2, determining excavated volumes reserved on two sides of the roadway; 3, excavating the roadway; 4, determining a roadway side support structure: the roadway support structure comprises a plurality of roadway support units and a plurality of grouting anchor rods, and the roadway side support units are staggered with the grouting anchor rods and respectively comprise a bottom plate support system and a roadway side support system; 5, constructing a roadway surrounding rock support; 6, excavating the next section and constructing the roadway surrounding rock support; and 7, repeating the step 6 until all the excavation of the short-distance coal seam roadway and the construction process of the roadway surrounding rock support are finished. The method disclosed by the invention is reasonable in design, convenient to realize and good in using effect; and the excavated volumes reserved on the two sides of the roadway are respectively determined according to the surrounding rock deformation condition of the short-distance lower coal seam roadway, and the grouting anchor rods and the roadway support units are matched to effectively support the roadway, so that the floor heave problem of the roadway can be effectively solved.
Owner:XIAN UNIV OF SCI & TECH
Realizing method and device for determining safe consultation parameter in switching process
ActiveCN101022647BEasy accessCorrectly selected versionTransmissionSecurity arrangementObject basedBase station
A method for confirming safety consultation parameter in switching over process includes confirming that switch-over is occurred on mobile terminal by service base station of mobile terminal then sending safety consultation parameter information corresponding said mobile terminal to object base station by service base station to let switched-over object base station obtain mobile terminal safety consultation parameter obtained by consultation of service base station.
Owner:HUAWEI TECH CO LTD
Method and device for transformation of data configuration file in different editions of software
ActiveCN100493221CEasy to convertSolve the problem that cannot be automatically rolled backRadio/inductive link selection arrangementsSpecial data processing applicationsDocument transformationDatabase
The invention relates to a method for converting the data distributing document between different software versions, and a relative device, wherein it comprises: setting the default data distributing document relative to present version; based on said default document and conversion rule, converting the data distributing document in original version into the one in present version, to make the data distributing document automatically convert based on the grammar document and default data distributing document. With said invention, the conversion of data distributing document can avoid background software, and the backspace and upgrade of software versions are consistent.
Owner:HUAWEI TECH CO LTD
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com