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221 results about "Dynamic design" patented technology

Systems and methods for providing a dynamic continual improvement educational environment

Dynamic systems and methods for gathering / tracking data, automatically adapting to an individual's pace of learning, selectively determining the type and difficulty of content provided to an individual, selectively providing an exposure frequency for the content, and / or enabling rapid design modifications within the educational environment. Educational content is dynamically designed / developed and customizably presented to an individual learner. An analysis is performed on the data to optimize learning. Modifications are selectively or automatically made to the educational content. The process of designing, implementing, analyzing, and selectively modifying creates a cycle that optimizes the learning process and adapts to groups and individual learners with the goal of improving learning outcomes and efficiency. Furthermore, the educational content is dynamically provided to the learner on an iterative basis according to the need of that learner in the learning process.
Owner:INTELLECTUAL RESERVE

System and method for dynamically designing and evaluating configurable processor instructions

In selecting and building a processor configuration, a user creates a new set of user-defined instructions, places them in a file directory, and invokes a tool that processes the user instructions and transforms them into a form usable by the software development tools. The user then invokes the software development tools, telling the tools to dynamically use the instructions created in the new directory. In this way, the user may customize a processor configuration by adding new instructions and within minutes, be able to evaluate that feature. The user is able to keep multiple sets of potential instructions and easily switch between them when evaluating their application.
Owner:TENSILICA

Declarative Software Application Meta-Model and System for Self-Modification

A solution providing for the dynamic design, use, and modification of models using a declarative software application meta-model that provides for self-modification of a collection of the models is provided. The solution can enable continuous real-time testing, simulation, deployment, and modification of the collection of the models. A model in the collection of the models can represent an entity or a function and can be included in a set of related models. Additionally, a set of related models can include a plurality of sets of related models. The collection of the models can represent, for example, one or more software applications, processes, and / or the like.
Owner:ENTERPRISEWEB

Tunnel construction informatization dynamic monitoring system and monitoring method thereof

The invention discloses a tunnel construction informatization dynamic monitoring system and a monitoring method thereof. The system comprises an industrial personal computer, a PLC (programmable logic controller) wireless controller, a high-configuration digital camera, a deformation monitoring sensitization part, digital display acquisition equipment, wireless transmission equipment and a dynamic design feedback device. The method includes: 1), controlling commands to be transmitted to the PLC wireless controller by a computer control main station and controlling the digital camera and the digital display acquisition equipment; 2), acquiring internal force monitoring data by the aid of the digital display acquisition equipment; and acquiring a deformation monitoring image via the deformation monitoring sensitization part by the digital camera; 3), transmitting a monitored value to the computer control main station by the aid of the wireless transmission equipment; 4), analyzing results by the computer control main station via a real-time analysis module; and 5), transmitting the analyzed results to the dynamic design feedback device, analyzing relative difference of the really monitored value and a standard value, and early warming in real time by an early warning module. The tunnel construction informatization dynamic monitoring system is scientific, safe and practical, the method is convenient, instant, fast and effective, and safety problems in construction monitoring of tunnels are avoided.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Highway measuring and setting method based on three-dimensional airborne LIDAR

The invention discloses a road measurement method based on 3D plane-carried LIDAR. The steps include: firstly, constructing GPS base stations in a measurement area and setting technical parameters based on a road design proposal by employing a ground data collection system and taking a plane as a platform; secondly, building a database of a large amount of high density DEM data, and performing dynamic block management on the database via a range index file to satisfy rapid scheduling of required data in design procedure; thirdly, generating a 3D DLG based on DEM and DOM; fourthly, generating ground broken section data satisfying road measurement and design requirement of construction blueprint; and fifthly, realizing 3D visibility and dynamic design based on combination of plane-carried LIDAR and road CAD to automatically generate various design schemes and construction blueprints. The inventive method has the advantages of simple and convenient operation, directly-realized road measurement and construction blueprint design based on data generated by a plane-carried LIDAR, reduced external field work flow, shortened measurement and design period, and greatly increased measurement and design efficiency.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD

Synthetic modeling method of rotor and airframe coupling dynamics modality

The invention discloses a synthetic modeling method of rotor and airframe coupling dynamics modality, and belongs to the dynamic design technology of helicopters. The synthetic modeling method of the rotor and airframe coupling dynamics modality is suitable for the dynamic stability and dynamic response analysis modeling of single-rotor and multi-rotor coupling. The synthetic modeling method analyzes the air resonance instability of a rotor blade by aiming at the rotor blade operation pneumatic environment of a flight state stipulated by a flight envelope rule which needs to considers to cover and properly exceed the performance requirements of the helicopter, researches the influence of high-speed high-overload flight state parameters, looks for the structural design parameters of rotors, blades and a steering control system which cause or affect the generation of the air resonance, and determines the instability boundary of the air resonance. Through the sensitivity analysis of the air resonance by the structural design parameters, a structural design parameter range which affects the air resonance is determined, and a design measure for expanding the security boundary of the air resonance is put forward.
Owner:CHINA HELICOPTER RES & DEV INST

Hydraulic support and surrounding rock coupling three-dimensional dynamic design method

The invention discloses a three-dimensional design method of a hydraulic support, which considers the dynamic effect of surrounding rocks positioned on a coal face. The three-dimensional design method of the hydraulic support comprises the following steps of: simulating the motions of a top plate, a coal bed and a bottom plate in the advancing process of the coal face by adopting discrete element software; building a support-surrounding rock three-dimensional coupling model, and computing the reverse supporting effect and the control action of the hydraulic support on surrounding rock motion; circularly optimizing support parameters to obtain a structure which has optimal supporting effect on the surrounding rocks; simulating to obtain the distribution regularity of the tension, the bending and the torsion internal force of a part of the hydraulic support by adopting dynamic software under the stress conditions, i.e. unbalance loading, torsion, impact of caving rocks on a shield beam of the hydraulic support, and the like, of the hydraulic support at different time, on different positions and under different geological conditions of coal face advancing; and designing and optimizing the structure form of the hydraulic support by combining with structure arrangement requirements and adopting a finite element method. The three-dimensional design method can effectively enhance the adaptive capacity of the hydraulic support on surrounding rock change, strengthen the stability and the reliability and ensure that the coal mining work is safely and efficiently carried out.
Owner:CCTEG COAL MINING RES INST

Structural dynamic design method for high-pressure rotor of aircraft engine

Disclosed is a structural dynamic design method for a high-pressure rotor of an aircraft engine. The relationship between high-pressure rotor model design parameters and rotor vibration characteristics is determined, so that the design method and criterions are provided for dynamic design of the high-pressure rotor, and the method is of great guiding significance to the design of the high-pressure rotor of the aircraft engine. The method includes: establishing a dynamic model and a dynamic equation of the high-pressure rotor to obtain a nondimensionalization characteristic equation; introducing an equivalent critical speed, and determining a two-order critical speed range of a high-pressure rotor system according to the equivalent critical speed; changing a conventional equilibrium amount configuration method by configuring residual disequilibrium amount phases; configuring a ratio of rotor pole rotation inertia to mass center rotation inertia in design according to a specific design objective; establishing configuration criterions for a rotor bearing stiffness ratio. A conventional design process is changed, structural dynamic active design of the high-pressure rotor is realized, the design process is optimized beneficially, design cycle is shortened, and the method has important construction value.
Owner:NORTHWESTERN POLYTECHNICAL UNIV +1

High-speed bogie dynamic design method based on anti-snake movement frequency band energy absorption mechanism

InactiveCN104787074AIdeal stable and robust performanceReduce lateral coupling strengthBogiesBogieEnergy absorption
The invention discloses a high-speed bogie dynamic design method based on an anti-snake movement frequency band energy absorption mechanism. A high-speed train is viewed as a closed-loop system, and advanced correction is conducted on an instable snake movement oscillating phenomenon of a bogie by means of an adaptive control mode. According to an anti-snake movement matching principle, an optimal distribution theoretical scheme of the bogie is determined. A novel anti-snake movement damper using a double-flow control principle is selected and used, a technical implementation mode of the novel anti-snake movement damper is worked out by using an anti-snake movement series stiffness judging principle, anti-snake movement is restrained softly, or an expansion bag is added into an auxiliary cavity. The dynamic performance assessment should have three stable features of a high-speed bogie. In order to lower lateral coupling strength, a train body model state form is reorganized to analyze aluminum alloy train body lateral coupled oscillation inherent features, the lateral stiffness of a suspension point is determined according to a harmonic vibration reduction mechanism, according to a structural damping constraint effect, the damping optimum value of rubber proportions is selected, a bolt pre-tightening or deadweight wedge-caulking rubber suspension mode is used, and therefore desired stable robust performance of bogie optimal match is achieved.
Owner:DALIAN JIAOTONG UNIVERSITY

Design method of IG541 gas fire extinguishing system

The invention discloses a design method of an IG541 gas fire extinguishing system which essentially consists of a high pressure gas storage bottle, a gas delivery pipeline, a pressure reducing device, a gas nozzle, a fire detection device and a gas blowing controlling system. A dynamic design calculation method is adopted by the method, high pressure gas is blown to each protective area through the pipeline from the gas storage bottle, the continuous change process of gas pressure and flow of each node in the pipeline system is dispersed, the continuous process is dispersed by overlaying 0.1s time slides, the gas pressure and flow in each time slide is considered to be constant in the current time slide, the pressure and gas flow of each node in the pipeline system are calculated in each time slice respectively so as to carry out design calculation of the pipeline system in the gas fire extinguishing system. By adopting a dynamic design philosophy, the calculation result is accurate and scientific, thereby not only extinguishing fire reliably, but also ensuring that people are not suffocated as a result of large amount of gas blown in the protected area in the case of fire.
Owner:浙江信达可恩消防股份有限公司

Novel high speed pantograph and lightweight dynamic design method thereof

InactiveCN110126625AReduce contact dynamicsAvoid implicating sports relationshipsGeometric CADDesign optimisation/simulationBogieRail profile
The invention discloses a novel high speed pantograph and lightweight dynamic design method thereof. Optimization of bogie parameters is led according to a root locus diagram, the dynamic action of the contact rail of an abrasion wheel is lowered, under the condition of uniform / normative wheel rail profile matching, the limiting speed is improved up to 480 km / h; through optimal design of rubber suspension parameters of equipment under a vehicle, the transverse vibration mass of hostling flexible vehicle body is decreased, and under reasonable and scientific repair program and repair system, the construction speed is increased up to 400 km / h. In order to better count input stimulus formed by high speed pantograph net contact, a fully flexible pantograph landing model and a hostling vehiclerigid flexible coupling simulation model are systematically integrated to construct a wheel rail pantograph net double coupling simulation technology platform. According to complex constraint and accurate analyze of internal force, analysis of a typical case indicates that a novel lightweight design form is needed by an ultra-high speed pantograph, namely the hinging constraint force between an upper arm and a lower arm and the dynamic load effect are reasonably dispersed and reduced through a duck-egg-shaped joint structure, and thus high cycle fatigue is transformed to a static strength problem.
Owner:DALIAN JIAOTONG UNIVERSITY

Multi-unmanned-plane pattern formation method based on pattern database

The invention relates to a multi-unmanned-plane pattern formation method based on a pattern database. The multi-unmanned-plane pattern formation method based on a pattern database includes the following steps: 1) according to a formation pattern request in a formation task, selecting a basic pattern in a preset pattern database, and utilizing the basic pattern to construct the formation pattern, wherein the formation pattern includes a lead plane pattern node, a plurality of wing plane pattern nodes and a pattern entrance position, and the pattern entrance position is the spatial position followed by the lead plane node in real time; 2) establishing a corresponding designation relation between each pattern node in the formation pattern and unmanned planes; and 3) according to the task pattern entrance position carried in the formation task and the corresponding designation relation, determining the absolute position desired value of each unmanned plane, and performing formation arrangement according to the formation pattern. The multi-unmanned-plane pattern formation method based on a pattern database realizes arbitrary combination of patterns, and realizes quick, visual and dynamic design of pattern and dividing and recombination of the basic elements of a complicated pattern at the same time.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Declarative software application meta-model and system for self-modification

A solution providing for the dynamic design, use, and modification of models using a declarative software application meta-model that provides for self-modification of a collection of the models is provided. The solution can enable continuous real-time testing, simulation, deployment, and modification of the collection of the models. A model in the collection of the models can represent an entity or a function and can be included in a set of related models. Additionally, a set of related models can include a plurality of sets of related models. The collection of the models can represent, for example, one or more software applications, processes, and / or the like.
Owner:ENTERPRISEWEB

Self-adaptive formation method applied to networked cluster intelligent agent system

The invention provides a self-adaptive formation method applied to a networked cluster intelligent agent system and belongs to the technical field of formation control of the networked cluster intelligent agent system. The self-adaptive formation method comprises the following steps: describing formation stability of the networked cluster intelligent agent system by utilizing a consistency regionanalysis method; designing a basic form of a self-adaptive time-varying formation controller; carrying out dynamic design on the coupling strength of the self-adaptive time-varying formation controller by utilizing a self-adaptive parameter design method; designing the measurement based on distributed local relative information to an increment speed of the coupling strength; bringing the self-adaptive time-varying formation controller to the networked cluster intelligent agent system to form a closed ring system; analyzing the formation stability of the closed ring system by applying a self-adaptive analysis and Lyapunov method, so that time-varying formation of the networked cluster intelligent agent system is realized. According to the method provided by the invention, the stability of the self-adaptive controller to the time-varying formation of the networked cluster intelligent agent system is ensured, and a self-adaptive time-varying formation design of the networked cluster intelligent agent system is realized.
Owner:RES & DEV INST OF NORTHWESTERN POLYTECHNICAL UNIV IN SHENZHEN +1

Design method for heptafluoropropane gas fire-extinguishing system

The invention relates to a design method for a heptafluoropropane gas fire-extinguishing system. The fire-extinguishing system is mainly composed of a high-pressure fire-extinguishing agent storage bottle group, a fire-extinguishing agent conveying pipe network and nozzles which are sequentially connected, wherein the fire-extinguishing agent conveying pipe network comprises a main pipe, an ascending pipe and a high-pressure hose which are connected with the high-pressure fire-extinguishing agent storage bottle group, and branch pipes connecting the main pipe with the nozzles; and the high-pressure hose is connected to the main pipe through a follow collection pipe. According to the design method disclosed by the invention, a dynamic design and calculation method is adopted, during a process of spraying a high-pressure liquid onto the nozzles in each protection area through the fire-extinguishing agent conveying pipe network from the high-pressure fire-extinguishing agent storage bottle group, the process of continuous changes of the pressure and the flow speed of the liquid at each point in the fire-extinguishing agent conveying pipe network is subjected to discretization processing, one continuous process is discretized to be formed by superposing a plurality of time slices with a time step Delta t, the pressure and the flow speed in each time step are regarded as constant, and the pressure and the speed of the liquid at each node in the pipe network in each time step are calculated respectively.
Owner:浙江信达可恩消防实业有限责任公司

Automatic and dynamic design of cache groups

A system and method is provided for automatic and dynamic adaptation of cache groups in a database system having one or more processors. The method includes analyzing a database query and determining if a set of predicates in a predicate pattern are suitable for inclusion in one or more cache groups, with the one or more cache groups having one or more cache tables; mapping value-based predicates in the predicate pattern to a filling column in the one or more cache tables; and mapping equi-join predicates in the predicate pattern to a referential cache constraint in the one or more cache tables. New cache groups can be created for predicate patterns occurring more frequently and existing cache groups can be deleted if the frequency of the predicate pattern falls below a predetermined threshold value.
Owner:SOFTWARE AG

Heavy haul railway turnout static and dynamic design model construction method

The invention discloses a heavy haul railway turnout static and dynamic design model construction method. The heavy haul railway turnout static and dynamic design model construction method is characterized in that the method comprises the steps of performing quasi-static analysis on a heavy haul railway turnout based on a finite-element theory, and simulating rail, rail fastening, sleeper, ballast and limiter structures and filler structures to construct a heavy haul railway seamless space coupling entity analysis model; constructing a dynamic analysis model to perform dynamic simulation calculation on car-heavy haul turnout coupling, wherein the dynamic analysis model comprises a freight train model, a heavy haul railway turnout model and a wheel-rail contact model. By adopting the technical scheme, the constructed heavy haul railway seamless space coupling entity analysis model and the constructed dynamic analysis model can provide higher-simulation-degree models for heavy haul railway turnout design and analysis; by using the models constructed by adopting the scheme provided by the invention, heavy haul railway turnouts which can fully meet use requirements can be designed.
Owner:CHINA SHENHUA ENERGY CO LTD +1

Method for achieving anti-snaking broadband energy absorption mechanism and optimal configuration method for parameters of bogie

ActiveCN105109510AOvercome constraintsMeet the technical requirements of cross-line applicationBogiesBogieEnergy absorption
The invention discloses a method for achieving an anti-snaking broadband energy absorption mechanism and an optimal configuration method for the parameters of a bogie. According to the method and the optimal configuration method, a dynamic design method is mainly applied, and lead-lag correction of unstable snaking oscillation phenomena of the bogie is achieved in a self-adaptive control manner; an anti-snaking redundant design form of an ICE3 prototype is borrowed, the anti-snaking broadband energy absorption mechanism is achieved through combination application of novel anti-snaking vibration reducers, and the method and the optimal configuration method are simple and applicable; and an anti-snaking soft constraint or anti-blocking technology is borrowed, the hydraulic rigidity is properly reduced, and rheology nonlinear influences are avoided. By means of the method and the optimal configuration method, the design defects of the ICE3 bogie prototype are overcome, a high-speed-rail passenger-dedicated development manner is gradually changed, and then the rate of return on investment is increased; in addition, the adaptability and the friendliness to track lines are improved, and the railway construction investment cost can be saved; and meanwhile the robustness of perturbation or disturbance of natural factors is improved, and particularly when the method and the optimal configuration method are used for mountain lines, and the structural technical service cost can be obviously reduced.
Owner:DALIAN JIAOTONG UNIVERSITY

Flexible, dynamic design to allow for fixed and percentage discount pricing at configurable option levels

A method and system are disclosed for enabling fixed and percentage discount pricing at configuration option level, when a configurable product is ordered. The method comprises the steps of creating a condition table having information used to determine both fixed and percentage discount pricing. A Contract is also provided having information used to determine those discounts. When a product is ordered against the Contract, information from both the Contract and the condition table are used to determine the appropriate discount, if any, for each selected option item. The appropriate discount may be a fixed price discount, or a percentage discount based on the list price for the option.
Owner:IBM CORP

3D optical grating flexible glue printing technology

The invention discloses a 3D optical grating flexible glue printing technology. The 3D optical grating flexible glue printing technology comprises the following steps that a heat transfer printing release oil layer is printed on coated paper; a first white ink coating is arranged on the heat transfer printing release oil layer in a screen printing manner; a multi-angle dynamic design / pattern is printed on the first white ink coating in an offset printing manner; the multi-angle dynamic design / pattern is covered with a flexible glue film; a semi-finished product obtained in the previous step is subjected to hot pressing, an optical grating pattern is formed on the flexible glue film, and the multi-angle dynamic design / pattern shows the 3D effect; and the coated paper is stripped, a second white ink coating is subjected to screen printing, and a finished product is obtained through cropping according to the specification. The 3D optical grating flexible glue printing technology has the beneficial effects that technology steps are simple, and the multi-angle dynamic design / pattern can be smoothly arranged on the flexible glue film through heat transfer printing through usage of the heat transfer printing release oil and white ink; PVC and TPU flexible glue films are subjected to hot pressing into an optical grating, a soft presswork which shows the 3D effect through multi-angle appreciation is manufactured, the application range of the presswork can be widened, and the 3D optical grating flexible glue printing technology is not limited in application of simple packaging materials or book printing.
Owner:GUANGZHOU FUCHEN PACKAGE PROD CO LTD

Dynamic Design Partitioning For Diagnosis

Aspects of the invention relate to techniques for fault diagnosis based on dynamic circuit design partitioning. According to various implementations of the invention, a sub-circuit is extracted from a circuit design based on failure information of one or more integrated circuit devices. The extraction process may comprise combining fan-in cones of failing observation points included in the failure information. The extraction process may further comprise adding fan-in cones of one or more passing observation points to the combined fan-in cones of the failing observation points. Clock information of test patterns and / or layout information of the circuit design may be extracted and used in the sub-circuit extraction process. The extracted sub-circuit may then be used for diagnosing the one or more integrated circuit devices.
Owner:SIEMENS PROD LIFECYCLE MANAGEMENT SOFTWARE INC

A virtual rewiring method for configuring parameterized inputs and visualized outputs of a scheme

The invention relates to a virtual line changing method for configuring parameterized input and scheme visual output, which comprises the following steps: 1, planning site layout; 2, modeling the special machine equipment; 3, carrying out dynamic design of the whole line; 4, the motion control system being connected with a virtual device; 5, constructing a virtual wire changing system; 6: iterative optimization design of the virtual wire changing system. The invention provides a virtual wire changing method for configuring parameterized input and visualized output of a scheme, which solves theshortcomings of the traditional analysis method of quick wire changing that is not systematic enough, global and transparent, and can greatly shorten the wire changing time of a production line.
Owner:GUANGDONG UNIV OF TECH

Industrial robot design and verification-oriented simulation platform and method

The invention provides an industrial robot design and verification-oriented simulation platform and method. The platform comprises a mechanism kinematics design module used for building a kinematics model of an industrial robot and performing analysis on working space, operability and end errors of the industrial robot, a mechanical dynamics design module used for building a dynamics model of theindustrial robot, selecting and configuring a load inertia ratio of the industrial robot and performing analysis on a joint stress of the industrial robot, a control system design module used for establishing a design motion control algorithm and a force and moment control algorithm, and a track planning simulation module used for performing planning and simulation on a path track of the industrial robot. The integrated design of the robot can be realized, so that the research development design efficiency and quality of the robot are effectively improved.
Owner:ROKAE SHANDONG INTELLIGENT TECH CO LTD

Shadow play digital performance platform

A shadow play digital performance platform belongs to the field of the shadow play computer-aided design (CAD) auxiliary performance and is characterized by comprising a system server for storing user information, a platform main controller, a plurality of touch display screens, a plurality of mousse, a plurality of keyboards, a video frequency divider and a main display terminal, wherein the platform main controller is provided with a shadow play digital performance platform software system, the shadow play digital performance platform software system comprises a digital shadow model module for generating a shadow module, a login module for verifying the registration identity of the user, a scene module, a music caption module, a special-efficiency module and a record playback module, the platform main controller respectively controls each mouse and each keyboard or the multi-mode touch display screen to receive the login and motion information of the user, the information of a mouse click position or a touch point position is bond with a flash element of the digital shadow module, all flash elements in the digital shadow module synchronously move along the movement of the click position or the touch point position so as to realize the shadow play performance and the human-computer interaction. The shadow play digital performance platform has advantages of dynamic design and adjustability of the performance process.
Owner:BEIJING UNIV OF TECH

Embedded measuring method for contact press of annular friction pair

InactiveCN103630275ARealize measurementEliminate the effects of contact propertiesForce measurementContact pressureEngineering
The invention discloses an embedded measuring method for the contact press of an annular friction pair. The method comprises the following steps of firstly analyzing the processing process requirement and features of a bearing structure of the friction pair, then determining the distribution and dimension of blind holes in a pairing piece according to the features of the bearing structure, and finally performing strain measurement on the blind holes to obtain the contact press of the friction pair in the region. According to the method, the static and dynamic measurement of the contact press of the friction pair can be realized, and the static and dynamic measurement of the contact press is realized on the premise of not changing the surface contact state of the friction pair, so that the precise press boundary condition of the friction pair is ensured, and at the same time, a theoretical basis is provided for dynamic design of the friction pair.
Owner:BEIHANG UNIV

A Dynamic Design Method of Tunnel Initial Support Based on Deformation-Structure Method

The invention provides a dynamic design method of initial support of tunnel based on deformation structural method. Including: the construction of a beam-spring model of surrounding rock and the initial support structure, the deformation data of initial support are obtained, Calculate the load, determine the structural internal force of the initial supporting structure, determine the safety factorof the initial supporting structure according to the calculation of the structural internal force, evaluate the safety of the initial supporting structure according to the safety factor, and completethe design of the initial supporting structure of the tunnel until the initial supporting structure meets the safety requirements. The invention determines the structural internal force of the initial support through the calculation load of the support deformation, which is high in efficiency, convenience and good in timeliness. It provides the basis for changing the design parameters of the initial support, realizes the dynamic design of the initial support, and realizes the quantification of the initial support combined with the safety factor. The ultimate deformation of the initial supportcan be easily predicted based on the time history curve of the node displacement, so that the ultimate load of the initial support can be predicted.
Owner:SOUTHWEST JIAOTONG UNIV +1

Dynamic design attributes for wafer inspection

Methods and systems for dynamic design attributes for wafer inspection are provided. One method includes, at run time of a wafer inspection recipe, prompting a user of a wafer inspection tool on which the wafer inspection recipe is performed for information for a design based binning (DBB) process. The information includes one or more formulae for calculating design attributes from a design for a wafer. The design attributes are used to bin the defects in the DBB process. The method also includes performing inspection of a wafer according to an updated wafer inspection recipe. Performing the inspection includes binning defects detected on the wafer according to the DBB process in the updated wafer inspection recipe.
Owner:KLA TENCOR TECH CORP

Personalized drill bit dynamic design method for complex difficult-to-drill stratum

ActiveCN110110346ASimple preparation processFully grasp the real property parametersGeometric CADDrill bitsPersonalizationDynamic models
The invention discloses a personalized drill bit dynamic design method for a complex and difficult-to-drill stratum. The personalized drill bit dynamic design method comprises the following steps thatS1, rock drillability indexes of the drilled stratum are obtained; s2, performing drill bit tooth rock breaking digital simulation analysis and a gear ring and drill bit composite rock breaking experiment, and establishing a shaft bottom rock interaction mechanical model; s3, establishing a drill string Drill bit The rock system is coupled with the overall dynamic model; s4, designing the toothshape, the tooth distribution density, the crown shape and the gauge protection structure according to the rock mechanical property of the complex difficult-to-drill stratum; s5, optimizing the parameters of the nozzle and the hydraulic structure of the drill bit by utilizing a computational fluid dynamics theory and a numerical simulation method; s6, a tooth material cobalt removal strengtheningtechnology, a high-strength drill bit body material technology and a special tooth-shaped tooth technology are adopted, and the manufacturing process of the drill bit is optimized; the personalized drill bit design method has the advantages that the personalized drill bit design method for the complex and difficult-to-drill stratum is provided, so that the drill bit development period is shortened, and the development cost is reduced.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY
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