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64 results about "Computational design" patented technology

The computational design program focuses on how digital technologies impact the design process, production and the resulting forms and products. Aspects of computational design are explored throughout the community, through research, educational coursework and real world applications.

Temperature control device and control method for batteries of hybrid electric vehicles

The invention relates to a temperature control device and a control method for batteries of hybrid electric vehicles. The temperature control device and the control method have the advantages that requirements on maximizing the capacity of the batteries and space utilization and minimizing modification on vehicle bodies can be met, the integrated temperature control device for the batteries is in a matching computational design, gaps between the single batteries in battery shells are sufficiently utilized, the cooling air volumes are controlled, the single batteries can be cooled or heated by the aid of air in passenger compartments via inner flow guide plates, air channel pipes, air outlet pipes, electronic fans and upper covers, and pressures of the air in the passenger compartments, noise reduction strategies, heat instability faults of the batteries and the like are taken into consideration by the aid of the control method; the temperature control device for the batteries is compact in structure, the batteries can be maintained to the greatest extent and can assuredly work within appropriate temperature ranges, the safety of the batteries can be guaranteed, the service lives of the batteries can be prolonged, the energy utilization rate can be increased, and the comfort of the integral vehicles can be improved.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Method and device for evaluating marketing information design quality

The invention provides a method and a device for evaluating marketing information design quality. The method comprises the steps: respectively and synchronously collecting brain waves and eye movementdata of all design information in to-be-tested marketing information browsed by a testee through four pieces of electroencephalogram measurement equipment and an eye tracker; determining design information gaze duration corresponding to the design information from the eye movement data; for each piece of design information, acquiring design information brain waves in the design information gaze duration; calculating the ratio of the design information gaze duration corresponding to the design information to the browsing duration of the marketing information to be tested to obtain the attention attraction degree; determining an emotion excitation degree according to alpha wave data contained in the design information brain waves, and determining an information transmission degree accordingto alpha wave data, theta wave data and beta wave data contained in the design information brain waves; based on the attention attraction degree, the emotion excitation degree and the information transmission degree, obtaining a design quality evaluation value of the marketing information to be tested. The evaluation accuracy of marketing information design quality can be improved.
Owner:MIAOZHEN INFORMATION TECH CO LTD

Investigation method for no historical data small-watershed flood recurrence interval

ActiveCN106951674AReturn period estimation method directThe return period calculation method is convenientClimate change adaptationSpecial data processing applicationsDesign floodInvestigation methods
The invention relates to a method for investigating no historical data small watershed through a flood frequency curve. The method comprises the following steps that: determining the boundary of a design drainage basin on a work map, selecting one or a plurality of design sections in the design drainage basin, and calculating drainage basin feature values including the area of each design section, a river length gradient and the like; using a rainfall contour line and a variation coefficient contour line to calculate the design storm of each design section in the drainage basin; adopting a reasoning formula method to investigate design flood according to the rainstorm of the design section, and calculating the flood of the design section; drawing the frequency calculation achievement point of each design section on Haisen frequency paper to obtain the flood frequency curve of each design section in the small watershed of a no-data area; and according to existing flood, checking a flood frequency curve, and determining the flood recurrence interval. By use of the method, a basis is provided for carrying out next computer programming, conveniently determining the design flood and determining the flood recurrence interval.
Owner:陕西省水文水资源勘测局

Simplified weighted repeat pseudo-median filtering method with negative coefficients

The invention discloses a simplified weighted repeat pseudo-median filtering method with negative coefficients. The method comprises the following steps: taking the frequency response characteristics of an approximation same-order finite impulse response (FIR) filter as an objective, designing weighting coefficients containing negative numbers for weighted pseudo-median computation of filtering window data by an MALLOWS comprehensive method, adjusting the window data by the weighting coefficients; simultaneously, computing weighting coefficients based on the slopes of a group of special structures designed for the filter, computing the overall slope of the window data repeatedly by the weighted pseudo median, carrying out linear transformation on the window data by the slope; and finally carrying out weighted computation on the transformed data by the pseudo-median weighting coefficients to obtain the output value of weighted repeat pseudo-median filtering. The method realizes a better frequency selection characteristic than that of the existing negative coefficient weighted median or pseudo-median filtering method, and simplifies computation in the algorithm to meet the requirement of systems with finite resources, such as a wireless sensor and the like for low power consumption.
Owner:CENT SOUTH UNIV

Hub driving system all-in-one integration optimization design method

The invention discloses a hub driving system all-in-one integration optimization design method. According to the technical scheme, the method comprises the steps of defining a design domain and an initialized design variable; by utilizing a multi-field coupling analysis platform, calculating a multi-field coupling characteristic of the design domain; calculating an optimization objective functionand a constraint condition; judging whether a result is converged or not; if the result is converged, outputting the result; performing structure fine adjustment by considering machinability and manufacturability, and re-performing multi-field coupling calculation; if the result is not converged, performing topology optimization of subsystems of the design domain in a subsystem optimization layer;performing system level coordinative optimization on optimal solutions of the subsystems to obtain system level optimal solutions; and performing design variable update by taking the obtained systemlevel optimal solutions as initial values of optimization iteration, and performing a new round of a multi-field coupling calculation iteration process, until a global optimal solution is obtained. The method disclosed by the invention can better solve the problems of conflict of power density and cooling constraints restricting the development of hub driven electric vehicles, smoothness and comfort deterioration and the like at present.
Owner:SHANDONG UNIV OF TECH

MEC calculation unloading method for joint optimization of delay and energy consumption

InactiveCN113992677AIncreased response latencyReduce energy consumptionTransmissionLow overheadComputational design
The invention discloses a delay and energy consumption joint optimization MEC computing unloading method, and aims to solve the problems that in computing unloading of multiple users to multiple servers of an MEC, server resources are scrambled by unloading requests of the users, optimal unloading occurs, the effective utilization rate of the resources is low, the unloading service quality is poor and the like. According to the method, delay and energy consumption serve as constraints, an unloading cost evaluation model is constructed and calculated, in order to determine an unloading target, a server selection operator is designed, a server meeting task response delay is preferentially selected to execute unloading calculation, and an improved difference algorithm with response delay, energy consumption and server load serving as fitness functions is designed; an unloading decision with a low adaptive value is searched, and low-overhead and load-balanced efficient calculation unloading is realized; simulation experiments prove that the method reduces the delay and energy consumption of the mobile edge computing network, improves the task satisfaction response delay rate, balances the load of the server, and improves the user satisfaction, energy consumption efficiency and stability of the mobile edge computing system.
Owner:JIAXING UNIV

BIM-based four-power construction group plan simulation and resource dynamic adjustment method and system

The invention provides a BIM-based four-power construction group plan simulation and resource dynamic adjustment method and system, and the method comprises the steps: calling a WBS process decomposition tree, obtaining the basic information of a process based on WBS, and obtaining a reference construction period; associating sub-nodes in the WBS with sub-nodes in a BBS entity, and calling a design amount; calculating a product of the design amount and a reference construction period to obtain a process construction period; based on the project amount, the total project amount percentage and the construction period, obtaining a planned completion project amount Gantt chart, and inputting the receiving progress information into the planned completion Gantt chart to obtain a comparison chart; inputting the plan engineering information into the BIM model to obtain a plan completion engineering quantity progress chart under the process and construction period dimensions, receiving progressinformation, obtaining a plan and actual completion engineering quantity comparison chart under the process and construction period dimensions, and receiving an actual and plan completion comparisonGantt chart; and judging whether the actual progress lags behind or not, and if so, adjusting the engineering plan. By means of the scheme, online engineering compilation and real-time adjustment canbe achieved.
Owner:INST OF COMPUTING TECH CHINA ACAD OF RAILWAY SCI +2

Artificially turning method of sandy river engineering project mobile bed model and artificially turning diversion trench

InactiveCN102002925BSolve the limitation of insufficient lengthIncrease the length of the riverArtificial water canalsHydraulic modelsRiver regimeEngineering
The invention relates to an artificially turning method of a sandy river engineering project mobile bed model and an artificially turning diversion trench. The method comprises the following steps: arranging artificially turning diversion slots on a reach which has smooth and stable river regime, symmetric geometry form section, riverbed erosion and deposition with small change and transverse distributed flow hydraulic elements; determining the geometric elements of the turning angle, the turning radius, the joint section length and the transition section length of the artificially turning diversion slots; obtaining the sloping according to flow wearing resistance calculated in terms of the model draining flow, flow rate and water-depth parameter; calculating the final slope for designingthe inlet and outlet of the diversion slot by the original sloping and additional sloping of a riverway; calibrating according to the test requirement; adjusting the sloping of the artificially turning diversion slots by the test of different-magnitude flood; and finishing the design of artificially turning diversion slots. By the method and device of the invention, the restriction of insufficient model length can be eliminated under the condition of not changing the model scale.
Owner:YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION
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