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Test-driven verification/validation of model transformations

László LENGYEL,Hassan CHARAF

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 2,   Pages 85-97 doi: 10.1631/FITEE.1400111

Abstract: In this way, verification/validation methods can guarantee different requirements stated by the actualmodel transformation verified/validated, discusses the different scenarios of model transformation verificationand validation, and introduces the principles of a novel test-driven method for verifying/validatingWe provide a solution that makes it possible to automatically generate test input models for model transformationsFurthermore, we collect and discuss the actual open issues in the field of verification/validation of

Keywords： Graph rewriting based model transformations     Verification/validation     Test-driven verification    

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Intensity Theory and Test Verification

Liu Dabin,Han Wenba,Cai Bingqing and Han Xiaodong

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 44-52

Abstract: A comparative study is developed between the test results of pulling or pressing in single directionIt is shown that the new balance particle intensity theory is more coincident with the test results than

Keywords： intensity theory     test results     yield     stress state    

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Theoretical modeling and experimental verifications of the single-compressor-driven three-stage Stirling-type

Haizheng DANG, Dingli BAO, Zhiqian GAO, Tao ZHANG, Jun TAN, Rui ZHA, Jiaqi LI, Ning LI, Yongjiang ZHAO, Bangjian ZHAO

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 450-463 doi: 10.1007/s11708-018-0569-8

Abstract: This paper establishes a theoretical model of the single-compressor-driven (SCD) three-stage Stirling-typeThe main differences between the SCD type and the multi-compressor-driven (MCD) cryocooler are analyzed

Keywords： single-compressor-driven     three-stage     Stirling-type pulse tube cryocooler     theoretical modeling     experimentalverification    

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Semantic Consistency and Correctness Verification of Digital Traffic Rules

Lei Wan,Changjun Wang,Daxin Luo,Hang Liu,Sha Ma,Weichao Hu,

Engineering doi: 10.1016/j.eng.2023.04.016

Abstract: In response, we propose a method of formal verification that combines equivalence verification with modeldigital traffic rules can be obtained by utilizing the proposed traffic rule digitization flow and verification

Keywords： Autonomous driving     Traffic rules     Digitization     Formalization     Verification    

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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: power station auxiliaries, and transmission and distribution installations are given together with verificationThe verification results for operation availability data show that the maintenance coefficients for electric

Keywords： repairable system     power equipment     electric generating unit     power station auxiliary     transmission and distribution installation     reliability     availability     availability growth model    

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Modelling and experimental verification on concrete-filled steel tubular columns with L or T section

LU Xilin, LI Xueping, WANG Dan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 163-169 doi: 10.1007/s11709-007-0017-z

Abstract: Concrete-filled steel tubular columns with L or T sections were analyzed in this paper. According to the confining mechanism, the stress-strain constitutive model was put forward, and calculated results were compared with experimental records. After that, the hysteretic rules for the in-filled concrete were constructed, aiming at the analysis on the seismic behavior of composite members. The simulation analysis was performed by programming it in Fortran. The models in this paper can be applied in the program of time history analysis on tall buildings with concrete-filled steel tubular columns with L or T sections.

Keywords： hysteretic     confining mechanism     Concrete-filled     in-filled     composite    

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Establishment and verification of a shrinking core model for dilute acid hydrolysis of lignocellulose

Cunwen WANG, Xiaoling DUAN, Weiguo WANG, Zihao LI, Yuanhang QIN

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 413-419 doi: 10.1007/s11708-012-0212-z

Abstract: The kinetics of lignocellulose hydrolysis under the conditions of high temperature and dilute acid (mass fraction 0.05%) was investigated in this paper. By studying the reducing sugar concentration versus reaction temperature (170°C–220°C) and reaction time (150–1800 s) during the hydrolysis process of five kinds of crop straw (rice, wheat, cotton, rape and corn), the shrinking core model was established, and the differential equation of the model and its analytical solution were obtained. With a numerical calculation method, the kinetic equation was estimated, and the degradation of reducing sugar obeyed first-order kinetics was obtained. The calculated results from the equations agreed well with the original experimental data. The calculation by the model showed that the reducing sugar concentration increases as the size of the particles decrease, and the uniform particles increase.

Keywords： lignocellulose     dilute acid hydrolysis     shrinking core model    

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Numerical simulation and experimental verification of chemical reactions for SCR DeNO

Qiang ZHANG, Yonglin FAN, Wenyan LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 523-528 doi: 10.1007/s11705-010-0520-y

Abstract: Then calculated results were compared with catalyst activity test data in a power plant, which proved

Keywords： SCR     NOx     removal efficiency     chemical reactions     simulation    

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Design method and verification of a hybrid prosthetic mechanism with energy-damper clutchable device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 747-764 doi: 10.1007/s11465-021-0644-4

Abstract: Transfemoral amputees (TAs) have difficulty in mobility during walking, such as restricted movement of lower extremity and body instability, yet few transfemoral prostheses have explored human-like multiple motion characteristics by simple structures to fit the kinesiology, biomechanics, and stability of human lower extremity. In this work, the configurations of transfemoral prosthetic mechanism are synthesized in terms of human lower-extremity kinesiology. A hybrid transfemoral prosthetic (HTP) mechanism with multigait functions is proposed to recover the gait functions of TAs. The kinematic and mechanical performances of the designed parallel mechanism are analyzed to verify their feasibility in transfemoral prosthetic mechanism. Inspired by motion–energy coupling relationship of the knee, a wearable energy-damper clutched device that can provide energy in knee stance flexion to facilitate the leg off from the ground and can impede the leg’s swing velocity for the next stance phase is proposed. Its co-operation with the springs in the prismatic pairs enables the prosthetic mechanism to have the energy recycling ability under the gait rhythm of the knee joint. Results demonstrate that the designed HTP mechanism can replace the motion functions of the knee and ankle to realize its multimode gait and effectively decrease the peak power of actuators from 94.74 to 137.05 W while maintaining a good mechanical adaptive stability.

Keywords： hybrid transfemoral prosthetic mechanism     energy recycling     wearable mechanical clutched device     mechanical adaptive stability    

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Expert networks as science-policy interlocutors in the implementation of a monitoring reporting and verification

Remi CHANDRAN, Tsuyoshi FUJITA, Minoru FUJII, Shuichi ASHINA, Kei GOMI, Rizaldi BOER, Muhammad ARDIANSYAH, Seiya MAKI

Frontiers in Energy 2018, Volume 12, Issue 3,   Pages 376-388 doi: 10.1007/s11708-018-0559-x

Abstract: This calls for the development of a measurement, reporting and verification (MRV) system and a Capacity-building

Keywords： MRV     CBIT     UNFCCC     Indonesia     Japan     ICT based monitoring     climate policy    

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State-of-the-art on theories and applications of cable-driven parallel robots

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0693-3

Abstract: Cable-driven parallel robot (CDPR) is a type of high-performance robot that integrates cable-driven kinematic

Keywords： cable-driven parallel robot     kinematics     optimization     dynamics     control    

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Man-machine verification of mouse trajectory based on the random forestmodel Research Articles

Zhen-yi XU, Yu KANG, Yang CAO, Yu-xiao YANG

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 7,   Pages 925-929 doi: 10.1631/FITEE.1700442

Abstract:

Identifying code has been widely used in man-machine verification to maintain network security.The challenge in engaging man-machine verification involves the correct classification of man and machineIn this study, we propose a random forest (RF) model for man-machine verification based on the mouse

Keywords： Man-machine verification     Random forest     Support vector machine     Logistic regression     Performance metrics    

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Function-oriented optimization design method for underactuated tendon-driven humanoid prosthetic hand

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0696-0

Abstract: study, a function-oriented optimization design (FOD) method is proposed for the design of a tendon-driven

Keywords： function-oriented     tendon driven     prosthetic hand     optimization     humanoid     underactuated    

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The Theoretic Evaluation and Verification for the Necking Force of the Cone-shaped Concave Die

Hu Chengwu,Luo Wenbo,Peng Yanrong

Strategic Study of CAE 2005, Volume 7, Issue 6,   Pages 54-56

Abstract:

Necking force is the main failure factor to the unstabitily of the thin-wall cylindrical parts. In order to improve the calculation precision of the necking force , Сторожев and Унксов separately put forward two different calculation methods about the necking force of the thin-wall cylindrical parts which take into consideation the thickness changing, the hardening effect and the friction function. In this paper, the results of the two calculation methods are analyzed by example,and are compared with experimented data. The results of two calculation methods are close to each other, and tally with experimented data.

Keywords： necking force     theoretic evaluation     verification    

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Parametric study on damage control design of SMA dampers in frame-typed steel piers

Xiaoqun LUO, Hanbin GE, Tsutomu USAMI,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 384-394 doi: 10.1007/s11709-009-0065-7

Abstract: This paper focuses on damage control design of SMA dampers in steel frame piers. A parametric study based on time history analyses is carried out on frame-typed bridge piers with axial-type SMA damping device. The parameters examined are design parameters of strength ratio and stiffness ratio . Seismic performance indexes on displacement and strain are investigated under three JRA recommended Level 2 Ground Type П strong earthquake motions. Design recommendations are suggested following the results of the parametric study.

Keywords： damage control design     shape memory alloy     parameter study     displacement-based verification     strain-basedverification     time history analysis    

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Title Author Date Type Operation

Test-driven verification/validation of model transformations

László LENGYEL,Hassan CHARAF

Journal Article

Intensity Theory and Test Verification

Liu Dabin,Han Wenba,Cai Bingqing and Han Xiaodong

Journal Article

Theoretical modeling and experimental verifications of the single-compressor-driven three-stage Stirling-type

Haizheng DANG, Dingli BAO, Zhiqian GAO, Tao ZHANG, Jun TAN, Rui ZHA, Jiaqi LI, Ning LI, Yongjiang ZHAO, Bangjian ZHAO

Journal Article

Semantic Consistency and Correctness Verification of Digital Traffic Rules

Lei Wan,Changjun Wang,Daxin Luo,Hang Liu,Sha Ma,Weichao Hu,

Journal Article

Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Journal Article

Modelling and experimental verification on concrete-filled steel tubular columns with L or T section

LU Xilin, LI Xueping, WANG Dan

Journal Article

Establishment and verification of a shrinking core model for dilute acid hydrolysis of lignocellulose

Cunwen WANG, Xiaoling DUAN, Weiguo WANG, Zihao LI, Yuanhang QIN

Journal Article

Numerical simulation and experimental verification of chemical reactions for SCR DeNO

Qiang ZHANG, Yonglin FAN, Wenyan LI

Journal Article

Design method and verification of a hybrid prosthetic mechanism with energy-damper clutchable device

Journal Article

Expert networks as science-policy interlocutors in the implementation of a monitoring reporting and verification

Remi CHANDRAN, Tsuyoshi FUJITA, Minoru FUJII, Shuichi ASHINA, Kei GOMI, Rizaldi BOER, Muhammad ARDIANSYAH, Seiya MAKI

Journal Article

State-of-the-art on theories and applications of cable-driven parallel robots

Journal Article

Man-machine verification of mouse trajectory based on the random forestmodel

Zhen-yi XU, Yu KANG, Yang CAO, Yu-xiao YANG

Journal Article

Function-oriented optimization design method for underactuated tendon-driven humanoid prosthetic hand

Journal Article

The Theoretic Evaluation and Verification for the Necking Force of the Cone-shaped Concave Die

Hu Chengwu,Luo Wenbo,Peng Yanrong

Journal Article

Parametric study on damage control design of SMA dampers in frame-typed steel piers

Xiaoqun LUO, Hanbin GE, Tsutomu USAMI,

Journal Article