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Journal articles on the topic 'Shape Control'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

FREEMANTLE, MICHAEL. "NANOPARTICLE SHAPE CONTROL." Chemical & Engineering News 79, no. 49 (2001): 10. http://dx.doi.org/10.1021/cen-v079n049.p010a.

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2

Koconis, David B., Låszló P. Kollår, and George S. Springer. "Shape Control of Composite Plates and Shells with Embedded Actuators. II. Desired Shape Specified." Journal of Composite Materials 28, no. 5 (1994): 459–82. http://dx.doi.org/10.1177/002199839402800504.

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The changes in shapes of fiber-reinforced composite beams, plates and shells affected by embedded piezoelectric actuators were investigated. An analytical method was developed to determine the voltages needed to achieve a specified desired shape. The method is formulated on the basis of mathematical models using two-dimensional, linear, shallow shell theory including transverse shear effects which are important in the case of sandwich construction. The solution technique is a minimization of an error function which is a measure of the difference between the deformed shape caused by the applica

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3

Katie, Lu. "Silver Nanoparticles: Reducing Environmental Toxicity Through Shape Control." ESSENCE International Journal for Environmental Rehabilitation and Conservation 9, no. 1 (2018): 14–22. http://dx.doi.org/10.31786/09756272.18.9.1.103.

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4

Nyirő -Kósa, Ilona, Dorottya Csákberényi Nagy, and Mihály Pósfai. "Size and shape control of precipitated magnetite nanoparticles." European Journal of Mineralogy 21, no. 2 (2009): 293–302. http://dx.doi.org/10.1127/0935-1221/2009/0021-1920.

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5

Deckelnick, Klaus, Philip J. Herbert, and Michael Hinze. "A novel W^1,∞ approach to shape optimisation with Lipschitz domains." ESAIM: Control, Optimisation and Calculus of Variations 28 (2022): 2. http://dx.doi.org/10.1051/cocv/2021108.

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This article introduces a novel method for the implementation of shape optimisation with Lipschitz domains. We propose to use the shape derivative to determine deformation fields which represent steepest descent directions of the shape functional in the W1,∞-topology. The idea of our approach is demonstrated for shape optimisation of n-dimensional star-shaped domains, which we represent as functions defined on the unit (n − 1)-sphere. In this setting we provide the specific form of the shape derivative and prove the existence of solutions to the underlying shape optimisation problem. Moreover,

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6

ABELS, ARTUR, and MAARJA KRUUSMAA. "SHAPE CONTROL OF AN ANTHROPOMORPHIC TAILORING ROBOT MANNEQUIN." International Journal of Humanoid Robotics 10, no. 02 (2013): 1350002. http://dx.doi.org/10.1142/s0219843613500023.

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In this paper, we describe a new type of humanoid robot designed for made-to-measure garment industry — a shape-changing robotic mannequin. This mannequin is designed to imitate body shapes of different people. The main emphasis of this paper is on modeling and shape-optimization algorithm used to adjust mannequins shape to resemble the shape of any given person. We represent the whole procedure of adjusting the mannequin to the body shapes of real people. Finally, we provide the estimate of the mannequin's model precision and suitability of the proposed solutions for made-to-measure tailoring

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7

Jensen, Robert E. "Control of mitochondrial shape." Current Opinion in Cell Biology 17, no. 4 (2005): 384–88. http://dx.doi.org/10.1016/j.ceb.2005.06.011.

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8

Bikeev, E. V., M. G. Matylenko, D. O. Shendalev, et al. "Spacecraft reflector shape control." IOP Conference Series: Materials Science and Engineering 734 (January 29, 2020): 012031. http://dx.doi.org/10.1088/1757-899x/734/1/012031.

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9

Chin, Ching Wen, and Motoyasu Tanaka. "Local Shape Transformation of a Snake Robot by Changing Approximation Range on Continuous Curve." Journal of Robotics and Mechatronics 36, no. 6 (2024): 1315–27. https://doi.org/10.20965/jrm.2024.p1315.

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A snake robot can form various shapes by fitting to an arbitrary continuous curve thanks to its numerous degrees of freedom. When traversing an unknown complex environment, a snake robot may need to perform local shape transformation to avoid obstacles or perform specific tasks. In this study, we present a local shape transformation control method for expanding the mobility of a snake robot. The proposed control method lifts a local part of the robot away from the target continuous curve while the leading part and the trailing part shift accordingly to remain fitted to the continuous curve wit

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10

Yang, Kaike, Junpeng Luo, Zhaoting Yuan, et al. "Topology Optimization of Shape Memory Alloy Actuators for Prescribed Two-Way Transforming Shapes." Actuators 13, no. 2 (2024): 65. http://dx.doi.org/10.3390/act13020065.

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This paper proposes a new topology optimization formulation for obtaining shape memory alloy actuators which are designed with prescribed two-way transforming shapes. The actuation behaviors of shape memory alloy structures are governed by austenite-martensite phase transformations effected by thermal-mechanical loading processes; therefore, to realize the precise geometric shape variations of shape memory alloy actuators, traditional methods involve iteration processes including heuristic structural design, numerical predictions and experimental validation. Although advanced structural optimi

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11

Tanveer, Muhammad, and Kwang-Yong Kim. "Effects of Bridge-Shaped Microchannel Geometry on the Performance of a Micro Laminar Flow Fuel Cell." Micromachines 10, no. 12 (2019): 822. http://dx.doi.org/10.3390/mi10120822.

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A laminar flow micro fuel cell comprising of bridge-shaped microchannel is investigated to find out the effects of the cross-section shape of the microchannel on the performance. A parametric study is performed by varying the heights and widths of the channel and bridge shape. Nine different microchannel cross-section shapes are evaluated to find effective microchannel cross-sections by combining three bridge shapes with three channel shapes. A three-dimensional fully coupled numerical model is used to calculate the fuel cell’s performance. Navier-Stokes, convection and diffusion, and Butler-V

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12

Tohgo, Keiichiro, Yuki Tochigi, Hiroyasu Araki, and Yoshinobu Shimamura. "OS17-1-2 Deformation and mechanical response of shape-control plate using NiTi shape memory alloy wire." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2007.6 (2007): _OS17–1–2——_OS17–1–2—. http://dx.doi.org/10.1299/jsmeatem.2007.6._os17-1-2-.

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13

Ye, Changlong, Yang Su, Suyang Yu, and Yinchao Wang. "Development of a Deformable Water-Mobile Robot." Actuators 12, no. 5 (2023): 202. http://dx.doi.org/10.3390/act12050202.

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This article proposes a deformable water-mobile robot that can be used for rescue work. The robot body adopts an open-motion chain structure with two degrees of freedom, including two drive modules and one main control module. The three modules are connected through deformation joints, and each drive module is equipped with an underwater thruster. The robot can obtain a triangle, linear shape, curved shape, and U-shape through deformation and have three types of motion: linear shape motion, U-shaped motion, and curved shape motion. In the linear shape, a multi-island genetic algorithm was used

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14

Yang, Li Po, and Bing Qiang Yu. "Shape Detecting and Shape Control of Cold Rolling Strip." Advanced Materials Research 311-313 (August 2011): 902–5. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.902.

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Based on the shape detecting principle and the DSP (Digital Signal Processing) technology, a high-precision shape detecting system of cold rolling strip is developed to meet industrial application. It was successfully used in Angang 1250 mm HC 6-high reversible cold rolling mill. The precision of shape detecting was 0.2 I, the shape deviation was controlled within 6 I after the close loop shape control was input.

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15

Lee, Jenn Hua, and Shi Nine Yang. "Shape preserving and shape control with interpolating Bézier curves." Journal of Computational and Applied Mathematics 28 (December 1989): 269–80. http://dx.doi.org/10.1016/0377-0427(89)90339-7.

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16

Arguillère, Sylvain, Emmanuel Trélat, Alain Trouvé, and Laurent Younès. "Shape deformation and optimal control." ESAIM: Proceedings and Surveys 45 (September 2014): 300–307. http://dx.doi.org/10.1051/proc/201445031.

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17

Filankembo, A., and M. P. Pileni. "Shape control of copper nanocrystals." Applied Surface Science 164, no. 1-4 (2000): 260–67. http://dx.doi.org/10.1016/s0169-4332(00)00345-7.

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18

Arcos, Gabriel, Guillermo Montilla, José Ortega, and Marco Paluszny. "Shape control of 3D lemniscates." Mathematics and Computers in Simulation 73, no. 1-4 (2006): 21–27. http://dx.doi.org/10.1016/j.matcom.2006.06.001.

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19

Perez, Geronimo, Jefferson Araujo, Paulina Romero, and Guillermo Solorzano. "Shape Control of Fe3O4 Nanoparticles." Microscopy and Microanalysis 26, S2 (2020): 2818–19. http://dx.doi.org/10.1017/s1431927620022886.

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20

Kashiwase, Toshio, Masaki Tabata, Kazuo Tsuchiya, and Sadao Akishita. "Shape Control of Flexible Structures." Journal of Intelligent Material Systems and Structures 2, no. 1 (1991): 110–25. http://dx.doi.org/10.1177/1045389x9100200107.

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21

Utku, S., C. P. Kuo, J. A. Garba, and B. K. Wada. "Shape Control of Inflatable Reflectors." Journal of Intelligent Material Systems and Structures 6, no. 4 (1995): 550–56. http://dx.doi.org/10.1177/1045389x9500600412.

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22

PAN, DENGYU, SHUYUAN ZHANG, GONGPU LI, YIQING CHEN, and J. G. HOU. "SHAPE CONTROL OF Bi2S3 NANOPARTICLES." International Journal of Nanoscience 01, no. 02 (2002): 187–93. http://dx.doi.org/10.1142/s0219581x02000140.

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Bi 2 S 3 nanocrystals with different shapes were synthesized via a simple solventothermal route. Nanorods and nanotubes can be obtained by changing reaction temperature. In the presence of surfactant, hollow nanospheres can be produced. The nanocrystals were characterized by X-ray powder diffraction and transmission electron microcopy. The growth mechanisms were discussed.

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23

Peng, Xiaogang, Liberato Manna, Weidong Yang, et al. "Shape control of CdSe nanocrystals." Nature 404, no. 6773 (2000): 59–61. http://dx.doi.org/10.1038/35003535.

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24

Poudyal, Narayan, Girija S. Chaubey, Chuan-bing Rong, and J. Ping Liu. "Shape control of FePt nanocrystals." Journal of Applied Physics 105, no. 7 (2009): 07A749. http://dx.doi.org/10.1063/1.3077210.

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25

Renardy, Michael. "Shape Control by Collinear Actuators." Archive for Rational Mechanics and Analysis 156, no. 3 (2001): 231–40. http://dx.doi.org/10.1007/s002050000120.

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26

Sarfraz, Muhammad. "Shape Control & Designing Objects." IFAC-PapersOnLine 51, no. 30 (2018): 316–22. http://dx.doi.org/10.1016/j.ifacol.2018.11.312.

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27

Ramirez, E., L. Eradès, K. Philippot, P. Lecante, and B. Chaudret. "Shape Control of Platinum Nanoparticles." Advanced Functional Materials 17, no. 13 (2007): 2219–28. http://dx.doi.org/10.1002/adfm.200600633.

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28

Donovan, Brian R., Valentina M. Matavulj, Suk-kyun Ahn, Tyler Guin, and Timothy J. White. "All-Optical Control of Shape." Advanced Materials 31, no. 2 (2018): 1805750. http://dx.doi.org/10.1002/adma.201805750.

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29

FUKUDA, Masatoshi, Akira TODOROKI, Yoshihiro MIZUTANI, and Yoshiro SUZUKI. "Shape control and stiffness control of partially flexible CFRP by using shape memory alloy." Proceedings of the Materials and Mechanics Conference 2016 (2016): PS—19. http://dx.doi.org/10.1299/jsmemm.2016.ps-19.

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30

Berrini, Elisa, Bernard Mourrain, Yann Roux, Mathieu Durand, and Guillaume Fontaine. "Geometric Modelling and Deformation for Shape Optimization of Ship Hulls and Appendages." Journal of Ship Research 61, no. 02 (2017): 91–106. http://dx.doi.org/10.5957/jsr.2017.61.2.91.

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The precise control of geometric models plays an important role in many domains such as computer-aided geometric design and numerical simulation. For shape optimization in computational fluid dynamics (CFD), the choice of control parameters and the way to deform a shape are critical. In this article, we describe a skeleton-based representation of shapes adapted for CFD simulation and automatic shape optimization. Instead of using the control points of a classic B-spline representation, we control the geometry in terms of architectural parameters. We assure valid shapes with a strong shape cons

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31

Hirtler, Lena, Katrin Tschematschar, Franz Kainberger, and Sebastian Röhrich. "Applicability of Semi-Quantitative Evaluation of the Intercondylar Notch." Applied Sciences 11, no. 13 (2021): 5921. http://dx.doi.org/10.3390/app11135921.

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The intercondylar notch (IN) can differ in morphology and size, influencing the contained ligaments. For a better understanding of the influence of the IN’s anatomy on knee pathologies, a classification of different shapes was proposed. However, a detailed evaluation of the reliability of these classifications is lacking thus far. In coronal knee MRIs of 330 patients, the IN width was measured and three shapes were calculated to generate objective control results. Notch shapes were classified by two blinded investigators, first without and then with visual assistance to guide the shape classif

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32

Almaghout, Karam, and Alexandr Klimchik. "Manipulation Planning for Cable Shape Control." Robotics 13, no. 1 (2024): 18. http://dx.doi.org/10.3390/robotics13010018.

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The control of deformable linear objects (DLOs) such as cables presents a significant challenge for robotic systems due to their unpredictable behavior during manipulation. This paper introduces a novel approach for cable shape control using dual robotic arms on a two–dimensional plane. A discrete point model is utilized for the cable, and a path generation algorithm is developed to define intermediate cable shapes, facilitating the transformation of the cable into the desired profile through a formulated optimization problem. The problem aims to minimize the discrepancy between the cable conf

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33

Chandra, Ramesh. "Active shape control of composite blades using shape memory actuation." Smart Materials and Structures 10, no. 5 (2001): 1018–24. http://dx.doi.org/10.1088/0964-1726/10/5/318.

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34

Matunag, Saburo, Iljic Thomas, and Yohei Tanaka. "4116 Morphable Beam Shape Characteristics and Its Shape Control Method." Proceedings of the JSME annual meeting 2007.5 (2007): 377–78. http://dx.doi.org/10.1299/jsmemecjo.2007.5.0_377.

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35

Bodaghi, M., A. R. Damanpack, M. M. Aghdam, and M. Shakeri. "Active shape/stress control of shape memory alloy laminated beams." Composites Part B: Engineering 56 (January 2014): 889–99. http://dx.doi.org/10.1016/j.compositesb.2013.09.018.

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36

Yun, Jiyeong, Kyeongtae Jeong, Jongyoung Youn, and Donghoon Lee. "Development of Side Mold Control Equipment for Producing Free-Form Concrete Panels." Buildings 11, no. 4 (2021): 175. http://dx.doi.org/10.3390/buildings11040175.

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Free-form concrete panel production requires an increasing amount of manpower because the molds cannot be reused. There are many limitations when it comes to reproducing accurate forms due to the many manual processes. Therefore, the current study developed side mold control equipment that can automatically fabricate molds for free-form concrete panels. The equipment is capable of molding various shapes and sustainable operation. However, there may be errors as it automatically produces various shapes. Therefore, it is necessary to check the errors between manufactured shapes and designed shap

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37

Koconis, David B., Låszló P. Kollår, and George S. Springer. "Shape Control of Composite Plates and Shells with Embedded Actuators. I. Voltages Specified." Journal of Composite Materials 28, no. 5 (1994): 415–58. http://dx.doi.org/10.1177/002199839402800503.

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The changes in shapes of fiber-reinforced composite beams, plates and shells affected by embedded piezoelectric actuators were investigated. An analytical method was developed which can be used to calculate the changes in shapes for specified applied voltages to the actuators. The method is formulated on the basis of mathematical models using two-dimensional, linear, shallow shell theory including transverse shear effects which are important in the case of sandwich construction. Solutions to the governing equations were obtained via the Ritz method. A computationally efficient computer code wi

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38

Kráľ, Ján, and Ján Kráľ. "Verification of Manufacturing Accuracy of Mathematically Defined Shaped Surfaces on 3D CNC Milling Machine." Key Engineering Materials 581 (October 2013): 423–30. http://dx.doi.org/10.4028/www.scientific.net/kem.581.423.

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Verification of programming of various control systems and production of mathematically defined shaped surfaces on 3D CNC milling machine is a challenging technological process. Appropriate design and optimization of tool path is essential for the production of high-quality surfaces with the required accuracy and roughness. This paper presents the design of shaped surfaces in various programming means in order to evaluate both the accuracy of the shape manufactured by the production machine and also by program created shapes for control systems of 3D milling machines. Based on the analysis of

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39

Jung, M. N., S. Y. Ha, H. S. Kim, et al. "The Shape Control of ZnO Based Nanostructures." Journal of Nanoscience and Nanotechnology 6, no. 11 (2006): 3628–32. http://dx.doi.org/10.1166/jnn.2006.17996.

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Tetrapod-shape ZnO nanostructures are formed on Si substrates by vapor phase transportation method. The effects of two important growth parameters, growth temperature and VI/II ratio, are investigated. The growth temperature is varied in the range from 600 °C to 900 °C to control the vapor pressure of group II-element and the formation process of nanostructures. VI/II ratio was changed by adjusting the flux of carrier gas which affects indirectly the supplying rate of group VI-element. From the scanning electron microscopy (SEM), systematic variation of shape including cluster, rod, wire and t

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40

Eijkenboom, J. F. A., J. H. Waarsing, E. H. G. Oei, S. M. A. Bierma-Zeinstra, and M. van Middelkoop. "Is patellofemoral pain a precursor to osteoarthritis?" Bone & Joint Research 7, no. 9 (2018): 541–47. http://dx.doi.org/10.1302/2046-3758.79.bjr-2018-0112.r1.

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Objectives It has been hypothesized that patellofemoral pain, a common knee condition in adolescents and young adults, may be a precursor of degenerative joint changes and may ultimately lead to patellofemoral osteoarthritis. Since both conditions share several mechanical disease characteristics, such as altered contact area between the femur and patella and increased joint stress, we investigated whether these conditions share similar and different shape characteristics of the patella compared with normal controls. Methods This cross-sectional study compared three different study populations:

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41

Williford, John-Michael, Jose Luis Santos, Rishab Shyam, and Hai-Quan Mao. "Shape control in engineering of polymeric nanoparticles for therapeutic delivery." Biomaterials Science 3, no. 7 (2015): 894–907. http://dx.doi.org/10.1039/c5bm00006h.

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42

Wang, Xiao Chen, Quan Yang, Zhi Guo Liang, and Fei He. "Research on Generalized Overall Shape Setting Control Models with Asymmetric Shape Control Function for UCM Mill." Advanced Materials Research 415-417 (December 2011): 478–86. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.478.

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Towards the insufficiency of the research on asymmetric shape defects control, and the equipment of new asymmetric shape control device—inverse symmetric roll bending for UCM cold mill, in this paper, by ANSYS finite element simulation, high-precision rolls-strip coupling models were established, and the difference of control character among all the symmetric and asymmetric shape control methods were analyzed, then generalized overall shape setting control models with asymmetric shape control function was proposed. It was proved by field application that the control models can effectively cont

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43

Yao, Guo-Feng, Xue-Fei Gao, and Su-Huan Chen. "Modal control in the optimal shape control and the shape control research of a paraboloid antenna under different stimulations." Smart Materials and Structures 14, no. 1 (2004): 191–96. http://dx.doi.org/10.1088/0964-1726/14/1/019.

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44

Qian, Bo, and Qiang Li. "A Novel Control Procedure for Single Axis Roll Forming." Advanced Materials Research 181-182 (January 2011): 177–82. http://dx.doi.org/10.4028/www.scientific.net/amr.181-182.177.

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In flexible roll forming, the horizontal movable sheet steel can be formed by controlling the servo motor to drive the multi-pass vertical movable roll. Only when the longitudinal movable distance of the roll in every pass matches exactly the contours of the sheet steel in time and space, the designated cross-section shape can be formed. Controlling the servo motor by applying the configuration programming is a common approach to achieve roll motion, but will not be able or difficult to realize by the configuration programming for complex contour without the rules such as hyperbolic, or the mo

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45

Gao, Yuan, Huitao Liu та Mianjun Ma. "Preparation and shape control of β-Ni(OH)2 nano-particle". Open Chemistry 6, № 1 (2008): 23–25. http://dx.doi.org/10.2478/s11532-007-0059-z.

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AbstractA simple and convenient method for the preparation of needle-shape nanoparticles of β-Ni(OH)2 has been developed. Results show that a needle-shaped β-Ni(OH)2 can be easily obtained in the presence of ethylenediamine and sodium dodecylbenzene sulfonate within a size from 100 to 200 nm. The shape and structure of the product were characterized by XRD, TEM and FT-IR. It is noteworthy that the formation of needle-shape β-Ni(OH)2 benefits from the addition of sodium dodecylbenzene sulfonate. The optimum preparation conditions and the possible mechanism are also discussed.

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46

Mitrishkin, Yuri V., Valerii I. Kruzhkov, and Pavel S. Korenev. "Methodology of Plasma Shape Reachability Area Estimation in D-Shaped Tokamaks." Mathematics 10, no. 23 (2022): 4605. http://dx.doi.org/10.3390/math10234605.

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This paper suggests and develops a new methodology of estimation for a multivariable reachability region of a plasma separatrix shape on the divertor phase of a plasma discharge in D-shaped tokamaks. The methodology is applied to a spherical Globus-M/M2 tokamak, including the estimation of a controllability region of a vertical unstable plasma position on the basis of the experimental data. An assessment of the controllability region and the reachability region of the plasma is important for the design of tokamak poloidal field coils and the synthesis of a plasma magnetic control system. When

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47

Shon, Sudeok, Alan S. Kwan, and Seungjae Lee. "Shape control of cable structures considering concurrent/sequence control." Structural Engineering and Mechanics 52, no. 5 (2014): 919–35. http://dx.doi.org/10.12989/sem.2014.52.5.919.

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48

Hu, Gang, Xiaomin Ji, Xinqiang Qin та Suxia Zhang. "Shape Modification forλ-Bézier Curves Based on Constrained Optimization of Position and Tangent Vector". Mathematical Problems in Engineering 2015 (2015): 1–12. http://dx.doi.org/10.1155/2015/735629.

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Besides inheriting the properties of classical Bézier curves of degreen, the correspondingλ-Bézier curves have a good performance on adjusting their shapes by changing shape control parameter. Specially, in the case where the shape control parameter equals zero, theλ-Bézier curves degenerate to the classical Bézier curves. In this paper, the shape modification ofλ-Bézier curves by constrained optimization of position and tangent vector is investigated. The definition and properties ofλ-Bézier curves are given in detail, and the shape modification is implemented by optimizing perturbations of c

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49

Esmail, Ziana, William Wiltshire, Fabio H. S. L. Pinheiro, Carolina M. Frota, and Rodrigo França. "The effect of orthodontic bracket base shape on shear bond strength to human enamel, an in vitro study." Biomaterial Investigations in Dentistry 11 (May 7, 2024): 42–47. http://dx.doi.org/10.2340/biid.v11.40585.

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The purpose of this study was to evaluate the in vitro effect of orthodontic bracket base shape on shear bond strength (SBS) to human enamel and assess the nature of debonding fractures using the Adhesive Remnant Index (ARI). Orthodontic brackets with different-shaped bases (flower, heart, rectangle) were bonded to 120 extracted human third molars. Shear bond strength was measured using a Servohydraulic Test System at 24 h and 2 months after bonding. Adhesive Remnant Index scores were evaluated under 10x magnification to assess the amount of resin left on the tooth. The control bracket (rectan

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50

Nabil, Marwa, and Hussien A. Motaweh. "Shape Control of Silica Powder Formation." Journal of Materials Science and Chemical Engineering 07, no. 03 (2019): 49–55. http://dx.doi.org/10.4236/msce.2019.73004.

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