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Journal articles on the topic 'Stewart Platform'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

He, Zepeng, Xiangchao Feng, Yeqing Zhu, et al. "Progress of Stewart Vibration Platform in Aerospace Micro–Vibration Control." Aerospace 9, no. 6 (2022): 324. http://dx.doi.org/10.3390/aerospace9060324.

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In order to support the development of high–precision spacecraft, the current state of the Stewart vibration isolation platform in the field of aerospace micro–vibration was surveyed. First, based on analyses of the causes and characteristics of spacecraft micro–vibration, the principles, characteristics, advantages and disadvantages of four vibration isolation technologies are summarized. Second, the development process of the Stewart vibration isolation platform, from structural proposal and theoretical calculation to application in various fields, is introduced. Then, the current state of k

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2

Ji, Zhiming. "Dynamics Decomposition for Stewart Platforms." Journal of Mechanical Design 116, no. 1 (1994): 67–69. http://dx.doi.org/10.1115/1.2919378.

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This paper shows that special features of the Stewart platform can lead to the decomposition of the moving plate and the legs in the dynamic analysis. Formulas for evaluating, separately, the driving forces needed for the movement of the legs are developed for studying the combined inertia effect of all the leg rotations in a Stewart platform. The proposed formulation is easy to implement for Stewart platforms with nonnegligible leg inertia.

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3

S, Dasmahapatra, and Ghosh M. "Workspace Identification of Stewart Platform." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 3 (2020): 1903–7. https://doi.org/10.35940/ijeat.C5338.029320.

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The workspace identification of 6-DOF Stewart Platform has been done in this paper through inverse kinematic modeling. This Stewart Platform has six linear cylinder–piston actuators connected within fixed and the moving platform. The motions of the moving platform such as surge, sway, heave, roll, pitch and yaw have been generated from the combined motions of piston of actuators. The mathematical formulations for Inverse-Kinematic modeling of Stewart Platform have been formulated to find out the individual piston motion for the required platform motion. The platform motions and the actua

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4

Chai, Kok-Soon, Ken Young, and Ian Tuersley. "A practical calibration process using partial information for a commercial Stewart platform." Robotica 20, no. 3 (2002): 315–22. http://dx.doi.org/10.1017/s0263574701004027.

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Most of the calibration methods proposed for the Stewart platform require complex computation or low noise data for the platform's accuracy to be determined. They are not suitable for practical use in a production environment, where the measurement and calibration method should be simple and robust. Using an external laser measuring device to determine the actual accuracy of a Stewart platform, a practical and simple leg length compensating calibration method, that improves the accuracy of the Stewart platform by a magnitude of around 7, is proposed. The procedures and computation algorithms o

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5

He, Zepeng, Lingmin Zhu, Zhenyu Liu, Zongnan Liu, and Zhongjiao Shi. "Vibration Isolation in Stewart Platforms via Phase-Change Low-Melting-Point Alloys for Tunable Stiffness." Aerospace 12, no. 4 (2025): 279. https://doi.org/10.3390/aerospace12040279.

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Micro-vibration mitigation is critical for spacecraft conducting precision-oriented space missions. In this paper, a novel Stewart platform incorporating a phase-change low-melting-point alloy (LMPA) is developed to achieve temperature-dependent stiffness modulation and broadband vibration isolation. First, based on the theory that variable stiffness alters the natural frequency of the structure, the feasibility of using the Stewart platform to achieve vibration isolation by changing the stiffness is obtained. Subsequently, a new Stewart composite structure was engineered by integrating LMPA a

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6

Billah, Md Masum, and Raisuddin Khan. "Smart Tendon Actuated Flexible Actuator." Journal of Robotics 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/295410.

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We investigate the kinematic feasibility of a tendon-based flexible parallel platform actuator. Much of the research on tendon-driven Stewart platforms is devoted either to the completely restrained positioning mechanism (CRPM) or to one particular type of the incompletely restrained positioning mechanism (IRPM) where the external force is provided by the gravitational pull on the platform such as in cable-suspended Stewart platforms. An IRPM-based platform is proposed which uses the external force provided by a compliant member. The compliant central column allows the configuration to achieve

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7

R. Mishra, V., and . "Stiffness Mapping of a 12 dof Parallel Manipulator with Flexible base and Top Platforms." International Journal of Engineering & Technology 7, no. 4.39 (2018): 481–84. http://dx.doi.org/10.14419/ijet.v7i4.39.24359.

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A geometric scheme for stiffness mapping of 12 dof parallel manipulator with flexible platforms is presented. The manipulator resembles the construction features of Gough-Stewart platform with a difference that both of its platforms have been made flexible by using mobile knots. It is also shown that the tilt angle of the top platform of the proposed manipulator is more as compared to Stewart-Gough platform which increases the workspace of the proposed manipulator. In this study, comparison is also made with manipulator proposed by other investigators. Upon comparing the tilt angle of proposed

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8

Korikov, Anatoly M., and Van Тruc Tran. "Modeling of the Hugh – Stewart platform located on a mobile object in an environment of external disturbances." Analysis and data processing systems, no. 1 (March 26, 2024): 21–40. http://dx.doi.org/10.17212/2782-2001-2024-1-21-40.

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Problems that arise when creating automatic stabilization systems located on mobile objects are being solved. The advantages and disadvantages of known types of automatic stabilization systems are noted. The Hugh – Stewart platform is one of the devices used in these systems. The article presents the results of mathematical modeling of the Hugh – Stewart platform located on a mobile object, in an environment of external disturbances. This situation is typical for a platform located on a ship, constantly exposed to unpredictable disturbances in the water environment. The Hugh – Stewart platform

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9

Banaś, Wacław, Krzysztof Herbuś, Gabriel Kost, Andrzej Nierychlok, Piotr Ociepka, and Daniel Reclik. "Simulation of the Stewart Platform Carried out Using the Siemens NX and NI LabVIEW Programs." Advanced Materials Research 837 (November 2013): 537–42. http://dx.doi.org/10.4028/www.scientific.net/amr.837.537.

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The paper presents the implementations of the control algorithm of a virtual system (Stewart platform) in the CAD/CAE system (Siemens NX) and in the NI LabVIEW supervisory and control system. The combination of both systems enables the virtual simulation and presentation of the results in relation to the chosen in the work virtual model of the Stewart platform. The virtual model of the Stewart platform with the imposed constraints and mobility limitations was built in the Siemens NX CAD/CAE system. Each of the modeled elements is based on the real components of the car simulator prepared for t

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10

Liang, Fengchao, Shuang Tan, Jiankai Fan, Zhe Lin, and Xiaojun Kang. "Design and Implementation of a High Precision Stewart Platform for a Space Camera." Journal of Physics: Conference Series 2101, no. 1 (2021): 012015. http://dx.doi.org/10.1088/1742-6596/2101/1/012015.

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Abstract In order to design and implement a high-precision Stewart platform to precisely adjust the position and posture of the secondary mirror of a space camera, the following measures were taken: firstly, the inverse mathematical model and ADAMS parametric model of the Stewart platform are established, which are the basis of structural optimization design; secondly, the structural parameters of Stewart platform are obtained through structure optimization design in ADAMS after determining the objective function; thirdly, a 50nm resolution driving strut based on brushless DC motor, ball screw

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11

Sosa-Méndez, Deira, Esther Lugo-González, Manuel Arias-Montiel, and Rafael A. García-García. "ADAMS-MATLAB co-simulation for kinematics, dynamics, and control of the Stewart–Gough platform." International Journal of Advanced Robotic Systems 14, no. 4 (2017): 172988141771982. http://dx.doi.org/10.1177/1729881417719824.

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The mechanical structure known as Stewart–Gough platform is the most representative parallel robot with a wide variety of applications in many areas. Despite the intensive study on the kinematics, dynamics, and control of the Stewart–Gough platform, many details about these topics are still a challenging problem. In this work, the use of automatic dynamic analysis of multibody systems software for the kinematic and dynamic analysis of the Stewart–Gough platform is proposed. Moreover, a co-simulation automatic dynamic analysis of multibody systems (ADAMS)-MATLAB is developed for motion control

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12

Chen, Ning-Xin, and Shin-Min Song. "Direct Position Analysis of the 4–6 Stewart Platforms." Journal of Mechanical Design 116, no. 1 (1994): 61–66. http://dx.doi.org/10.1115/1.2919377.

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Although Stewart platforms have been applied in the design of aircraft and vehicle simulators and parallel robots for many years, the closed-form solution of direct (forward) position analysis of Stewart platforms has not been completely solved. Up to the present time, only the relatively simple Stewart platforms have been analyzed. Examples are the octahedral, the 3–6 and the 4–4 Stewart platforms, of which the forward position solutions were derived as an eighth or a twelfth degree polynomials with one variable in the form of square of a tan-half-angle. This paper further extends the direct

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13

Zhang, Lijie, Xuemei Zong, Yue Tang, Xinchun Chen, Junxue Feng, and Xiaoming Yuan. "Modal and Natural Frequency Sensitivity Analysis of Electrohydraulic Stewart Platform." Shock and Vibration 2021 (April 7, 2021): 1–18. http://dx.doi.org/10.1155/2021/5587282.

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Electrohydraulic Stewart platform is a multi-input and multi-output mechanical-hydraulic coupling system, which has the advantages of large power-to-weight ratio and high accuracy. It has been widely used in construction machinery, aerospace, and other fields. In the actual working process, especially in the high-speed motion, the Stewart platform movement process will produce a large impact and vibration and then affect the stability, accuracy, and service life of the platform. When the frequency of the external excitation coincides with the natural frequency of the electrohydraulic Stewart p

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14

Wang, Mingxiao, Qiang Ma, and Baolong Peng. "Stewart Patform Tchnology Research and Inovation." Academic Journal of Science and Technology 13, no. 1 (2024): 1–5. http://dx.doi.org/10.54097/przvt907.

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In the era of rapid technological advancement today, the Stewart platform, as a six-degree-of-freedom parallel robot mechanism, has demonstrated broad application potential and significance across multiple domains. Nevertheless, with the continuous expansion of application fields and the escalating technical requirements, the Stewart platform confronts pivotal challenges in further enhancing its performance, broadening its application scope, and strengthening system stability. Responding to these challenges, this paper adopts a comprehensive research approach, integrating the latest engineerin

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15

Ma, He, Weichao Chi, Caihua Wang, and Jia Luo. "Design of a Maglev Stewart Platform for the Microgravity Vibration Isolation." Aerospace 9, no. 9 (2022): 514. http://dx.doi.org/10.3390/aerospace9090514.

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Vibration isolation mechanisms are usually installed on spacecraft between the vibration sources and the payload to ensure that precision instruments work properly. This paper proposes a novel maglev Stewart platform for vibration isolation in a microgravity environment. The maglev Stewart platform combines the quasi-zero stiffness of maglev actuators and the high maneuverability of the Stewart platform. The dynamic of the legs and the payload platform is analyzed, and the linear active disturbance rejection control (LADRC) algorithm is used to decouple the legs and cancel the total disturbanc

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16

Hassanian, Reza, and Morris Riedel. "Mechanical Elements Analysis of Stewart Platform: Computational Approach." International Journal of Science and Research (IJSR) 11, no. 4 (2022): 1166–71. http://dx.doi.org/10.21275/sr22420092335.

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17

Lukianov, Petro Volodymyrovych, and Volodymyr Volodymyrovych Kabanyachyi. "MATHEMATICAL MODEL OF STABLE EQUILIBRIUM OPERATION OF THE FLIGHT SIMULATOR BASED ON THE STEWART PLATFORM." Aviation 27, no. 2 (2023): 119–28. http://dx.doi.org/10.3846/aviation.2023.19264.

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This paper analyses the available mathematical models of flight simulators based on the Stewart platform. It was found that there is no model that describes the conditions for stable dynamic equilibrium operation of the Stewart platform as a function of a number of important motion parameters. In this context, a new physical model is proposed based on classical models of theoretical mechanics using the d’Alembert formalism, the concept of stable equilibrium of a mechanical system. This model mathematically separates the stable equilibrium of the flight simulator motion system from the general

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18

Raghavan, M. "The Stewart Platform of General Geometry Has 40 Configurations." Journal of Mechanical Design 115, no. 2 (1993): 277–82. http://dx.doi.org/10.1115/1.2919188.

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The Stewart platform is a six-degree-of-freedom, in-parallel linkage. It is used in automotive and flight simulators, positioning tables for assembly and robotic applications, and various other applications requiring linkages with high structural stiffness. It consists of a base link, a coupler link, and six adjustable-length legs supporting the coupler link. Each leg consists of a prismatic joint with ball-joint connections to the base and coupler, respectively. The forward kinematics problem for the Stewart platform may be stated as follows: given the values of the six prismatic joint displa

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19

Li, Qiang, and Hong Bo Yan. "A New Method for Solving the Direct Kinematics of 6-DOF SPS." Materials Science Forum 532-533 (December 2006): 889–92. http://dx.doi.org/10.4028/www.scientific.net/msf.532-533.889.

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A novel method is introduced. Simplify Stewart platform by using of group technology. Six legs 6-6 Stewart Platform is transformed into three group legs Stewart platform by way of geometrical knowledge and numerical analysis. Make emulational program of Matlab 6.5 to validate the method of direct kinematics. Velocity and precision of computing are advanced by repeatedly optimizing of method. The method is scientific and novel.

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20

Huang, Xi Guang, Guang Pin He, and Q. Z. Liao. "An Algebraic Method for Direct Position Analysis of the General Stewart Platform Manipulator Robot." Materials Science Forum 626-627 (August 2009): 405–10. http://dx.doi.org/10.4028/www.scientific.net/msf.626-627.405.

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Stewart platform manipulator robot is a six degree of freedom, parallel manipulator, which consists of a base platform, a mobile platform and six limbs connected at six distinct points on the base platform and the mobile platform respectively. The direct position analysis problem of Stewart platform relates to the determination of the mobile platform pose for a given set of the lengths of the limbs. In this paper, we present a concise algebraic method for solving the direct position analysis problem for the fully parallel manipulator with general geometry, often referred to as General Stewart

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21

Andrievskiy, Boris R., Dmitriy G. Arseniev, Sergey A. Zegzhda, et al. "Dynamics of the Stewart platform." Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy 4(62), no. 3 (2017): 489–506. http://dx.doi.org/10.21638/11701/spbu01.2017.311.

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22

Andrievskiy, B. R., D. G. Arseniev, S. A. Zegzhda, et al. "Dynamics of a Stewart platform." Vestnik St. Petersburg University, Mathematics 50, no. 3 (2017): 297–309. http://dx.doi.org/10.3103/s1063454117030037.

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23

van Silfhout, Roelof G. "High-precision hydraulic Stewart platform." Review of Scientific Instruments 70, no. 8 (1999): 3488–94. http://dx.doi.org/10.1063/1.1149942.

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24

Zozulya, V. A., S. І. Osadchy, and S. N. Nedilko. "STEWART PLATFORM DYNAMICS MODEL IDENTIFICATION." Radio Electronics, Computer Science, Control, no. 1 (April 2, 2024): 242. http://dx.doi.org/10.15588/1607-3274-2024-1-22.

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Context. At the present stage, with the current demands for the accuracy of motion control processes for a moving object on a specified or programmable trajectory, it is necessary to synthesize the optimal structure and parameters of the stabilization system (controller) of the object, taking into account both real controlled and uncontrolled stochastic disturbing factors. Also, in the process of synthesizing the optimal controller structure, it is necessary to assess and consider multidimensional dynamic models, including those of the object itself, its basic components, controlled and uncont

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25

Kazezkhan, Guljaina, Binbin Xiang, Na Wang, and Aili Yusup. "Dynamic modeling of the Stewart platform for the NanShan Radio Telescope." Advances in Mechanical Engineering 12, no. 7 (2020): 168781402094007. http://dx.doi.org/10.1177/1687814020940072.

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The NanShan Radio Telescope is a 26-m fully steerable radio telescope, and it adopts a 6-UPU Stewart platform with electric motors to adjust and align the position of the subreflector. In order to analyze the actual dynamic performance and control the Stewart platform of the NanShan Radio Telescope, this article models the inverse dynamic of the Stewart platform using the virtual work approach. The model improves the accuracy of the dynamic equations and considered the pitching motion of the base platform in the practical application of the radio telescope. Dynamic simulations of the Stewart p

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Hou, Jing Wei, Ding Xuan Zhao, Ying Zhao, and Yu Xin Cui. "Simulation Research on Hydraulic Stewart Force Feedback Master-Slave System." Applied Mechanics and Materials 347-350 (August 2013): 3954–59. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.3954.

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a virtual prototype program of hydraulic Stewart force feedback master-slave system is developed to solve the modeling problems when plant developing and controller design. The following work is done based on the Stewart manipulator simulation program built in Matlab/SimMechanics platform: 1. Master/slave force feedback control framework is built based on the relationship between force on cylinders and upper platform.; 2. A new Stewart platform with load force model on the upper platform hydraulic servo system is built as the slave hand. The validity of the functions is verified by simulation

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27

AbuZaiter, Alaa, Ee Leen Ng, Suhail Kazi, and Mohamed Sultan Mohamed Ali. "Development of Miniature Stewart Platform Using TiNiCu Shape-Memory-Alloy Actuators." Advances in Materials Science and Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/928139.

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A Stewart platform is a parallel manipulator robot that is able to perform three linear movements, lateral, longitudinal, and vertical, and three rotations, pitch, yaw, and roll. This paper reports a 30 mm × 30 mm × 34 mm miniscale Stewart platform using TiNiCu shape-memory-alloy (SMA) actuators. The proposed Stewart platform possesses various advantages, such as large actuation force and high robustness with a simple mechanical structure. This Stewart platform uses four SMA actuators and four bias springs and performs a linearz-axis movement and tilting motions. The SMA actuators are activate

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28

Houška, Pavel, and Tomáš Březina. "Design of Sensor System for the Linear Actuator of Stewart Platform." Solid State Phenomena 164 (June 2010): 15–18. http://dx.doi.org/10.4028/www.scientific.net/ssp.164.15.

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The article deals with description of design of sensor system for linear actuators. These constitute a part of a parallel kinematic machine based on a structure of a Stewart platform. The machine is intended for testing of bone implants in biomechanical and medical practice. The developed Stewart platform presents a mechatronic system. Hence the design of mechatronic systems known as a V-model was used. The system of sensors has been developed since the middle phase of the Stewart platform development.

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Liu, Zhihua, Chenguang Cai, Ming Yang, and Ying Zhang. "Testing of a MEMS Dynamic Inclinometer Using the Stewart Platform." Sensors 19, no. 19 (2019): 4233. http://dx.doi.org/10.3390/s19194233.

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The micro-electro-mechanical system (MEMS) dynamic inclinometer integrates a tri-axis gyroscope and a tri-axis accelerometer for real-time tilt measurement. The Stewart platform has the ability to generate six degrees of freedom of spatial orbits. The method of applying spatial orbits to the testing of MEMS inclinometers is investigated. Inverse and forward kinematics are analyzed for controlling and measuring the position and orientation of the Stewart platform. The Stewart platform is controlled to generate a conical motion, based on which the sensitivities of the gyroscope, accelerometer, a

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30

Mu, Zongliang, and Kazem Kazerounian. "A Real Parameter Continuation Method for Complete Solution of Forward Position Analysis of the General Stewart." Journal of Mechanical Design 124, no. 2 (2002): 236–44. http://dx.doi.org/10.1115/1.1446476.

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Stewart Platform is a six degree of freedom, parallel manipulator, which consists of a base platform, a coupler platform and six limbs connected at six distinct points on the base platform and the coupler platform. The forward position analysis problem of Stewart Platform amounts to finding all its possible configurations based on the knowledge of the lengths of its limbs. In this paper, we present a numerical method for solving the forward position analysis problem for the most general Stewart Platform. This is a numerical method based on the polynomial continuation as established in recent w

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31

Kumar, G. Satheesh, and T. Nagarajan. "Experimental Investigations on the Contour Generation of a Reconfigurable Stewart Platform." International Journal of Intelligent Mechatronics and Robotics 1, no. 4 (2011): 87–99. http://dx.doi.org/10.4018/ijimr.2011100105.

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Reconfiguration of Stewart platform for varying tasks accentuates the importance for determination of optimum geometry catering to the specified task. The authors in their earlier work (Satheesh et al., 2008) have indicated the non availability of an efficient holistic methodology for determining the optimum geometry. Further, they have proposed a solution using the variable geometry approach through the formulation of dimensionless parameters in combination with generic parameters like configuration and joint vector. The methodology proposed provides an approach to develop a complete set of d

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32

Liu, Zhihua, Xiaoqiang Tang, Zhufeng Shao, and Liping Wang. "Dimensional optimization of the Stewart platform based on inertia decoupling characteristic." Robotica 34, no. 5 (2014): 1151–67. http://dx.doi.org/10.1017/s0263574714002112.

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SUMMARYInertia strongly influences the dynamic performance of parallel manipulators, and ignorance of inertia is apt to result in negative phenomena such as vibrations, overshoot, and slow response. This study analyzes the inertia-decoupling characteristic of Stewart platform. Because the inertia matrix of the Stewart platform is usually non-diagonal, inertia coupling occurs between its legs. Herein, decoupling to inertia is implemented, and independent control channels are determined. The influence of decoupled inertia on the control system is analyzed using the Adams simulation software, and

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33

Peng, Yuansheng, Honghua Dai, Hao Zhang, and Xiaokui Yue. "Dynamics and control of a bio-inspired Stewart platform." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 39, no. 2 (2021): 258–66. http://dx.doi.org/10.1051/jnwpu/20213920258.

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Collision and strong impacts take place in mission of the on orbit capture of non-cooperative spacecraft. So, it is necessary to design a vibration isolation system with efficient vibration isolation performance. A Stewart vibration isolation platform based on the bio-inspired isolation system is proposed in this paper. The characteristics of the novel bio-inspired Stewart platform realizes the vibration isolation protection of the serving spacecraft during the capture mission. The dynamic model of the vibration isolation platform is established by Lagrange's equations. The fidelity of the est

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Zhang, Tianqing, Xiaoxue Gong, Lei Zhang, Yuzhe Wang, Yahui Liu, and Lin Li. "A Method for Solving the Additional Stiffness Introduced by Flexible Joints in Stewart Platform Based on FEM Modal Analysis." Machines 11, no. 4 (2023): 457. http://dx.doi.org/10.3390/machines11040457.

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The usage of flexible joints has greatly facilitated the widespread application of the Stewart construction mechanism in many advanced fields. This research focuses on the problem that the flexible joints in the Stewart mechanism cause additional stiffness effects on the whole system. A method for solving the additional stiffness of flexible joints combining the finite element method (FEM) is proposed, which avoids the complex theoretical derivation process and allows the advantages of high versatility and accuracy. Three aspects make up the main content. Firstly, based on dynamics theory, the

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35

Zhu, Minglei, Cong Huang, Shijie Song, and Dawei Gong. "Design of a Gough–Stewart Platform Based on Visual Servoing Controller." Sensors 22, no. 7 (2022): 2523. http://dx.doi.org/10.3390/s22072523.

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Designing a robot with the best accuracy is always an attractive research direction in the robotics community. In order to create a Gough–Stewart platform with guaranteed accuracy performance for a dedicated controller, this paper describes a novel advanced optimal design methodology: control-based design methodology. This advanced optimal design method considers the controller positioning accuracy in the design process for getting the optimal geometric parameters of the robot. In this paper, three types of visual servoing controllers are applied to control the motions of the Gough–Stewart pla

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36

Lin, J., and C. W. Chen. "Computer-aided-symbolic dynamic modeling for Stewart-platform manipulator." Robotica 27, no. 3 (2009): 331–41. http://dx.doi.org/10.1017/s0263574708004736.

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SUMMARYThe Stewart platform manipulator is a fully kinematic linkage system that has major mechanical differences from typical serial link robots. It is a six-axis parallel robot manipulator with a high force-to-weight ratio and good positioning accuracy that exceeds that of a conventional serial link robot arm. This study examines the dynamic equations and control methodology for a Stewart platform. Because manual symbolic expansion of Stewart platform robot dynamic equations is tedious, time-consuming, and prone to errors, an automated derivation process is highly desired. The main goal of t

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37

Zhang, Chang-de, and Shin-Min Song. "Forward Position Analysis of Nearly General Stewart Platforms." Journal of Mechanical Design 116, no. 1 (1994): 54–60. http://dx.doi.org/10.1115/1.2919376.

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This paper presents the closed-form solution of the forward position analysis of the nearly general Stewart platform, which consists of a base and a moving planar platform connected by six extensible limbs through spherical joints in the two planar platforms. It becomes a general Stewart platform if the centers are not constrained to those two planes. In this study, the coordinate transformation matrix is used to represent the position of the moving platform. Based on the six dependency equations of the rotation matrix and the six constraint equations related to the six link lengths, a set of

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38

Luo, Xin, and Chang Chun Li. "Analysis of Multi-Components Force Standard Machine Loading System Based on Stewart Structure." Key Engineering Materials 693 (May 2016): 25–30. http://dx.doi.org/10.4028/www.scientific.net/kem.693.25.

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Multi-component force sensors are often calibrated by single component. A multi-component force standard machine based on Stewart structure can generate and measure force and torque in any direction, so the mechanical measurement and performance of multiple components can be calibrated at the same time. In this article, we analyze the loading system base on Stewart structure and present our structural design and the type selection method. We model and analyze the moving platform, the linear actuator and the whole loading system of the Stewart platform respectively. The work provides a theoreti

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39

Wang, Mingxiao, Qiang Ma, and Guoqing Sun. "Research on the Application of Stewart Platform for Wave Compensation." Scientific Journal of Technology 6, no. 11 (2024): 55–62. http://dx.doi.org/10.54691/8mbmdw76.

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In the field of ocean engineering, the efficiency and safety of ship operation are significantly affected by waves. Faced with the instability and safety risks of ship crane operation under complex sea conditions, a design and research method of efficient wave compensation device based on Stewart platform is proposed in this paper, aiming at developing a compensation system that can respond in real time and effectively counteract the effects of waves, so as to improve the safety and efficiency of offshore operations. Aiming at the limitation of traditional wave compensation technology, this pa

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40

Kumar, G. Satheesh, and T. Nagarajan. "Reconfigurable Stewart Platform for Spiral Contours." Journal of Applied Sciences 11, no. 9 (2011): 1552–58. http://dx.doi.org/10.3923/jas.2011.1552.1558.

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41

Březina, Lukas, and Tomáš Březina. "Stewart Platform Model with Uncertain Parameters." Solid State Phenomena 164 (June 2010): 177–82. http://dx.doi.org/10.4028/www.scientific.net/ssp.164.177.

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The paper deals with development of uncertain dynamics model of a six DOF parallel mechanism (Stewart platform) suitable for H-infinity controller design. The model is based on linear state space models of the machine obtained by linearization of the SimMechanics model. The linearization is performed for two positions of the machine in its workspace. It is the nominal position and the position where each link of the machine reaches its maximal length. The uncertainties are then represented as differences between parameters of corresponding state-space matrices. The uncertain state space model

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Alyushin, Yu A., and S. A. Elenev. "Mathematical model of Stewart platform motion." Journal of Machinery Manufacture and Reliability 39, no. 4 (2010): 305–12. http://dx.doi.org/10.3103/s1052618810040011.

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Virgil Petrescu, Relly Victoria, Raffaella Aversa, Antonio Apicella, Samuel Kozaitis, Taher Abu-Lebdeh, and Florian Ion Tiberiu Petrescu. "Inverse Kinematics of a Stewart Platform." Journal of Mechatronics and Robotics 2, no. 1 (2018): 45–59. http://dx.doi.org/10.3844/jmrsp.2018.45.59.

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Liu, Wentao. "COCKTAIL METHOD FOR STEWART PLATFORM CALIBRATION." Chinese Journal of Mechanical Engineering 40, no. 12 (2004): 48. http://dx.doi.org/10.3901/jme.2004.12.048.

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Ramadan, Sherif, Adam Pearson, Namoi Matsuura, et al. "115 Dynamic Lung Phantom-Stewart Platform." Radiotherapy and Oncology 198 (September 2024): S51. http://dx.doi.org/10.1016/s0167-8140(24)03601-6.

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Dasgupta, Bhaskar, and T. S. Mruthyunjaya. "The Stewart platform manipulator: a review." Mechanism and Machine Theory 35, no. 1 (2000): 15–40. http://dx.doi.org/10.1016/s0094-114x(99)00006-3.

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Wapler, Matthias, Volker Urban, Thomas Weisener, Jan Stallkamp, Mark Dürr, and Andrea Hiller. "A Stewart platform for precision surgery." Transactions of the Institute of Measurement and Control 25, no. 4 (2003): 329–34. http://dx.doi.org/10.1191/0142331203tm092oa.

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Wu, Huiyuan, Wenlin Yang, Muk Chen Ong, et al. "A Control Algorithm of Active Wave Compensation System Based on the Stewart Platform." Journal of Physics: Conference Series 2458, no. 1 (2023): 012040. http://dx.doi.org/10.1088/1742-6596/2458/1/012040.

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Abstract Aim at the actual engineering requirements of wind power operation and maintenance under complex sea conditions, a control method of the active wave compensation system for maintenance ships based on the Stewart platform is presented. The kinematics of the platform is analyzed, and the coordinate transformation, pose, and inverse solutions are analyzed and calculated. The multi-body dynamics simulation model is established by using MATLAB. For the problem of the load nonlinearity and strong coupling of the nonlinear Stewart platform, an active wave compensation active disturbance reje

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Li, Yuan Feng, and Wan Xin Zhang. "The Application of Stewart Platform in Spacesuit Upper Torso Active Fit Design." Applied Mechanics and Materials 798 (October 2015): 571–75. http://dx.doi.org/10.4028/www.scientific.net/amm.798.571.

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Stewart platform is a typical parallel manipulator, which is equipped with rigidity, high positioning accuracy and other advantages. To achieve wonderful fit of the spacesuit upper torso, the Stewart platform is applied in the upper torso fit design, by which the upper torso active fit design method is proposed. The mathematical model and the experimental model are established to study the validly of the fit design method. The results verify that the application of Stewart platform in the fit design of spacesuit upper torso is feasible. The research in this paper provides useful guide for the

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Yao, Rui, Wen Bai Zhu, and Qing Ge Yang. "Dimension Optimization Design of the Stewart Platform in FAST." Advanced Materials Research 308-310 (August 2011): 2110–13. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.2110.

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China is now building the largest single dish radio telescope in the world in Guizhou province, which is called Five-hundred meter Aperture Spherical radio Telescope (FAST). A Stewart platform is introduced in FAST as an accuracy adjustable mechanism for feed receivers. The main purpose of this paper is to discuss dimension optimization design method of the Stewart platform based on three optimization objective functions. The optimization objective functions can reflect the operability and accuracy of the Stewart platform, and optimization design flow is presented according to the important de

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