作者: 殺子女者 時(shí)間: 2025-3-21 20:23 作者: Rejuvenate 時(shí)間: 2025-3-22 01:52
Book 1993n by algebraic equations here is equations whereby the unknowns are numbers, as opposed to differen- tial equations, where the unknowns are functions. The algebraic equations at hand can take on the form of multivariate polynomials or may involve trigonometric functions of unknown angles. Because of作者: 外表讀作 時(shí)間: 2025-3-22 07:23 作者: notice 時(shí)間: 2025-3-22 12:12
Analysis of Mechanisms by the Dual Inertia Operatormotion if dual force, dual acceleration, and dual inertia, replace their real counterparts. This approach was implemented in a symbolic computer program. By adding dual number algebra, the program is able to handle dual quantities. Furthermore, applying the dual inertia rules, the dual equations of 作者: 集合 時(shí)間: 2025-3-22 13:42 作者: 集合 時(shí)間: 2025-3-22 18:33
Book 1993f kinematics research involving intensive computations not only of the numer- ical type, but also of a symbolic nature. Research in kinematics over the last decade has been remarkably ori- ented towards the computational aspects of kinematics problems. In fact, this work has been prompted by the nee作者: LUCY 時(shí)間: 2025-3-22 23:38
Elemente der Strukturbildung und Entwicklung inverse dynamics to design the feedforward t orq u e con t roller and one for t h e forward d yn am i cs to vali d a t e t h e con t roll er. The symbolic computations are demonstrated on a six degree of freedom PUMA 560 manipulator.作者: Neonatal 時(shí)間: 2025-3-23 05:15 作者: 古老 時(shí)間: 2025-3-23 05:38 作者: 樹膠 時(shí)間: 2025-3-23 13:02
https://doi.org/10.1007/978-3-662-48282-7ns define three contours in the plane of the two angles involved, the intersections of these contours providing all real solutions. The method is uscd to finnd all rcal dircct kincmatic soluticr.s of a general parallel manipulator of the platform type.作者: 建筑師 時(shí)間: 2025-3-23 14:35
Direct Kinematics in Analytical Form of a General Geometry 5–4 Fully-Parallel Manipulatornknowns, then two unwanted unknowns are eliminated thus obtaining a final 24th order polynomial equation in only one unknown. The twenty-four roots of the equation provide as many configurations of the 5–4 structure in the complex field. Numerical examples support the new theoretical findings.作者: 不斷的變動 時(shí)間: 2025-3-23 21:09
The Semigraphical Solution of the Direct Kinematics of General Platform-Type Parallel Manipulatorsns define three contours in the plane of the two angles involved, the intersections of these contours providing all real solutions. The method is uscd to finnd all rcal dircct kincmatic soluticr.s of a general parallel manipulator of the platform type.作者: Juvenile 時(shí)間: 2025-3-24 02:07
0925-0042 t branch of kinematics research involving intensive computations not only of the numer- ical type, but also of a symbolic nature. Research in kinematics over the last decade has been remarkably ori- ented towards the computational aspects of kinematics problems. In fact, this work has been prompted 作者: cumber 時(shí)間: 2025-3-24 05:24
Einleitung: Vom sichtbaren Unsichtbaren,ause eigensystems can be computed without previous determination of the characteristic polynomial. Furthermore, a compact and efficient formulation of the basic equations is shown. Numerical results are reported at the end.作者: 粗野 時(shí)間: 2025-3-24 08:06
https://doi.org/10.1007/978-3-663-05102-2 iteration step. Even though the pseudo-inverse-based methods provide better convergence, less computation time is needed by steepest descent methods especially in continuous path control and in applications where very few iterations are needed or good initial estimations are provided作者: fastness 時(shí)間: 2025-3-24 11:43
Strukturbildende Psychotherapieops, obtaining such ranges without explicitly finding the algebraic expression of the solution. The form presented by such ranges permits inferring topological properties of the solution space as a whole.作者: 先行 時(shí)間: 2025-3-24 16:39
https://doi.org/10.1007/978-3-662-48268-1d a still nonlinear dynamics in the subspace of the redundant degrees of freedom. By projecting artificial potential and damping forces into the subspace of the redundant degrees of freedom, it is possible e. g. to realize repeatable motions in the joint space for cyclic trajectories or to avoid collisions with obstacles in the workspace.作者: Perceive 時(shí)間: 2025-3-24 19:44
Reducing the Inverse Kinematics of Manipulators to the Solution of a Generalized Eigenproblemause eigensystems can be computed without previous determination of the characteristic polynomial. Furthermore, a compact and efficient formulation of the basic equations is shown. Numerical results are reported at the end.作者: Jejune 時(shí)間: 2025-3-25 01:29
Computational Considerations on Kinematics Inversion of Multi-Link Redundant Robot Manipulators iteration step. Even though the pseudo-inverse-based methods provide better convergence, less computation time is needed by steepest descent methods especially in continuous path control and in applications where very few iterations are needed or good initial estimations are provided作者: 無思維能力 時(shí)間: 2025-3-25 03:26 作者: Meander 時(shí)間: 2025-3-25 09:59
Nonlinear Control of Constrained Redundant Manipulatorsd a still nonlinear dynamics in the subspace of the redundant degrees of freedom. By projecting artificial potential and damping forces into the subspace of the redundant degrees of freedom, it is possible e. g. to realize repeatable motions in the joint space for cyclic trajectories or to avoid collisions with obstacles in the workspace.作者: CLOUT 時(shí)間: 2025-3-25 15:14
Feedforward Torque Computations with the Aid of Maple V inverse dynamics to design the feedforward t orq u e con t roller and one for t h e forward d yn am i cs to vali d a t e t h e con t roll er. The symbolic computations are demonstrated on a six degree of freedom PUMA 560 manipulator.作者: kyphoplasty 時(shí)間: 2025-3-25 17:41
The Kinematics of 3-DOF Planar and Spherical Double-Triangular Parallel Manipulatorshe spherical mechanism. Numerical examples are included that admit two real solutions for the former and four real solutions for the latter, among which only two positive values are acceptable. All solutions, both real and complex, are listed.作者: SUGAR 時(shí)間: 2025-3-25 23:15 作者: 救護(hù)車 時(shí)間: 2025-3-26 03:32
Einleitung: Vom sichtbaren Unsichtbaren,ution of a generalized eigenproblem .·ρ+λ .·ρ=.. Related single-loop mechanisms can also be solved. The eigenproblem-method is numerically stable, because eigensystems can be computed without previous determination of the characteristic polynomial. Furthermore, a compact and efficient formulation of作者: Accolade 時(shí)間: 2025-3-26 04:28
https://doi.org/10.1007/978-3-8348-8162-5 equations in a new variable .= tan(./2). This facilitates the solution of goniometric equations and systems of equations. Elementary problems concerning the special case tan(±π/2) and the introduction of trivial extraneous roots into systems of equations are well known and can be handled. The artic作者: CHOP 時(shí)間: 2025-3-26 11:58
https://doi.org/10.1007/978-3-663-05102-2ns for the inverse kinematic problem of nonredundant subchains and a numeric approach solving the local optimizing problem. The result is an efficient method for low degree of redundancy and complex optimizing tasks.作者: 蚊帳 時(shí)間: 2025-3-26 15:36
https://doi.org/10.1007/978-3-663-05102-2lators. The validity of these methods is questioned from the viewpoint of the computational efficiency specified in terms of arithmetic operations per iteration step. Even though the pseudo-inverse-based methods provide better convergence, less computation time is needed by steepest descent methods 作者: 射手座 時(shí)間: 2025-3-26 17:35
Strukturbildende Psychotherapieity .. This set can be described by means of the fasible ranges of values that each variable can take. It is possible, for all planar and spherical loops, obtaining such ranges without explicitly finding the algebraic expression of the solution. The form presented by such ranges permits inferring to作者: Virtues 時(shí)間: 2025-3-27 00:51
Elemente der Strukturbildung und Entwicklungre derived. The derived kinematic representations include the inverse kinematics, the Jacobian and its time-derivative, which are needed to convert a task space trajectory to the joint level. Two Newton-Euler based recursive multibody dynamics algorithms are also programmed symbolically; one for the作者: 反話 時(shí)間: 2025-3-27 03:41 作者: 占線 時(shí)間: 2025-3-27 06:49
https://doi.org/10.1007/978-3-662-48268-1 such direct extension exists however, for dynamics. Inertia binor is used to obtain the dual momentum, from which the dual equations of motion are derived. This derivation raises the dual dynamic equations to six dimensions, and in fact, it does not act on the dual vector as a whole, but rather on 作者: subordinate 時(shí)間: 2025-3-27 12:04 作者: 欺騙世家 時(shí)間: 2025-3-27 14:31 作者: 巨大沒有 時(shí)間: 2025-3-27 18:19 作者: Gingivitis 時(shí)間: 2025-3-27 22:50 作者: embolus 時(shí)間: 2025-3-28 02:39 作者: squander 時(shí)間: 2025-3-28 09:08
https://doi.org/10.1007/978-3-658-26331-7Several methods to solve sets of nonlinear equations are discussed. Then a modification of dialytic elimination is described, and two methods for obtaining new linearly independent equations are presented. Finally, one of the methods is applied to three quadratics and is shown to yield all of the solutions, without any extraneous roots.作者: 令人不快 時(shí)間: 2025-3-28 11:46
https://doi.org/10.1007/978-3-8348-8162-5We closely reconsider the mathematical tools needed for the solution of the inverse kinematics problem for 6. series manipulators by resultant methods. We discuss the reduction of the original problem, the homogenization of the reduced equations, and several approaches for the application of resultant methods.作者: 芳香一點(diǎn) 時(shí)間: 2025-3-28 15:43
https://doi.org/10.1007/978-3-663-06762-7A method allowing closed form solutions of the joint variables (inverse kinematic problem) has been developed for a man-like kinematic structure. Moreover, the procedure takes into account the available joint range, thus opening up new ways towards intelligent optimization strategies.作者: athlete’s-foot 時(shí)間: 2025-3-28 18:56
Strukturbildende PsychotherapieThis paper investigates the global sets of solutions for single loop inverse kinematic problems containing only independent rotational and translational degrees of freedom, providing a rational and compact method to obtain these sets. This is a sequel of the work presented in Thomas (1992).作者: Fresco 時(shí)間: 2025-3-28 22:57 作者: 向下五度才偏 時(shí)間: 2025-3-29 03:10
Resultant Methods for the Inverse Kinematics ProblemWe closely reconsider the mathematical tools needed for the solution of the inverse kinematics problem for 6. series manipulators by resultant methods. We discuss the reduction of the original problem, the homogenization of the reduced equations, and several approaches for the application of resultant methods.作者: ACME 時(shí)間: 2025-3-29 07:21
Redundancy Resolution for an Eight-Axis ManipulatorA method allowing closed form solutions of the joint variables (inverse kinematic problem) has been developed for a man-like kinematic structure. Moreover, the procedure takes into account the available joint range, thus opening up new ways towards intelligent optimization strategies.作者: Lyme-disease 時(shí)間: 2025-3-29 13:50
The Self-Motion Manifolds of the N-bar MechanismThis paper investigates the global sets of solutions for single loop inverse kinematic problems containing only independent rotational and translational degrees of freedom, providing a rational and compact method to obtain these sets. This is a sequel of the work presented in Thomas (1992).作者: delta-waves 時(shí)間: 2025-3-29 18:08
A Mixed Numeric and Symbolic Approach to Redundant Manipulatorsns for the inverse kinematic problem of nonredundant subchains and a numeric approach solving the local optimizing problem. The result is an efficient method for low degree of redundancy and complex optimizing tasks.作者: babble 時(shí)間: 2025-3-29 20:30 作者: 叢林 時(shí)間: 2025-3-30 00:10 作者: Affable 時(shí)間: 2025-3-30 04:14 作者: 巡回 時(shí)間: 2025-3-30 10:55 作者: 贊成你 時(shí)間: 2025-3-30 14:53
A Mixed Numeric and Symbolic Approach to Redundant Manipulatorsns for the inverse kinematic problem of nonredundant subchains and a numeric approach solving the local optimizing problem. The result is an efficient method for low degree of redundancy and complex optimizing tasks.作者: 痛苦一生 時(shí)間: 2025-3-30 20:09
Computational Considerations on Kinematics Inversion of Multi-Link Redundant Robot Manipulatorslators. The validity of these methods is questioned from the viewpoint of the computational efficiency specified in terms of arithmetic operations per iteration step. Even though the pseudo-inverse-based methods provide better convergence, less computation time is needed by steepest descent methods 作者: 畢業(yè)典禮 時(shí)間: 2025-3-30 21:37 作者: NATTY 時(shí)間: 2025-3-31 04:14
Feedforward Torque Computations with the Aid of Maple Vre derived. The derived kinematic representations include the inverse kinematics, the Jacobian and its time-derivative, which are needed to convert a task space trajectory to the joint level. Two Newton-Euler based recursive multibody dynamics algorithms are also programmed symbolically; one for the