Results 21 to 30 of about 14,849 (264)
Application of seeding and automatic differentiation in a large scale ocean circulation model [PDF]
Modeling, Identification and Control, 2005 Computation of the Jacobian in a 3-dimensional general ocean circulation model is considered in this paper. The Jacobian matrix considered in this paper is square, large and sparse.
Frode Martinsen, Dag Slagstad
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Inverse Kinematics of a New Quadruped Robot Control Method
International Journal of Advanced Robotic Systems, 2013 Design of redudant joints has been widely used in quadruped robots, so new kinds of techniques for sloving inverse kinematics are needed. In this paper we propose a new control method called Time-Pose control method and choose the enhanced extended ...
Cai RunBin +4 more
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Challenges of inversely estimating Jacobian from metabolomics data
Frontiers in Bioengineering and Biotechnology, 2015 Inferring dynamics of metabolic networks directly from metabolomics data provides a promising way to elucidate the underlying mechanisms of biological systems, as reported in our previous studies [1-3] by a differential Jacobian approach. The Jacobian is
Xiaoliang eSun +4 more
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Power Flow Calculation Methods for Power Systems with Novel Structure UPFC
Applied Sciences, 2020 Latest unified power flow controller (UPFC) projects adopt novel device structures to meet the requirements of practical applications. Developing power flow calculation methods for these new UPFC structures is of great significance for the design and ...
Jian Yang, Zheng Xu
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Gong-kuang zidonghua, 2021 In order to solve the problem of inaccurate estimation and poor robustness of image Jacobian matrix based on traditional Kalman filtering (KF) in the uncalibrated visual servo control of mine intelligent inspection robot, Kalman filtering algorithm with ...
LI Jing +5 more
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Short-term voltage stability analysis in power systems: A voltage solvability indicator
International Journal of Electrical Power & Energy SystemsThis paper presents an analytical study for short-term voltage stability based on a novel indicator. First, it is shown that the reduced Jacobian matrix of network equations can be transformed to obtain an approximately symmetric matrix which is usually ...
Wenqing Hao +4 more
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Advanced Engineering Materials, EarlyView.Functionally graded metal–ceramic femoral stems are engineered through continuous UMAT‐based stiffness tailoring, eliminating discrete material interfaces while enhancing biomechanical compatibility. Low‐index power‐law gradation optimizes load transfer, reduces stress shielding, and controls implant–bone micromotion, highlighting a materials‐design ...
Rihem Nouira, Sameh Elleuch, Hanen Jrad
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IJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2023 The homogeneous transform program is a function used to calculate the homogeneous transformation matrix at a specific position and orientation of a three-link manipulator.
Ruben Cornelius Siagian +2 more
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Applications of a noncommutative jacobian matrix
Journal of Pure and Applied Algebra, 1992 Let \(F=k\langle \langle X \rangle \rangle\) be the free power series ring in a set \(X\) over a field \(k\), and for any \(x \in X\) and \(f \in F\) denote by \(x^{-1}f\) the right cofactor of \(x\) in \(f\). If \(X,Y\) are any non- empty sets of cardinals \(\alpha,\beta\) respectively and \(\varphi:k\langle \langle X\rangle \rangle \to k \langle ...
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PMU-based estimation of dynamic state Jacobian matrix [PDF]
2017 IEEE International Symposium on Circuits and Systems (ISCAS), 2017 In this paper, a hybrid measurement and model-based method is proposed which can estimate the dynamic state Jacobian matrix in near real-time. The proposed method is computationally efficient and robust to the variation of network topology. Since the estimated Jacobian matrix carries significant information on system dynamics and states, it can be ...
Wang, Xiaozhe, Turitsyn, Konstantin
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