The Experts below are selected from a list of 297 Experts worldwide ranked by ideXlab platform
Zhenbing Zeng - One of the best experts on this subject based on the ideXlab platform.
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A practical symbolic algorithm for the inverse kinematics of 6R manipulators with Simple Geometry
Lecture Notes in Computer Science, 1997Co-Authors: Lu Yang, Zhenbing ZengAbstract:We present a practical symbolic algorithm for the inverse kinematics of 6R manipulator with Simple Geometry. The distinct feature of the algorithm lies at automatically producing symbolic solutions of inverse kinematics in closed form for the existing industrial robots so far as we know. In this paper, we make use of the algebraic properties of closure equation described in [RR90] to obtain a set of additional equations, then solve the new system consisting of the original equations and additional ones by Gaussian elimination and Bezout resultant. The symbolic computations involved in the algorithm are implemented by Maple computer algebra system. The running time of the algorithm, for all examples we implemented, is in 60 seconds on Pentium 75 machine. Especially, we have obtained symbolic closed form solutions of some Puma type robots [W89] for the first time. This approach is also applicable to inverse kinematics of all serial manipulators with Simple Geometry.
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CADE - A Practical Symbolic Algorithm for the Inverse Kinematics of 6R Manipulators with Simple Geometry
Automated Deduction—CADE-14, 1997Co-Authors: Lu Yang, Zhenbing ZengAbstract:We present a practical symbolic algorithm for the inverse kinematics of 6R manipulator with Simple Geometry. The distinct feature of the algorithm lies at automatically producing symbolic solutions of inverse kinematics in closed form for the existing industrial robots so far as we know. In this paper, we make use of the algebraic properties of closure equation described in [RR90] to obtain a set of additional equations, then solve the new system consisting of the original equations and additional ones by Gaussian elimination and Bezout resultant. The symbolic computations involved in the algorithm are implemented by Maple computer algebra system. The running time of the algorithm, for all examples we implemented, is in 60 seconds on Pentium 75 machine. Especially, we have obtained symbolic closed form solutions of some Puma type robots [W89] for the first time. This approach is also applicable to inverse kinematics of all serial manipulators with Simple Geometry.
David Jui-yang Feng - One of the best experts on this subject based on the ideXlab platform.
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Compact multimode interference couplers with arbitrary power splitting ratio.
Optics express, 2008Co-Authors: David Jui-yang Feng, Tsong-sheng LayAbstract:We show that it is possible to obtain 2×2 waveguide couplers with arbitrary power splitting ratios by interconnecting a pair of unequal-width waveguides as the phase-tuning section into the middle of two short MMI sections. These couplers have Simple Geometry and low loss. They offer valuable new possibilities for designing waveguide-based photonic integrated circuits.
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Waveguide couplers with new power splitting ratios made possible by cascading of short multimode interference sections.
Optics express, 2007Co-Authors: David Jui-yang Feng, Tsong-sheng Lay, T. Y. ChangAbstract:We show that it is possible to obtain 2 x 2 waveguide couplers with new power splitting ratios for cross coupling of 7%, 64%, 80% and 93% by cascading two short MMI sections. These couplers have Simple Geometry and low loss. They offer valuable new possibilities for designing waveguide power taps, high-Q ring resonators, ladder-structure optical filters, and loop-mirror partial reflectors.
Tsong-sheng Lay - One of the best experts on this subject based on the ideXlab platform.
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Compact multimode interference couplers with arbitrary power splitting ratio.
Optics express, 2008Co-Authors: David Jui-yang Feng, Tsong-sheng LayAbstract:We show that it is possible to obtain 2×2 waveguide couplers with arbitrary power splitting ratios by interconnecting a pair of unequal-width waveguides as the phase-tuning section into the middle of two short MMI sections. These couplers have Simple Geometry and low loss. They offer valuable new possibilities for designing waveguide-based photonic integrated circuits.
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Waveguide couplers with new power splitting ratios made possible by cascading of short multimode interference sections.
Optics express, 2007Co-Authors: David Jui-yang Feng, Tsong-sheng Lay, T. Y. ChangAbstract:We show that it is possible to obtain 2 x 2 waveguide couplers with new power splitting ratios for cross coupling of 7%, 64%, 80% and 93% by cascading two short MMI sections. These couplers have Simple Geometry and low loss. They offer valuable new possibilities for designing waveguide power taps, high-Q ring resonators, ladder-structure optical filters, and loop-mirror partial reflectors.
T. Y. Chang - One of the best experts on this subject based on the ideXlab platform.
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Waveguide couplers with new power splitting ratios made possible by cascading of short multimode interference sections.
Optics express, 2007Co-Authors: David Jui-yang Feng, Tsong-sheng Lay, T. Y. ChangAbstract:We show that it is possible to obtain 2 x 2 waveguide couplers with new power splitting ratios for cross coupling of 7%, 64%, 80% and 93% by cascading two short MMI sections. These couplers have Simple Geometry and low loss. They offer valuable new possibilities for designing waveguide power taps, high-Q ring resonators, ladder-structure optical filters, and loop-mirror partial reflectors.
Lu Yang - One of the best experts on this subject based on the ideXlab platform.
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A practical symbolic algorithm for the inverse kinematics of 6R manipulators with Simple Geometry
Lecture Notes in Computer Science, 1997Co-Authors: Lu Yang, Zhenbing ZengAbstract:We present a practical symbolic algorithm for the inverse kinematics of 6R manipulator with Simple Geometry. The distinct feature of the algorithm lies at automatically producing symbolic solutions of inverse kinematics in closed form for the existing industrial robots so far as we know. In this paper, we make use of the algebraic properties of closure equation described in [RR90] to obtain a set of additional equations, then solve the new system consisting of the original equations and additional ones by Gaussian elimination and Bezout resultant. The symbolic computations involved in the algorithm are implemented by Maple computer algebra system. The running time of the algorithm, for all examples we implemented, is in 60 seconds on Pentium 75 machine. Especially, we have obtained symbolic closed form solutions of some Puma type robots [W89] for the first time. This approach is also applicable to inverse kinematics of all serial manipulators with Simple Geometry.
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CADE - A Practical Symbolic Algorithm for the Inverse Kinematics of 6R Manipulators with Simple Geometry
Automated Deduction—CADE-14, 1997Co-Authors: Lu Yang, Zhenbing ZengAbstract:We present a practical symbolic algorithm for the inverse kinematics of 6R manipulator with Simple Geometry. The distinct feature of the algorithm lies at automatically producing symbolic solutions of inverse kinematics in closed form for the existing industrial robots so far as we know. In this paper, we make use of the algebraic properties of closure equation described in [RR90] to obtain a set of additional equations, then solve the new system consisting of the original equations and additional ones by Gaussian elimination and Bezout resultant. The symbolic computations involved in the algorithm are implemented by Maple computer algebra system. The running time of the algorithm, for all examples we implemented, is in 60 seconds on Pentium 75 machine. Especially, we have obtained symbolic closed form solutions of some Puma type robots [W89] for the first time. This approach is also applicable to inverse kinematics of all serial manipulators with Simple Geometry.
