Realization of Procedures Permuting Traveling Routes like the K-Opt by the Linked State Transition Neural Neworks for the Traveling Salesman Problems (original) (raw)
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981]Design of a Compensator for Proportional Navigation with mu-Synthesis
Journal of The Japan Society for Aeronautical and Space Sciences, 2005
This paper proposes a design method of a missile guidance system with robust control. The design method provides a compensator for the proportional navigation guidance law, explicitly considering the uncertainties by employing the mu-synthesis, a design method of robust control systems. The proposed method has two features: One is that the plant is modeled so that the feedback signal becomes
Design of a Compensator for Proportional Navigation with .MU.-Synthesis
JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES
This paper proposes a design method of a missile guidance system with robust control. The design method provides a compensator for the proportional navigation guidance law, explicitly considering the uncertainties by employing the µ-synthesis, a design method of robust control systems. The proposed method has two features: One is that the plant is modeled so that the feedback signal becomes the same as that of the proportional navigation, i.e., the relative velocity multiplied by the line-of-sight angular rate. The other is that the controlled output is chosen to be the component of the relative velocity perpendicular to the line of sight, instead of the line-of-sight angular rate, which is usually chosen in guidance law design based on modern control. Computer simulation is performed using a two-dimensional engagement model to show the effectiveness of the guidance law.
We propose an alternative approach to find each robotic agent's unique interaction strategies, called Immersing Discovery Method. In this approach, the human manipulator behaves as if she/he becomes the robot and finds efficient interaction strategies based on each robot's shape and modalities. We implement the system including a reconfigurable body robot, an easier manipulation system, and a recording system to evaluate the validity of our method. We evaluate a block-assembling task by the system by turning on and off the modality of the robot's head. Subsequently, the robot's motion during player's motion significantly increases whereas the ratio of confirmatory behavior significantly decreases in the head-fixed design. This result suggests that the robot leads the users and the user follows the robot in head-fixed condition not as in a normal turn-taking interaction style of the head-free condition.
Re-Entry Guidance Using an Energy-State Equation
JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 2005
This paper presents a new guidance and control system for a re-entry vehicle. In the conventional drag acceleration control system employed for the present space shuttles, the velocity is an unobservable state variable and the associated pole tends to be unstable. Therefore, in this study, a condition which allows all the states to be observable is introduced using a state-space linearization method. It is also shown that energy and its rate are appropriate for the state variables. A guidance law is analytically derived on the basis of the obtained state equation with respect to the energy by solving a two-point boundary-value problem. Furthermore, a tracking control system is designed to make the position, velocity, and flight path angle of the vehicle track the reference states generated in the guidance system. Finally, numerical simulation is performed to verify the validity of the obtained plant expression, and the effectiveness of the proposed guidance and control system.