The Internet Archive has digitized a microfilm copy of this work. It may be possible to borrow a copy for reading.
for the Control of Flexible Structures Mast Flight System G88-044 Variable-Structure Control of Spacecraft Attitude Maneuvers G88-043 Minimum Model Error Estimation for Poorly Modeled Dynamic Systems ... G88-042 Microprocessor Controlled Force Actuator G88-038 Input Selection for a Second-Order Mass Property Estimator G88-035 Spillover Alleviation for Nonlinear Active Control of Vibration G88-020 Hubble ...doi:10.2514/3.56478 fatcat:y7lpz72ldjcuzcwmwub4ykzdd4
Adaptive Control of a Large Flexible Structure G93-001 Control System Effectors Controllability and Observability of Flexible Structures with Proof-Mass Actuators G93-138 Validation of Engineering Methods ... of Robustness in Adaptive Control for Large Flexible Structures G93-002 Experiments in Multivariable Adaptive Control of a Large Flexible Structure G93-001 Structural Design Eigenvalue and Eigenvector ...doi:10.2514/3.56621 fatcat:76b2r2m4bndvvmomgfwrajx7gm
For the OSO-8 space- craft,'* a second-order structural filter was employed to add more phase lead at a particular flexible mode frequency, which results in phase stabilization of the mode. ... Second-order structural filters with limited pole-zero pat- terns have been used in practice for proper gain-phase stabi- lization of flexible modes. ...doi:10.2514/3.20384 fatcat:iqftf7ee5nhirafogvkozj32vq
., “Optimal Damping Ratio for Linear Second-Order Systems,” Journal of Optimization Theory and Applications, Vol. 73, No. 3, 1992, pp. 563-576 Cohen, K., “Active and Passive Control of Flexible Structures ... In addition, sensor readings are contaminated by a high-frequency sensor noise. The ACC benchmark problem may be classified as a flexible structure represented by a second-order dynamic system. ...doi:10.2514/2.4738 fatcat:gybjirurgrdlhf3uy4uum3w64q
The estimation and control of large flexible space structures pose significant new control technology problems. ... The control analog of this problem has already been ad- dressed in some detail.? It has been shown that an optimal control law for a free-free flexible beam very closely resembles a local controller. ...doi:10.2514/3.56133 fatcat:mb3a4tw76beezkhnq56lxjw3k4
Journal of Aircraft
be cast in a first-order time-domain (state-space) form. ... The formulation is based on a first-order time-domain aeroservoelastic mathematical model. ...
Y., “Proximate Time-Optimal Control of Higher-Order Ser- vomechanisms,” Ph.D. ... For general higher order flexible structures, we have used a numer- ical method to characterize the behavior of the time-optimal control switch times. ...doi:10.2514/3.21588 fatcat:2ziglniecjetfmvgwk6zngxq2a
In this paper, we propose a distributed control strategy for the design of an energy market. ... The method relies on a hierarchical structure of aggregators for the coordination of prosumers (agents which can produce and consume energy). ... This work has been sponsored by the Swiss Federal Office of Energy (Project nr. SI/501499) ...arXiv:1803.03560v2 fatcat:sxn2ysxz4zczlanclifckar5ne
The example of revising the computational dynamic scheme of a maneuverable cruciform UAV is given. ... structural damping for the UAV model according to the results of ground modal tests. ... Thus, the paper  provides the development of the finite-element structure model for a small-sized flexible UAV. ...doi:10.26467/2079-0619-2022-25-3-73-85 fatcat:y242hjoa2fho5j643oexfzhdoi
The structure of the time-optimal controls for robotic manipulators has received relatively little attention. “It appears that a paper by A. Ailon and G. Langholz [J. Optim. ... the closed-loop error system.” 90b:70040 70Q05 70B15 Chen, Yao-Chon On the structure of the time-optimal controls for robotic manipulators. ...
Hence, a simulation-based approach is presented, which allows for designing an optimal across-site quality control strategy by evaluating different quality measures depending on individual target systems ... At first, a categorization of quality measures and an applicable target system model are presented. ... German Research Foundation) for supporting this research project LA2351/28-1 "Methodik zur Bewertung der Steuerungsfähigkeit globaler Wertschöpfungsnetzwerke" ("Methodology for assessing the ability to control ...doi:10.1016/j.procir.2016.04.167 fatcat:2ajh6fftzbfn7m5jqeyurylwzy
Note finally that checking the feasibility of a set of design speci- fications with a constraint on the order or structure of the controller is still an open issue because a nonconvex optimization problem ... The order of the optimal feedforward controller is 16. ...doi:10.2514/1.18535 fatcat:txr6ocn25vh3jgayj3kmog76wy
In this paper, a new hybrid approach is proposed to control the arm of flexible robots by using neural networks, fuzzy algorithms and particle swarm optimization algorithm. ... predict the performance of processes and optimize them. ... MIMO structures of fuzzy logic controller are shown in Figure 2 for the flexible control of multi-connectional hard connections. ...doi:10.17485/ijst/2015/v8i35/87127 fatcat:u5o4hejtvzcjdjrymric5eigr4
In order to verify the correctness of the structure, the kinematic simulation analysis of the skeleton model of the structure is carried out. ... This model can reduce the number of drive sources to simplify the mechanical structure, and achieve a separate control function for each finger. ...  used a three-layer sliding spring mechanism to develop a set of flexible hand-functional rehabilitation robot, which controlled the spring sheet to flex in the outer structure through a single ...doi:10.18196/jrc.25103 fatcat:uhs665dqovemdcswf6yca43uie
Smart Structures and Materials 1995: Industrial and Commercial Applications of Smart Structures Technologies
to manufacturing in the areas of lithography, machine tools and flexible robotics. ... Over the last decade these efforts have expanded into the areas of active vibration control and "smart" structures and material systems. ... Variable structure control uses a strategy whereby the active control law at any given time is chosen from a previously specified set of control laws, based on the current state of the system. ...doi:10.1117/12.209326 fatcat:ydbkc2omsnhdlcqe5fj5uxo2yq
« Previous Showing results 1 — 15 out of 130,457 results