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Page 6663 of Mathematical Reviews Vol. , Issue 2004h
[page]
2004
Mathematical Reviews
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More specifically the observer can be designed if and only if the plant has a relative degree equal to one and the zeros of the transfer functions are located in the open left half of the complex plane ...
The approach is novel in that it off-line constructs a continuum of terminal constraint sets and on-line achieves robust stability by using a relatively short control horizon (even N = 0) with a time varying ...
Advanced LMI based analysis and design for Acrobot walking
2010
International Journal of Control
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Acknowledgements We would like to thank Fabrizio Dabbene from Politecnico di Torino for fruitful discussion and useful tips. ...
This research was supported by the Grant Agency of the Czech Republic through the grant no. 102/08/0186 and by Ministry of Education and Sports of the CR through the grant no. LA09026. ...
The main observation is that the torque used with the above high-gain feedback is too high to be realistic. More details on this rectangular box based design can be found in . ...
doi:10.1080/00207179.2010.484468
fatcat:67urmmpjkfajfa6mnxdh34dff4
Page 985 of American Society of Civil Engineers. Collected Journals Vol. 122, Issue EM10
[page]
1996
American Society of Civil Engineers. Collected Journals
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The Internet Archive has digitized a microfilm copy of this work. It may be possible to borrow a copy for reading.
system, using the optimal control gains from the previous step, in the presence of actuator saturation. ...
This formulation enables actuator saturation to be stud- ied more easily, since v,(t) is the quantity that will saturate when the required control input demand is too high. ...
What Results from Applying Conventional Controllers to MATLAB Neural Network Demos
2010
Theoretical and Applied Informatics
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The applied conventional controllers fulfill the demands of formulated in the present paper the Criterion RD1 (Relative Degree =1). ...
It is shown that appropriate conventional controllers applied to strongly nonlinear plants taken from MATLAB Neural Network (NN) Control Systems Demos are significantly better than NN controllers appearing ...
Acknowledgment The paper contains the results of the research project partially financed from the Resources for Science in Poland, in 2008-2009. ...
doi:10.2478/v10179-010-0016-y
fatcat:j5be5ltn6rgwrmbxoqbx43d7lu
Stable adaptive reference trajectory modification for saturated control applications
2008
2008 American Control Conference
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Also, the specific issues of the effects of actuator constraints on controller performance and stability is studied in detail. ...
The essential ideas and results from computer simulations are presented to illustrate the algorithm developed in paper. ...
INTRODUCTION Control saturation is one of the major challenges in in design of feedback control systems, wherein physical limitations on actuators and/or the plant generally dictate the control input constraints ...
doi:10.1109/acc.2008.4587030
dblp:conf/amcc/SinglaS08
fatcat:gretz4hrmjhk3anmcm7p2smsiq
Robust Global Stabilization of Spacecraft Rendezvous System via Gain Scheduling
2014
International Journal of Automation and Computing
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Considering the advantages of the recently developed parametric Lyapunov equation-based low gain feedback design method and an existing high gain scheduling technique, a new robust gain scheduling controller ...
The relative models with saturation nonlinearity are established based on Clohessey-Wiltshire equation. ...
The construct of the gain scheduled feedback law is based on the low-and-high gain design [30] . ...
doi:10.1007/s11633-014-0809-2
fatcat:gu4lfzryn5ajjbgp6dq2as73ma
LMI based design for the Acrobot walking* *Supported by the Grant Agency of the Czech Republic through the grant no. 102/08/0186 and by Ministry of Education and Sports of the CR through the grant no. LA09026
2009
IFAC Proceedings Volumes
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Numerical simulations of Acrobot walking based on the above mentioned LMI design are demonstrated as well. ...
This paper aims to further improve previously developed design for Acrobot walking based on partial exact feedback linearization of order 3. ...
ACKNOWLEDGEMENTS We would like to thank Fabrizio Dabbene from Politecnico di Torino for fruitful discussion and useful tips. ...
doi:10.3182/20090909-4-jp-2010.00079
fatcat:qetl3hrqjrceblccp5xofjkkxy
Simultaneous Lane-Keeping and Obstacle Avoidance by Combining Model Predictive Control and Control Barrier Functions
[article]
2022
arXiv
pre-print
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We additionally investigate control designs subject to input constraints by using Input-Constrained-CBFs. ...
(OA): at the low level, MPC performs LK via trajectory tracking during nominal operation; and at the high level, different CBF-based safety filters that ensure both LK and OA are designed and compared ...
Due to the high velocity, in some simulations, we impose u max = 5 • and saturate the controls accordingly. ...
arXiv:2204.06136v1
fatcat:sba5esjd7bafzl5aao34ansoya
A plant taxonomy for designing control experiments
2001
IEEE Control Systems
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I hope that this discussion will serve as useful guidance for educators designing control experiments to illuminate control issues, as well as for researchers developing experiments to complement theoretical ...
My objective is to provide perspective on some of the issues that arise in designing control experiments for both ed-ucation and research. ...
Vari-ous factors can contribute to phase variation, such as high dimensionality, nonminimum phase (right-half plane) zeros (due to noncolocation of the sensor and actuator), high relative degree (due to ...
doi:10.1109/37.924793
fatcat:q5d626fldjg3pi3mk67stjbmgm
Practical Implementation of a Novel Anti-Windup Scheme in a HDD-Dual-Stage Servo-System
2004
IEEE/ASME transactions on mechatronics
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It is shown that the AW compensators can improve the performance of the nominal dual-stage servo-system when the secondary actuator control signal saturates at its allowable design limits. ...
Also, stability is achieved despite saturation of both the secondary actuator and the voice-coil-motor actuator. ...
ACKNOWLEDGMENT The authors are grateful to A. Tan, N. Suriadi, and T. Hong Yip from the A*STAR Data Storage Institute, Singapore, for their invaluable and unconditional help and support. ...
doi:10.1109/tmech.2004.835333
fatcat:2fkzoqr5pnfd5buogxlhfeonsq
Analog Beamforming for In-Band Full-Duplex Phased Arrays with Quantized Phase Shifters under a Per-Antenna Received Power Constraint
[article]
2024
arXiv
pre-print
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Our design maximizes transmit BF gain in a desired direction while simultaneously reducing SI power to below a specified threshold on per-antenna basis to avoid saturating receive-chain components, such ...
Core to our approach is that it accounts for real-world phase shifters used in analog phased array systems, whose limited resolution imposes non-convex constraints on BF design. ...
For various steering directions, the achieved (a) max SI power across Rx antennas and (b) Tx BF gain with the Prop. method, and differences in (c) max SI power and (d) Tx BF gain, relative to the reference ...
arXiv:2401.13914v1
fatcat:day4nsqzdbbcreixxzxph2wpri
Robust Analog Design for Automotive Applications by Design Centering with Safe Operating Areas
2008
9th International Symposium on Quality Electronic Design (isqed 2008)
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model parameter variation and constraints to control safe operating areas (SOA). ...
Furthermore, constraints on the operating regions and voltage differences of transistors are used in order to keep operating points stable over a large temperature range. ...
Saturation constraints were defined to ensure SBC's functionality of high output resistance. ...
doi:10.1109/isqed.2008.4479849
dblp:conf/isqed/SobeRRP08
fatcat:ch65eughdrgirlvu4o5345vrim
Improving Input-Output Linearizing Controllers for Bipedal Robots via Reinforcement Learning
[article]
2020
arXiv
pre-print
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The main drawbacks of input-output linearizing controllers are the need for precise dynamics models and not being able to account for input constraints. ...
Moreover, by adding constraints to the learning problem we manage to boost the performance of the final controller when input limits are present. ...
This work was also partially supported through National Science Foundation Grants CMMI-1931853, IIS-1834557, by Berkeley Deep Drive and by HICON-LEARN (design of HIgh CONfidence LEARNing-enabled systems ...
arXiv:2004.07276v2
fatcat:lv466ncrrrcgfk6ujy3dpxbmxm
Constrained-Optimal Based Loop-Shaping State Feedback Approach for Missile Autopilot Design
2016
International Journal of Modeling and Optimization
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Modern tactical missile systems are required to achieve high maneuverability and sufficient stability. ...
This paper involves in the formulation of an optimal design approach that achieves the required level of robustness related to open-loop design requirements and system dynamic limits while minimizing the ...
Moreover, the actuator is considered to be a second-order dynamic system with natural frequency 220 rad/s The proposed approach is used in to provide the optimal autopilot gain K where the control signal ...
doi:10.7763/ijmo.2016.v6.517
fatcat:6o4j4y2mnbbohao6fvg4vgoyvu
Implementation of wind turbine controllers
1997
International Journal of Control
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A rigorous stability analysis of controller start-up is presented for the first time and novel design guidelines are proposed which can significantly reduce the power transients at controller start-up. ...
nonlinear rotor aerodynamics; (2) automatic controller start-up/shut-down; and (3) accommodation of velocity and acceleration constraints within the actuator. ...
Acknowledgements The support of the EPSRC, DTI (formerly D.En) and ETSU, by whose permission this paper is published, is gratefully acknowledged.. ...
doi:10.1080/002071797224621
fatcat:vtgrzbpf7vettfsnj4ffqhnxg4
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