| Year |
Citation |
Score |
| 2021 |
Zhang X, Longman RW. Stability of Sliding Mode ILC Design for a Class of Nonlinear Systems With Unknown Control Input Delay. Ieee Transactions On Neural Networks and Learning Systems. PMID 33606642 DOI: 10.1109/TNNLS.2021.3056680 |
0.439 |
|
| 2020 |
Panomruttanarug B, Longman RW, Phan MQ. Correction to: Steady State Frequency Response Design of Finite Time Iterative Learning Control Journal of the Astronautical Sciences. 67: 814-814. DOI: 10.1007/S40295-020-00219-Y |
0.798 |
|
| 2020 |
Panomruttanarug B, Longman RW, Phan MQ. Steady State Frequency Response Design of Finite Time Iterative Learning Control Journal of the Astronautical Sciences. 67: 571-594. DOI: 10.1007/S40295-019-00198-9 |
0.831 |
|
| 2020 |
Phan MQ, Tseng D, Longman RW. State-Space System Identification Without a Hold Device by Lagrange Interpolation Journal of the Astronautical Sciences. 67: 794-813. DOI: 10.1007/S40295-019-00197-W |
0.342 |
|
| 2020 |
Zhou W, Longman RW. Root Locus of Zeros of Discrete Time Systems as a Function of Sample Rate Journal of the Astronautical Sciences. 67: 164-187. DOI: 10.1007/S40295-019-00164-5 |
0.396 |
|
| 2019 |
Cui P, Liu Z, Zhang G, Xu H, Longman RW. A Novel Second Order Repetitive Control That Facilitates Stability Analysis and its Application to Magnetically Suspended Rotors Ieee Access. 7: 149857-149866. DOI: 10.1109/Access.2019.2947023 |
0.485 |
|
| 2017 |
Vicario F, Phan MQ, Betti R, Longman RW. OKID via Output Residuals: A Converter from Stochastic to Deterministic System Identification Journal of Guidance, Control, and Dynamics. 40: 3226-3238. DOI: 10.2514/1.G001786 |
0.735 |
|
| 2017 |
Phan MQ, Vicario F, Longman RW, Betti R. State-Space Model and Kalman Filter Gain Identification by a Kalman Filter of a Kalman Filter Journal of Dynamic Systems, Measurement, and Control. 140. DOI: 10.1115/1.4037778 |
0.729 |
|
| 2015 |
Phan MQ, Vicario F, Longman RW, Betti R. Optimal bilinear observers for bilinear state-space models by interaction matrices International Journal of Control. 88: 1504-1522. DOI: 10.1080/00207179.2015.1007530 |
0.744 |
|
| 2015 |
Vicario F, Phan MQ, Betti R, Longman RW. Output-only observer/Kalman filter identification (O3KID) Structural Control and Health Monitoring. 22: 847-872. DOI: 10.1002/Stc.1719 |
0.747 |
|
| 2015 |
Ahn ES, Longman RW, Carreras R. Examining the properties of the waterbed effect in spacecraft disturbance rejection control systems Advances in the Astronautical Sciences. 153: 1091-1110. |
0.687 |
|
| 2014 |
Guo H, Longman RW, Ishihara T. A Design Approach for Insensitivity to Disturbance Period Fluctuations Using Higher Order Repetitive Control Ifac Proceedings Volumes. 47: 6508-6513. DOI: 10.3182/20140824-6-Za-1003.02123 |
0.479 |
|
| 2014 |
Shi Y, Longman RW, Nagashima M. Small gain stability theory for matched basis function repetitive control Acta Astronautica. 95: 260-271. DOI: 10.1016/J.Actaastro.2013.09.016 |
0.759 |
|
| 2014 |
Longman RW, Alnajjar KA, Ji X. Comments on how a new engineering field develops: A case study from iterative learning and repetitive control Lecture Notes in Electrical Engineering. 293: 1273-1279. DOI: 10.1007/978-3-319-04573-3_155 |
0.389 |
|
| 2014 |
Panomruttanarug B, Longman RW. Repetitive control of digital systems having fast phase change produced in the discretization Advances in the Astronautical Sciences. 150: 1921-1939. |
0.784 |
|
| 2014 |
Prasitmeeboon P, Longman RW. Investigation of discrete time emulation techniques to simplify repetitive control design Advances in the Astronautical Sciences. 150: 1941-1958. |
0.362 |
|
| 2014 |
Li T, Longman RW. Idiosyncrasies in the inverse models of digital skip step finite time systems Advances in the Astronautical Sciences. 152: 767-786. |
0.421 |
|
| 2014 |
Zhu J, Longman RW. Incorporating physical considerations in the design of repetitive controllers Advances in the Astronautical Sciences. 152: 2803-2822. |
0.476 |
|
| 2014 |
Chinnan A, Phan MQ, Longman RW. Feedback and iterative learning control with disturbance estimators Advances in the Astronautical Sciences. 152: 747-766. |
0.447 |
|
| 2014 |
Vicario F, Phan MQ, Betti R, Longman RW. OKID as a unified approach to system identification Advances in the Astronautical Sciences. 152: 3443-3460. |
0.724 |
|
| 2014 |
Vicario F, Phan MQ, Betti R, Longman RW. Bilinear observer/Kalman filter identification Advances in the Astronautical Sciences. 152: 1517-1536. |
0.741 |
|
| 2014 |
Vicario F, Phan MQ, Longman RW, Betti R. A linear-time-varying approach for exact identification of bilinear discrete-time systems by interaction matrices Advances in the Astronautical Sciences. 150: 1057-1076. |
0.72 |
|
| 2013 |
Phan MQ, Longman RW, Panomruttanarug B, Lee SC. Robustification of iterative learning control and repetitive control by averaging International Journal of Control. 86: 855-868. DOI: 10.1080/00207179.2013.764576 |
0.807 |
|
| 2013 |
Ahn ES, Longman RW, Kim JJ, Agrawal BN. Evaluation of Five Control Algorithms for Addressing CMG Induced Jitter on a Spacecraft Testbed Journal of the Astronautical Sciences. 60: 434-467. DOI: 10.1007/S40295-015-0066-9 |
0.69 |
|
| 2013 |
Vicario F, Phan MQ, Betti R, Longman RW. Linear state representations for identification of bilinear discrete-time models by interaction matrices Advances in the Astronautical Sciences. 148: 2039-2058. DOI: 10.1007/S11071-014-1399-9 |
0.736 |
|
| 2013 |
Longman RW, Chew MS, Phan MQ. Precision motion control: Intelligent mechanisms, morphing mechanisms Lecture Notes in Electrical Engineering. 234: 1025-1033. DOI: 10.1007/978-1-4614-6747-2_120 |
0.36 |
|
| 2013 |
Gao F, Longman RW. Examining the learning rate in Iterative Learning Control near the end of the desired trajectory Advances in the Astronautical Sciences. 148: 2019-2037. |
0.467 |
|
| 2012 |
Longman RW. Iterative learning control: A method that can improve product quality and productivity in manufacturing Journal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series a/Chung-Kuo Kung Ch'Eng Hsuch K'An. 35: 3-15. DOI: 10.1080/02533839.2012.624775 |
0.454 |
|
| 2012 |
Hizir NB, Phan MQ, Betti R, Longman RW. Identification of discrete-time bilinear systems through equivalent linear models Nonlinear Dynamics. 69: 2065-2078. DOI: 10.1007/S11071-012-0408-0 |
0.424 |
|
| 2012 |
Shi Y, Longman RW. Converting repetitive control robustification methods to apply to iterative learning control Advances in the Astronautical Sciences. 143: 1003-1021. |
0.505 |
|
| 2012 |
Li T, Longman RW, Shi Y. Stabilizing intersample error in iterative learning control using multiple zero order holds each time step Advances in the Astronautical Sciences. 142: 2965-2980. |
0.511 |
|
| 2012 |
Panomruttanarug B, Longman RW, Phan MQ. Designing stable iterative learning control systems from frequency based repetitive control designs Advances in the Astronautical Sciences. 142: 2893-2912. |
0.834 |
|
| 2012 |
Ahn ES, Longman RW, Kim JJ. Evaluating the stability robustness to model errors of multiple-period repetitive control Advances in the Astronautical Sciences. 142: 2563-2580. |
0.686 |
|
| 2011 |
Shi Y, Longman RW. The influence on stability robustness of compromising on the zero tracking error requirement in repetitive control Advances in the Astronautical Sciences. 139: 465-482. DOI: 10.1007/S40295-013-0027-8 |
0.683 |
|
| 2011 |
Longman RW, Juang JN, Phan MQ, Xu K. On multi-input multi-output repetitive control design methods Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'Eng Hsuebo Pao. 32: 477-492. |
0.39 |
|
| 2010 |
Longman RW. On the theory and design of linear repetitive control systems European Journal of Control. 16: 447-496. DOI: 10.3166/Ejc.16.447-496 |
0.546 |
|
| 2010 |
Li Y, Longman RW. Characterizing and addressing the instability of the control action in iterative learning control Advances in the Astronautical Sciences. 136: 1967-1985. |
0.507 |
|
| 2010 |
Isik MC, Longman RW. Explaining and evaluating the discrepancy between the intended and the actual cutoff frequency in repetitive control Advances in the Astronautical Sciences. 136: 1581-1598. |
0.466 |
|
| 2010 |
Li Y, Longman RW. Using underspecification to eliminate the usual instability of digital system inverse models Advances in the Astronautical Sciences. 135: 127-148. |
0.467 |
|
| 2010 |
Bao J, Longman RW. Unification and robustification of iterative learning control laws Advances in the Astronautical Sciences. 136: 727-745. |
0.676 |
|
| 2010 |
Shi Y, Longman RW, Phan MQ. An algorithm for robustification of repetitive control to parameter uncertainties Advances in the Astronautical Sciences. 136: 1953-1966. |
0.389 |
|
| 2010 |
Yeol JW, Longman RW, Bock HG. On the relationships between proofs of convergence in continuous and discrete time iterative learning control Advances in the Astronautical Sciences. 135: 1383-1400. |
0.476 |
|
| 2009 |
Xu K, Longman RW. Use of taylor expansions of the inverse model to design FIR repetitive controllers Advances in the Astronautical Sciences. 134: 1073-1088. |
0.352 |
|
| 2009 |
Longman RW, Mombaur KD. Iterative learning control in nonlinear systems using state estimation for relinearizations Advances in the Astronautical Sciences. 134: 1721-1735. |
0.469 |
|
| 2009 |
Panomruttanarug B, Longman RW, Phan MQ. Multiple model robustification of iterative learning and repetitive control laws including design from frequency response data Advances in the Astronautical Sciences. 134: 2259-2278. |
0.821 |
|
| 2008 |
Yeol JW, Longman RW, Ryu YS. On the settling time in repetitive control systems Ifac Proceedings Volumes (Ifac-Papersonline). 17. DOI: 10.3182/20080706-5-Kr-1001.02109 |
0.512 |
|
| 2008 |
Phan MQ, Brown HM, Lee SC, Longman RW. Frequency Domain Based Design of Iterative Learning Controllers for Monotonic Convergence Ifac Proceedings Volumes. 41: 12454-12459. DOI: 10.3182/20080706-5-Kr-1001.02108 |
0.54 |
|
| 2008 |
Panomruttanarug B, Longman RW. Using a Kalman filter to attenuate noise in learning and repetitive control can easily degrade performance Proceedings of the Sice Annual Conference. 3453-3458. DOI: 10.1109/SICE.2008.4655259 |
0.805 |
|
| 2008 |
Yeol JW, Longman RW. Time and frequency domain evaluation of settling time in repetitive control Aiaa/Aas Astrodynamics Specialist Conference and Exhibit. |
0.41 |
|
| 2008 |
Panomruttanarug B, Longman RW. The advantages and disadvantages of kalman filtering in iterative learning control Advances in the Astronautical Sciences. 130: 347-365. |
0.815 |
|
| 2008 |
Chinnan AP, Longman RW. Designing iterative learning controllers from limited pulse response data Advances in the Astronautical Sciences. 130: 283-302. |
0.785 |
|
| 2008 |
Li Y, Longman RW. Addressing problems of instability in intersample error in iterative learning control Advances in the Astronautical Sciences. 129: 1571-1592. |
0.469 |
|
| 2008 |
Panomruttanarug B, Longman RW. The advantages and disadvantages of kalman filtering in repetitive control Advances in the Astronautical Sciences. 129: 1433-1452. |
0.799 |
|
| 2008 |
Bao J, Longman RW. Enhancements of repetitive control using specialized fir zero-phase filter designs Advances in the Astronautical Sciences. 129: 1413-1432. |
0.635 |
|
| 2008 |
Longman RW, Mombaur KD. Implementing linear iterative learning control laws in nonlinear systems Advances in the Astronautical Sciences. 130: 303-324. |
0.415 |
|
| 2008 |
Longman RW, Xu K, Phan MQ. Design of repetitive controllers in the frequency domain for multi-input multi-output systems Advances in the Astronautical Sciences. 129: 1593-1612. |
0.366 |
|
| 2008 |
Longman RW, Juang JN, Phan MQ. On the ill-conditioning in MPC when used to address the repetitive control problem Aiaa/Aas Astrodynamics Specialist Conference and Exhibit. |
0.43 |
|
| 2007 |
Sun Z, Sen AK, Longman RW. Adaptive optimal stochastic state feedback control of resistive wall modes in tokamaks Journal of Fusion Energy. 26: 211-214. DOI: 10.1007/S10894-006-9074-X |
0.462 |
|
| 2007 |
Longman RW, Kang W. Issues in robustification of iterative learning control using a zero-phase filter cutoff Advances in the Astronautical Sciences. 127: 1683-1702. |
0.442 |
|
| 2007 |
Longman RW, Bao J. On the periodic images of start-up in repetitive control Advances in the Astronautical Sciences. 127: 1743-1762. |
0.697 |
|
| 2007 |
Panomruttanarug B, Longman RW. Designing optimized fir repetitive controllers from noisy frequency response data Advances in the Astronautical Sciences. 127: 1723-1742. |
0.784 |
|
| 2007 |
Longman RW, Yeol JW, Ryu YS. Placing the repetitive controller inside or outside the feedback loop: Simultaneously achieving the feedback and repetitive control objectives Advances in the Astronautical Sciences. 127: 1703-1722. |
0.413 |
|
| 2006 |
Longman RW, Phan MQ. Iterative learning control as a method of experiment design for improved system identification Optimization Methods and Software. 21: 919-941. DOI: 10.1080/10556780600881431 |
0.555 |
|
| 2006 |
Sun Z, Sen AK, Longman RW. Adaptive stochastic output feedback control of resistive wall modes in tokamaks Physics of Plasmas. 13: 092508. DOI: 10.1063/1.2355451 |
0.467 |
|
| 2006 |
Longman RW, Mombaur KD. Investigating the use of iterative learning control and repetitive control to implement periodic gaits Lecture Notes in Control and Information Sciences. 340: 189-218. DOI: 10.1007/978-3-540-36119-0_9 |
0.517 |
|
| 2006 |
Kang W, Longman RW. The effect of interpolation on stability and performance in repetitive control Advances in the Astronautical Sciences. 123: 1163-1182. |
0.477 |
|
| 2006 |
Yao L, Longman RW. Better holds can make worse inter sample error in digital learning control Collection of Technical Papers - Aiaa/Aas Astrodynamics Specialist Conference, 2006. 2: 1262-1281. |
0.466 |
|
| 2006 |
Panomruttanarug B, Longman RW. Converting repetitive control into stable learning control by iterative adjustment of initial state Advances in the Astronautical Sciences. 124: 667-686. |
0.831 |
|
| 2006 |
Lo CP, Longman RW. Frequency response analysis of higher order repetitive control Advances in the Astronautical Sciences. 123: 1183-1202. |
0.4 |
|
| 2006 |
Panomruttanarug B, Longman RW. Frequency based optimal design of FIR zero-phase filters and compensators for robust repetitive control Advances in the Astronautical Sciences. 123: 219-238. |
0.817 |
|
| 2006 |
Longman RW, Kwon T, LeVoci PA. Making the learning control problem well posed - Stabilizing intersample error Advances in the Astronautical Sciences. 123: 1143-1162. |
0.84 |
|
| 2006 |
Chen K, Longman RW, Phan MQ. On the relationship between repetitive control and model predictive control Collection of Technical Papers - Aiaa/Aas Astrodynamics Specialist Conference, 2006. 2: 1282-1304. |
0.373 |
|
| 2006 |
Longman RW, Taekjoon K, Danwei W, Yongqiang Y. Practical, model-free, completely robust learning control using reversed time input runs Collection of Technical Papers - Aiaa/Aas Astrodynamics Specialist Conference, 2006. 2: 1252-1261. |
0.466 |
|
| 2006 |
Longman RW, Yeol JW, Ryu YS. Improved methods to cancel multiple unrelated periodic disturbances by repetitive control Advances in the Astronautical Sciences. 123: 199-218. |
0.448 |
|
| 2006 |
Longman RW, Yeol JW, Ryu YS. Tuning and performance of robust multiple-period repetitive control Advances in the Astronautical Sciences. 124: 687-705. |
0.389 |
|
| 2005 |
Zhang K, Sun M, Lester DK, Pi-Sunyer FX, Boozer CN, Longman RW. Assessment of human locomotion by using an insole measurement system and artificial neural networks. Journal of Biomechanics. 38: 2276-87. PMID 16154415 DOI: 10.1016/J.Jbiomech.2004.07.036 |
0.487 |
|
| 2005 |
Phetkong N, Chew M, Longman RW. Morphing Mechanisms Part 2: Using Repetitive Control to Morph Cam Follower Motion American Journal of Applied Sciences. 2: 904-909. DOI: 10.3844/Ajassp.2005.904.909 |
0.484 |
|
| 2005 |
Phetkong N, Chew M, Longman RW. Morphing Mechanisms Part 1: Using Iterative Learning Control to Morph Cam Follower Motion American Journal of Applied Sciences. 2: 897-903. DOI: 10.3844/Ajassp.2005.897.903 |
0.379 |
|
| 2005 |
Mombaur KD, Bock HG, Schloder JP, Longman RW. Self-stabilizing somersaults Ieee Transactions On Robotics. 21: 1148-1157. DOI: 10.1109/Tro.2005.855990 |
0.333 |
|
| 2005 |
Mombaur KD, Longman RW, Bock HG, Schlöder JP. Open-loop stable running Robotica. 23: 21-33. DOI: 10.1017/S026357470400058X |
0.355 |
|
| 2005 |
Mombaur KD, Bock HG, Schlöder JP, Longman RW. Open‐loop stable solutions of periodic optimal control problems in robotics Zamm-Zeitschrift Fur Angewandte Mathematik Und Mechanik. 85: 499-515. DOI: 10.1002/Zamm.200310190 |
0.397 |
|
| 2005 |
Lo CP, Longman RW. Root locus analysis of higher order repetitive control Advances in the Astronautical Sciences. 120: 2021-2040. |
0.374 |
|
| 2005 |
Nagashima M, Longman RW. Stability and performance analysis of matched basis function repetitive control in the frequency domain Advances in the Astronautical Sciences. 119: 1581-1600. |
0.648 |
|
| 2005 |
Nagashima M, Longman RW. Comparison of methods for rejecting multiple frequency disturbances with frequency tracking Advances in the Astronautical Sciences. 120: 2061-2080. |
0.635 |
|
| 2005 |
Zhao J, Longman RW. Predictive feedback control for implementing optimal point-to-point trajectories followed by regulation Advances in the Astronautical Sciences. 119: 1601-1620. |
0.348 |
|
| 2005 |
Lo CP, Longman RW. Designing root locus departure angle compensators in repetitive control based on error spectrum Advances in the Astronautical Sciences. 119: 1389-1408. |
0.402 |
|
| 2005 |
Nagashima M, Longman RW. Cancellation of unknown periodic disturbances by PLL/adaptive matched basis function repetitive control Advances in the Astronautical Sciences. 120: 2041-2060. |
0.691 |
|
| 2005 |
Longman RW, Phan MQ. Experiment design using iterative learning control for improved identification of linear systems Advances in the Astronautical Sciences. 120: 1003-1021. |
0.473 |
|
| 2005 |
Takanishi K, Phan MQ, Longman RW. Design of an optimal combination of feedback and iterative learning controllers Advances in the Astronautical Sciences. 119: 789-800. |
0.46 |
|
| 2005 |
Takanishi K, Phan MQ, Longman RW. Multiple-model probabilistic design of robust iterative learning controllers Transactions of the North American Manufacturing Research Institute of Sme. 33: 533-540. |
0.34 |
|
| 2004 |
LeVoci PA, Longman RW. Intersample error in discrete time learning and repetitive control Collection of Technical Papers - Aiaa/Aas Astrodynamics Specialist Conference. 3: 1237-1274. |
0.84 |
|
| 2004 |
Panomruttanarug B, Longman RW. Repetitive controller design using optimization in the frequency domain Collection of Technical Papers - Aiaa/Aas Astrodynamics Specialist Conference. 3: 1215-1236. |
0.797 |
|
| 2004 |
Oh SJ, Longman RW, Hsin YP. The possible block diagram configurations for repetitive control to cancel periodic plant or measurement disturbances Collection of Technical Papers - Aiaa/Aas Astrodynamics Specialist Conference. 2: 1178-1192. |
0.488 |
|
| 2003 |
Sen AK, Nagashima M, Longman RW. Optimal control of tokamak resistive wall modes in the presence of noise Physics of Plasmas. 10: 4350-4357. DOI: 10.1063/1.1616560 |
0.559 |
|
| 2003 |
Luş H, Angelis MD, Betti R, Longman RW. Constructing Second-Order Models of Mechanical Systems from Identified State Space Realizations. Part II: Numerical Investigations Journal of Engineering Mechanics-Asce. 129: 489-501. DOI: 10.1061/(Asce)0733-9399(2003)129:5(489) |
0.339 |
|
| 2003 |
Luş H, Angelis MD, Betti R, Longman RW. Constructing Second-Order Models of Mechanical Systems from Identified State Space Realizations. Part I: Theoretical Discussions Journal of Engineering Mechanics-Asce. 129: 477-488. DOI: 10.1061/(Asce)0733-9399(2003)129:5(477) |
0.322 |
|
| 2003 |
Mombaur K, Bock HG, Schlöder J, Longman R. Stability Optimization of Periodic Mechanical Systems without Feedback Pamm. 3: 519-520. DOI: 10.1002/Pamm.200310529 |
0.352 |
|
| 2003 |
Nagashima M, Longman RW. The effect of averaging in matched basis function real time repetitive control Advances in the Astronautical Sciences. 114: 75-94. |
0.677 |
|
| 2003 |
Chen K, Longman RW. Creating a short time equivalent of frequency cutoff for robustness in learning control Advances in the Astronautical Sciences. 114: 95-114. |
0.466 |
|
| 2003 |
Hsin YP, Longman RW. Repetitive control to eliminate periodic measurement disturbances: Application to disk drives Advances in the Astronautical Sciences. 114: 135-150. |
0.47 |
|
| 2002 |
Phan MQ, Longman RW. Higher-order iterative learning control by pole placement and noise filtering Ifac Proceedings Volumes (Ifac-Papersonline). 15: 25-30. DOI: 10.3182/20020721-6-Es-1901.00990 |
0.494 |
|
| 2002 |
Angelis MD, Luş H, Betti R, Longman RW. Extracting Physical Parameters of Mechanical Models From Identified State-Space Representations Journal of Applied Mechanics. 69: 617-625. DOI: 10.1115/1.1483836 |
0.303 |
|
| 2002 |
Elci H, Longman RW, Phan MQ, Juang J, Ugoletti R. Simple learning control made practical by zero-phase filtering: applications to robotics Ieee Transactions On Circuits and Systems I-Regular Papers. 49: 753-767. DOI: 10.1109/Tcsi.2002.1010031 |
0.574 |
|
| 2002 |
Avrachenkov KE, Beigi HSM, Longman RW. Updating Procedures For Iterative Learning Control In Hilbert Space Intelligent Automation and Soft Computing. 8: 183-189. DOI: 10.1080/10798587.2002.10644214 |
0.447 |
|
| 2002 |
Lee SC, Longman RW, Phan MQ. Direct model reference learning and repetitive control Intelligent Automation and Soft Computing. 8: 143-161. DOI: 10.1080/10798587.2002.10644212 |
0.532 |
|
| 2002 |
Longman RW, Huang YC. The phenomenon of apparent convergence followed by divergence in learning and repetitive control Intelligent Automation and Soft Computing. 8: 107-128. DOI: 10.1080/10798587.2002.10644210 |
0.57 |
|
| 2002 |
Luş H, Betti R, Longman RW. Obtaining refined first-order predictive models of linear structural systems Earthquake Engineering and Structural Dynamics. 31: 1413-1440. DOI: 10.1002/Eqe.169 |
0.379 |
|
| 2002 |
Longman RW, Kwon T. Obtaining good transients in iterative learning control using step response data Aiaa/Aas Astrodynamics Specialist Conference and Exhibit. |
0.454 |
|
| 2002 |
LeVoci PA, Longman RW. Frequency domain prediction of final error due to noise in learning and repetitive control Advances in the Astronautical Sciences. 112: 1341-1360. |
0.843 |
|
| 2002 |
Chen K, Longman RW. Stability issues using FIR filtering in repetitive control Advances in the Astronautical Sciences. 112: 1321-1340. |
0.45 |
|
| 2002 |
Lo CP, Longman RW. On the use of root locus departure angle information to design compensators in repetitive control Advances in the Astronautical Sciences. 112: 1383-1402. |
0.38 |
|
| 2002 |
Oh SJ, Longman RW. Methods of real-time zero-phase low-pass filtering for robust repetitive control Aiaa/Aas Astrodynamics Specialist Conference and Exhibit. |
0.403 |
|
| 2002 |
Levoci PA, Longman RW. Time domain prediction of final error due to noise in learning and repetitive control Aiaa/Aas Astrodynamics Specialist Conference and Exhibit. |
0.849 |
|
| 2002 |
Chen HJ, Longman RW, Agrawal BN. Approaches to matched basis function repetitive control Advances in the Astronautical Sciences. 109: 931-950. |
0.472 |
|
| 2001 |
Lin JW, Betti R, Smyth AW, Longman RW. On-line identification of non-linear hysteretic structural systems using a variable trace approach Earthquake Engineering and Structural Dynamics. 30: 1279-1303. DOI: 10.1002/Eqe.63 |
0.358 |
|
| 2001 |
Songchon T, Longman RW. On the waterbed effect in repetitive control using zero-phase filtering Advances in the Astronautical Sciences. 108: 1321-1340. |
0.825 |
|
| 2001 |
Wen HP, Longman RW. Repetitive control methods when the disturbance period is not an integer multiple of the sample time Advances in the Astronautical Sciences. 108: 1301-1320. |
0.452 |
|
| 2001 |
Akogyeram RA, Longman RW, Hutton A, Juang JN. On the choice of method to cancel 60 Hz disturbances in beam position and energy Proceedings of the Ieee Particle Accelerator Conference. 2: 1270-1272. |
0.79 |
|
| 2001 |
Longman RW, Akogyeram R, Hutton A, Juang JN. Trade-offs between feedback, feedforward, and repetitive control for systems subject to periodic disturbances Advances in the Astronautical Sciences. 108: 1281-1300. |
0.409 |
|
| 2000 |
Longman RW. Iterative learning control and repetitive control for engineering practice International Journal of Control. 73: 930-954. DOI: 10.1080/002071700405905 |
0.547 |
|
| 2000 |
Songchon T, Longman RW. Iterative learning control and the waterbed effect Astrodynamics Specialist Conference. 444-453. |
0.836 |
|
| 2000 |
Plotnik AM, Longman RW. Subtleties in the use of zero-phase low-pass filtering and cliff filtering in learning control Advances in the Astronautical Sciences. 103: 673-686. |
0.415 |
|
| 2000 |
Longman RW, Akogyeram R, Hutton A, Juang JN. Stability of matched basis function repetitive control Advances in the Astronautical Sciences. 105: 33-52. |
0.43 |
|
| 2000 |
Longman RW, Akogyeram R, Juang JN, Hutton A. Control law design for eliminating periodic disturbances above nyquist frequency Astrodynamics Specialist Conference. 418-432. |
0.487 |
|
| 2000 |
Phan MQ, Longman RW, Moore KL. Unified formulation of linear iterative learning control Advances in the Astronautical Sciences. 105: 93-111. |
0.408 |
|
| 1999 |
Song G, Longman RW, Mukherjee R. Integrated sliding-mode adaptive-robust control Iee Proceedings: Control Theory and Applications. 146: 341-347. DOI: 10.1049/ip-cta:19990435 |
0.381 |
|
| 1999 |
Luş H, Betti R, Longman RW. Identification of linear structural systems using earthquake-induced vibration data Earthquake Engineering and Structural Dynamics. 28: 1449-1467. DOI: 10.1002/(Sici)1096-9845(199911)28:11<1449::Aid-Eqe881>3.0.Co;2-5 |
0.347 |
|
| 1999 |
Wen HP, Longman RW. Floquet stability analysis of disturbance cancellation using iterative basis function feedback Advances in the Astronautical Sciences. 102: 783-797. |
0.433 |
|
| 1999 |
Wirkander SL, Longman RW. Limit cycles for improved performance in self-tuning learning control Advances in the Astronautical Sciences. 102: 763-774. |
0.39 |
|
| 1999 |
Longman RW, Songchon T. Trade-offs in designing learning/repetitive controllers using zero-phase filtering for long term stabilization Advances in the Astronautical Sciences. 102: 243-258. |
0.84 |
|
| 1998 |
Song G, Cai L, Wang Y, Longman RW. A sliding-mode based smooth adaptive robust controller for friction compensation International Journal of Robust and Nonlinear Control. 8: 725-739. DOI: 10.1002/(Sici)1099-1239(19980715)8:8<725::Aid-Rnc345>3.0.Co;2-D |
0.364 |
|
| 1998 |
Song G, Longman RW, Cai L. Integrated adaptive-robust control of robot manipulators Journal of Robotic Systems. 15: 699-712. DOI: 10.1002/(Sici)1097-4563(199812)15:12<699::Aid-Rob3>3.0.Co;2-O |
0.318 |
|
| 1998 |
Panariello GF, Betti R, Longman RW. Application of ensemble training of a structural controller to the AMD benchmark problem Earthquake Engineering and Structural Dynamics. 27: 1347-1366. DOI: 10.1002/(Sici)1096-9845(1998110)27:11<1347::Aid-Eqe788>3.0.Co;2-V |
0.476 |
|
| 1998 |
Wen HP, Phan MQ, Longman RW. Bridging learning control and repetitive control using basis functions Advances in the Astronautical Sciences. 99: 335-351. |
0.399 |
|
| 1997 |
Longman RW, Lo CP. Generalized holds, ripple attenuation, and tracking additional outputs in learning control Journal of Guidance, Control, and Dynamics. 20: 1207-1214. DOI: 10.2514/2.4178 |
0.723 |
|
| 1997 |
Panariello GF, Betti R, Longman RW. Optimal structural control via training on ensemble of Earthquakes Journal of Engineering Mechanics. 123: 1170-1179. DOI: 10.1061/(Asce)0733-9399(1997)123:11(1170) |
0.452 |
|
| 1997 |
Longman RW, Lot CP. Generalized holds, ripple attenuation, and tracking additional outputs in discrete time learning control 35th Aerospace Sciences Meeting and Exhibit. |
0.493 |
|
| 1997 |
Song G, Longman RW, Cai L. Integrated adaptive-robust control of robot manipulators with joint stick-slip friction Ieee Conference On Control Applications - Proceedings. 177-182. |
0.369 |
|
| 1997 |
Hsin YP, Longman RW, Solcz EJ, DeJong J. Stabilization due to finite word length in repetitive and learning control Advances in the Astronautical Sciences. 97: 817-827. |
0.494 |
|
| 1997 |
Hsin YP, Longman RW, Solcz EJ, DeJong J. A repetitive control law designed to eliminate periodic measurement disturbances Advances in the Astronautical Sciences. 97: 837-844. |
0.42 |
|
| 1997 |
Wen HP, Longman RW, Ryu YS. Conditions for convergence in indirect adaptive control based learning control Advances in the Astronautical Sciences. 95: 623-639. |
0.483 |
|
| 1996 |
Lee-Glauser GJ, Juang JN, Longman RW. Comparison and combination of learning controllers: Computational enhancement and experiments Journal of Guidance, Control, and Dynamics. 19: 1116-1123. DOI: 10.2514/3.21753 |
0.509 |
|
| 1996 |
Longman RW, Schulz VH, Bock HG. Path planning for satellite mounted robots International Conference On Dynamics and Control of Structures in Space, Space. 17-32. DOI: 10.2495/Dcss960021 |
0.323 |
|
| 1996 |
Jen F, Shoham M, Longman RW. Liapunov stability of force-controlled grasps with a multi-fingered hand The International Journal of Robotics Research. 15: 137-154. DOI: 10.1177/027836499601500203 |
0.331 |
|
| 1996 |
Longman RW. The range of possible iterative learning control laws to optimize robot tracking Zamm Zeitschrift Fur Angewandte Mathematik Und Mechanik. 76: 287-290. |
0.462 |
|
| 1996 |
Longman RW, Wang Y. Phase cancellation learning control using FFT weighted frequency response identification Advances in the Astronautical Sciences. 93: 85-96. |
0.419 |
|
| 1996 |
Jang HS, Longman RW. Design of digital learning controllers using a partial isometry Advances in the Astronautical Sciences. 93: 137-150. |
0.451 |
|
| 1996 |
Panariello GF, Betti R, Longman RW. Linear optimal structural control including the external excitation Proceedings of Engineering Mechanics. 2: 760-763. |
0.307 |
|
| 1995 |
Phan M, Horta LG, Juang JN, Longman RW. Improvement of observer/Kalman filter identification (OKID) by residual whitening Journal of Vibration and Acoustics, Transactions of the Asme. 117: 232-239. DOI: 10.1115/1.2873927 |
0.404 |
|
| 1994 |
Phan M, Juang J, Horta LG, Longman RW. System identification from closed-loop data with known output feedback dynamics Journal of Guidance Control and Dynamics. 17: 661-669. DOI: 10.2514/3.21253 |
0.405 |
|
| 1994 |
Fabien BC, Longman RW, Freudenstein F. Design of high-speed dwell-rise-dwell cams using linear quadratic optimal control theory Journal of Mechanical Design, Transactions of the Asme. 116: 867-874. DOI: 10.1115/1.2919462 |
0.361 |
|
| 1993 |
Horta LG, Juang J, Longman RW. Discrete-time model reduction in limited frequency ranges Journal of Guidance Control and Dynamics. 16: 1125-1130. DOI: 10.2514/3.21136 |
0.392 |
|
| 1993 |
Juang J, Wu S, Phan M, Longman RW. Passive Dynamic Controllers For Nonlinear Mechanical Systems Journal of Guidance Control and Dynamics. 16: 845-851. DOI: 10.2514/3.21091 |
0.461 |
|
| 1993 |
Hyland DC, Junkins JL, Longman RW. Active control technology for large space structures Journal of Guidance, Control, and Dynamics. 16: 801-821. DOI: 10.2514/3.21087 |
0.42 |
|
| 1993 |
Horta LG, Phan M, Juang J, Longman RW, Sulla JL. Frequency-weighted system identification and linear quadratic controller design Journal of Guidance Control and Dynamics. 16: 330-336. DOI: 10.2514/3.21007 |
0.464 |
|
| 1993 |
Juang J, Phan M, Horta LG, Longman RW. Identification of observer/Kalman filter Markov parameters: Theory and experiments Journal of Guidance Control and Dynamics. 16: 320-329. DOI: 10.2514/3.21006 |
0.398 |
|
| 1993 |
Phan M, Horta LG, Juang JN, Longman RW. Linear system identification via an asymptotically stable observer Journal of Optimization Theory and Applications. 79: 59-86. DOI: 10.1007/Bf00941887 |
0.36 |
|
| 1991 |
Beigi HSM, Li CJ, Longman RW. Learning control based on generalized secant method and other numerical optimization methods American Society of Mechanical Engineers, Production Engineering Division (Publication) Ped. 55: 163-175. |
0.485 |
|
| 1989 |
Longman RW, Juang J. Recursive form of the eigensystem realization algorithm for system identification Journal of Guidance Control and Dynamics. 12: 647-652. DOI: 10.2514/3.20458 |
0.324 |
|
| 1989 |
Middleton RH, Goodwin GC, Longman RW. A Method for Improving the Dynamic Accuracy of a Robot Performing a Repetitive Task The International Journal of Robotics Research. 8: 67-74. DOI: 10.1177/027836498900800506 |
0.307 |
|
| 1988 |
Sevaston GE, Longman RW. Systematic design of robust control systems using small gain stability concepts International Journal of Systems Science. 19: 439-451. DOI: 10.1080/00207728808967616 |
0.384 |
|
| 1987 |
Kabamba PT, Longman RW, Jian-Guo S. A homotopy approach to the feedback stabilization of linear systems Journal of Guidance, Control, and Dynamics. 10: 422-432. DOI: 10.2514/3.20236 |
0.629 |
|
| 1985 |
Olgac NM, Anthony Cooper C, Longman RW. The impact of costly observations and observation delay in stochastic optimal control problems† International Journal of Control. 41: 769-785. DOI: 10.1080/0020718508961162 |
0.604 |
|
| 1985 |
Özgören MK, Longman RW. Automated derivation of optimal regulators for nonlinear systems by symbolic manipulation of Poisson series Journal of Optimization Theory and Applications. 45: 443-476. DOI: 10.1007/Bf00938446 |
0.374 |
|
| 1984 |
Viswanathan CN, Longman RW, Likins PW. A degree of controllability definition - Fundamental concepts and application to modal systems Journal of Guidance Control and Dynamics. 7: 222-230. DOI: 10.2514/3.8570 |
0.476 |
|
| 1984 |
Lindberg RE, Longman RW. ON THE NUMBER AND PLACEMENT OF ACTUATORS FOR INDEPENDENT MODAL SPACE CONTROL Journal of Guidance, Control, and Dynamics. 7: 215-221. DOI: 10.2514/3.56366 |
0.483 |
|
| 1984 |
Sevaston GE, Longman RW. GAIN MEASURES OF CONTROLLABILITY AND OBSERVABILITY Advances in the Astronautical Sciences. 54: 881-904. DOI: 10.1080/0020718508961169 |
0.384 |
|
| 1984 |
Viswanathan CN, Longman RW, Likins PW. DEGREE OF CONTROLLABILITY DEFINITION: FUNDAMENTAL CONCEPTS AND APPLICATION TO MODAL SYSTEMS Journal of Guidance, Control, and Dynamics. 7: 222-230. |
0.367 |
|
| 1983 |
Chew M, Freudenstein F, Longman RW. APPLICATION OF OPTIMAL CONTROL THEORY TO THE SYNTHESIS OF HIGH-SPEED CAM-FOLLOWER SYSTEMS. PART 1: OPTIMALITY CRITERION. Journal of Mechanisms, Transmissions, and Automation in Design. 105: 576-591. DOI: 10.1115/1.3267399 |
0.302 |
|
| 1983 |
Longman RW, Cooper CA. Optimal selection of observation times in the linear-quadratic Gaussian control problem Journal of Optimization Theory and Applications. 39: 47-58. DOI: 10.1007/Bf00934604 |
0.372 |
|
| 1983 |
Kabamba PT, Longman RW. INTEGRATED APPROACH TO REDUCED-ORDER CONTROL THEORY Optimal Control Applications and Methods. 4: 405-415. DOI: 10.1002/Oca.4660040412 |
0.645 |
|
| 1982 |
Li T, Longman RW. Stability relationships between gyrostats with free, constant-speed,and speed-controlled rotors Journal of Guidance Control and Dynamics. 5: 545-552. DOI: 10.2514/3.19787 |
0.399 |
|
| 1982 |
Olgac NM, Longman RW, Cooper CA. STOCHASTIC ARTIFICIAL AERATION CONTROL FOR REGIONAL DRAINAGE BASINS Journal of Dynamic Systems, Measurement and Control, Transactions of the Asme. 104: 337-342. DOI: 10.1115/1.3139719 |
0.582 |
|
| 1982 |
Kabamba PT, Longman RW. Exact Pole Assignment Using Direct or Dynamic Output Feedback Ieee Transactions On Automatic Control. 27: 1244-1246. DOI: 10.1109/Tac.1982.1103105 |
0.612 |
|
| 1982 |
Longman RW, Alfriend KT. ENERGY OPTIMAL DEGREE OF CONTROLLABILITY AND OBSERVABILITY FOR REGULATOR AND MANEUVER PROBLEMS . 633-638. |
0.328 |
|
| 1981 |
Longman RW, Alfriend KT. Actuator placement from degree of controllability criteria for regular slewing of flexible spacecraft Acta Astronautica. 8: 703-718. DOI: 10.1016/0094-5765(81)90012-6 |
0.451 |
|
| 1980 |
Olgac NM, Cooper CA, Longman RW. Alternative choices in measurement systems for artificial river aeration Water Resources Research. 16: 583-591. DOI: 10.1029/Wr016I003P00583 |
0.551 |
|
| 1979 |
Longman RW, Alfriend KT. Optimal Control of Large Angle Attitude Maneuvers for Flexible Spacecraft Ifac Proceedings Volumes. 12: 57-62. DOI: 10.1016/S1474-6670(17)65716-1 |
0.394 |
|
| 1978 |
Ozgoren MK, Longman RW, Cooper CA. Probabilistic inequality constraints in stochastic optimal control theory Journal of Mathematical Analysis and Applications. 66: 237-259. DOI: 10.1016/0022-247X(78)90281-0 |
0.369 |
|
| 1977 |
Oezgoeren MK, Cooper CA, Longman RW. OPTIMAL CONTROL OF A PARTIALLY TIME LAGGED RIVER AERATION SYSTEM SUBJECT TO RANDOM DISTURBANCES Journal of Dynamic Systems, Measurement and Control, Transactions of the Asme. 99: 193-200. DOI: 10.1115/1.3427102 |
0.326 |
|
| 1976 |
Olgac NM, Cooper CA, Longman RW. Time lagged stochastic control problems with observation cost Ieee Transactions On Automatic Control. 13: 375-380. DOI: 10.1109/Jacc.1976.4170240 |
0.595 |
|
| 1976 |
Longman RW, Fedor JV. Dynamics of flexible spinning satellites with radial wire antennas Acta Astronautica. 3: 17-37. DOI: 10.1016/0094-5765(76)90091-6 |
0.315 |
|
| 1975 |
Ozgoren MK, Longman RW, Cooper CA. OPTIMAL CONTROL OF A DISTRIBUTED PARAMETER, TIME-LAGGED RIVER AERATION SYSTEM Journal of Dynamic Systems, Measurement and Control, Transactions of the Asme. 97: 164-171. DOI: 10.1115/1.3426897 |
0.383 |
|
| 1972 |
Longman RW. Stability Analysis of All Possible Equilibria for Gyrostat Satellities under Gravitational Torques Aiaa Journal. 10: 800-806. DOI: 10.2514/3.50214 |
0.308 |
|
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