T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....of high performance closed loop controllers. The dynamics of hydraulic systems are highly nonlinear [1] Hydraulic systems also have large extent of parametric uncertainties and uncertain nonlinearities. In the past, much of the work in the control of hydraulic systems uses linear control theory [2, 3, 4] and feedback linearization techniques [5, 6] In [7] Alleyne and Hedrick applied the nonlinear adaptive control to the force control of an active suspension driven by a double rod cylinder where only the parametric uncertainties of the cylinder are considered. In [8] Sohl and Bobrow use The ....

T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.

.... learning algorithm is given in (35) The design parameters of the adaptive robust repetitive controller are chosen as: l 1 # 200# k # 20# k e # 20# k a # 20# e # 1# G # 50# j max # 2# j min ##2# d max # 1# j d #0##0# (50) For comparison purpose, a discrete time repetitive controller [3] [16], 17] which was proposed to solve a set point regulation problem is also implemented: G r #q q #1 #1#96q #Q#q ##1 #Q#q #q (51) where q is the one step delay shift operator, N # 100, and the Q filter is chosen as Q#q ###q# 2 # q ##4. Both controllers are ....

T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.

.... learning algorithm is given in (35) The design parameters of the adaptive robust repetitive controller are chosen as: l 1 # 200# k # 20# k e # 20# k a # 20# e # 1# G # 50# j max # 2# j min ##2# d max # 1# j d #0##0# (50) For comparison purpose, a discrete time repetitive controller [3, 16, 17] which was proposed to solve a set point regulation problem is also implemented: G r #q q #1 #1#96q #Q#q ##1 #Q#q #q # (51) where q is the one step delay shift operator, N # 100, and the Q filter is chosen as Q#q ###q#2#q ##4. Both controllers are implemented using a ....

T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24-- 32, 1994.

....of high performance closed loop controllers. The dynamics of hydraulic systems are highly nonlinear [1] Hydraulic systems also have large extent of parametric uncertainties and uncertain nonlinearities. In the past, much of the work in the control of hydraulic systems uses linear control theory [2, 3, 4] and feedback linearization techniques [5, 6] In [7] Alleyne and Hedrick applied the nonlinear adaptive control to the force control of an active suspension driven by a double rod cylinder where only the parametric uncertainties of the cylinder are considered. In [8] Sohl and Bobrow use ....

T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.

....of high performance closed loop controllers. The dynamics of hydraulic systems are highly nonlinear [1] Hydraulic systems also have large extent of parametric uncertainties and uncertain nonlinearities. In the past, much of the work in the control of hydraulic systems uses linear control theory [2, 3, 4] and feedback linearization techniques [5, 6] In [7] Alleyne and Hedrick applied the nonlinear adaptive control to the force control of an active suspension driven by a double rod cylinder where only the parametric uncertainties of the cylinder are considered. In [8] Sohl and Bobrow use ....

T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.

....significance to see if one can improve the performance of cheaper PDC valves through using advanced nonlinear control algorithms to reduce cost while without sacrificing the achievable performance much. In the past, much of the work in the control of hydraulic systems uses linear control theory [1, 2, 3, 4] and feedback linearization techniques [5, 6] the valve dynamics is either ignored or considered in the linearized model. In [7, 8] the nonlinear control strategy is applied to the force control of hydraulic system and a better performance is achieved compared with linear controller. In [7] ....

T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.

....control techniques, which can deliver high performance in spite of both parametric uncertainties and uncertain nonlinearities, are essential for successful operations of high performance hydraulic systems. In the past, much of the work in the control of hydraulic systems uses linear control theory [3, 4, 5, 6] and feedback linearization techniques [7, 8] In [9] Alleyne and Hedrick applied the nonlinear adaptive control to the force control of an active suspension driven by a double rod cylinder. They demonstrated that nonlinear control schemes can achieve a much better performance than conventional ....

T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.

....of hydraulic dynamics, hydraulic servosystems also have large extent of model uncertainties include the large changes in load and hydraulic parameters, the external disturbances, leakages, and friction. In the past, much of the work in the control of hydraulic systems uses linear control theory [2, 3, 4] and feedback lin 1 The work is supported in part by the National Science Foundation under the CAREER grant CMS 9734345 and in part by a grant from the Purdue Research Foundation earization techniques [5, 6] In [7] Alleyne and Hedrick applied the nonlinear adaptive control to the force ....

T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.

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T. C. Tsao and M. Tomizuka, "Robust adaptive and repetitive digital control and application to hydraulic servo for noncircular machining," ASME J. Dynamic Systems, Measurement, and Control, vol. 116, pp. 24--32, 1994.

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