1999
DOI: 10.1109/9.769389
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An interactive parameter space method for robust performance in mixed sensitivity problems

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Cited by 21 publications
(12 citation statements)
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“…Application to the robust performance problem (4) and use of a more general three term controller along with the PID controller structure is reported in Saeki and Hirayama [33] and Saeki and Kimura [34] where a CAD system for automated computation has also been presented. Similar results have also been reported by Besson and Shenton [29,35] for a slightly more general, second-order controller structure. B .…”
Section: Design For Robust Performancesupporting
confidence: 86%
See 1 more Smart Citation
“…Application to the robust performance problem (4) and use of a more general three term controller along with the PID controller structure is reported in Saeki and Hirayama [33] and Saeki and Kimura [34] where a CAD system for automated computation has also been presented. Similar results have also been reported by Besson and Shenton [29,35] for a slightly more general, second-order controller structure. B .…”
Section: Design For Robust Performancesupporting
confidence: 86%
“…The m D SC 51:2, 1.0 and 0.98 regions are shown in Figure 7 for the plant with time delay [35] PðsÞ ¼ …”
Section: Ssv-optimal Design In Parameter Spacementioning
confidence: 99%
“…The second objective is to introduce a design method based on shaping the IMC controller Q(s) to obtain robust performance by minimizing the left-hand side of (4). This loop-shaping approach to achieving robust performance differs from the technique given in [6], which is based on condition (2) and involves shaping L( jω) using the coefficients of cascaded second-order transfer functions forming the controller K(s). Another related approach in [5] incorporates a lowpass filter in Q(s) and selects its cutoff frequency so that (4) is satisfied.…”
Section: (S)g(s))mentioning
confidence: 99%
“…The controller K(s) = 400/(10s + 1) 6 is designed such that the resulting loop gain |L( jω)| shown in Figure 4(a) satisfies the performance constraint at low frequency and the stability robustness constraint at high frequency. However, the rolloff of |L( jω)| at medium frequencies is not steep enough to satisfy the robustness constraint.…”
Section: Example: Loop-shaping Design For a First-order Plantmentioning
confidence: 99%
“…This enables a fair comparison to be made which will highlight any differences in robustness and performance. Controller design is carried out using a weighted sensitivity parameter space method [15,16]. The reasons for choosing this method are that it allows design for robust performance in an explicit and non-conservative manner for the unstructured, nonparametric uncertainties and pure time delays that are present in the idle speed control problem.…”
Section: Controller Designmentioning
confidence: 99%