Selected citations from 1994 to mid 2000 for: Nonlinear regulation: The piecewise linear approach,'' IEEE Trans. Autom. Control 26(1981): 346-358. Litsyn E, Nepomnyashchikh YV, Ponosov A Stabilization of linear differential systems via hybrid feedback controls SIAM J CONTROL OPTIM 38: (5) 1468-1480 MAY 26 2000 Grune L Homogeneous state feedback stabilization of homogenous systems SIAM J CONTROL OPTIM 38: (4) 1288-1308 MAY 24 2000 Blondel VD, Tsitsiklis JN Overview of complexity and decidability results for three classes of elementary nonlinear systems LECT NOTES CONTR INF 241: 46-58 1999 Romanchuk BG, Smith MC Incremental gain analysis of piecewise linear systems and application to the antiwindup problem AUTOMATICA 35: (7) 1275-1283 JUL 1999 Julian P, Guivant J, Desages A A parametrization of piecewise linear Lyapunov functions via linear programming INT J CONTROL 72: (7-8) 702-715 MAY 10 1999 Blondel VD, Tsitsiklis JN Complexity of stability and controllability of elementary hybrid systems AUTOMATICA 35: (3) 479-489 MAR 1999 Wellstead PE, Pettit NBOL Analysis and redesign of an antilock brake system controller IEE P-CONTR THEOR AP 144: (5) 413-426 SEP 1997 Grune L Asymptotic controllability and exponential stabilization of nonlinear control systems at singular points SIAM J CONTROL OPTIM 36: (5) 1585-1603 SEP 1998 van den Hof JM Positive linear observers for linear compartmental systems SIAM J CONTROL OPTIM 36: (2) 590-608 MAR 1998 Clarke FH, Ledyaev YS, Sontag ED, et al. Asymptotic controllability implies feedback stabilization IEEE T AUTOMAT CONTR 42: (10) 1394-1407 OCT 1997 Shevitz D, Paden B Computational issues in a nonlinear observer for systems with quantized outputs J DYN SYST-T ASME 119: (3) 528-535 SEP 1997 Romanchuk BG Computing regions of attraction with polytopes: Planar case AUTOMATICA 32: (12) 1727-1732 DEC 1996 Zeng XJ, Singh MG Decomposition property of fuzzy systems and its applications IEEE T FUZZY SYST 4: (2) 149-165 MAY 1996 Sjoberg J, Zhang QH, Ljung L, et al. Nonlinear black-box modeling in system identification: A unified overview AUTOMATICA 31: (12) 1691-1724 DEC 1995 Bestaoui Y, Benmerzouk D A stability and sensitivity analysis of the robotic computed torque technique using a regular perturbation approach INT J ROBOT AUTOM 10: (4) 171-177 1995 PETTIT NBOL, WELLSTEAD PE ANALYZING PIECEWISE-LINEAR DYNAMICAL-SYSTEMS IEEE CONTR SYST MAG 15: (5) 43-50 OCT 1995 FLORCHINGER P LYAPUNOV-LIKE TECHNIQUES FOR STOCHASTIC STABILITY SIAM J CONTROL OPTIM 33: (4) 1151-1169 JUL 1995 PETTIT N, WELLSTEAD PE AN ANALYSIS METHOD FOR PIECEWISE-LINEAR DYNAMICAL-SYSTEMS T I MEAS CONTROL 16: (1) 9-16 1994 KREISSELMEIER G, BIRKHOLZER T NUMERICAL NONLINEAR REGULATOR DESIGN IEEE T AUTOMAT CONTR 39: (1) 33-46 JAN 1994