CACSD (Computer Aided Control Systems Design)

• abcd state-space matrices
• abinv AB invariant subspace
• arhnk Hankel norm approximant
• arl2 SISO model realization by L2 transfer approximation
• arma Scilab arma library
• arma2p extract polynomial matrices from ar representation
• arma2ss transform an armax data structure into state space representation.
• armac Scilab description of an armax process
• armax armax identification
• armax1 armax identification
• arsimul armax simulation
• augment augmented plant
• balreal balanced realization
• bilin general bilinear transform
• black Black-Nichols diagram of a linear dynamical system
• bode Bode plot
• bstap hankel approximant
• cainv Dual of abinv
• calfrq frequency response discretization
• canon canonical controllable form
• ccontrg Central H-infinity continuous time controller
• chart Nichols chart
• cls2dls bilinear transform
• colinout inner-outer factorization
• colregul removing poles and zeros at infinity
• cont_frm transfer to controllable state-space
• cont_mat controllability matrix
• contr controllability, controllable subspace, staircase
• contrss controllable part
• copfac right coprime factorization of continuous time dynamical systems
• csim simulation (time response) of linear system
• ctr_gram controllability gramian
• damp Natural frequencies and damping factors.
• dbphi frequency response to phase and magnitude representation
• dcf double coprime factorization
• ddp disturbance decoupling
• des2ss descriptor to state-space
• des2tf descriptor to transfer function conversion
• dhinf H_infinity design of discrete-time systems
• dhnorm discrete H-infinity norm
• dscr discretization of linear system
• dsimul state space discrete time simulation
• dt_ility detectability test
• dtsi Continuous time dynamical systems stable anti-stable decomposition
• equil balancing of pair of symmetric matrices
• equil1 balancing (nonnegative) pair of matrices
• evans Evans root locus
• feedback feedback operation
• findABCD discrete-time system subspace identification
• findAC discrete-time system subspace identification
• findBD initial state and system matrices B and D of a discrete- time system
• findBDK Kalman gain and B D system matrices of a discrete-time system
• findR Preprocessor for estimating the matrices of a linear time- invariant dynamical system
• findx0BD Estimates state and B and D matrices of a discrete-time linear system
• flts time response (discrete time, sampled system)
• fourplan augmented plant to four plants
• frep2tf transfer function realization from frequency response
• freq frequency response
• freson peak frequencies
• fspecg stable factorization of continuous time dynamical systems
• fstabst Youla’s parametrization of continuous time linear dynmaical systems
• g_margin gain margin and associated crossover frequency
• gainplot magnitude plot
• gamitg H-infinity gamma iterations for continuous time systems
• gcare Continuous time control Riccati equation
• gfare Continuous time filter Riccati equation
• gfrancis Francis equations for tracking
• gtild tilde operation
• h2norm H2 norm of a continuous time proper dynamical system
• h_cl closed loop matrix
• h_inf Continuous time H-infinity (central) controller
• h_inf_st static H_infinity problem
• h_norm H-infinity norm
• hallchart Draws the Hall chart
• hankelsv Hankel singular values
• hinf H_infinity design of continuous-time systems
• imrep2ss state-space realization of an impulse response
• inistate Estimates the initial state of a discrete-time system
• invsyslin system inversion
• kpure continuous SISO system limit feedback gain
• krac2 continuous SISO system limit feedback gain
• lcf Continuous time dynamical systems normalized coprime factorization
• leqr H-infinity LQ gain (full state)
• lft linear fractional transformation
• lin linearization
• linf infinity norm
• linfn infinity norm
• linmeq Sylvester and Lyapunov equations solver
• lqe linear quadratic estimator (Kalman Filter)
• lqg LQG compensator
• lqg2stan LQG to standard problem
• lqg_ltr LQG with loop transform recovery
• lqr LQ compensator (full state)
• ltitr discrete time response (state space)
• m_circle plots the complex plane iso-gain contours of y/(1+y) (obsolete)
• macglov Continuous time dynamical systems Mac Farlane Glover problem
• markp2ss Markov parameters to state-space
• minreal minimal balanced realization
• minss minimal realization
• mucomp mu (structured singular value) calculation
• narsimul armax simulation ( using rtitr)
• nehari Nehari approximant of continuous time dynamical systems
• nicholschart Nichols chart
• noisegen noise generation
• nyquist nyquist plot
• nyquistfrequencybounds Computes the frequencies for which the nyquist locus enters and leaves a given rectangle.
• obs_gram observability gramian
• obscont observer based controller
• observer observer design
• obsv_mat observability matrix
• obsvss observable part
• p_margin phase margin and associated crossover frequency
• parrot Parrot’s problem
• pfss partial fraction decomposition
• phasemag phase and magnitude computation
• phaseplot frequency phase plot
• ppol pole placement
• prbs_a pseudo random binary sequences generation
• projsl linear system projection
• reglin Linear regression
• repfreq frequency response
• ric_desc Riccati equation
• ricc Riccati equation
• riccati Riccati equation
• routh_t Routh’s table
• rowinout inner-outer factorization
• rowregul removing poles and zeros at infinity
• rtitr discrete time response (transfer matrix)
• sensi sensitivity functions
• sgrid s-plane grid lines.
• show_margins display gain and phase margin and associated crossover frequencies
• sident discrete-time state-space realization and Kalman gain
• sm2des system matrix to descriptor
• sm2ss system matrix to state-space
• sorder computing the order of a discrete-time system
• specfact spectral factor
• ss2des (polynomial) state-space to descriptor form
• ss2ss state-space to state-space conversion, feedback, injection
• ss2tf conversion from state-space to transfer function
• st_ility stabilizability test
• stabil stabilization
• svplot singular-value sigma-plot
• sysfact system factorization
• syssize size of state-space system
• tf2des transfer function to descriptor
• tf2ss transfer to state-space
• time_id SISO least square identification
• trzeros transmission zeros and normal rank
• ui_observer unknown input observer
• unobs unobservable subspace
• zeropen zero pencil
• zgrid zgrid plot