v1.10.5

ControlSystems v1.10.5

Diff since v1.10.4

Merged pull requests:

• use eps of correct type in balreal (#927) (@baggepinnen)
• Update minreal docstring (#935) (@franckgaga)
• add fix for step with plotx and MIMO systems (#936) (@baggepinnen)
• add functions returning the resolvent of a system (#939) (@baggepinnen)
• bump compat DiffEqCallbacks (#940) (@baggepinnen)

Closed issues:

• Revisiting old code: was there ever an LTISystem composed type in ControlSystems.jl? (#938)

v1.10.4

ControlSystems v1.10.4

Diff since v1.10.3

Merged pull requests:

• Add "asymptotic" keyword to kalman docstring (#929) (@franckgaga)
• add \ for ss and handle some cases of multiplication with improper tf (#930) (@baggepinnen)
• Update zoh.md (#933) (@baggepinnen)
• handle non-identity uniform scalings in covar (#934) (@baggepinnen)

Closed issues:

• Optimization-based tuning–PID controller with Delay (#931)
• An incorrect formula in the documentation (#932)

v1.10.3

ControlSystems v1.10.3

Diff since v1.10.2

Merged pull requests:

• more helpful error message in baltrunc (#926) (@baggepinnen)
• bump compat DiffEqCallbacks (#928) (@baggepinnen)

Closed issues:

• B matrix cannot contain too many zero elements for baltrunc (#925)

v1.10.2

ControlSystems v1.10.2

Diff since v1.10.1

Merged pull requests:

• Fix Bode plot with zero magnitude (#911) (@baggepinnen)
• try enable CI caches (#914) (@baggepinnen)
• handle rounding error in Nyquist freq for default freq vec (#915) (@baggepinnen)
• Update compat OrdinaryDiffEq (#923) (@baggepinnen)

Closed issues:

• Discrete bode default axis ranges (#438)
• Change input/output plot order of SimResult (#919)
• Step response (at a t0 instant) of a first order system with delay doesn't work correctly with lsim (but works fine with step but with t0=0) (#920)

v1.10.1

ControlSystems v1.10.1

Diff since v1.10.0

Merged pull requests:

• try make codecov look at results from all test groups (#907) (@baggepinnen)
• fix #909 (#910) (@baggepinnen)

Closed issues:

• d2c_exact should work with gains (i.e. state space systems without states) (#909)

v1.10.0

ControlSystems v1.10.0

Diff since v1.9.0

Merged pull requests:

• add Thiran approximation of fractional-delay systems (#905) (@baggepinnen)
• handle proper quotient of proper statespace systems (#906) (@baggepinnen)

v1.10.0

ControlSystems v1.10.0

Diff since v1.9.0

Merged pull requests:

• add Thiran approximation of fractional-delay systems (#905) (@baggepinnen)
• handle proper quotient of proper statespace systems (#906) (@baggepinnen)

v1.9.0

ControlSystems v1.9.0

Diff since v1.8.2

Merged pull requests:

• more coverage (#893) (@baggepinnen)
• bump compat poly v4 (#899) (@baggepinnen)
• Convert pid parameters to :parallel (#900) (@mzaffalon)
• Add exact frequency-domain translation of discrete systems to continuous time (#902) (@baggepinnen)
• add tutorial analyzing hybrid systems (#903) (@baggepinnen)

Closed issues:

• Gamma contour in Nyquist plot (#796)
• pid with zero proportional gain (#897)
• ControlSystemsBase blocking Polynomials.jl v4 (#898)

v1.8.2

ControlSystems v1.8.2

Diff since v1.8.1

Merged pull requests:

• try activating coverage for subpackage (#763) (@baggepinnen)
• add section on dealing with model uncertainty in tutorial (#884) (@baggepinnen)
• Upper-bound length of default time vector (#887) (@baggepinnen)
• depend on StaticArraysCore instead of StaticArrays (#888) (@baggepinnen)
• add more emphasis on model uncertainty in tutorial (#889) (@baggepinnen)
• Fix append for delay system (#892) (@baggepinnen)
• remove duplicated file (#894) (@baggepinnen)
• better error message in lsim (#895) (@baggepinnen)
• add method to DSP.filt and filtfilt (#896) (@baggepinnen)

Closed issues:

• bodeplot does not work well with plotlyjs backend (#875)
• append on DelayLtiSystem does not works (#879)
• OutOfMemoryError on step without time step size (#880)
• named transfer functions (#885)
• minreal returns system of order 21 instead of order 5. (#890)
• add tolerance to tzeros (#891)

v1.8.1

ControlSystems v1.8.1

Diff since v1.8.0

Merged pull requests:

• remove automatic field propagation from balance_statespace (#863) (@baggepinnen)
• truncate T in baltrunc (#864) (@baggepinnen)
• add functions to check controllability/observability using the PHB test (#866) (@baggepinnen)
• fix rendering of some equations systems (#868) (@baggepinnen)
• use correct gain type in zpk with length 0 numerator (#870) (@baggepinnen)
• fix transfer function colon indexing (#872) (@baggepinnen)
• fix unwrapping option in bodeplot (#874) (@baggepinnen)
• safe dtmax in continuous lsim (#876) (@baggepinnen)
• fix DelaySS conversion with special number type (#878) (@baggepinnen)
• Incorporate changes from #344 (#881) (@KronosTheLate)
• add tutorial on controller tuning from experimental data (#883) (@baggepinnen)

Closed issues:

• SisoZpk and SisoRational constructors called multiple times from zpk and tf (#387)
• Rendering of state space equations in documentation (#867)
• no method matching zpk for step (#869)
• Using : for indexing does not works on TransferFunction (#871)
• c2d not working with method input (#873)
• change to ControlSystems dosent work for import pkg (#877)