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[modules/adao.git] / src / daComposant / daAlgorithms / UnscentedKalmanFilter.py
index f117b898849ae7a1a3f018f16f3816c337fcaa7d..43c873069d4a1c1c165af2932bee03a23a11f993 100644 (file)
@@ -1,6 +1,6 @@
-#-*-coding:iso-8859-1-*-
+# -*- coding: utf-8 -*-
 #
-# Copyright (C) 2008-2016 EDF R&D
+# Copyright (C) 2008-2019 EDF R&D
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
@@ -75,32 +75,39 @@ class ElementaryAlgorithm(BasicObjects.Algorithm):
             name     = "StoreInternalVariables",
             default  = False,
             typecast = bool,
-            message  = "Stockage des variables internes ou intermédiaires du calcul",
+            message  = "Stockage des variables internes ou intermédiaires du calcul",
             )
         self.defineRequiredParameter(
             name     = "StoreSupplementaryCalculations",
             default  = [],
             typecast = tuple,
-            message  = "Liste de calculs supplémentaires à stocker et/ou effectuer",
-            listval  = ["APosterioriCorrelations", "APosterioriCovariance", "APosterioriStandardDeviations", "APosterioriVariances", "BMA", "CurrentState", "CostFunctionJ", "Innovation"]
+            message  = "Liste de calculs supplémentaires à stocker et/ou effectuer",
+            listval  = [
+                "Analysis",
+                "APosterioriCorrelations",
+                "APosterioriCovariance",
+                "APosterioriStandardDeviations",
+                "APosterioriVariances",
+                "BMA",
+                "CostFunctionJ",
+                "CostFunctionJb",
+                "CostFunctionJo",
+                "CurrentState",
+                "InnovationAtCurrentState",
+                ]
             )
         self.defineRequiredParameter( # Pas de type
             name     = "Bounds",
             message  = "Liste des valeurs de bornes",
             )
+        self.requireInputArguments(
+            mandatory= ("Xb", "Y", "HO", "R", "B" ),
+            optional = ("U", "EM", "CM", "Q"),
+            )
 
     def run(self, Xb=None, Y=None, U=None, HO=None, EM=None, CM=None, R=None, B=None, Q=None, Parameters=None):
-        self._pre_run()
-        #
-        # Paramètres de pilotage
-        # ----------------------
-        self.setParameters(Parameters)
+        self._pre_run(Parameters, Xb, Y, R, B, Q)
         #
-        if self._parameters.has_key("Bounds") and (type(self._parameters["Bounds"]) is type([]) or type(self._parameters["Bounds"]) is type(())) and (len(self._parameters["Bounds"]) > 0):
-            Bounds = self._parameters["Bounds"]
-            logging.debug("%s Prise en compte des bornes effectuee"%(self._name,))
-        else:
-            Bounds = None
         if self._parameters["EstimationOf"] == "Parameters":
             self._parameters["StoreInternalVariables"] = True
         #
@@ -127,19 +134,14 @@ class ElementaryAlgorithm(BasicObjects.Algorithm):
         Wc = numpy.array( Ww )
         Wc[0] = Lambda / (L + Lambda) + (1. - Alpha**2 + Beta)
         #
-        # Opérateurs
+        # Opérateurs
         # ----------
-        if B is None:
-            raise ValueError("Background error covariance matrix has to be properly defined!")
-        if R is None:
-            raise ValueError("Observation error covariance matrix has to be properly defined!")
-        #
-        H = HO["Direct"].appliedControledFormTo
+        Hm = HO["Direct"].appliedControledFormTo
         #
         if self._parameters["EstimationOf"] == "State":
-            M = EM["Direct"].appliedControledFormTo
+            Mm = EM["Direct"].appliedControledFormTo
         #
-        if CM is not None and CM.has_key("Tangent") and U is not None:
+        if CM is not None and "Tangent" in CM and U is not None:
             Cm = CM["Tangent"].asMatrix(Xb)
         else:
             Cm = None
@@ -151,25 +153,26 @@ class ElementaryAlgorithm(BasicObjects.Algorithm):
         else:
             duration = 2
         #
-        # Précalcul des inversions de B et R
+        # Précalcul des inversions de B et R
         # ----------------------------------
-        if self._parameters["StoreInternalVariables"]:
+        if self._parameters["StoreInternalVariables"] \
+            or self._toStore("CostFunctionJ") \
+            or self._toStore("CostFunctionJb") \
+            or self._toStore("CostFunctionJo"):
             BI = B.getI()
             RI = R.getI()
         #
         # Initialisation
         # --------------
         Xn = Xb
-        if hasattr(B,"asfullmatrix"):
-            Pn = B.asfullmatrix(Xn.size)
-        else:
-            Pn = B
+        if hasattr(B,"asfullmatrix"): Pn = B.asfullmatrix(Xn.size)
+        else:                         Pn = B
         #
         self.StoredVariables["Analysis"].store( Xn.A1 )
-        if "APosterioriCovariance" in self._parameters["StoreSupplementaryCalculations"]:
+        if self._toStore("APosterioriCovariance"):
             self.StoredVariables["APosterioriCovariance"].store( Pn )
             covarianceXa = Pn
-        Xa               = Xn
+        Xa = XaMin       = Xb
         previousJMinimum = numpy.finfo(float).max
         #
         for step in range(duration-1):
@@ -192,21 +195,21 @@ class ElementaryAlgorithm(BasicObjects.Algorithm):
             Xnp = numpy.hstack([Xn, Xn+Gamma*Pndemi, Xn-Gamma*Pndemi])
             nbSpts = 2*Xn.size+1
             #
-            if Bounds is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
+            if self._parameters["Bounds"] is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
                 for point in range(nbSpts):
-                    Xnp[:,point] = numpy.max(numpy.hstack((Xnp[:,point],numpy.asmatrix(Bounds)[:,0])),axis=1)
-                    Xnp[:,point] = numpy.min(numpy.hstack((Xnp[:,point],numpy.asmatrix(Bounds)[:,1])),axis=1)
+                    Xnp[:,point] = numpy.max(numpy.hstack((Xnp[:,point],numpy.asmatrix(self._parameters["Bounds"])[:,0])),axis=1)
+                    Xnp[:,point] = numpy.min(numpy.hstack((Xnp[:,point],numpy.asmatrix(self._parameters["Bounds"])[:,1])),axis=1)
             #
             XEtnnp = []
             for point in range(nbSpts):
                 if self._parameters["EstimationOf"] == "State":
-                    XEtnnpi = numpy.asmatrix(numpy.ravel( M( (Xnp[:,point], Un) ) )).T
+                    XEtnnpi = numpy.asmatrix(numpy.ravel( Mm( (Xnp[:,point], Un) ) )).T
                     if Cm is not None and Un is not None: # Attention : si Cm est aussi dans M, doublon !
                         Cm = Cm.reshape(Xn.size,Un.size) # ADAO & check shape
                         XEtnnpi = XEtnnpi + Cm * Un
-                    if Bounds is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
-                        XEtnnpi = numpy.max(numpy.hstack((XEtnnpi,numpy.asmatrix(Bounds)[:,0])),axis=1)
-                        XEtnnpi = numpy.min(numpy.hstack((XEtnnpi,numpy.asmatrix(Bounds)[:,1])),axis=1)
+                    if self._parameters["Bounds"] is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
+                        XEtnnpi = numpy.max(numpy.hstack((XEtnnpi,numpy.asmatrix(self._parameters["Bounds"])[:,0])),axis=1)
+                        XEtnnpi = numpy.min(numpy.hstack((XEtnnpi,numpy.asmatrix(self._parameters["Bounds"])[:,1])),axis=1)
                 elif self._parameters["EstimationOf"] == "Parameters":
                     # --- > Par principe, M = Id, Q = 0
                     XEtnnpi = Xnp[:,point]
@@ -215,33 +218,33 @@ class ElementaryAlgorithm(BasicObjects.Algorithm):
             #
             Xncm = numpy.matrix( XEtnnp.getA()*numpy.array(Wm) ).sum(axis=1)
             #
-            if Bounds is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
-                Xncm = numpy.max(numpy.hstack((Xncm,numpy.asmatrix(Bounds)[:,0])),axis=1)
-                Xncm = numpy.min(numpy.hstack((Xncm,numpy.asmatrix(Bounds)[:,1])),axis=1)
+            if self._parameters["Bounds"] is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
+                Xncm = numpy.max(numpy.hstack((Xncm,numpy.asmatrix(self._parameters["Bounds"])[:,0])),axis=1)
+                Xncm = numpy.min(numpy.hstack((Xncm,numpy.asmatrix(self._parameters["Bounds"])[:,1])),axis=1)
             #
             if self._parameters["EstimationOf"] == "State":        Pnm = Q
             elif self._parameters["EstimationOf"] == "Parameters": Pnm = 0.
             for point in range(nbSpts):
                 Pnm += Wc[i] * (XEtnnp[:,point]-Xncm) * (XEtnnp[:,point]-Xncm).T
             #
-            if self._parameters["EstimationOf"] == "Parameters" and Bounds is not None:
+            if self._parameters["EstimationOf"] == "Parameters" and self._parameters["Bounds"] is not None:
                 Pnmdemi = self._parameters["Reconditioner"] * numpy.linalg.cholesky(Pnm)
             else:
                 Pnmdemi = numpy.linalg.cholesky(Pnm)
             #
             Xnnp = numpy.hstack([Xncm, Xncm+Gamma*Pnmdemi, Xncm-Gamma*Pnmdemi])
             #
-            if Bounds is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
+            if self._parameters["Bounds"] is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
                 for point in range(nbSpts):
-                    Xnnp[:,point] = numpy.max(numpy.hstack((Xnnp[:,point],numpy.asmatrix(Bounds)[:,0])),axis=1)
-                    Xnnp[:,point] = numpy.min(numpy.hstack((Xnnp[:,point],numpy.asmatrix(Bounds)[:,1])),axis=1)
+                    Xnnp[:,point] = numpy.max(numpy.hstack((Xnnp[:,point],numpy.asmatrix(self._parameters["Bounds"])[:,0])),axis=1)
+                    Xnnp[:,point] = numpy.min(numpy.hstack((Xnnp[:,point],numpy.asmatrix(self._parameters["Bounds"])[:,1])),axis=1)
             #
             Ynnp = []
             for point in range(nbSpts):
                 if self._parameters["EstimationOf"] == "State":
-                    Ynnpi = numpy.asmatrix(numpy.ravel( H( (Xnnp[:,point], None) ) )).T
+                    Ynnpi = numpy.asmatrix(numpy.ravel( Hm( (Xnnp[:,point], None) ) )).T
                 elif self._parameters["EstimationOf"] == "Parameters":
-                    Ynnpi = numpy.asmatrix(numpy.ravel( H( (Xnnp[:,point], Un) ) )).T
+                    Ynnpi = numpy.asmatrix(numpy.ravel( Hm( (Xnnp[:,point], Un) ) )).T
                 Ynnp.append( Ynnpi )
             Ynnp = numpy.hstack( Ynnp )
             #
@@ -262,46 +265,50 @@ class ElementaryAlgorithm(BasicObjects.Algorithm):
             Xn = Xncm + Kn * d
             Pn = Pnm - Kn * Pyyn * Kn.T
             #
-            if Bounds is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
-                Xn = numpy.max(numpy.hstack((Xn,numpy.asmatrix(Bounds)[:,0])),axis=1)
-                Xn = numpy.min(numpy.hstack((Xn,numpy.asmatrix(Bounds)[:,1])),axis=1)
+            if self._parameters["Bounds"] is not None and self._parameters["ConstrainedBy"] == "EstimateProjection":
+                Xn = numpy.max(numpy.hstack((Xn,numpy.asmatrix(self._parameters["Bounds"])[:,0])),axis=1)
+                Xn = numpy.min(numpy.hstack((Xn,numpy.asmatrix(self._parameters["Bounds"])[:,1])),axis=1)
+            Xa = Xn # Pointeurs
             #
-            self.StoredVariables["Analysis"].store( Xn.A1 )
-            if "APosterioriCovariance" in self._parameters["StoreSupplementaryCalculations"]:
+            # ---> avec analysis
+            self.StoredVariables["Analysis"].store( Xa )
+            if self._toStore("APosterioriCovariance"):
                 self.StoredVariables["APosterioriCovariance"].store( Pn )
-            if "Innovation" in self._parameters["StoreSupplementaryCalculations"]:
-                self.StoredVariables["Innovation"].store( numpy.ravel( d.A1 ) )
-            if self._parameters["StoreInternalVariables"]:
-                Jb  = 0.5 * (Xn - Xb).T * BI * (Xn - Xb)
-                Jo  = 0.5 * d.T * RI * d
-                J   = float( Jb ) + float( Jo )
-                if self._parameters["StoreInternalVariables"] or "CurrentState" in self._parameters["StoreSupplementaryCalculations"]:
-                    self.StoredVariables["CurrentState"].store( Xn )
+            # ---> avec current state
+            if self._toStore("InnovationAtCurrentState"):
+                self.StoredVariables["InnovationAtCurrentState"].store( d )
+            if self._parameters["StoreInternalVariables"] \
+                or self._toStore("CurrentState"):
+                self.StoredVariables["CurrentState"].store( Xn )
+            if self._parameters["StoreInternalVariables"] \
+                or self._toStore("CostFunctionJ") \
+                or self._toStore("CostFunctionJb") \
+                or self._toStore("CostFunctionJo"):
+                Jb  = float( 0.5 * (Xa - Xb).T * BI * (Xa - Xb) )
+                Jo  = float( 0.5 * d.T * RI * d )
+                J   = Jb + Jo
                 self.StoredVariables["CostFunctionJb"].store( Jb )
                 self.StoredVariables["CostFunctionJo"].store( Jo )
                 self.StoredVariables["CostFunctionJ" ].store( J )
-                if J < previousJMinimum:
-                    previousJMinimum  = J
-                    Xa                = Xn
-                    if "APosterioriCovariance" in self._parameters["StoreSupplementaryCalculations"]:
-                        covarianceXa  = Pn
-            else:
-                Xa = Xn
-            #
+            if self._parameters["EstimationOf"] == "Parameters" \
+                and J < previousJMinimum:
+                previousJMinimum    = J
+                XaMin               = Xa
+                if self._toStore("APosterioriCovariance"):
+                    covarianceXaMin = Pn
         #
-        # Stockage supplementaire de l'optimum en estimation de parametres
-        # ----------------------------------------------------------------
+        # Stockage final supplémentaire de l'optimum en estimation de paramètres
+        # ----------------------------------------------------------------------
         if self._parameters["EstimationOf"] == "Parameters":
-            self.StoredVariables["Analysis"].store( Xa.A1 )
-            if "APosterioriCovariance" in self._parameters["StoreSupplementaryCalculations"]:
-                self.StoredVariables["APosterioriCovariance"].store( covarianceXa )
-        #
-        if "BMA" in self._parameters["StoreSupplementaryCalculations"]:
-            self.StoredVariables["BMA"].store( numpy.ravel(Xb) - numpy.ravel(Xa) )
+            self.StoredVariables["Analysis"].store( XaMin )
+            if self._toStore("APosterioriCovariance"):
+                self.StoredVariables["APosterioriCovariance"].store( covarianceXaMin )
+            if self._toStore("BMA"):
+                self.StoredVariables["BMA"].store( numpy.ravel(Xb) - numpy.ravel(XaMin) )
         #
         self._post_run(HO)
         return 0
 
 # ==============================================================================
 if __name__ == "__main__":
-    print '\n AUTODIAGNOSTIC \n'
+    print('\n AUTODIAGNOSTIC\n')