Machine d'etat

bonjour
alors je debute et je test pour un futur projet le fonctionnement des machines d'etat.
alors dans mon vi en piece jointe j'ai créer 2 boucle pour essayer de comprendre mon probleme lorsque je connecte mon enum sur la
connecteur de la boucle condition, aucun souci toute fonctionne
correctement au niveau de la structure condition
Mais lorsque dans la boucle je rajoute une condition pour changer d'etat
en utilisant des registre à decalage eh bien ca ne fonctionne plus des
point rouge apparaissent sur mes registres et ma structure condition n'affiche plus mes etats
je ne comprend pas pourquoi?
Pièces jointes :
Sans titre 1.vi ‏10 KB

Bonjour,
Oui c'est normale dans la mesure ou l'enum que vous utilisez dans la boucle est different de l'enum qui initialise la machine
Ce qu'il est recommandé : definissez un enum en typ def par exemple le premier a gauche
clicker droit dessus et changer le en commande , re trouvez le sur la face avant , puis:
clicker droit dessus ->avancer ->personnaliser -> une fois la fenetre ouverte changer dans la barre de menu le type commande en def de type
puis fichier enregistrer la commande est sauvegardé la dans votre repertoire d'application , fermer la fenetre ,
au moment de quitter choisir oui pour remplacer la commande par cette nouvelle definition.
Vous venez de definir une liste d'etat dont les modifications seront repercupeter sur toutes ses instances , donc plus besoin de modififier chaque constante et plus de points rouges.
dans le diagramme re passer cette commande en constante ,
supprimer les enum qui ne sont pas de copies de la typ def
A partir de maintenant n'utiliser que des
copies de cettecommande pour definir les etats
quand vous voudrez ajouter un etat il suffira de cliker droit -> ouvrir la def de type et de modifier la liste
Par contre pourriez vous expliquer le role de la deuxieme boucle, vous souhaitez realiser deux machines d'etats concurentes ?
Cdt
Tinnitus
CLAD / Labview 2011, Win Xp
Mission d'une semaine- à plusieurs mois laissez moi un MP...
RP et Midi-pyrénées .Km+++ si possibilité de télétravail
Kudos always accepted / Les petits clicks jaunes sont toujours appréciés
Don't forget to valid a good answer / pensez à valider une réponse correcte

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Communication entres plus de 7 vi et sous vi

Bonjour,
je suis etudiant en stage et la j'ai un programme qui comporte plus de 7 vi et sous vi.
Et je voudrais bien faire communiquer c'est differents vis entre eux sans utiliser
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qq pourait - il m'aider svp merci.
cordialement

Je vais essayer d'expliquer le fonctinnement d'une Machine d'Etat a travers quelques exemples en images. Ca sera quelque chose de tres simple.
En realite', la premiere partie consiste a faire un schema d'une machine d'etat. Le schema demontre les transitions entre les etats. En autres mots, ce qui decide quel est le prochain etat.
L'exemple consiste de faire un calcule. Selon le resultat, une autre etat est choisi. Si le resultata est de 10 ou moin, on pose une question a l'operateur. Un resultat de 25 termine le programme automatiquement.
Voir ci-dessous:
Message Edited by JoeLabView on 07-01-2008 08:25 AM
Attachments:
StateMachine0.PNG ‏25 KB
StateMachine1.PNG ‏25 KB

RESET et continuité de CI integrateur boucle simulation

Bonjour,
Dans une boucle de simulation, je souhaite pouvoir changer les systèmes différentiels intégrés en conservant la valeur de l'état au moment ou je change d'équations différentielles.(Pour être plus clair, mon cas d'étude est une bille sur un plan incliné, dès que la bille dépasse le bord du plan elle rentre en chute libre. Les conditions initiales de cette chute libre (eq diff2) correspondent à la valeur de l'état au moment ou elle quitte la plan incliné (eq diff1)). Je ne parviens pas à charger les conditions de l'eq diff2 par l'état de la bille issue de l'eq diff1.
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ML
Pièces jointes :
Résolu !
Accéder à la solution.
Pièces jointes :
Capture d’écran 2010-11-19 à 10.49.04.png ‏31 KB

bonjour,
si vous voulez n'utiliser qu'une seule boucle il faut utiliser le pricipe de machine d'etats
mais pour faire simple vous pouvez aussi
proceder avec deux boucles 1 pour eq 1 une pour eq2
il faut ensuite definir la condition de passage de l'une a l'autre
ci joint un exemple pour le principe
@+
Tinnitus
CLAD / Labview 2011, Win Xp
Mission d'une semaine- à plusieurs mois laissez moi un MP...
RP et Midi-pyrénées .Km+++ si possibilité de télétravail
Kudos always accepted / Les petits clicks jaunes sont toujours appréciés
Don't forget to valid a good answer / pensez à valider une réponse correcte
Pièces jointes :
eq d.vi ‏15 KB

Incrémenter à chaque run

Bonjour.
Est-il possible d'incrémenter une variable à chaque éxécution ? C'est à dire que Labview garderait en mémoire la valeur n et qu'à l'éxécution suivante, il me ressorte la valeur n+1
Nicolas

Oui.
Tu peux utiliser un "Action Engine" ou mieux reconnus sous le terme de "Functional Global Variable".
Le concepte est simple. Tu as une boucle avec un "shift register" qui est non-initiale'. Chaque fois que l'application l'appelle, il se souvient de la derniere valeur. Tu pourrais donc avoir au sein de ton logiciel (si tu utilises un "State Machine"), un etat qui s'occuppe de contenir la derniere valeur. Et tu peux l'incrementer chaque fois que tu appelles cet etat.
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Michael Conelly wrote:
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fzgy wrote:
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hi
check this not tested.
PROCEDURE OPEN_FILE (V_ID_DOC IN VARCHAR2)
IS
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Machine d'etat

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