参数化Modelica库以及使用模型作为参数的可能性

问题描述 投票:1回答:3

我尝试创建一个参数化库。使用包和连接器作为参数,IT工作正常。

也可以使用模型作为参数。但是,如果在库中使用模型来使用extend构建新模型,那么我不理解它是什么。

我想知道库是否包含具有内部/外部连接器样式的模型,是否允许内部模型作为库的参数?

下面举一个简单的例子来说明问题。 TEST是库,Fish3b是一个应用程序。当我在库TEST中运行Example时,一切正常,但是当我有一个单独的应用程序文件时,它没有。

错误文本是:找不到运行JModelica 2.4的AquariumType的类声明

package TEST

   model FishType1
       outer Real T;
       Real health;
   equation
       health = 30-T;
   end FishType1;

   model FishType2
       outer Real T;
       Real health;
   equation
       health = 32-T;
   end FishType2;

   package Equipment
       model AquariumType
           replaceable model FishType
           end FishType;       
           FishType fish;
           inner Real T;
       equation
          T = 29;
       end AquariumType;
   end Equipment;

   // Adapt AquariumType model to actual fish
   model Aquarium
       import TEST.Equipment.AquariumType;
       extends AquariumType(redeclare model FishType=FishType2);
   end Aquarium;

   // Example
   model Example
       Aquarium aquarium;
   end Example;

end TEST;

下面是从上面的库导入的应用程序代码示例 - 我认为这是一些错误。

   encapsulated package Fish3b

       model FishType3
           outer Real T;
           Real health;
       equation
           health = 34-T;
       end FishType3;

       // Adapt package Equipment with AquariumType model to actual fish
       package Equipment3 
           import TEST.Equipment;
           extends Equipment.AquariumType(redeclare model   FishType=FishType3);
       end Equipment3;

       // Example
       model Example
           import Fish3b.Equipment3;
           Equipment3.AquariumType aquarium;
       end Example;

   end Fish3b;
modelica jmodelica
3个回答
2
投票

感谢“tbeu”的评论!

我修改了代码,以便不从模型扩展包装设备。下面更新的代码也更好地代表了我潜在的“真实”问题。一切正常。谢谢!

更新的库文件TEST2.mo:

   package TEST2

       model FishType1
           outer Real T;
           Real health;
       equation
           health = 30-T;
       end FishType1;

       model FishType2
           outer Real T;
           Real health;
       equation
           health = 32-T;
       end FishType2;

       package Equipment
           replaceable model FishType
           end FishType;

           constant Integer dummy = 1;

           model AquariumType
               FishType fish;
               inner Real T;
           equation
               T = 29;
           end AquariumType;
       end Equipment;

       // Adapt package Equipment to the actual fish
       package Equipment1
           import TEST2.Equipment;
           extends Equipment(redeclare model FishType=FishType1);
       end Equipment1;

       // Example
       model Example
           Equipment1.AquariumType aquarium;
       end Example;

    end TEST2;

现在使用上面的库TEST2的应用程序代码T2_Fish3:

   encapsulated package T2_Fish3

       model FishType3
           outer Real T;
           Real health;
       equation
           health = 34-T;
       end FishType3;

       // Adapt package Equipment to the actual fish
       package Equipment3
           import TEST2.Equipment;
           extends Equipment(redeclare model FishType=FishType3);
       end Equipment3;

       // Example
       model Example
           Equipment3.AquariumType aquarium;
       end Example;

   end T2_Fish3;

1
投票

janpeter的答案有效。

另一种避免引入名为“FishType1”,“FishType3”等模型的替代方法是使用“redeclare model extends”如下(对于Equipment1,Test2可以不变或相同更改),但它使用更高级的构造。

encapsulated package T2_Fish3

       // Adapt package Equipment to the actual fish
       package Equipment3
           import TEST2.Equipment;
           extends Equipment;

           redeclare model extends FishType
            outer Real T;
            Real health;
           equation 
             health = 32-T;
           end FishType;
       end Equipment3;

       // Example
       model Example
           Equipment3.AquariumType aquarium;
       end Example;

end T2_Fish3;

此外,可以将常见的“外部Real T”移动到基本型FishType,从而导致:

package TEST2

    package Equipment
        replaceable model FishType
          outer Real T;
        end FishType;

        constant Integer dummy = 1;

        model AquariumType
            FishType fish;
            inner Real T;
        equation 
            T = 29;
        end AquariumType;
    end Equipment;

    // Adapt package Equipment to the actual fish
    package Equipment1
      import TEST2.Equipment;

      extends Equipment;
      redeclare model extends FishType
        Real health;
      equation 
        health = 30 - T;
      end FishType;
    end Equipment1;

    // Example
    model Example
        Equipment1.AquariumType aquarium;
    end Example;

end TEST2;

encapsulated package T2_Fish3

       // Adapt package Equipment to the actual fish
       package Equipment3
           import TEST2.Equipment;
           extends Equipment;

           redeclare model extends FishType
            Real health;
           equation 
             health = 32-T;
           end FishType;
       end Equipment3;

       // Example
       model Example
           Equipment3.AquariumType aquarium;
       end Example;

end T2_Fish3;

0
投票

之前使用Hans Olsson的输入更新了代码,但与上面建议的更正略有不同。我设法避免“从可替换的模型扩展”,但我不太确定这是多么重要,请参阅我之前的评论。

此外,我想我想保持不同鱼类的清晰身份,并在包装​​设备外宣布它们。

    package TEST3

        partial model FishBase
            outer Real T;
        end FishBase;

        model FishType1
            extends FishBase;
            Real health;
        equation
            health = 30 - T;
        end FishType1;

        model FishType2
            extends FishBase;
            Real health;
        equation
            health = 32 - T;
        end FishType2;  

        package Equipment
            replaceable model FishType
            end FishType;

            constant Integer dummy = 1;

            model AquariumType
                FishType fish;
                inner Real T;
            equation
                T = 29;
            end AquariumType;
        end Equipment;

        // Adapt package Equipment to the actual fish
        package Equipment3
            import TEST3.Equipment;
            extends Equipment;
            redeclare model FishType=FishType2;
        end Equipment3;

        // Example
        model Example
            Equipment3.AquariumType aquarium;
        end Example;

    end TEST3;

以及应用程序代码的示例:

    encapsulated package T3_Fish3

        model FishType3
            import TEST3.FishBase;
            extends FishBase;
            Real health;
        equation
            health = 34-T;
        end FishType3;

        // Adapt package Equipment to the actual fish
        package Equipment3
            import TEST3.Equipment;
            extends Equipment(redeclare model FishType=FishType3);
        end Equipment3;

        // Example
        model Example
            Equipment3.AquariumType aquarium;
        end Example;

    end T3_Fish3;
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