Central plant optimization planning tool with advanced user interface

1. A system comprising one or more computer-readable storage media having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to:

provide a user interface comprising a workspace with selectable symbols representing multiple devices of building equipment;

evaluate a user input defining a connection between at least two of the selectable symbols on the workspace according to a set of rules to determine whether the connection is valid or invalid;

prevent the user from making the connection in response to determining that the connection is invalid;

generate a valid model of a system comprising the multiple devices of building equipment in response to determining that the connection is valid;

execute a model-based control process or simulation using the valid model to generate control decisions or design decisions for the multiple devices of building equipment; and

operate or design the multiple devices of building equipment in accordance with the control decisions or the design decisions.

2. The system of claim 1 , wherein the multiple devices of building equipment represented by the selectable symbols comprise at least two of a resource supplier, a subplant, an energy load, and a resource storage device.

3. The system of claim 1 , wherein:

the user input defines the connection between a first connection point of a first selectable symbol of the selectable symbols and a second connection point of a second selectable symbol of the selectable symbols; and

evaluating the user input according to the set of rules to determine whether the connection is valid or invalid comprises determining whether the first connection point and the second connection point are associated with different types of resources.

4. The system of claim 1 , wherein evaluating the user input according to the set of rules to determine whether the connection is valid or invalid comprises:

identifying a first type of resource provided as an output by a first device of the building equipment represented by a first selectable symbol of the selectable symbols connected by the connection;

identifying a second type of resource received as an input by a second device of the building equipment represented by a second selectable symbol of the selectable symbols connected by the connection; and

determining whether the first type of resource is different from the second type of resource.

5. The system of claim 1 , wherein the instructions cause the one or more processors to:

identify a type of resource transferred between the multiple devices of building equipment represented by the selectable symbols connected by the connection;

select a color for the connection based on the type of resource; and

present the connection as a colored object having the selected color.

6. The system of claim 1 , wherein the instructions cause the one or more processors to present the connection as an animated line that indicates transfer of a resource between a first device of the building equipment represented by a first selectable symbol of the selectable symbols connected by the connection and a second device of the building equipment represented by a second selectable symbol of the selectable symbols connected by the connection.

7. The system of claim 1 , wherein the set of rules indicate required connections between the selectable symbols and the instructions cause the one or more processors to:

determine whether all of the required connections between the selectable symbols have been defined; and

present an indication of missing connections between the selectable symbols via the user interface in response to determining that one or more of the required connections have not been defined.

8. The system of claim 1 , wherein at least one of the selectable symbols represents a subplant comprising multiple devices of the building equipment and the set of rules define required equipment within the subplant, wherein the instructions cause the one or more processors to:

determine whether all of the required equipment within the subplant have been specified; and

present an indication of missing equipment within the subplant via the user interface in response to determining that one or more of the required equipment within the subplant have not been specified.

9. The system of claim 1 , wherein:

the set of rules define valid relationships between the multiple devices of building equipment; and

evaluating the user input according to the set of rules to determine whether the connection is valid or invalid comprises determining whether the connection indicates a valid relationship between the multiple devices of building equipment according to the set of rules.

10. The system of claim 1 , wherein executing the model-based control process or simulation using the valid model comprises using the connection to define a constraint on the model-based control process or simulation.

11. A method comprising:

providing a user interface comprising a workspace with selectable symbols representing multiple devices of building equipment;

evaluating a user input defining a connection between at least two of the selectable symbols on the workspace according to a set of rules to determine whether the connection is valid or invalid;

preventing the user from making the connection in response to determining that the connection is invalid;

generating a valid model of a system comprising the multiple devices of building equipment in response to determining that the connection is valid;

executing a model-based control process or simulation using the valid model to generate control decisions or design decisions for the multiple devices of building equipment; and

operating or design the multiple devices of building equipment in accordance with the control decisions or the design decisions.

12. The method of claim 11 , wherein the multiple devices of building equipment represented by the selectable symbols comprise at least two of a resource supplier, a subplant, an energy load, and a resource storage device.

13. The method of claim 11 , wherein:

the user input defines the connection between a first connection point of a first selectable symbol of the selectable symbols and a second connection point of a second selectable symbol of the selectable symbols; and

evaluating the user input according to the set of rules to determine whether the connection is valid or invalid comprises determining whether the first connection point and the second connection point are associated with different types of resources.

14. The method of claim 11 , wherein evaluating the user input according to the set of rules to determine whether the connection is valid or invalid comprises:

identifying a first type of resource provided as an output by a first device of the building equipment represented by a first selectable symbol of the selectable symbols connected by the connection;

identifying a second type of resource received as an input by a second device of the building equipment represented by a second selectable symbol of the selectable symbols connected by the connection; and

determining whether the first type of resource is different from the second type of resource.

15. The method of claim 11 , comprising:

identifying a type of resource transferred between the multiple devices of building equipment represented by the selectable symbols connected by the connection;

selecting a color for the connection based on the type of resource; and

presenting the connection as a colored object having the selected color.

16. The method of claim 11 , comprising presenting the connection as an animated line that indicates transfer of a resource between a first device of the building equipment represented by a first selectable symbol of the selectable symbols connected by the connection and a second device of the building equipment represented by a second selectable symbol of the selectable symbols connected by the connection.

17. The method of claim 11 , wherein the set of rules indicate required connections between the selectable symbols, the method comprising:

determining whether all of the required connections between the selectable symbols have been defined; and

presenting an indication of missing connections between the selectable symbols via the user interface in response to determining that one or more of the required connections have not been defined.

18. The method of claim 11 , wherein at least one of the selectable symbols represents a subplant comprising multiple devices of the building equipment and the set of rules define required equipment within the subplant, the method comprising:

determining whether all of the required equipment within the subplant have been specified; and

presenting an indication of missing equipment within the subplant via the user interface in response to determining that one or more of the required equipment within the subplant have not been specified.

19. The method of claim 11 , wherein:

the set of rules define valid relationships between the multiple devices of building equipment; and

evaluating the user input according to the set of rules to determine whether the connection is valid or invalid comprises determining whether the connection indicates a valid relationship between the multiple devices of building equipment according to the set of rules.

20. The method of claim 11 , wherein executing the model-based control process or simulation using the valid model comprises using the connection to define a constraint on the model-based control process or simulation.