Question-and-Answer Resource for the Building Energy Modeling Community

Defining objectives functions from results obtained with python scripts

asked 2020-10-13 06:35:38 -0600

Carmen
61 ●1

updated 2020-10-13 08:07:09 -0600

Aaron Boranian

14250 ●86 ●24 http://bigladdersoftware.com/

I've created a python script in order to determine the % of discomfort hours using the hourly indoor air temperatures reported in the simulations. However, I do not know how to specify the % of discomfort hours as an objective funtion in the .rvx file, since those variables have to be linked to the column names reported in the AllCombinedResults.csv (where the hourly temperature data is reported). So, is there a way to overwrite the indoor air temperatures by the % of discomfort hours obtained in the python script? How should I tell jEPLUS+EA to optimize the variables reported in the python script?

edit retag flag offensive close merge delete

add a comment

1 Answer

Sort by » oldest newest most voted

answered 2020-10-14 04:18:07 -0600

Yi Zhang
1250 ●11 ●6

Hi Carmen,

In order to use values calculated by your Python script for optimisation, you need to add it to the jEPlus project as a "script" object. Your script will take input from jEPlus and produce a table in a required format. The manual is here: https://www.jeplus.org/wiki/doku.php?...

A new version (v2.1) of jEPlus and jEPlus+EA is out. It is a little easier to set up RVX in jEPlus v2 and the new jEPlus+EA offers some useful features, too. You can check them out on jeplus.org.

edit flag offensive delete link

Comments

Sorry, but I didn't get it. Actually I am calculating the RMSE with a python script and gather all the results as described above in a csv called RMSE.csv. My question is how can I identify now the calculated RMSE to use it as an objective? What should I include in the formula box?

Kostas

kostas ( 2023-07-05 05:52:59 -0600 )edit

add a comment

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Training Workshops

Careers

Question Tools

2 followers

Stats

Asked: 2020-10-13 06:35:38 -0600

Seen: 263 times

Last updated: Oct 14 '20

Site design and logo: Copyright © 2015 Big Ladder Software LLC. All rights reserved.
The Unmet Hours and Big Ladder names and logos are trademarks of Big Ladder Software LLC.
User contributions licensed under the Creative Commons Attribution Share Alike 3.0 License.

Defining objectives functions from results obtained with python scripts edit