This page presents the data development documentation for Battery Electrochemistry for all sites.
The standard ETL areas and processes are described on ALB Data Dev Architecture - General.
Summary
Data flow diagram
Data Ingestion
Data Sources
ELN
Simplified Flow
ELN API → <Extraction> → Local JSON File
Spreadsheets
| Source | Spreadsheet | Description | Data Status* |
|---|---|---|---|
ELN EWHA BOLLATE | ELN current template | This is a standard ELN spreadsheet for all sites | HOT |
ELN BOLLATE | ELN historic template | This is a ancient format for ELN spreadsheet for BOLLATE. The data is still necessary but new spreadsheet won't be created. | HOT |
ELN Battery mapping | ELN historic template | This is a ancient format for ELN spreadsheet for EWHA. The data is still necessary but new spreadsheet won't be created. | HOT |
| ELN MuSigma | pré-ELN | This spreadsheet has EWHA data before starting using ELN. There is no new data being added to it. All data is already ingested. | COLD |
| ELN Separator data Mapping | ? | Existing spreadsheet to be loaded to BQ | ? |
*Data Status: HOT: Data currently being updated at the source. It should be loaded regularly. COLD: No data changes at the source. It should be loaded just once.
The list of the spreadsheets/tables extracted from JSON files coming from ELN can be found in the Data Mapping of the next section.
Related documents
| Document Name | Link |
|---|---|
| Battery - ELN Data Model | https://app.diagrams.net/#G1sD6OqKnBzSR_SrGvzlhEl7s5F5vUGQqD |
| Battery - ELN Template Documentation |
Instruments/Cyclers
Simplified Flow
Lab server → <Copy> → Local CSV/XML/TXT file
Files
| Cyclers | Site | Description | Status |
|---|---|---|---|
| Maccor | EWHA | HOT | |
| Maccor | Bollate | HOT | |
| BioLogics | EWHA | HOT | |
| BioLogics BCS | Bollate | HOT | |
| BioLogics VMP3 | Bollate | HOT | |
| Arbin | EWHA | HOT | |
| Arbin OLD | Bollate | COLD | |
| Arbin (LPT) | Bollate | HOT | |
| PNE | EWHA | HOT | |
| Toyo | EWHA | HOT | |
| Biologic SP150 & SP300 (VSP) | Bollate | HOT | |
| BioLogics BCS | AUB | HOT | |
| BioLogics BCS | BRU | HOT | |
| BioLogics VMP | AUB | HOT | |
| BioLogics VMP | BRU | HOT | |
| BioLogics MPG | AUB | HOT | |
| BioLogics MPG | BRU | HOT | |
| BioLogics SP | AUB | HOT | |
| BioLogics MTZ | AUB | HOT |
*Data Status: HOT: Data currently being updated at the source. It should be loaded regularly. COLD: No data changes at the source. It should be loaded just once.
SFTP/File Location - Aubervilliers and NOH data
The instrument files are, most of them, manually added to a Google Driver's folder or a folder in lab servers.
The spreadsheet Where to find instrument files? has the full list of instrument folders and location:
SFTP/File Location - EWHA
https://docs.google.com/document/d/12FtHrijv22d1IM8FPXrYxx8nQVM4UeZlW8-ges3lYUQ/edit#
SFTP/File Location - Bollate
Data Mapping
No data mapping needed as the data is copied exactly as the source.
Data Preparation or Parsing
Simplified Flow
Local CSV/XML/TXT file → <Load> → Cloud Storage/Staging BigQuery
Data Mapping
The spreadsheet below presents all data transformation between the raw files (extracted files) and a BigQuery delta table. Some files are unstructured and semi-structured. This steps aims to structure the files in the target table format and checking if the column's type (schema) are conformed expected.
Data Integration or Computing
The data integration phase for batteries follows the standard approach describe on ALB Data Dev Architecture - General.
Simplified Flow
Staging BigQuery → <Transform> → ODS BigQuery
Data Mapping
The spreadsheet below presents all data transformations between the tables on Staging and ODS. This steps aims to add some calculations and intelligence to the data. Not all tables will need passing through this step.
Raw Data Pairing (all sites)
This spreadsheet shows how to align all cyclers in just one commun table schema:
Data Presentation (DW/DM)
Simplified Flow
ODS BigQuery → <Transform> → DW BigQuery → <Expose> → DM_Battery_Electrochemistry BigQuery
Data Mapping
Data Model
The following data model presents the tables present on DW dataset and the relation between them:
For the DM dataset (DM_Battery_Electrochemistry), we have the views on the top of the tables before. As defined in the convention, there is no need of the abbreviation "bat_electro". No need either of Talend jobs.
Orchestrating Jobs
All the jobs are run in sequence under the follow job and project name on TAC/Talend Cloud:
| Project | Job/Flow |
|---|---|
| RnI_ACN_Battery | F000_RnI_ACN_Battery_ |
| RnI_Battery_ELN | |
| RnI_Battery | |
| RnI_Battery_BOLLATE |
For scheduling details check the Operational documentation.
Talend
ELN
Project: RnI_Battery_ELN
Instruments
Project: RnI_Battery (EWHA)
Project: RnI_Battery_BOLLATE
