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eisplottingtool-0.1.5
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مشاهده بیشترتوضیحات
A tool used to plot EIS data and other battery related data
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | eisplottingtool-0.1.5 |
| نام | eisplottingtool |
| نسخه کتابخانه | 0.1.5 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Ulrich Sauter |
| ایمیل نویسنده | usauterv@outlook.com |
| آدرس صفحه اصلی | https://github.com/ileu/EISFrame |
| آدرس اینترنتی | https://pypi.org/project/eisplottingtool/ |
| مجوز | - |
# eisplottingtools
This package was created during my civil service at EMPA. to process, plot and fit electrochemical impedance
spectroscopy (EIS) data.
This package itself centered around the class `EISFrame`, which itself is a wrapper around
a [`pandas.DataFrame`](https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.html). The `EISFrame` contains
additional methods to plot, fit and manipulate EIS data and also other electrochemical data.
## Installation
This package is currently not on [PyPI](https://pypi.org/).
To install and use this package fork or clone the repository on [GitHub](https://github.com/ileu/eisplottingtool). Move
to the folder where the repository is located on your local machine and open a Terminal.
To install run:
```bash
> py -m pip install .
```
to install and editable version use:
```bash
> py -m pip install -e .
```
## Example Usage
### Step 1: Import data & create EISFrame
To load data and to create an `EISFrame`the `load_data`function can be used.
The following file types are supported to load data from: `csv`, `txt`, `mpr`, `mpt`.
```python
import eisplottingtool as ept
data = ept.load_data("Example_Data.mpr")
```
### Step 2: Manipulate Data
An `EISFrame` is essentially a wrapper around a `pandas.DataFrame` with additional functionality.
Like a `DataFrame` the data in an `EisFrame` can be accessed directly with the index operator `[...]`.
- int for accessing cycles
-
### Step 3: Define an equivalent circuit
To fit our data an equivalent circuit is needed, defined as a string.
To combine Elements are combined in series by a dash (`-`) is used. Elements in parallel are wrapped by `p( , )`.
An element is defined by a symbol made of letters followed by a digit. Implemented components are:
For example the following circuit would be defined as:
#### Implemented components
| Name | Symbol | Parameters | Default Bounds | Units |
|-------------------------------|--------|------------|----------------|--------------|
| Resistor | R | R | (1e-6, 1e6) | Ohm |
| Capacitance | C | C | (1e-20, 1) | Farad |
| Constant Phase Element | CPE | CPE_Q | (1e-20, 1) | Ohm^-1 s^n |
| | | CPE_n | (0, 1) | |
| Warburg element | W | W | (0, 1e10) | Ohm^-1 s^0.5 |
| Warburg short element | Ws | Ws_R | (0, 1e10) | Ohm |
| | | Ws_T | (1e-10, 1e10) | s |
| Warburg open element | Wo | Wo_R | (0, 1e10) | Ohm |
| | | Wo_T | (1e-10, 1e10) | s |
| Warburg short element special | Wss | Wss_R | (0, 1e10) | Ohm |
| | | Wss_T | (1e-10, 1e10) | s |
| | | Wss_n | (0, 1) | |
| Warburg open element special | Wos | Wos_R | (0, 1e10) | Ohm |
| | | Wos_T | (1e-10, 1e10) | s |
| | | Wos_n | (0, 1) | |
### Step 4: Fit the data
Least_squares is a good fitting method but will get stuck in local minima. For this reason, the Nelder-Mead-Simplex
algorithm is used to get out of these local minima. The fitting routine is inspired by Relaxis 3 fitting procedure. More
information about it can be found on page 188 of revision 1.25
of [Relaxis User Manual](https://www.rhd-instruments.de/download/manuals/relaxis_manual.pdf).
### Step 5: visualize the data
## Functions
Extended Backus–Naur form (EBNF) parser for a circuit string.
Implements an extended Backus–Naur form (EBNF) to parse a string that describes a circuit Already implemented circuit
elements are located in CircuitComponents.py To use a component in the circuit string use its symbol. The symbol can be
followed by a digit to differentiate similar components.
To put elements in series connect them through '-' Parallel elements are created by p(Elm1, Elm2,...)
The syntax of the EBNF is given by:
- circuit = element | element-circuit - element = component | parallel - parallel = p(circuit {,circuit})
- component = a circuit component defined in ``circuit_components``
From this an equation for the impedance is generated and evaluated.
نیازمندی
| مقدار | نام |
|---|---|
| - | numpy |
| - | pandas |
| >=0.4.0 | eclabfiles |
| - | pint |
| - | scipy |
| - | matplotlib |
| >=0.12 | schemdraw |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.9 | Python |
نحوه نصب
نصب پکیج whl eisplottingtool-0.1.5:
pip install eisplottingtool-0.1.5.whl
نصب پکیج tar.gz eisplottingtool-0.1.5:
pip install eisplottingtool-0.1.5.tar.gz