### System in Analysis

The complete example code is available 
[here](https://github.com/AndreaBlengino/gearpy/blob/master/docs/source/examples/6_dc_motor_animation/dc_motor_animation.py).  
The mechanical powertrain to be studied is the one described in the 
[5 - DC Motor PWM Control](https://gearpy.readthedocs.io/en/latest/examples/5_dc_motor_pwm_control/index.html) 
example.  

### Model Set Up

We can get an animation of the DC motor's working characteristics:

```python
from gearpy.utils import dc_motor_characteristics_animation

dc_motor_characteristics_animation(
    motor=motor,
    time=powertrain.time,
    interval=10,
    figsize=(10, 5),
    torque_unit='mNm',
    current_unit='mA'
)
```

![](animations/animation_1.gif)

See 
:py:func:`dc_motor_characteristics_animation <gearpy.utils.animate.dc_motor_characteristics_animation>`
for more details.  
On the left-hand side there is the torque-speed characteristic, while on
the right-hand side there is the torque-current characteristic and the 
orange dot is the working point of the motor. The characteristics can 
vary based on the PWM value.