Digital control implementation basics in Power Electronics - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define the sampling period in a digital control system.

Power Electronics

sampling_period = 1 / [1]

Drag options to blanks, or click blank then click option'

Afrequency

Bcurrent

Csampling_rate

Dvoltage

Attempts:

3 left

💡 Hint

Common Mistakes

Using voltage or current instead of sampling rate.

Confusing frequency with sampling rate.

The sampling period is the inverse of the sampling rate, which defines how often the system samples the signal.

2fill in blank

medium

Complete the code to convert an analog signal to digital using an ADC function.

Power Electronics

digital_value = ADC([1])

Drag options to blanks, or click blank then click option'

Aanalog_signal

Bdigital_signal

Csampling_rate

Dcontrol_output

Attempts:

3 left

💡 Hint

Common Mistakes

Passing digital signals to ADC.

Using sampling rate as input.

An ADC (Analog to Digital Converter) converts an analog signal into a digital value for processing.

3fill in blank

hard

Fix the error in the control loop update by completing the missing term.

Power Electronics

control_output = previous_output + [1] * error

Drag options to blanks, or click blank then click option'

Again

Bsampling_period

Cvoltage

Dfrequency

Attempts:

3 left

💡 Hint

Common Mistakes

Using sampling period instead of gain.

Using unrelated terms like voltage or frequency.

The gain term scales the error to adjust the control output in the loop.

4fill in blank

hard

Fill both blanks to implement a discrete integrator step in the control algorithm.

Power Electronics

integral = previous_integral + [1] * [2]

Drag options to blanks, or click blank then click option'

Asampling_period

Berror

Cgain

Dvoltage

Attempts:

3 left

💡 Hint

Common Mistakes

Using gain or voltage instead of error.

Mixing up sampling period with gain.

The integral term is updated by adding the product of the sampling period and the current error.

5fill in blank

hard

Fill all three blanks to create a dictionary comprehension that maps sensor names to their digital values if the value is above zero.

Power Electronics

sensor_data = { [1]: [2] for [1], [2] in sensors.items() if [2] > 0 }

Drag options to blanks, or click blank then click option'

Aname

Bvalue

Dsensor

Attempts:

3 left

💡 Hint

Common Mistakes

Using inconsistent variable names.

Not filtering values correctly.

This comprehension creates a dictionary with sensor names as keys and their values, filtering only positive values.