title: Average and RMS value Calculator
description: JavaScript average and RMS value Calculator
keywords: RMS, average, median, value, calculator
template: template.html.jinja2
resolution: 5
width:
max: 640px
min: 420px
name: 7em
value: 5em
units: 2em
comment: 20em
include:
- type: script
name: zeros.js
# *******************************************************************
rows:
- type: img
name: Wave Types
src: images/waves.png
# ** INPUT PARAMETER **
- type: header
name: Maximum and Minimum values of wave (peak to peak)
- type: var
comment: Maximum value of signal
name: V_max
value: 5
unit: V
- type: var
comment: Minimum value of signal
name: V_min
value: 1
unit: V
- type: var
comment: Duty cycle
name: D
value: 50
unit: '%'
prefix: 0.01
# ** SINE WAVE **
- type: header
name: Sine wave
- type: calc
comment: Average value of sine wave (offset)
name: V_offset
unit: V
id: V_offset1
calc: V_offset1 = V_min + 0.5 * (V_max - V_min)
- type: calc
comment: RMS value of sine wave (without offset)
name: V_sin_ac_rms
unit: V
calc: V_sin_ac_rms = Math.abs(V_max - V_min) * Math.sqrt(0.125)
- type: calc
comment: RMS value of sine wave (with offset)
name: V_sin_rms
unit: V
calc: V_sin_rms = Math.sqrt(V_sin_ac_rms * V_sin_ac_rms + V_offset1 * V_offset1)
# ** TRIANGLE WAVE **
- type: header
name: Triangle wave
- type: calc
comment: Average value of Triangle wave (offset)
name: V_offset
unit: V
id: V_offset2
calc: V_offset2 = V_min + 0.5 * (V_max - V_min)
- type: calc
comment: RMS value of Triangle wave (without offset)
name: V_tri_ac_rms
unit: V
calc: V_tri_ac_rms = Math.abs(V_max - V_min) * Math.sqrt(1.0/12)
- type: calc
comment: RMS value of Triangle wave (with offset)
name: V_tri_rms
unit: V
calc: V_tri_rms = Math.sqrt(V_tri_ac_rms * V_tri_ac_rms + V_offset2 * V_offset2)
# ** RECTIFIED SINE WAVE **
- type: header
name: Rectified Sine wave
- type: calc
comment: Average value of Rectified Sine wave (offset)
name: V_offset
unit: V
id: V_offset3
calc: V_offset3 = V_min + (V_max - V_min) * 2 * D / Math.PI
- type: calc
comment: RMS value of of Rectified Sine wave (without offset)
name: V_rsin_ac_rms
unit: V
calc: V_rsin_ac_rms = Math.abs(V_max - V_min) * Math.sqrt(D*(0.5 - 4.0 /(Math.PI*Math.PI)))
- type: calc
comment: RMS value of of Rectified Sine wave (with offset)
name: V_rsin_rms
unit: V
calc: V_rsin_rms = Math.sqrt(V_rsin_ac_rms * V_rsin_ac_rms + V_offset3 * V_offset3)
# ** SAWTOOTH WAVE **
- type: header
name: Sawtooth wave
- type: calc
comment: Average value of Sawtooth wave (offset)
name: V_offset
unit: V
id: V_offset4
calc: V_offset4 = V_min + D * 0.5 * (V_max - V_min)
- type: calc
comment: RMS value of Sawtooth wave (without offset)
name: V_saw_ac_rms
unit: V
calc: V_saw_ac_rms = Math.abs(V_max - V_min) * Math.sqrt(D * 0.0833333)
- type: calc
comment: RMS value of Sawtooth wave (with offset)
name: V_saw_rms
unit: V
calc: V_saw_rms = Math.sqrt(V_saw_ac_rms * V_saw_ac_rms + V_offset4 * V_offset4)
# ** SQUARE WAVE **
- type: header
name: Square wave
- type: calc
comment: Average value of Square wave (offset)
name: V_offset
unit: V
id: V_offset5
calc: V_offset5 = V_min + D * (V_max - V_min)
- type: calc
comment: RMS value of Square wave (without offset)
name: V_sq_ac_rms
unit: V
calc:
- V_sq_rms = Math.sqrt(V_max*V_max*D + V_min*V_min*(1-D))
- V_sq_ac_rms = Math.sqrt(V_sq_rms*V_sq_rms - V_offset5 * V_offset5)
- type: calc
comment: RMS value of Square wave (with offset)
name: V_sq_rms
unit: V
# ** ADD WAVES **
- type: header
name: Sum of waves RMS value
- type: var
comment: V_rms of Wave 1
name: V1_rms
unit: V
- type: var
comment: V_rms of Wave 2
name: V2_rms
unit: V
- type: var
comment: V_rms of Wave 3
name: V3_rms
unit: V
- type: var
comment: V_rms of Wave 4
name: V4_rms
unit: V
- type: var
comment: V_rms of Wave 5
name: V5_rms
unit: V
- type: calc
comment: RMS value of all waves
name: V_add_rms
unit: V
calc: V_add_rms = Math.sqrt(V1_rms*V1_rms + V2_rms*V2_rms + V3_rms*V3_rms + V4_rms*V4_rms + V5_rms*V5_rms)