AI-Powered Quality Management with FMEA and SPC

Principle of Quality AI is an AI-powered quality management platform featuring AIAG-VDA FMEA (DFMEA & PFMEA) with Action Priority (AP) scoring and automated Control Plan generation, Statistical Process Control with 12 chart types including Gauge R&R, and Custom Report Branding for professional exports.

Pricing

Starter: $25/month (SPC Charts, FMEA template, PDF & Excel exports) — Professional: $50/month (Process Capability, Gauge R&R, Custom Report Branding, advanced branding). Instant access, cancel anytime.

Principle of Quality AI
SPC-Powered Quality Platform

Principle of Quality AI

The SPC Platform That Helps You See What Your Process Is Really Doing

Eleven statistical chart types — Run, Control, Histogram, Capability, Pareto, Scatter, p Chart, c Chart, u Chart, X̄-R, and X̄-S — reveal process stability and capability at a glance. Plus FMEA as a bonus tool to prevent failures before they happen. Stop guessing. Start measuring.

11 SPC Chart TypesProcess CapabilityFMEA Bonus ToolAudit-Ready Reports
ASQ 2022 Proud Member — Excellence Through QualityProud member of the American Society for Quality (ASQ)
Core Capability

When data is added to Principle of Quality AI, it builds your charts in Excel format. Edit and change the spreadsheet as much as you like.

Twelve SPC Chart Types That Reveal What Your Process Is Really Doing

Run, Control, Histogram, Capability, Pareto, Scatter, p Chart, c Chart, u Chart, X̄-R, X̄-S, and Gauge R&R Cross Study — each one surfaces a different signal in your process data. Spot trends, detect special-cause variation, measure capability, quantify measurement system variation, and prove your process is stable and in control.

Run Chart
Control Chart
Histogram
Capability
Pareto
Scatter
p Chart
c Chart
u Chart
X̄-R Chart
X̄-S Chart
Gauge R&R Cross Study

X̄-R Control Chart

Subgroup n = 5

Process Status

In Control

UCL = 12.4CL = 10.0LCL = 7.6

Cp

1.42

Cpk

1.28

σ

0.94

12 Chart Types
Native Excel Export

Process Capability, X̄-R / X̄-S & Gauge R&R, Built in Excel Format

Principle of Quality AI builds your Process Capability charts, X̄-R / X̄-S control charts, and Gauge R&R cross study directly in Excel format — real, editable native charts, not flat images. Add your data, then tweak the spreadsheet, formulas, and charts any way you like.

PDF — polished & shareable
Excel — editable & live
Presentation-ready

Process Capability Charts

Cp, Cpk, Cpu & Cpl rendered as native, editable Excel column charts.

  • Editable native Excel chart objects
  • Control limits & center lines as data series
  • Branded with your logo & company colors

X̄-R Control Charts

Both the X̄ and R charts exported as editable Excel line charts with UCL, CL & LCL series.

  • Editable native Excel chart objects
  • Control limits & center lines as data series
  • Branded with your logo & company colors

X̄-S Control Charts

X̄ and S charts exported side-by-side as native Excel line charts — fully editable.

  • Editable native Excel chart objects
  • Control limits & center lines as data series
  • Branded with your logo & company colors

Gauge R&R Cross Study

R chart, X̄ chart, interaction plot & variance components exported as native Excel charts with full ANOVA table.

  • Editable native Excel chart objects
  • Control limits & center lines as data series
  • Branded with your logo & company colors
Custom Report Branding

Branded PDF Reports, Your Logo, Your Colors

Custom Report Branding lets you apply your company identity to every PDF export — logos, color palettes, layout options, watermarks, custom fields, and cover pages.

Logo & Company Colors

Add your company logo, brand colors, and tagline to every exported PDF report.

  • Applied to all PDF report exports
  • Consistent professional branding
  • Cover pages & custom fields

Custom Layouts

Choose header style, page number position, and prepared-by / approved-by fields.

  • Applied to all PDF report exports
  • Consistent professional branding
  • Cover pages & custom fields

Watermark & Custom Fields

Apply watermarks and custom metadata fields to protect and personalize your reports.

  • Applied to all PDF report exports
  • Consistent professional branding
  • Cover pages & custom fields
SPC Charts + Bonus FMEA Tool

SPC Charts, Front and Center.

Statistical process control is the heart of the platform — nine chart types to measure stability and capability. FMEA comes as a bonus to prevent failures before they happen.

All tools included on every paid plan — no per-tool fees, no hidden upgrades.

Explore Each Tool

SPC Charts, In Detail

Statistical process control is the flagship — and FMEA comes as a bonus to help you prevent the failures your charts surface.

01
Run charts and control charts (I-MR) for process stabilityHistogram and process capability (Cp, Cpk) analysisDPMO and Six Sigma level calculationsPareto, scatter, p Chart, and c Chart analysesSaved analysis sessions you can revisit anytime
★ Featured Tool

Data Analysis Center (SPC)

Statistical process control charts that reveal how your process really behaves.

Run nine statistical chart types — Run, Control, Histogram, Process Capability, DPMO, Pareto, Scatter, p Chart, and c Chart. Save analysis sessions and revisit them anytime to track process stability over time. The flagship tool of the platform — everything you need to measure, monitor, and prove process capability.

  • Run charts and control charts (I-MR) for process stability
  • Histogram and process capability (Cp, Cpk) analysis
  • DPMO and Six Sigma level calculations
  • Pareto, scatter, p Chart, and c Chart analyses
  • Saved analysis sessions you can revisit anytime
02
Design & Process FMEA with AIAG-VDA AP scoring (H/M/L)AI-assisted failure mode and cause identificationIndustry-specific severity, occurrence, and detection scalesAutomatic Control Plan generation from FMEA rowsRevised RPN/AP tracking after corrective actions
+ Bonus Tool

FMEA Template

Bonus tool — prevent failures before they happen with AIAG-VDA scoring.

A bonus tool alongside SPC. Build Design or Process FMEAs with AIAG-VDA Action Priority (AP) scoring and AI-assisted failure mode identification. Industry-specific rating scales keep your assessments consistent and defensible.

  • Design & Process FMEA with AIAG-VDA AP scoring (H/M/L)
  • AI-assisted failure mode and cause identification
  • Industry-specific severity, occurrence, and detection scales
  • Automatic Control Plan generation from FMEA rows
  • Revised RPN/AP tracking after corrective actions

Principle of Quality Improvement AI

Transforming organizations through proven quality improvement methodologies.

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