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

Build Statistical Charts with Formulas in Seconds

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

12 SPC Chart TypesProcess CapabilityFMEA Bonus ToolAudit-Ready Reports
ASQ 2022 Proud Member — Excellence Through QualityProud member of the American Society for Quality (ASQ)
Easy to Use

Get Results in 3 Simple Steps

No statistics degree required. If you can copy and paste, you can run professional quality analysis.

1

Enter Your Data

Paste measurements, defect counts, or bin frequencies into simple tables. No spreadsheets or formulas to wrestle with.

2

Analyze Instantly

Get charts, control limits, capability indices, and insights in one click — calculated automatically with proven SPC methods.

3

Export & Share

Download presentation-ready PDF or Excel reports with your company branding — ready for audits, reviews, and stakeholders.

Most analyses complete in under 10 seconds — from data entry to a shareable report.

Real Excel Export

See What Your Export Looks Like

A Gauge R&R study exported to Excel — tables and charts are fully editable, not flattened images.

Summary Statistics.xlsx

Summary Statistics

Full study metrics — repeatability, reproducibility, %GRR, and ndc.

ANOVA & Variance Components.xlsx

ANOVA & Variance Components

Two-way crossed ANOVA table with % contribution breakdown.

R Chart by Appraiser.xlsx

R Chart by Appraiser

Native, editable Excel charts — not screenshots.

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

Build Excel Charts in Seconds with Live Formulas

Drop in your data and get Process Capability, X̄-R / X̄-S control charts, and Gauge R&R cross study as real, editable Excel charts in seconds — backed by live formulas you can audit, extend, and recalculate. Not flat images: every control limit, center line, and statistic is a formula-driven cell you control.

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
  • Live formulas — audit, edit & recalculate instantly

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
  • Live formulas — audit, edit & recalculate instantly

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
  • Live formulas — audit, edit & recalculate instantly

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
  • Live formulas — audit, edit & recalculate instantly
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. Click a tool below to expand its details.

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.

  • Run & control charts (I-MR) for stability
  • Histogram & capability (Cp, Cpk)
  • DPMO & Six Sigma level calculations
  • Pareto, scatter, p Chart, c Chart
  • Saved sessions, revisitable anytime

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

Disclaimer: Principle of Quality AI provides statistical and quality-management tools for informational and educational purposes only. The analyses, charts, and reports generated by this platform are not a substitute for professional engineering judgment, regulatory compliance review, or formal audit. Users are responsible for validating all results and ensuring their processes meet applicable industry standards and regulatory requirements.

Principle of Quality Improvement AI

Transforming organizations through proven quality improvement methodologies.

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