✈️
AvionicsTEST
Automated Production Test System
ONLINE
NI TestStand
—
PASS
—
FAIL
—
COVERAGE
📊 Live Test Metrics
Test Coverage
96.4%
First Pass Yield
94.1%
Throughput (UUT/hr)
38
📈 Signal Monitor – ARINC 429 Bus
Ch A: 100 kbps HI
VALID
Label 270: ALT=35,420 ft
🖥️ Test Station Health
GPIB Instrument Bus
Agilent 34401A DMM · HP 33120A AWG
PASS
PXI Chassis
NI PXIe-1082 · 8 slots · 3 GHz
PASS
Signal Conditioning Board
±10 V analog I/O · 16-ch mux
PASS
CAN Bus Analyzer
ISO 11898-1 · 1 Mbit/s
PASS
🔧 NI TestStand Sequence
LRU Functional Test
ARINC 429 Data Bus Test
Power Supply Test
CAN Bus Test
RS-422 Serial Test
▶ Run
📋 Sequence Steps
📟 Execution Log
[TestStand 2024] Engine initialized
[OK] Station adapter loaded
[OK] UUT detected – P/N 8675309-01 Rev C
[INFO] Waiting for sequence selection…
📊 Run Summary
—
PASS
—
FAIL
Total Steps
—
Elapsed
—
ARINC
Serial
CAN
Analog
📡 ARINC 429 / 664 / 825
ARINC 429 Tx/Rx
100 kbps HI · Labels 100–377
ACTIVE
ARINC 664 (AFDX)
100 Mbit/s · VL 100–199
ACTIVE
ARINC 825 (CAN)
1 Mbit/s · Node 0x14
IDLE
📦 Decoded Bus Words
🔬 Label Inspector
Label
270 – Baro Altitude
301 – IAS
324 – True Heading
150 – Lat Accel
0x2C4F81
Raw Word
35,420
Decoded
SSM
NCD – 11
SDI
00 (Source 1)
🔌 Serial Interfaces
RS-232 COM1
115200 8N1 · NMEA GPS feed
PASS
RS-422 COM2
1 Mbit/s differential · IMU data
PASS
RS-485 COM3
Multi-drop · 32 nodes · 500 kbps
IDLE
📡 Live Serial Stream
🚌 CAN Bus – ISO 11898
CAN Channel 0
1 Mbit/s · Engine FADEC
ACTIVE
CAN Channel 1
500 kbps · Cabin Systems
ACTIVE
📦 CAN Frame Trace
Bus Load
38%
⚡ Analog Signal Conditioning
Stimulus Voltage
+5.00 V
Low-pass Filter
1.0 kHz
🎚️ Measured Channels
🔍 Root Cause Analysis – 5-Why
Fault: ADC output out of tolerance
DUT P/N 8675309-01 · Station A3
OPEN
W1
Why does ADC output drift?
W2
Why is reference voltage incorrect?
W3
Why did VREF regulator fail?
W4
Why was derating violated?
W5
Root cause: BOM cap voltage rating 10 V in 15 V rail
▶ Drill Down
✓ Mark Resolved
📉 Defect Trend – 8D Summary
D1 Team ✓
D3 Containment ✓
D4 Root Cause ⚠
D5 CA ○
📈 Yield & Coverage Analytics
94.1%
First Pass Yield
96.4%
Test Coverage
38
UUT/hr
0
Escapes
🛠 Tech Stack
NI TestStand
LabWindows/CVI
C / C++
C#
ARINC 429
ARINC 664
CAN / ARINC 825
RS-422/485
PXI / GPIB
Android
iOS
Git / GitHub
Agile / Scrum
DO-178C
📱 Cross-Platform Targets
🤖 Android (Kotlin)
API 26+ · Material Design · Gradle 8
↓ APK
🍎 iOS (Swift / SwiftUI)
iOS 15+ · TestFlight · Xcode 15
TestFlight
🌐 Web (React / Next.js)
Responsive · PWA-ready · Static export
LIVE
📲 Mobile Feature Highlights
Live Test Dashboard
Real-time WebSocket metrics push
✓
Push Notifications
FCM (Android) · APNs (iOS) failure alerts
✓
Offline Cache
SQLite – last 500 test records
✓
Biometric Auth
TouchID / FaceID / Fingerprint
✓
Report Export
PDF / CSV test reports on-device
✓
🏗 Architecture
// TestStation ↔ Mobile bridge
REST API (C# .NET 8 / ASP.NET Core)
└─
GET /api/results → JSON
└─
POST /api/run → trigger seq
WebSocket (NI TestStand callback)
└─
ws://station:8765/live
Android: Retrofit + OkHttp + Room DB
iOS: URLSession + Core Data
CI/CD: GitHub Actions → APK + IPA
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