Data Acquisition Systems

About Data Acquisition Systems

Overview

A high-performance data acquisition & control system designed for seamless integration with subsonic, transonic, and supersonic wind tunnel systems. Built using advanced National Instruments hardware and custom LabVIEW-based software, the system delivers real-time measurement, control, and data logging with exceptional accuracy and reliability.

Key Features

• Real-Time Data Acquisition, Display & Recording
• High-Resolution, Low-Noise Measurement System
• Customizable LabVIEW Interface (Executable no license required)
• Integrated Control of Wind Tunnel & Test Systems
• Digital Signal Conversion at Source for Noise Reduction

System Architecture

• Hardware Platform: National Instruments DAQ modules
• Software: Custom executable LabVIEW application
• Computer: Dell desktop with monitor, keyboard, and mouse (standard)
• Signal Processing: Immediate analog-to-digital conversion at source

 Technical Datasheet (Typical)

Measurement Capabilities

• Pressure: Static, total, differential
• Position: Model attitude, traverse location
• Temperature: Ambient and test conditions

Control Functions

• Wind Tunnel Control:
• Fan motor Variable Frequency Drive (VFD)
• Dynamic pressure (q) regulation
• Model Positioning Systems: Pitch, yaw, and optional automation
• Traverse Systems: Probe positioning and scanning

Performance

• Data Resolution: High-resolution digital acquisition
• Accuracy: Application-specific, high precision
• Repeatability: Excellent with low signal noise

System Integration

• Compatible with:
• Wind tunnel systems (EWT, transonic, supersonic)
• Force/moment balances
• Pressure measurement devices
• Traverse and positioning systems

Optional Features

• Laptop-based system configuration
• Custom computer specifications (storage, processing power, etc.)
• Expanded sensor integration
• Advanced automation and control modules

Applications

• Aerodynamic testing and data analysis
• Wind tunnel control and automation
• Multi-parameter experimental research
• Academic and industrial R&D

Customization

Each DAC system is custom-engineered, assembled, and calibrated to meet specific instrumentation, control, and data visualization requirements.