Quadratec Limited
Product Technology Engineers
Company Activity
Design, Development and Manufacture of
Advanced Technology Engineering
Products, Instrumentation Systems,
Production and Test Equipment
Topics





Company Introduction
Gas Turbine Traverser
Pressure Measurement Array
Process Monitoring DAQ System
Other Sensing Systems
General Background








Established in 1995
Background in High
Technology Aerospace
Engineering
Sophisticated Niche Markets
Advanced CAE
Project Management
In-house Assembly Facilities
Sub-Contract Manufacture
Based near Chepstow, South
Wales
Products and Services






Product Engineering Consultancy
Design and Manufacture of
Automation Equipment
Design & Manufacture of
Component Test Equipment
Design & Manufacture of High
Speed Rotating Machinery
Design & Manufacture of
Aerodynamic Test Equipment
Design & Build of Data
Acquisition and Instrumentation
Systems
Typical Markets & Clients






Aerospace: Rolls-Royce, TRW, BA, Thales, BAAE
Automotive & Rail Transport: Toyota, TRW,
Westinghouse Brakes, Stant, Kautex Textron,
Stoneridge Pollak
Industrial: ABB, Aerotech ATE, Laird Group, IMI
Norgren, Rutherford Appleton Labs
Power Generation: Siemens
Petro-Chemical Industries: John Crane
Pharmaceutical & Medical: Bayer, MSS,
Pharmatech
Engineering Capability









3D SolidWorks Mechanical &
Electro-Mechanical Design
Composites Design
Cosmos FEA, Stress & Vibration
Analysis
Rotordynamics Analysis
CFDesign Computational Fluid
Dynamics & Heat Transfer Analysis
Digital & Analogue Electronics
NI LabView Control, Systems
Design and DAQ
Engineering Software Development
Project Management
Product Engineering Consultancy










Electro-Mechanical Hospital Bed
Design
Impact Loading Finite Element Analysis
Head Up Display Design
Blood Monitor Design
‘Off Road’ Vehicle Suspension Design
Mass Spectrometer Design
Missile Detection System Finite
Element Analysis
Security Lock Design
Building Structural Analysis
White Good Design
Engineering CAE

COSMOS FEA
Wind Tunnel
Equipment
Frequency Analysis

CFDesign CFD
Wind Tunnel
Equipment
Analysis
DAQ and Control

Burst Test Rig


GT Traverser
Response Test Rig
Component Test Equipment

Pressure Test Rig


Brake Test Rig
Aircraft Battery
Charger Test Rig
Component Test Equipment

Pneumatic
Component
Pressure Test Rig


Seal Head Tester
Automotive Ignition
Switch Test Rig
High Speed Rotating Machinery

F1 Seal Test Rig


Mech. Seal Test Rig
Gas Seal Test Rig

Rotor Spin Rig
DAQ & Instrumentation
Application Examples
Radial & Yaw Probe Traverse


Traverse Unit
Yaw Module Close-up
Typical Installation
Traverse Applications

Design Process Validation by measuring:
–
–
–
–

Gas Angles across an Annulus
Gas Velocities
Gas Temperatures
Gas Pressures
Engine Condition Monitoring:
– Blade Pyrometry

Sector Analysis using Radial & Yaw Traverse:
– Using Additional Circumferential Traverse
– Using Additional Tangential Traverse
Tactile Array Pressure Sensors

Multi-head
Discrete Sensors

Full Brake System

Pressure
Distribution
Output
Technology

Based on Capacitance
Measurement
d
Area
C∝

Array of Capacitors using
Multiple Orthogonal
Overlapping Strips
Overlapping
Electrodes
Improved Accuracy over
Traditional Resistive
Sensor
Capacitors Formed at
Overlap Points
Range
Capacitive
Sensor
24 psi
Resistive
Sensor
24 psi
Resolution
< 0.045 psi
< 0.45 psi
Non-Linearity
Scale Factor
Non-Repeatability
Hysteresis
1.5 %
2.6 %
2%
 32.2 %
5%
16.9 %
Parameter

Area
d
Range of Sensor Materials
Conformable
Industrial
Stretchable
Full Scale Range: 0-200psi
Dynamic Range: 300:1
Thickness: 1mm
Material: Z-Cloth
Temp. Range: -20 to 50C
Other: Conformable and moldable
Full Scale Range: 0-2000 psi
Dynamic Range: 300:1
Thickness: 0.35mm
Material: Kapton
Temp. Range: -40 to 200C
Other: N/A
Full Scale Range: 0-50psi
Dynamic Range: 300:1
Thickness: 3mm
Material: Lycra
Temp. Range: -20 to 50C
Other: 10% Linear Stretchability
Embedded Systems


Customised Array or Discrete
Sensor Design
One Interface with up to 20 Sensors
Die Casting Machine Process
Monitoring System

Machine
Instrumentation

DAQ Electronics
Box

Local PC Output
Display
DAQ System Output
Other Sensing Systems




Gas Turbine Tip Clearance
Measurement
Gas Turbine Internal Flow Test
Instrumentation
Telemetry Pressure Measurement
Array
Telemetry Process Monitoring
Systems
Quadratec Limited
Product Technology Engineers