1Ensign-Bickford Aerospace & Defense Company
Intelligent Initiation Systems
Presented at:2nd Annual Missiles & RocketsSymposium & ExhibitionMay 14 - 16, 2001
Craig J. Boucher(860) 843-2870
Report Documentation Page
Report Date 14052001
Report Type N/A
Dates Covered (from... to) -
Title and Subtitle Intelligent Initiation Systems
Contract Number
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Author(s) Boucher, Craig J.
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Performing Organization Name(s) and Address(es) Ensign-Bickford Aerospace & Defense Company
Performing Organization Report Number
Sponsoring/Monitoring Agency Name(s) and Address(es) NDIA (National Defense Industrial Association 2111Wilson Blvd., Ste. 400 Arlington, VA 22201-3061
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Distribution/Availability Statement Approved for public release, distribution unlimited
Supplementary Notes Proceedings from Armaments for the 2nd Annual Missiles & Rockets Symposium & Exhibition, 14-16May 2001 sponsored by NDIA.
Abstract
Subject Terms
Report Classification unclassified
Classification of this page unclassified
Classification of Abstract unclassified
Limitation of Abstract UU
Number of Pages 16
2Ensign-Bickford Aerospace & Defense Company
Intelligent Initiation Systems
Combine Semiconductor Bridges, Explosive Modeling andAnalysis, and Smart Electronics to Create A Smaller, Lighter,
Lower Power, and More Capable Ordnance System
IntelligentInitiationSystems
Low EnergySemiconductor
Bridge
Explosive Modelingand Analysis
SmartElectronics
3Ensign-Bickford Aerospace & Defense Company
Semiconductor Bridgesu Developed By Sandia in 1987u Fast, Low Energy Firing (<1.0mJ)
u Energy Rate Sensitive
u Planar Design Provides High No-Fireu Enhanced Performance SCBs Developed
u Integrated Zener Diodes, RF Voltage Block
AluminumLands
Silicon Substrate
DopedPolysilicon
ActiveBridgeArea
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12 14 16 18
Time (microseconds)
Energy
Current
SCB Resistance
Solid Liquid Vapor Plasma
4Ensign-Bickford Aerospace & Defense Company
SCB Performance Datau SCBs Provide:
u Comparable No-Fire and ESD Performanceu Significantly Reduced All-Fire Energy and Function Time
1A/1W SCB Firing CapacitorBank and Fire Switch
1A/1W Conventional Bridgewire FiringCapacitor Bank and Fire Switch
Bridge No-Fire ESDAll-FireEnergy
FunctionTime
HBW 1.1A 25kV, 500pF, 5k 30mJ 3ms
1st Generation SCB 1.4A 25kV, 500pF, 5k 3mJ 60µs
2nd Generation SCB 0.7A 25kV, 500pF, 150 0.3mJ 30µs
3rd Generation SCB 140V 25kV, 500pF, 5k 3mJ 30µs
Small SCB - - 200µJ 1.5µs
5Ensign-Bickford Aerospace & Defense Company
WizOrd TM Intelligent Initiation System
u WizOrdTM Intelligent Initiation System
u A New Paradigm in Ordnance Initiation Systems
u WizOrdTM Utilizes Smart Miniaturized Electronics toCreate an Addressable Initiation System that is:
u Smalleru Lighteru Lower Poweru Flexibleu More Capable
6Ensign-Bickford Aerospace & Defense Company
CableAssembly
WizOrd TM System Overviewu WizOrdTM is an Addressable Party Line Initiation System
u One Bus Controller - Multiple Initiatorsu Individually Addressable Initiatorsu Two-Way Digitally Coded Communicationsu Initiators Contain Arming and Firing Circuitsu Simple Control Interface
u 28VDC Poweru 28V Discrete Arm Enable Command and Serial Control Interface
WizOrdTM Intelligent Initiation System
ControlInterface
WizOrdTM Bus Controller
WizOrdTM Initiators
7Ensign-Bickford Aerospace & Defense Company
WizOrd TM Advantagesu Reduced Weight/Size
u Bus Controller Smaller than Typical Firing Boxu Fewer Cablesu Power System Reduction
u Reduced Power Consumptionu No Ordnance Firing Current Loads
u Enhanced Testabilityu Two Way Communication Bus Allows More Testabilityu Extensive Testing can be Performed in the Flight Configuration
u Flexibilityu Initiators are Easily Added or Removed with No Controller Requalu Unlimited Communications - Any Initiator at Any Timeu Intelligent Initiators Provide Flexible Protocol
u Expandable Functionsu Bus Architecture Could Accommodate Sensors
u Reduced Weight/Sizeu Bus Controller Smaller than Typical Firing Boxu Fewer Cablesu Power System Reduction
u Reduced Power Consumptionu No Ordnance Firing Current Loads
u Enhanced Testabilityu Two Way Communication Bus Allows More Testabilityu Extensive Testing can be Performed in the Flight Configuration
u Flexibilityu Initiators are Easily Added or Removed with No Controller Requalu Unlimited Communications - Any Initiator at Any Timeu Intelligent Initiators Provide Flexible Protocol
u Expandable Functionsu Bus Architecture Could Accommodate Sensors
8Ensign-Bickford Aerospace & Defense Company
WizOrd TM Performance Datau WizOrdTM is Designed to Meet the Requirements of:
u MIL-STD-1512u MIL-STD-1576u MIL-I-23659
u On-Going Design Validation Test Programu Maximum Performance Limits Currently Being Identifiedu Stated Performance Data Represents Testing Performed to Date
u Planned System Improvements Are In Developmentu Improved Data Bus Speedu Detonation Outputu Sensors
u The WizOrdTM Intelligent Initiation System Can Be Tailored for ManyApplications Without Compromising Safety or Reliability
u WizOrdTM is Designed to Meet the Requirements of:u MIL-STD-1512u MIL-STD-1576u MIL-I-23659
u On-Going Design Validation Test Programu Maximum Performance Limits Currently Being Identifiedu Stated Performance Data Represents Testing Performed to Date
u Planned System Improvements Are In Developmentu Improved Data Bus Speedu Detonation Outputu Sensors
u The WizOrdTM Intelligent Initiation System Can Be Tailored for ManyApplications Without Compromising Safety or Reliability
9Ensign-Bickford Aerospace & Defense Company
WizOrd TM SpecificationsParameter Specification Comments
Bus Controller Operating Voltage 22VDC to 34VDCCan Be Re-Designed To MeetSpecific Needs
Bus Controller Current Draw 60mA + 4mA per Initiator Typically 40mA + 3mA per Initiator
Maximum Number of Initiators 124 Set By Communication AddressLength
All-Fire Minimum 2X All-Fire Energy0.999 All-fire @ 95% ConfidenceLevel at -65°F
No-Fire No-Fire less than Operate PowerVoltage
0.999 No-fire @ 95% ConfidenceLevel at +160°F
EMI Designed to MIL-STD-461 Testing in process
Charging Time 0.5 Seconds Resistively Limited - Could BeReduced To Meet Specific Needs
Firing Delay 4ms ± 0.25ms Improved Bus Speed (2X) is inDevelopment
Cable Length Greater than 100 feet Minimum 2X Firing Energy MarginIndependent of Cable Length
Operating Temperature Range -65°F to 165°F Tested -90°F to 170°F
Vibration Designed to meet typical aerospacevibration environments Testing in process
Shock Designed to meet typical aerospaceshock environments Testing in process
Initiator Output NSI Equivalent (118mg ZPP) Detonation or Other Squib OutputsEasily Accomodated
Size and MassInitiator 0.8 in. dia x 1.8 in, 1.25 oz.Space Bus Controller 4.5 in. x 4.0 in. 2.5 in., 1.75 lbTactical Bus Controller 4.5 in. x 2.5 in. x 1.25 in., 0.5 lb
Can Be Re-Packaged To MeetSpecific Needs
10Ensign-Bickford Aerospace & Defense Company
WizOrd TM Measured DataTotal Current per Initiator, Safe and Armed State
0.0
0.5
1.0
1.5
2.0
-80 -60 -40 -20 0 20 40 60 80 100
Temperature (°C)
To
tal C
urr
ent
(mA
)
Max
Min
Initiators Have Very Low Current Draw
11Ensign-Bickford Aerospace & Defense Company
WizOrd TM Measured DataCapacitor Voltage, Arming Voltage = 18.0V
0.0
4.0
8.0
12.0
16.0
20.0
-80 -60 -40 -20 0 20 40 60 80 100
Temperature (°C)
Mea
sure
d C
apac
ito
r V
olt
age
(V)
MaxMin
Capacitor Voltage is Constant OverTemperature
12Ensign-Bickford Aerospace & Defense Company
WizOrd TM Measured DataArming Time
0
100
200
300
400
500
-80 -60 -40 -20 0 20 40 60 80 100
Temperature (°C)
Arm
ing
Tim
e (m
s)
MaxMin
Arming Time is Constant OverTemperature
13Ensign-Bickford Aerospace & Defense Company
WizOrd TM Measured DataFiring Delay
0.0
1.0
2.0
3.0
4.0
5.0
-80 -60 -40 -20 0 20 40 60 80 100
Temperature (°C)
Fir
ing
Del
ay (
ms)
MaxMin
Firing Delay is Constant OverTemperature
14Ensign-Bickford Aerospace & Defense Company
WizOrd TM Program Statusu Prototype System Delivered to NASA
u One Prototype Bus Controller with PC Based Control Softwareu 10 Initiators
u Validation Test System Delivered to NASAu Two Flight Bus Controllersu 20 Initiatorsu Validation Test Baseline
u Thermal Cycleu Vibrationu Shocku Thermal Vacuumu EMIu Salt Fog
15Ensign-Bickford Aerospace & Defense Company
WizOrd TM Program Statusu EBA&D Validation Testing
u Thermal Cycle (-65°F to +165°F)u Extended Temperature Testing (-90°F to +170°F)
u All Performance Characteristics Measured
u All-Fire at -65°Fu No-Fire at +160°Fu Preliminary Conducted EMI (CS101)u Fault Simulation
u Controller Faultsu Initiator Faultsu Bus Faults
16Ensign-Bickford Aerospace & Defense Company
WizOrd TM Summaryu WizOrdTM Intelligent Initiation System
u Smalleru Lighteru Lower Poweru Flexibleu More Capable
u Simple Control Interfaceu Squib or Detonation Outputu Two Bus Controller Configurations Presently Availableu Extensive Testing Has Been Performedu Development System Available
WizOrdTM - Enabling Advanced Ordnance Systems
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