the army’s enhanced portable inductive artillery fuze...

ARDEC

Providing America Advanced Armaments for

Peace and War

THE ARMY’S ENHANCED PORTABLE INDUCTIVE ARTILLERY FUZE

SETTER (EPIAFS)PRESENTED TO THE NDIA FUZE SYMPOSIUM

APRIL 7, 2005

TOM WALKERCCommittedommitted TTo o EExcellencexcellence

• Sponsor: PM-Excalibur LTC ColeDPM: Chris GrassanoPOC: Mike Burke

• System: Tom Coradeschi• Platform Integration: Allison Marston• User: Ft Sill

POC: Steve Pearson• Software

– Andy Leshchyshyn– Craig Freed– Fred Taverni

• Mechanical– George Eckstein– Jim Hartranft– Spencer Hum– Jr. Knisley

• Electrical– Debbie Calomiris– Len Goodman– Hai Pham– Fred Oliver– Mary Labib – James Wiltz– Tom Walker– Jerry Frazier

EPIAFS TEAM

2

EPAIFS NDIA 2005.ppt

EPIAFSGun/Target LocationsGPS Data, Keys &

Precise TimePower

EPIAFS to SupportExcalibur

3


TrajectoryOptimized for

Range

Canards Steer Projectile

Canards Deploy GPS Acquisition and Track

GPS satellite

Target

Targeting info

FO

LW155 w/TADFire Control

AFATDS

PIKEPIAFS SYSTEM

• PLATFORM INTEGRATION KIT (PIK)– Single board

computer– Interface circuit

• SETTER and Cable

EPIAFS utilizesDAGR

SETTER

4


CABLE

5


EPIAFS Host: M777E1

Communication Location

Assembly (CLA)PIK goes here inside CLA

6


Setter

Host System Fire Control

Exc

alib

ur

Inductive coupling

Host System Communication

Location Assembly

Cable

Interface at rear of gun

Cable

Cable

Cable

DAGR Host System Navigation

Cable

Res

et

AA

Bat

tery

Battery

Host System Power

Key

Fill

Zero

Key

s

Mating Rear Connector

Platform Integration Kit

Rear Connector

AFATDS w/NABK

Radio Frequency connection or cable

as back-up

KeyItalics = items managed by PM Excalibur

= items common with Paladin

Host Ethernet

Port

Antenna

Power (4)Power (6)

Excalibur System Integrated into JLW155

PIK in CLA with ‘Rack-and-Panel’ Connector

7


Key Zero switchPIK Reset switch

Slide to help assemble PIK into place GPS

Antenna

Front hold-down screw

8


PIK FUNCTIONS• Formats and sends all

XM982 initialization data and TMP’s through Setter

• Passes Standard Fuze Data to Setter

• Interfaces with Host system

• Interfaces with Key Loader

• Stores black GPS crypto keys and Audit Trail

• Interfaces with SPORT or MSD

Rear connector

Interface card AA Battery cap

Zero swReset swKey fill

9


PIK BLOCK DIAGRAM

10pps

ZERO keys

AA Lithium

I/O

SBC

Serial A(RS-232)

Serial 1(RS-422)

Serial D(CMOS)

key audit trail

(flash)

Serial B(RS-232)

Ethernet

Serial C (CMOS)

Serial 2(CMOS)

Host FCSKey Fill

PIK INTERFACE CARD

Tamper sw

XM982 tx/rx data

Setter comm

Regulators

5v, 3.3v

Key micro

RS-422 drivers/receivers

System Reset

Reset

SPORT

DAGR (COM 3)

SETTER

Host Power

Rear Connector

Line Filter

PIK HardwareCover Assembly

10


Box Assembly

Single Board Computer

Interface Board assembly

Board mount

PIK SINGLE BOARD COMPUTER• ADS “AGX” COTS• low power• 32M flash• 32M DRAM• 7 serial ports• Ethernet• 5”x7” size• LINUX OS

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SETTER FUNCTIONS• Interface with PIK• Interface with

standard fuzes and XM982

• Convert XM982 data stream to power/data format

• Interface with user via 3 switches and LCD

• Un-cabled setting for standard fuzes Bumper

Faceplate assembly

Battery compartment

12


SETTER BLOCK DIAGRAM

13


DC/DCCONV.

15V DC/DCCONV.

BATTERYPOWER

5V DC/DCCONV.

EEPROM & RESET

MICRO-CONTROLLER

RS-422DRIVER

USER INPUTS• INC• DEC• ENTER

LCD,HEATER,

BACKLIGHT

STANAG COIL

DRIVER

COILDEMOD.

STANAGCOIL

TEMPERATURESENSOR

ON/OFF SWITCH

PWM

A/D

SPIUART

2.5 v ref

TUNING CAPS

I/O

I/OPIK-Setter COM

XM982 pwr/data

+ 28 v

DATA & PWR DRIVER

XM982 COIL

RX CKT

ALTERA PLD LOGIC

DAMPINGI/O

28 V switch28 v EN

regulators

982/std

Battery compartmentSETTER Hardware

14


Setter Box Assembly

Setter Board Assembly

Cable Connector

Battery Cap

Setter Board Cage

D Cell BatteriesFaceplate

SETTER MODES

15


• Uncabled– Acts just like original PIAFS– Standard Fuze capable

• Cabled Manual– Same functionality as

Uncabled– Receives power externally

• Cabled Remote– Receives commands from

PIK– Standard and GPS Fuze

capable

16


EPIAFS Software Status• PIK SBC

– Written in C++– 23,500 lines of code– Field upgrade feature for PIK demonstrated – Transition from MPE-S to DAGR completed– Software approx 95% complete

• Still need to implement additional diagnostic capabilities

• PIK Key Micro– Code written in C– Application completed

• SETTER– Written in C– 11,700 lines of code– Software approx 95% complete

• Currently working on capability to field upgrade17


EPIAFS POWER BUDGET

• PIK– SBC: 2 watts– Interface board: 1 watt

• SETTER– Standby mode: 1/4 watt– Set Std fuzes: 1 watt for 3 sec– Cold temp: + 4 watts (LCD heater)– Set XM982: + 90 watts for 10 sec

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ACCOMPLISHMENTS

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• EPIAFS SRR - June 2003 • EPIAFS brass-board complete - Nov 2003• Brass-board inductive set GNU 1.0 - Dec 2003• Convert EPIAFS design to utilize DAGR - Jan 2004• EPIAFS PDR - Feb 2004• EPIAFS Prototype hardware build begins - June 2004• Modify coil driver for 606 ns data waveform - Sept 2004• Set “digital only” GNU 2.0 - Sept 04• EPIAFS Prototype inductive set GNU 1.0 - Nov 2004• GNU 2.0 (data MSB first) pass digital-fail inductive - Dec 2004• Setter Prototype LCD delivered - Dec 2004• Receive GNU 2.0 (data LSB first) - Jan 2005• EPIAFS Prototype inductive set GNU 2.0 - Feb 2005

PLANS

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• Complete EPIAFS Prototype Build• Test EPIAFS with JLW-155 DAGR

and Talin• Substitute H-Drive Coil Circuit• Assist EPIAFS integration in JLW-155• Environmental Test EPIAFS• Update EPIAFS Design• Fabricate EPIAFS Qualification Units• Support JLW FQT

the army’s enhanced portable inductive artillery fuze...

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