LSV2 Charger Remote Control

Design Team: (from the left)

Branden Carpenter Wayne RomineJon StokerDr. Hess (Advisor)Maggie RichardsonDr. Donohoe (Advisor)

2Team Zap Gap - LSV2 Charger Remote Control

3Team Zap Gap - LSV2 Charger Remote Control

For thousands of years mankind has sailed the oceans.Only in the last century have we sailed beneath the

surface.Undersea Warfare is an area of great technological

growth.The US Navy operates a battery-powered large scale

model submarine to study acoustic and hydrodynamic characteristics

Presently a Charging technician to monitor and manually control the charge process at the individual chargers (7 Propulsion and 1 Instrumentation)

The goal of this project is to develop a computer-controlled system to improve the efficiency of charging the batteries

Intro

4Team Zap Gap - LSV2 Charger Remote Control

Utilize the existing chargers without modifying them directly

Determine a reliable method of remotely articulating the functions of the chargers

Design a Graphical User Interface to control and display charger output

Project

5Team Zap Gap - LSV2 Charger Remote Control

LSV2, USS Cutthroat, is a self-propelled fully autonomous research submarine.Bayview, ID on Lake Pend OreilleTest platform for hydro acoustic and

hydrodynamic analysis205 ton 10’ diameter111’ lengthRepresents Virginia Class SubmarinesNamed in 1997 by Athol Elementary School for

the indigenous Idaho fish.

Background

6Team Zap Gap - LSV2 Charger Remote Control

Interface via serial connectionRS-232 ( also configurable for RS-485 protocol)Via a computer workstation

Control of Chargers via a Graphical User Interface (GUI)Assembled using Windows Visual Studio 2008Communication ports are configurable to those

available at the PCMOXA CP-118EL

Gives eight additional COMM ports to give each charger a dedicated signal path.

Adds channel specific control for the user interface program

Solution

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System Block Diagram

PC

Chargers

Serial Interface

(A2D)

Monitor(GUI)

Serial COMM port

(MOXA)

Cables(STP RS-

232)

Power to

Battery Strings

•Button Clicked in GUI•SCPI Command sent via RS-232•Serial A to D interface changes output•Power level connected to Batteries is adjusted •Propulsion: 1680,

2V, Valve Regulated Lead Acid Batteries (VRLA)•Instrumentation: 186 2V VRLA Batteries

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Connections

A to D/ D to A board inside charger

ICS (4861/2361)

COMM Port Expander

(MOXA CP-118EL)

8

PC w/ PCIe 1x-16x

DB9 cable connections

to J4 10 pin header

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ICS Electronics (A to D/ D to A Board)

J4: RS 485/ RS 232 10-pin header

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GUI Design

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GUI Design: Simple View

12Team Zap Gap - LSV2 Charger Remote Control

GUI Design: Advanced View

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Bench TestingEnsured the proper

interaction of the A to D card and charger outputs

Generated flow diagrams for coding of the GUI

Verified the digital command fidelity in the EMI noise of the U of I power lab

Test performed on charging units at the Bayview Naval Base

Commands used during a charging profile were tested successfully

Returned data (voltage and current output level) was incorrect Calibration procedure of

the analog to digital branch of the ICS electronics board should fix this error

Hardware Test

Onsite Test

Team Zap Gap - LSV2 Charger Remote Control

Project DeliverablesDetailed installation instructionsParts for installation

MOXA CP-118EL serial boardRequires a PCI express slot on motherboard

DB9 serial connectorsSoftware package to control the systemDocumentation and Instructions

Installation CalibrationOperating

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