Aventech AIMMS-20 Manuale utente

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Rev: 1.00

Date: 11.11.2013

Page: 1 of 48

AIMMS-20

INSTALLATION MANUAL

Document-P/N: AIMMS20-IM

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AIMMS-20

Aircraft Integrated Meteorological

Measurement System

INSTALLATION MANUAL

Document-P/N: AIMMS20-IM

Aventech Research Inc.

110 Anne Street South, Unit 23

Barrie, Ontario, Canada L4N 2E3

Tel: (705) 722-4288

Fax: (705) 722-9077

Web: www.aventech.com

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AIMMS-20

INSTALLATION MANUAL

Document-P/N: AIMMS20-IM

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Issued

Date Name Signature Function

31.10.2013 Bruce H. Woodcock DE

Checked

Date Name Signature Function

08.11.2013 Bruce H. Woodcock DE

Approved

Date Name Signature Function

11.11.2013 Bruce H. Woodcock HD

Customer Approval (as required)

Date Name Signature Function

Table of Functions

CUST Customer

DE Design Engineer

HD Head of Design Engineering

PM Production Manager

QM Quality Manager

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AIMMS-20

INSTALLATION MANUAL

Document-P/N: AIMMS20-IM

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NOTICES

WARRANTY

Aventech Research Inc. products are warranted to be free from defects in material and

workmanship under normal use and service for a period of one year beginning on the

date of shipment. This warranty extends only to the original buyer or end-user customer

of an Aventech Research Inc. authorized reseller. This warranty does not apply to any

product which, in Aventech Research Inc’s opinion, has been misused, altered,

neglected, contaminated, or damaged by accident or abnormal conditions of operation

or handling.

Aventech Research Inc’s warranty obligation is limited, at Aventech Research Inc’s

option, to refund of the purchase price, free of charge repair, or replacement of a

defective product which is returned within the warranty period.

To obtain warranty service, return the product to the nearest Aventech Research Inc.

authorized reseller, or direct to the address provided below:

Aventech Research Inc.

110 Anne Street South, Unit 23

Barrie, Ontario, Canada L4N 2E3

Tel: (705) 722-4288

Fax: (705) 722-9077

E-mail: [email protected]

Shipping costs to Aventech Research Inc. are the responsibility of the end customer

(FOB Destination). Aventech Research Inc. assumes no risk for damage in transit.

Following warranty repair, the product will be returned to Buyer, transportation prepaid

(FOB Destination). If Aventech Research Inc. determines that failure was caused by

neglect, misuse, contamination, alteration, accident, or abnormal condition of operation

or handling, including overvoltage failures caused by use outside the product’s specified

rating, or normal wear and tear of mechanical components, Aventech Research Inc. will

provide an estimate of repair costs and obtain authorization before commencing the

work. Following repair, the product will be returned to the Buyer transportation prepaid

and the Buyer will be billed for the repair and return transportation charges (FOB

Shipping Point).

Aventech Research Inc. warrants that product firmware will operate substantially in

accordance with its functional specifications. Aventech Research Inc. does not warrant

that firmware will be error free or operate without interruption.

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The material contained in this document is provided “as is,” and is subject to being

changed, without notice, in future editions. Further, to the maximum extent permitted by

applicable law, Aventech Research Inc. disclaims all warranties, either express or

implied, with regard to this manual and any information contained herein, including but

not limited to the implied warranties of merchantability and fitness for a particular

purpose. Aventech Research Inc. shall not be liable for errors or for incidental or

consequential damages in connection with the furnishing, use, or performance of this

document or of any information contained herein. Should Aventech Research Inc. and

the user have a separate written agreement with warranty terms covering the material in

this document that conflict with these terms, the warranty terms in the separate

agreement shall control.

THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF

ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED

TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE. AVENTECH RESEARCH INC. SHALL NOT BE LIABLE

FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR

LOSSES, INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE OR THEORY.

or by any means (including electronic storage and retrieval or translation into a foreign

language) without prior agreement and written consent from Aventech Research Inc. as

governed by Canadian and international copyright laws.

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INSTALLATION MANUAL

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RECORD OF REVISIONS

Date Issue Page Paragraph Firmware

Revision Comments

31.10.2013 1.00 All All Preliminary Draft

11.11.2013 1.00 All All Release

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AIMMS-20

INSTALLATION MANUAL

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TABLE OF CONTENTS



1 INTRODUCTION .....................................................................................................................8

2 SYSTEM COMPONENT DESCRIPTIONS..............................................................................9

2.1VerifytheListofSuppliedComponents..............................................................................................9

2.2AirDataProbe(ADP).........................................................................................................................10

2.3InertialMeasurementUnit(IMU).....................................................................................................12

2.4GPSPhaseModule(GPS)..................................................................................................................12

2.5CentralProcessingModule(CPM)....................................................................................................13

2.6Communications...............................................................................................................................14

3 INSTALLATION INSTRUCTIONS .........................................................................................15

3.1AirDataProbe(ADP).........................................................................................................................15

3.1.1Under‐WingMountAirDataProbe...........................................................................................15

3.1.2Sting‐MountAirDataProbe.......................................................................................................16

3.2InertialMeasurementUnit(IMU).....................................................................................................18

3.3GPSPhaseModule(GPS)..................................................................................................................20

3.3.1GPSAntennas.............................................................................................................................20

3.3.2GPSPhaseModule.....................................................................................................................21

3.4CentralProcessingModule(CPM)....................................................................................................21

3.5Electrical/CommunicationsWiring..................................................................................................22

3.5.1GPSCoaxialAntennaCables......................................................................................................22

3.5.2ControllerAreaNetwork(CAN)Cables......................................................................................22

3.5.3PowerInputCable......................................................................................................................23

3.5.4RS‐232SerialCommunicationsCable........................................................................................23

4 GROUND TEST PROCEDURE.............................................................................................24

4.1ApplicationofPowertotheSystem.................................................................................................24

4.2AirDataProbe(ADP).........................................................................................................................24

4.3InertialMeasurementUnit(IMU).....................................................................................................24

4.4GPSPhaseModule(GPS)..................................................................................................................24

4.5CentralProcessingModule(CPM)....................................................................................................25

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AIMMS-20

INSTALLATION MANUAL

Document-P/N: AIMMS20-IM

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5 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS (ICA) ............................................26

5.1Pre‐FlightChecks...............................................................................................................................26

5.2OperationalChecks...........................................................................................................................26

5.3AircraftMaintenanceSchedule........................................................................................................26

5.4Troubleshooting................................................................................................................................27

5.5ServiceRemoval................................................................................................................................28

APPENDIX A: AIMMS-20 COMPONENT CAD DRAWINGS......................................................30

A.1Under‐WingAirDataProbe(ADP)....................................................................................................31

A.2StingMountAirDataProbe(ADP)....................................................................................................34

A.3InertialMeasurementUnit(IMU).....................................................................................................37

A.4GPSPhaseModule(GPS)andAntennas...........................................................................................40

A.4.1SensorSystemsS67‐1575‐39GPSAntennaDatasheet.............................................................43

A.4.2ANTCOM3G15A‐XT‐1GPSAntennaDatasheet........................................................................44

A.5CentralProcessingModule(CPM)....................................................................................................45

A.6AIMMS‐20WiringDiagram...............................................................................................................48

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AIMMS-20

INSTALLATION MANUAL

Document-P/N: AIMMS20-IM

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1 INTRODUCTION

The Aventech Research Inc. AIMMS-20 (Aircraft Integrated Meteorological

Measurement System) is an integrated, turn-key system for measuring accurate,

real-time meteorological data on airborne platforms. The meteorological data set

includes temperature, humidity, three-dimensional winds (speed, direction and

vertical) and turbulence. The data generated by the system is broadcast in real-time

via an RS-232 serial communications link to either a GPS navigation system or data

acquisition system.

This document provides a general description on how to install the AIMMS-20 on an

airframe and engineering information to support the subsequent approval process

with the appropriate certifying body.

Please note that the AIMMS-20 does not carry a Supplemental Type Certificate

(STC) and as such the customer is responsible for obtaining the required

airworthiness approval and / or certification for their aircraft category in order to

operate with the system on-board.

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AIMMS-20

INSTALLATION MANUAL

Document-P/N: AIMMS20-IM

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2 SYSTEM COMPONENT DESCRIPTIONS

The AIMMS-20 system consists of four modules in total, an Air Data Probe (ADP)

which is mounted external to the aircraft, an Inertial Measurement Unit (IMU), a

GPS Phase Module (GPS) and a Central Processing Module (CPM). The following

section of this manual lists the system components that should have arrived in your

shipment and describes each of them in order to familiarize you with the system.

2.1 Verify the List of Supplied Components

The first thing you will want to do is verify that you have received the following items

with your AIMMS-20. If anything is missing, please contact your approved reseller

or Aventech Research Inc. directly.

One Air Data Probe (ADP) [Under-Wing or Sting Mount Version].

One Inertial Measurement Unit (IMU).

One GPS Phase Module (GPS).

One Central Processing Module (CPM).

Two 3.5” diameter GPS antennas.

One cable set (3 CAN, 1 Power, 1 Serial).

This Installation Manual.

A copy of the AIMMS-20 Operating Manual.

A copy of the aimcfg PC-based software utility.

Figure 1: AIMMS-20 Under Wing Mount Components

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AIMMS-20

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Figure 2: AIMMS-20 Sting-Mount System Components

2.2 Air Data Probe (ADP)

The Air Data Probe is mounted external to the aircraft and is the component of the

AIMMS-20 which measures the three-dimensional flow vector relative to the aircraft

frame of reference, Outside Air Temperature (OAT) and Relative Humidity (RH) and

turbulence. Having knowledge of the atmospheric temperature allows the system to

calculate accurate True Airspeed (TAS) which can be subtracted from the total flow

vector to resolve the three-dimensional wind vector relative to the aircraft frame of

reference.

The three-dimensional flow vector is measured using a series of five pressure ports

located on the hemispherical nose the ADP’s measurement boom and a ring of

static pressure ports slightly aft of the measurement boom nose. Using this set of

pressure ports measurement of the barometric, pitot-static, differential angle-of-

attack and differential side-slip pressure measurements can be obtained which

define the three-dimensional flow vector.

OAT and RH measurements are made using a small 0.038” diameter bead

thermistor and thermoset polymer RH sensor respectively. Both sensors are located

in a reverse-flow chamber at the aft end of the probe to protect them from direct

impact with particulates and larger objects in the free stream flow.

With your AIMMS-20 system you will have received one of two Air Data Probe types

depending on the airframe for the planned installation, an under-wing version as

shown in Figure 1 or a sting-mount version as shown in Figure 2.

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