Rol

f Ise

rma

nn

MO

DEL-

BASE

D F

AUL

T DE

TECT

ION

AND

DIAG

NOSI

S-

Stat

us a

nd A

pplic

atio

ns -

1. In

trod

uctio

n

2. M

odel

-ba

sed

faul

t det

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n m

etho

ds

3. F

ault

diag

no

sis

met

hods

4. A

pplic

atio

ns

-Ca

bin

pres

sure

out

flow

valve

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g be

havio

r of p

asse

nge

r ca

r-

Com

bust

ion

engi

ne

Rol

f Ise

rman

nD

arm

stad

t Uni

vers

ity of T

ech

nolo

gy

Rol

f Ise

rma

nn

Over

all p

roce

ss a

utom

atio

n sy

stem

Rol

f Ise

rma

nn

Supe

rvis

ion

met

hods

:

lim

it ch

ecki

ng:

sim

ple,

relia

ble,

rela

tive

larg

e to

lera

nces

di

rect

ly m

easu

red

sign

als

, onl

y de

tect

ion

ofl

arge

faults

n

o d

iagn

osis

Rol

f Ise

rma

nn

Supe

rvis

ion

met

hods

:

lim

it ch

ecki

ng:

sim

ple,

relia

ble,

rela

tive

larg

e to

lera

nces

di

rect

ly m

easu

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sign

als

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y de

tect

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ofl

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faults

n

o d

iagn

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ad

van

ced

faul

tdet

ectio

n m

etho

ds:

requ

irem

ents

?

e

arly

dete

ctio

nof s

mal

l fau

lts

fa

ult

diag

nosi

s in

com

ponents

(actu

ators

, pro

cess

, se

nso

rs, c

ontro

ller),

at l

east

with

an in

dica

tion

of s

mal

lest

ex

chan

geab

le u

nit

fa

ult

dete

ctio

n in

clo

sed

loo

ps

fa

ult

dete

ctio

n in

tran

sien

t sta

tes

Rol

f Ise

rma

nn

Supe

rvis

ion

with

faul

t dia

gno

sis

and

faul

t man

agem

ent

Rol

f Ise

rma

nn

Supe

rvis

ion

with

faul

t dia

gno

sis

and

faul

t man

agem

ent

Su

perv

isio

n-lo

op

Rol

f Ise

rma

nn

Met

hods

for

Fau

lt de

tect

ion

Sign

al b

ased

faul

t de

tect

ion

Mod

el-b

ased

Fau

lt de

tect

ion

Lim

it va

lue/

tren

dch

eck

Traje

cto

ry

supe

rvis

ion

Plau

sibi

lity

che

ckAn

alys

is o

f sig

nal

mo

dels

Anal

ysis

of p

roce

ss

mo

dels

Para

met

er

estim

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nSt

ate

es

timat

ion

Parit

y

equa

tions

Corr

elat

ion

Four

ier

anal

ysis

Wav

elet

anal

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Stat

istic

alev

alua

tion

Even

tTim

e su

perv

isio

n Surv

ey o

f fau

lt de

tect

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met

hods

Rol

f Ise

rma

nn

Faul

t det

ectio

n ba

sed

on

sig

nal m

odel

s

Cha

nge

dete

ctio

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Sign

al-b

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faul

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Nor

mal

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viour

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alyt

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ympt

oms

Thre

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Vibr

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Proc

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Faul

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Act

u-at

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Sen-

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UN

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Rol

f Ise

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ault

dete

ctio

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nd

diag

nosi

s w

ith s

igna

l mo

dels

and

pr

oces

s m

ode

ls

Cha

nge

dete

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Faul

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Dia

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Sign

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ode

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mal

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Thre

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Proc

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Proc

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mode

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Feat

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gen

era

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Faul

ts

Act

u-at

ors

Sen-

sors

UN

Y

Feat

ures

xr

,

,

Rol

f Ise

rma

nn

MO

DEL-

BASE

D F

AUL

T DE

TECT

ION

AND

DIAG

NOSI

S-

Stat

us a

nd A

pplic

atio

ns -

1. In

trod

uctio

n

2.Pr

oces

smo

del-b

ased

faul

t det

ectio

n m

etho

ds

3. F

ault

diag

no

sis

met

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4. A

pplic

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ns

-Ca

bin

pres

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out

flow

valve

-D

rivin

g be

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r of p

asse

nge

r ca

r-

Com

bust

ion

engi

ne

Rol

f Ise

rman

nD

arm

stad

t Uni

vers

ity of T

ech

nolo

gy

Rol

f Ise

rma

nn

Gen

eral

sch

eme

of p

roce

ss m

ode

l-bas

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etec

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d di

agno

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Rol

f Ise

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nn

(a) S

ISO

(sing

le-inp

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O (si

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Proc

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Rol

f Ise

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nn

(a) ab

rupt

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inci

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inte

rmitt

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Tim

e-de

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Rol

f Ise

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nnadd

itive

fau

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mu

ltipl

icativ

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ults

Basi

c m

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faul

ts

Rol

f Ise

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nn

Faul

t det

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n o

f a n

on-lin

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stat

ic p

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ss v

ia p

aram

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fo

r s

tead

y s

tate

s

Rol

f Ise

rma

nn

Line

ar d

ynam

ic p

roce

ss m

odel

s an

d fa

ult

mo

delli

ng

Rol

f Ise

rma

nn

Faul

t det

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n w

ith p

aram

eter

est

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tion

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thod

s fo

r dy

na

mic

pro

ces

ses

Rol

f Ise

rma

nn

Faul

t det

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n w

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for

dyna

mic

pro

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Rol

f Ise

rma

nn

Faul

t det

ectio

n w

ith p

arit

y equ

atio

ns fo

r dyn

am

ic p

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sses

Rol

f Ise

rma

nn

Proc

ess

mod

el-b

ased

met

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met

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n:

ada

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par

am

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tions

:

fix

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bser

vers

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man

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r: fix

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s

Proc

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Faul

t-D

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Faul

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App

licab

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plica

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ts,

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xcita

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t an

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all f

aults

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arily

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and

outp

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requ

ired

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, MIM

O)

Rol

f Ise

rma

nn

MO

DEL-

BASE

D F

AUL

T DE

TECT

ION

AND

DIAG

NOSI

S-

Stat

us a

nd A

pplic

atio

ns -

1. In

trod

uctio

n

2. M

odel

-ba

sed

faul

t det

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n m

etho

ds

3. F

ault

diag

no

sis

met

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4. A

pplic

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ns

-Ca

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r of p

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r-

Com

bust

ion

engi

ne

Rol

f Ise

rman

nD

arm

stad

t Uni

vers

ity of T

ech

nolo

gy

Rol

f Ise

rma

nn

Met

hods

of f

ault

diag

nosis

Rol

f Ise

rma

nn

MO

DEL-

BASE

D F

AUL

T DE

TECT

ION

AND

DIAG

NOSI

S-

Stat

us a

nd A

pplic

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1. In

trod

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4. A

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Com

bust

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engi

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Rol

f Ise

rman

nD

arm

stad

t Uni

vers

ity of T

ech

nolo

gy

Rol

f Ise

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nn

Actu

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Rol

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nn

Red

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Rol

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Theo

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Theo

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El

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Torq

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Rol

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Sign

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Dire

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Dis

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Mod

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Rol

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Test

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Pow

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Res

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Para

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Rol

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nn

MO

DEL-

BASE

D F

AUL

T DE

TECT

ION

AND

DIAG

NOSI

S-

Stat

us a

nd A

pplic

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ns -

1. In

trod

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n

2. M

odel

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sed

faul

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etho

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diag

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sis

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4. A

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pres

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pa

sse

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car

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mbu

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n en

gine

Rol

f Ise

rman

nD

arm

stad

t Uni

vers

ity of T

ech

nolo

gy

Rol

f Ise

rma

nn

Conc

lusi

ons

for v

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le s

uper

visi

on:

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mea

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teer

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A

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arn

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f Ise

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