7
Youmin Zhang Phone: 7912 7741 Office Location: FUV 0.22 Email: [email protected] http://www.cs.aue.auc.dk/~ymzhang/courses/ESIF/index.html FP8-4: Estimation and Sensor Information Fusion FP8-4: Estimation and Sensor Information Fusion Lecture 1 Review on Kalman Filters • Course outline • What is Kalman filter (KF) and applications of KF? • The discrete-time Kalman filter (DKF) • The continuous-time Kalman filter (CKF) • The Kalman filters for nonlinear systems 3 Lecture 1 Lecture 1 Lecture Notes on Lecture Notes on Estimation and Sensor Information Fusion Estimation and Sensor Information Fusion , by Y. M. Zhang (AUE) , by Y. M. Zhang (AUE) Course Outline Course Outline 1. Review on Kalman filter and its variants 2. Multiple-model based Kalman filters 3. Simultanuous state and parameter estimation: Two-stage Kalman filter 4. Introduction to sensor information fusion (I) 5. Introduction to sensor information fusion (II) and course summary 4 Lecture 1 Lecture 1 Lecture Notes on Lecture Notes on Estimation and Sensor Information Fusion Estimation and Sensor Information Fusion , by Y. M. Zhang (AUE) , by Y. M. Zhang (AUE) The Problem The Problem Why do we need Why do we need Kalman Kalman Filters? Filters? Measuring Devices Estimator Measurement Error Sources System State (desired but not known) External Controls Observed Measurements Optimal Estimate of System State System Error Sources System Black Box System state cannot be measured directly Need to estimate “optimally” from measurements

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Page 1: Optimal Estimate of System State Lecture 1 Observed ...users.encs.concordia.ca/~ymzhang/courses/ESIF/ESIF_Lect1_intro.pdf · Mathematical Techniques in Multisensor Data Fusion, Artech

You

min

Zh

ang

Pho

ne: 7

912

7741

O

ffice

Loc

atio

n: F

UV

0.2

2E

mai

l: ym

zhan

g@cs

.aau

e.dk

http

://w

ww

.cs.

aue.

auc.

dk/~

ymzh

ang/

cour

ses/

ES

IF/in

dex.

htm

l

FP

8-4:

Est

imat

ion

an

d

Sen

sor

Info

rmat

ion

Fu

sio

n

FP

8-4:

Est

imat

ion

an

d

Sen

sor

Info

rmat

ion

Fu

sio

n

Lec

ture

1Re

view

on

Kalm

an F

ilter

s•C

ours

e ou

tlin

e•W

hat

is K

alm

anfi

lter

(KF)

and

app

licat

ions

of

KF?

•The

dis

cret

e-ti

me

Kalm

anfi

lter

(DKF

)•T

he c

onti

nuou

s-ti

me

Kalm

anfi

lter

(CKF

)•T

he K

alm

anfi

lter

s fo

r no

nlin

ear

syst

ems

3Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Co

urs

e O

utl

ine

Co

urs

e O

utl

ine

1.R

evie

w o

n K

alm

an fi

lter

and

its v

aria

nts

2.M

ultip

le-m

odel

bas

ed K

alm

an fi

lters

3.S

imul

tanu

ous

stat

e an

d pa

ram

eter

es

timat

ion:

Tw

o-st

age

Kal

man

filte

r

4.In

trod

uctio

n to

sen

sor

info

rmat

ion

fusi

on (

I)

5.In

trod

uctio

n to

sen

sor

info

rmat

ion

fusi

on (

II)

and

cour

se s

umm

ary

4Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e P

rob

lem

T

he

Pro

ble

m ––

Wh

y d

o w

e n

eed

W

hy

do

we

nee

d K

alm

anK

alm

anF

ilter

s?F

ilter

s?

Mea

suri

ng

D

evic

esE

stim

ato

r

Mea

sure

men

tE

rror

Sou

rces

Sys

tem

Sta

te

(des

ired

but n

ot

know

n)

Ext

erna

l C

ontr

ols

Obs

erve

d M

easu

rem

ents

Opt

imal

E

stim

ate

of

Sys

tem

Sta

te

Sys

tem

Err

or S

ourc

es

Sys

tem

Bla

ck B

ox

•S

yste

m s

tate

can

not b

e m

easu

red

dire

ctly

•N

eed

to e

stim

ate

“opt

imal

ly”

from

mea

sure

men

ts

Page 2: Optimal Estimate of System State Lecture 1 Observed ...users.encs.concordia.ca/~ymzhang/courses/ESIF/ESIF_Lect1_intro.pdf · Mathematical Techniques in Multisensor Data Fusion, Artech

5Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

All

Ro

ads

Lea

d f

rom

Gau

ssA

ll R

oad

s L

ead

fro

m G

auss

1809

“ …

sin

ce a

ll ou

r m

easu

rem

ents

and

obs

erva

tions

are

no

thin

g m

ore

than

app

roxi

mat

ions

to th

e tr

uth,

the

sam

e m

ust b

e tr

ue o

f al

l cal

cula

tions

res

ting

upon

them

, and

the

high

est a

im o

f al

l com

puta

tions

mad

e co

ncer

ning

con

cret

e ph

enom

enon

mus

t be

to a

ppro

xim

ate,

as

near

ly a

s pr

actic

able

, to

the

trut

h. B

ut th

is c

an b

e ac

com

plis

hed

in

no o

ther

way

than

by

suita

ble

com

bina

tion

of m

ore

obse

rvat

ions

than

the

num

ber

abso

lute

ly r

equi

site

for

the

dete

rmin

atio

n of

the

unkn

own

quan

titie

s. T

his

prob

lem

ca

n on

ly b

e pr

oper

ly u

nder

take

n w

hen

an a

ppro

xim

ate

know

ledg

e of

the

orbi

t has

bee

n al

read

y at

tain

ed, w

hich

is

afte

rwar

ds to

be

corr

ecte

d so

as

to s

atis

fy a

ll th

e ob

serv

atio

ns in

the

mos

t acc

urat

e m

anne

r po

ssib

le.”

-F

rom

The

ory

of th

e M

otio

n of

the

Hea

venl

y B

odie

s M

ovin

g ab

out

the

Sun

in C

onic

Sec

tions

, Gau

ss, 1

809.

6Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Est

imat

ion

Bas

ics

Est

imat

ion

Bas

ics

•Pr

oble

m s

tate

men

t–

Obs

erva

tion

rand

om v

aria

ble

X

(Giv

en)

–T

arge

t ran

dom

var

iabl

e

Y

(U

nkno

wn)

–Jo

int p

roba

bilit

y de

nsity

f(

x,y)

(Giv

en)

•W

hat i

s th

e be

st e

stim

ate

yopt =

g(x)

whi

ch m

inim

izes

the

expe

cted

mea

n sq

uare

err

orex

pect

ed m

ean

squa

re e

rror

betw

een

yoptan

d y

?

•A

nsw

er: C

ondi

tiona

l Mea

ng(

x)=

E(Y

|X=

x)

•E

stim

ate

g(x)

can

be p

oten

tially

non

linea

r an

d un

avai

labl

e in

clo

sed-

form

.

•W

hen

X a

nd Y

are

join

tly G

auss

ian

g(x)

is li

near

.

•W

hat i

s th

e be

st li

near

est

imat

e yli

n =W

xw

hich

min

imiz

es

the

mea

n sq

uare

err

or ?

7Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Wie

ner

Filt

erW

ien

er F

ilter

1940

•W

iene

r-H

opf

Solu

tion:

W =

RY

X (

Rxx

)-1

•In

volv

es m

atri

x in

vers

ion

•A

pplie

s on

ly to

sta

tiona

ry p

roce

sses

•N

ot a

men

able

for

onl

ine

recu

rsiv

e im

plem

enta

tion

.

Sp

an

(X)

Y

Yli

n

8Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Kal

man

Kal

man

Filt

erF

ilter

1960

•T

he e

stim

ate

can

be o

btai

ned

recu

rsiv

ely.

•C

an b

e ap

plie

d to

non

-sta

tiona

ry p

roce

sses

.•

If m

easu

rem

ent n

oise

and

pro

cess

noi

se a

re w

hite

an

d G

auss

ian,

then

the

filte

r is

“op

timal

”.–

Min

imum

var

ianc

e un

bias

ed e

stim

ate

•In

the

gene

ral c

ase,

the

Kal

man

filte

r is

the

best

lin

ear

estim

ator

am

ong

all l

inea

r es

timat

ors.

•It

can

be

exte

nded

to n

onlin

ear

estim

atio

n –

exte

nded

Kal

man

filt

er (

EK

F)

1 11

11

kk

kk

kk

kk

xA

xw

yM

xv

+ ++

++

=+

=+

Pro

cess

Mod

el:

Mea

sure

men

t Mod

el:

ST

AT

E-S

PA

CE

MO

DE

L

Page 3: Optimal Estimate of System State Lecture 1 Observed ...users.encs.concordia.ca/~ymzhang/courses/ESIF/ESIF_Lect1_intro.pdf · Mathematical Techniques in Multisensor Data Fusion, Artech

9Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Wh

y D

o W

e N

eed

KF

?W

hy

Do

We

Nee

d K

F ?

A p

redi

ctio

n/co

rrec

tion

algo

rithm

use

d fo

r st

ate

estim

atio

nun

der

stoc

hast

icen

viro

nmen

t

KF

is u

sed

for:

Est

imat

ion

of a

val

ue w

here

mea

sure

men

ts a

re m

ade

in n

oisy

env

ironm

ents

(no

isy

inpu

t is

conv

erte

d to

less

no

isy

data

)

Pre

dict

ion

of ti

me

vary

ing

varia

ble

base

d on

a l

inea

r st

ate

mod

el (

base

d on

pre

viou

s m

easu

rem

ents

)

Dat

a fu

sion

(use

d fo

r ob

tain

ing

an e

stim

ate

of a

val

ue

who

se m

easu

rem

ent i

s ob

tain

ed fr

om d

iffer

ent s

ourc

es)

10Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Ho

w D

oes

It D

o It

?H

ow

Do

es It

Do

It ?

•T

he K

alm

anfil

ter

itera

tes

betw

een

two

step

s–

Tim

e U

pdat

e (P

redi

ct)

•P

roje

ct c

urre

nt (

k-1)

sta

te a

nd c

ovar

ianc

e fo

rwar

d to

the

next

tim

e st

ep (

k), t

hat i

s,

com

pute

the

next

a p

riori

estim

ates

.–

Mea

sure

men

t Upd

ate

(Cor

rect

)•

Upd

ate

the

a pr

iori

quan

titie

s us

ing

curr

ent

time

step

noi

sy m

easu

rem

ents

, tha

t is,

co

mpu

te th

e a

post

erio

ri es

timat

es.

•C

hoos

e K

k(K

alm

anga

in)

to m

inim

ize

erro

r co

varia

nce

()

ˆˆ

ˆk

kk

kk

kx

xK

zM

x−

−=

+−

11Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Co

mm

on

Ap

plic

atio

ns

Co

mm

on

Ap

plic

atio

ns

•T

rack

ing

mis

sile

s –

Tra

ckin

g m

ovin

g ob

ject

s•

GP

S•

Com

pute

r vi

sion

–E

xtra

ctin

g lip

mot

ion

from

vid

eo•

Dat

a fu

sion

/inte

grat

ion

–In

tegr

atio

n of

spa

tio-t

empo

ral v

ideo

seg

men

ts•

Rob

otic

s–

Rob

ust e

stim

atio

n an

d se

nsor

dat

a no

ise

redu

ctio

n•

Sta

te a

nd p

aram

eter

est

imat

ion

for

mon

itorin

g,

faul

t dia

gnos

is a

nd c

ontr

ol•

Dat

a sm

ooth

ing

and

curv

e fit

ting

•…

12Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Lin

ear

Lin

ear

Pla

nt

and

Mea

sure

men

t M

od

els

Pla

nt

and

Mea

sure

men

t M

od

els

Page 4: Optimal Estimate of System State Lecture 1 Observed ...users.encs.concordia.ca/~ymzhang/courses/ESIF/ESIF_Lect1_intro.pdf · Mathematical Techniques in Multisensor Data Fusion, Artech

13Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Est

imat

ion

Pro

ble

m

Est

imat

ion

Pro

ble

m --

Ob

ject

ive

Ob

ject

ive

Ob

ject

ive:

To

find

an e

stim

atio

n of

the

nst

ate

vect

or

rep

rese

nted

by

, a

line

ar fu

nctio

n of

th

e m

easu

rem

ents

th

at m

inim

izes

the

wei

ghte

d m

ean-

squa

red

erro

r

whe

re M

is a

ny s

ymm

etric

non

nega

tive-

defin

ite

wei

ghtin

g m

atrix

.

So

luti

on

?

ˆˆ

[]

[]

Tk

kk

kE

xx

xx

−−

kxˆ kx

,...,

,i

kz

z

14Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e D

iscr

ete

Th

e D

iscr

ete

-- Tim

e T

ime

Kal

man

Kal

man

Filt

erF

ilter

A r

epre

sent

atio

n fr

om G

A01

15Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e D

iscr

ete

Th

e D

iscr

ete

-- Tim

e T

ime

Kal

man

Kal

man

Filt

erF

ilter

A r

epre

sent

atio

n fr

om B

LK01

16Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e D

iscr

ete

Th

e D

iscr

ete

-- Tim

e T

ime

Kal

man

Kal

man

Filt

erF

ilter

Page 5: Optimal Estimate of System State Lecture 1 Observed ...users.encs.concordia.ca/~ymzhang/courses/ESIF/ESIF_Lect1_intro.pdf · Mathematical Techniques in Multisensor Data Fusion, Artech

17Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e T

he

Kal

man

Kal

man

Filt

er C

ycle

Filt

er C

ycle

Tim

e U

pdat

e(P

redi

ct)

Mea

sure

men

t Upd

ate

(Cor

rect

)

Adj

usts

the

curr

ent s

tate

est

imat

e

Pro

ject

s th

e cu

rren

t sta

te e

stim

ate

18Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Seq

uen

ce o

f O

per

atio

n o

f D

KF

Seq

uen

ce o

f O

per

atio

n o

f D

KF

19Le

ctur

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Lect

ure

1Le

ctur

e N

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ure

Not

es o

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Sen

sor

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rmat

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nd

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sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

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UE

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A S

imp

le E

xam

ple

A

Sim

ple

Exa

mp

le --

Tra

ckin

gT

rack

ing

1k

kk

xF

xw

+=

+

kk

kz

Hx

v=

+

1

10

0

10

00

00

1

00

01

xx

xx

ky

y

yy

kk

pp

tp

pw

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t

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+

=+

10

00

00

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x xx

ky

yk

yk

p pp

vp

p

p

=

+

X

Y(

,,

,)

kx

xy

yx

pp

pp

20Le

ctur

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Lect

ure

1Le

ctur

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otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

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Fu

sio

nE

stim

atio

n a

nd

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sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Act

ual

Est

imat

e

A S

imp

le E

xam

ple

A

Sim

ple

Exa

mp

le ––

Est

imat

ed v

s. A

ctu

alE

stim

ated

vs.

Act

ual

Page 6: Optimal Estimate of System State Lecture 1 Observed ...users.encs.concordia.ca/~ymzhang/courses/ESIF/ESIF_Lect1_intro.pdf · Mathematical Techniques in Multisensor Data Fusion, Artech

21Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e D

iscr

ete

Th

e D

iscr

ete

-- Tim

e T

ime

Kal

man

Kal

man

Filt

erF

ilter

An

Exa

mpl

e

22Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e D

iscr

ete

Th

e D

iscr

ete

-- Tim

e T

ime

Kal

man

Kal

man

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erF

ilter

An

Exa

mpl

e (c

ont)

–m

ore

exam

ples

in o

verh

eade

ran

d M

AT

LAB

23Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

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stim

atio

n a

nd

Sen

sor

Info

rmat

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Fu

sio

nE

stim

atio

n a

nd

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sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e D

iscr

ete

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e D

iscr

ete

-- Tim

e T

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Kal

man

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man

Filt

erF

ilter

Mea

s. u

pdat

e (c

orre

ctio

n)

Tim

e up

date

(p

redi

ctio

n)

24Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

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sor

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rmat

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nd

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sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Kal

man

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man

Filt

er v

s. R

LS

Filt

er v

s. R

LS

-R

LS(f

rom

F7-

1: S

yste

m Id

entif

icat

ion

cour

se)

Page 7: Optimal Estimate of System State Lecture 1 Observed ...users.encs.concordia.ca/~ymzhang/courses/ESIF/ESIF_Lect1_intro.pdf · Mathematical Techniques in Multisensor Data Fusion, Artech

25Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Kal

man

Kal

man

Filt

er v

s. R

LS

Filt

er v

s. R

LS

-K

F fo

r pa

ram

eter

est

imat

ion

(fro

m F

7-1:

Sys

tem

Iden

tific

atio

n)

26Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

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n a

nd

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sor

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stim

atio

n a

nd

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sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Th

e C

on

tin

uo

us

Th

e C

on

tin

uo

us --

Tim

e T

ime

Kal

man

Kal

man

Filt

erF

ilter

27Le

ctur

e 1

Lect

ure

1Le

ctur

e N

otes

on

Lect

ure

Not

es o

n E

stim

atio

n a

nd

Sen

sor

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rmat

ion

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sio

nE

stim

atio

n a

nd

Sen

sor

Info

rmat

ion

Fu

sio

n, b

y Y

. M. Z

hang

(A

UE

), b

y Y

. M. Z

hang

(A

UE

)

Tex

tbo

oks

Rec

om

men

ded

tex

tbo

oks

Rec

om

men

ded

tex

tbo

oks

[BL

K01

] Yaa

kov

Bar

-Sha

lom

, X. R

ong

Li, T

hiag

alin

gam

K

iruba

raja

n, E

stim

atio

n w

ith A

pplic

atio

ns to

Tra

ckin

g an

d N

avig

atio

n, W

iley-

Inte

rsci

ence

, Jun

e 8,

200

1, IS

BN

: 04

7141

655X

.[H

M04

] Dav

id L

. Hal

l, S

onya

A. H

. McM

ulle

n, M

athe

mat

ical

T

echn

ique

s in

Mul

tisen

sor

Dat

a F

usio

n, A

rtec

hH

ouse

P

ublis

hers

; 2nd

edi

tion,

Mar

ch 1

, 200

4, IS

BN

: 158

0533

353.

Op

tio

nal

tex

tbo

oks

/ re

fere

nce

sO

pti

on

al t

extb

oo

ks /

refe

ren

ces

[GA

01]

Moh

inde

rS

. Gre

wal

, Ang

us P

. And

rew

s, K

alm

anF

ilter

ing:

The

ory

and

Pra

ctic

e U

sing

MA

TLA

B, 2

nd E

ditio

n,

Wile

y-In

ters

cien

ce, J

anua

ry 2

001,

ISB

N: 0

-471

-392

54-5

.[H

L01

] Dav

id L

. Hal

l, Ja

mes

Llin

as, H

andb

ook

of M

ultis

enso

r

Dat

a F

usio

n, C

RC

Pre

ss J

une

20, 2

001,

ISB

N: 0

8493

2379

7.28

Lect

ure

1Le

ctur

e 1

Lect

ure

Not

es o

n Le

ctur

e N

otes

on

Est

imat

ion

an

d S

enso

r In

form

atio

n F

usi

on

Est

imat

ion

an

d S

enso

r In

form

atio

n F

usi

on

, by

Y. M

. Zha

ng (

AU

E)

, by

Y. M

. Zha

ng (

AU

E)

Rea

din

gs

The

dis

cret

e-tim

e K

alm

anfil

ter

(DK

F):

•B

LK

01: S

ectio

ns 5

.1-5

.3

•G

A01

: Sec

tions

4.1

-4.2

The

con

tinuo

us-t

ime

Kal

man

filte

r (C

KF

):•

BL

K01

: Sec

tions

9.1

-9.2

•G

A01

: Sec

tions

4.3

The

ext

ende

d K

alm

anfil

ter:

•B

LK

01: S

ectio

ns 1

0.1-

10.3

•G

A01

: Sec

tions

5.1

-5.7

Intr

oduc

tion

to K

alm

anfil

ter:

Wel

ch &

Bis

hop:

Pap

er; S

lides

•M

aybe

ck’s

book

(19

79)_

Cha

pter

1