Company(ผูบ้รรยาย):

NISHIO RENT ALL Co.Ltd.

Technical Name(หวัขอ้เทคโนโลย)ี:

3D Machine Control system (Motor grader)

ระบบการควบคุมเครือ่งจกัรแบบ3มติ(ิMotor Grader)

Presenter:

小林 雅佳

Masayoshi Kobayashi

(NISHIO RENT ALL(Thailand)Co.Ltd.)

47

48

3D M

achi

ne C

ontr

ol s

yste

m (

Gra

der)

1

・C

onte

nts

1.W

hat i

s M

achi

ne C

ontr

ol (

MC

) S

yste

m

2 . B

enef

its o

f MC

met

hod

3. C

urre

nt S

ituat

ion

2

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

1.W

hat i

s M

achi

ne c

ontr

ol (

MC

) sy

stem

The

dig

ital m

odel

is r

un o

n a

rugg

ediz

ed c

ompu

ter

The

com

pute

r co

ntro

ls th

e bl

ade

edge

of m

achi

ne

The

elim

inat

ion

of s

trin

g lin

es a

nd m

anua

l gra

de c

heck

ing

3

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

・Ja

pan

case

(i-C

onst

ruct

ion)

M

inis

try

of L

and,

Infr

astr

uctu

re, T

rans

port

and

Tou

rism

anno

unce

d in

201

5

i-Con

stru

ctio

n

Des

ign

Sur

vey

Con

stru

ctio

nIn

spec

tion

※ht

tp://

ww

w.m

lit.g

o.jp

/com

mon

/001

1119

76.p

df

・A

ctiv

atin

g 3D

dat

a w

hole

wor

k in

job

site

・W

ithin

202

0, A

ll pu

blic

wor

k w

ill b

e do

ne w

ith th

is m

etho

d

4

49

・C

urre

nt s

ituat

ion

of T

haila

nd’s

Infr

astr

uctu

re in

vest

men

t

5

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

・Lac

k of

eng

inee

rco

mpa

ring

infr

astr

uctu

re

inve

stm

ent a

mou

nt(e

x. R

ailw

ay, H

ighw

ay, A

irpor

t etc

…)

・D

iffic

ult t

o ac

hiev

e th

e le

ad ti

me/

acc

urac

y b y

con

vent

iona

l way

MC

sys

tem

com

pens

ate

for

the

abov

e th

ings

MC

Sys

tem

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

・S

yste

m o

f Mac

hine

con

trol

2 di

men

sion

s（La

ser

Sys

tem）

Hea

vy m

achi

ne ty

peM

otor

gra

der,

Bul

ldoz

er, P

aver

, Mill

ing

Mac

hine

, etc

…

3 di

men

sion

s(G

PS

/mm

GP

S）

Tota

l Sta

tion

6

・C

onfig

urat

ion

diag

ram

(3D

MC

mm

GP

S)

Som

e sp

ecia

l par

ts a

re r

equi

red

7

1.W

hat i

s M

achi

neC

ontr

ol S

yste

m

0.05

mC

ut0.05

mC

ut

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

・M

echa

nism

(2D

MC

)

Bla

de is

mov

ed o

n th

e ba

se o

f las

er le

vel

2DM

C s

yste

m c

anno

t be

used

in th

e cu

rve

area

8

50

GP

S p

ositi

onin

g ca

n de

term

ine

whe

re th

e G

rade

r’s

blad

eis

on

the

wor

ksite

I am

her

e

X=1

00, Y

=100

, Z=9

.54

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

・M

echa

nism

(3D

MC

)W

ith th

e lo

catio

non

the

wor

ksite

kno

wn,

the

job

plan

s de

term

ine

the

desi

gn e

leva

tion

at th

at lo

catio

n.

Des

ign

Ele

vatio

n 9.

45m

(X

=100

, Y=1

00)

I am

her

e

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

・M

echa

nism

(3D

MC

)

•D

eter

min

es th

e de

sign

ele

vatio

n fr

om

the

job

plan

s

•M

easu

res

the

blad

eed

ge e

leva

tion

•C

alcu

late

s th

e am

ount

of C

ut o

r F

ill

•C

omm

ands

the

hydr

aulic

con

trol

val

ve

to p

ositi

on th

ebl

ade

edge

at d

esig

ned

leve

l

=0.

09m

Cut

9.54

m9.

45m

Des

ign

elev

atio

n =

9.45

m

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

blad

eed

ge e

leva

tion

=

9.54

m

・M

echa

nism

(3D

MC

)

11

RT

K-G

NS

S R

ecei

ver

+

Laze

r R

ecei

ver

RT

K-G

NS

S B

ase

Set

on

Con

trol

Poi

ntLa

zer

Zon

e

Set

on

Con

trol

Poi

nt

・O

vera

ll vi

ew (

3DM

C m

mG

PS

Sys

tem

)

Rov

er

(Gra

der)

Sen

d co

rrec

tion

data

by R

adio

Sen

d le

vel d

ata

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

12

51

Adv

anta

ges

of (

mm

) G

PS

Sys

tem

Rad

io (

Rad

ius

aro

und

2km

)

Zon

e La

ser

(R

adiu

s a

roun

d 20

0m)

RT

K-G

NS

S H

±15

mm

mm

GP

SH

mm

acc

urac

y

・Wor

k ra

nge

of 3

DM

C(m

mG

PS

) S

yste

m

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

13

Civ

ilC

AD

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

・3D

dat

a (R

oad

cons

truc

tion)

Hor

izon

tal d

esig

n1.

Ele

men

t of e

ach

curv

e2.

Dat

a of

eac

h co

nstr

uctio

ni.e

.) P

reca

st L

type

wal

l

Ver

tical

des

ign

1. E

lem

ent a

nd e

leva

tion

of v

ertic

al2.

Ele

men

t of h

oriz

onta

l, cu

t/fill

and

etc

Cro

ss s

ectio

n de

sign

1. H

ow to

cha

nge

the

slop

e in

a c

urve

2. W

idth

in a

cur

ve3.

Des

ign

for

each

sur

face

14

1.W

hat i

s M

achi

ne C

ontr

ol S

yste

m

・D

esig

n da

ta fo

r 3D

MC

sys

tem

3D d

esig

ned

data

is u

sual

ly c

onve

rted

from

maj

or 3

D C

AD

sof

twar

e

La

nd

XM

L

15

2.B

enef

its o

f MC

sys

tem

・A

bout

Con

stru

ctio

n m

anag

emen

t

2.B

enef

its o

f MC

sys

tem

Ris

e th

e w

ork

effic

ienc

y of

sur

vey

Pay

back

the

stak

ing

cost

Pay

bac

k th

e m

ater

ial c

ost

Ris

e th

e pr

oduc

tion

16

52

Bin

der

cour

se(M

ixin

g as

phal

t/Con

cret

e)

Sur

face

cou

rse

(Mix

ing

asph

alt/C

oncr

ete)

Bas

e co

urse

(Cru

shed

roc

k)

Sub

bas

e co

urse

(Cru

shed

roc

k /

Gra

nite

sto

ne)

Sub

-gra

de(S

and)

Fill

ed u

p gr

ound

(Roa

d bo

dy)

(Soi

l)

Req

uire

d su

rfac

e ac

cura

cy

Hig

h

Low

30～

50m

m

50～

150m

m

50～

200m

m

100～

300m

m

1m~

Ove

r 2m

~

・A

bout

the

cost

of M

ater

ial

*Sam

ple

(At r

oad

cons

truc

tion

wor

k si

te in

Tha

iland

)

How

muc

h co

st (

)

Bat

h / C

ubic

met

er

How

muc

h co

st …

How

muc

h co

st …

How

muc

h co

st…

How

muc

h co

st …

↓T

hick

ness

2.B

enef

its o

f MC

sys

tem

How

muc

h co

st …

17

Req

uire

d su

rfac

e ac

cura

cy

Hig

h

Low

・M

otor

gra

der

wor

k R

ange

(T

haila

nd)

(At r

oad

cons

truc

tion

wor

k si

te in

Tha

iland

) 2.B

enef

its o

f MC

sys

tem

Sur

face

cou

rse

(Mix

ing

asph

alt/C

oncr

ete)

Bas

e co

urse

(Cru

shed

roc

k)

Sub

bas

e co

urse

(Cru

shed

roc

k /

Gra

nite

sto

ne)

Sub

-gra

de(S

and)

Fill

ed u

p gr

ound

(Roa

d bo

dy)

(Soi

l)

Bin

der

cour

se(M

ixin

g as

phal

t/Con

cret

e)

18

If yo

u ca

n w

ork

by ±

7mm

acc

urac

y

＊sa

ve th

ickn

ess

13m

m

＊sa

ve th

ickn

ess

33m

m

＊sa

ve th

ickn

ess

43m

m

＊sa

ve th

ickn

ess

43m

m

Req

uire

d su

rfac

e ac

cura

cy

±20

mm

±40

mm

±50

mm

m

ore

±50

mm

mor

e

・P

ay b

ack

the

mat

eria

l cos

t *S

ampl

e(I

n ca

se y

ou u

se m

mG

PS

mot

or g

rade

r sy

stem

)

2.B

enef

its o

f MC

sys

tem

50～

200m

m

1 00～

300m

m

1 m~

Ove

r 2m

~

Bas

e co

urse

(Cru

shed

roc

k)

Sub

bas

e co

urse

(Cru

shed

roc

k /

Gra

nite

sto

ne)

Sub

-gra

de(S

and)

Fill

ed u

p gr

ound

(Roa

d bo

dy)

(Soi

l)

19

Tota

l sav

e 34

4,50

0Bat

h / k

m＊

calc

ulat

ed b

y ±

7mm

acc

urac

y , r

oad

wid

th 1

0m

1,00

0 (L

)×10

(W

)×0.

013

(Thi

ckne

ss)×

400

(Mat

eria

l)=

Sav

e 52

,000

Bah

t / k

m

1,00

0×1 0×

0.03

4×30

0 (M

ater

ial)

= S

ave

99,0

00B

aht /

km

1,00

0×10×

0.04

3×25

0 (M

ater

ial)

=S

ave

107,

500B

aht /

km

1,00

0×1 0×

0.04

3×20

0 (M

ater

ial)

= S

ave

86,0

00B

aht /

km

Req

uire

d su

rfac

e ac

cura

cy

±20

mm

±40

mm

±50

mm

m

ore

±50

mm

mor

e

・P

ay b

ack

the

mat

eria

l cos

t *S

ampl

e(I

n ca

se y

ou u

se m

mG

PS

mot

or g

rade

r sy

stem

)

2.B

enef

its o

f MC

sys

tem

Bas

e co

urse

(Cru

shed

roc

k)

Sub

bas

e co

urse

(Cru

shed

roc

k /

Gra

nite

sto

ne)

Sub

-gra

de(S

and)

Fill

ed u

p gr

ound

(Roa

d bo

dy)

(Soi

l)

20

53

・H

elp

Pav

er w

orki

ngW

hile

you

com

plet

ed w

ith h

igh

accu

racy

at b

ase

cour

se …

1) Y

ou c

an s

ave

the

mat

eria

l of B

inde

r co

urse

2) P

avin

g w

ork

beco

mes

eas

ily

(man

age

the

thic

knes

s on

ly)

3) L

ess

the

road

sag

ging

afte

r co

mpa

ctio

n(G

reat

ly im

prov

e th

e fla

tnes

s ) 2.

Ben

efits

of M

C s

yste

m

Bin

der

cour

se(M

ixin

g as

phal

t/Con

cret

e)

Sur

face

cou

rse

(Mix

ing

asph

alt/C

oncr

ete)

Bas

e co

urse

(Cru

shed

roc

k)

Sub

bas

e co

urse

(Cru

shed

roc

k / G

rani

te

ston

e)21

・P

ayba

ck th

e st

akin

g co

st

M

C s

yste

m s

ave

the

num

ber

of s

taki

ng o

ut (

3DM

C s

yst e

m is

mor

e)

Sur

veyo

r (M

ore

than

2 s

taff)

= 2

,000

Bah

t / d

ay

Num

ber

of

stak

e / k

m ＝

100

(In

case

of 3

sta

kes

by 1

cro

ss s

ectio

n , e

very

30m

spa

n)

Sta

kere

duce

d / 3

DM

C

=

90%

(2d

ays →

hal

f day

)S

urve

yor

redu

ced

/ 3D

MC

=

50%

(2

men

→ 1

man

)

Cos

t 1,0

00(O

ne m

an) ×

0.5

half

day

=50

0Bah

t

Sav

ing（

Bat

h）3,

500

/ km

Sav

ing（

Bat

h）/ k

m =

Sav

e B

aht /

km

Num

ber

of s

take

/ da

y ＝

50

Cos

t 4,

000

Bah

t

2.B

enef

its o

f MC

sys

tem

22

・R

ise

the

wor

k ef

ficie

ncy

of s

urve

y C

onve

ntio

nal m

etho

d

Use

Aut

o Le

vel t

o ch

eck

the

grou

nd le

vel m

any

times

23

2.B

enef

its o

f MC

sys

tem

24

・R

ise

the

wor

k ef

ficie

ncy

of s

urve

y M

C m

etho

d (3

DM

C)

Eve

ryw

here

, Cut

/Fill

val

ue C

urre

nt S

tatio

n, a

nd D

ista

nce

from

cen

ter

Line

2.B

enef

its o

f MC

sys

tem

54

•Abo

ut O

pera

ting

Saf

e in

the

dark

term

No

prob

lem

in c

ompl

ex d

esig

n ar

ea

Do

not n

eed

high

ope

ratio

n sk

ill

2.B

enef

its o

f MC

sys

tem

25

・C

onve

ntio

nal m

etho

d of

ope

ratin

g Insi

de o

f cab

in

Man

y Le

vers

!26

2.B

enef

its o

f MC

sys

tem

Line

s of

ope

rato

r’s s

ight

Sta

ke (

Ben

ch M

ark)

27

・C

onve

ntio

nal m

etho

d of

ope

ratin

g

2.B

enef

its o

f MC

sys

tem

・A

bout

Saf

ety

Asp

ect

Fle

xibl

een

try

path

way

of d

ump

truc

ks

Less

wor

ker

ente

r in

to jo

b si

te

Ope

rato

r ge

t a w

ider

vie

w

2.B

enef

its o

f MC

sys

tem

28

55

3.C

urre

nt s

ituat

ion

29

3.C

urre

nt s

ituat

ion

－E

ND

－

30

56