Subject: TAKENAKA
Date: Wed, 26 Jan 2000 08:42:24 -0600
From: "Imafuku, Nobuhiro" <Nobuhiro.Imafuku@mts.com>
To: "Larson, Rod" <Rod.Larson@mts.com>
CC: "Rood, Omar" <Omar.Rood@mts.com>, "Otsuka, Yutaka"
     <Yutaka.Otsuka@mts.com>

Hello, ROD san.

Are you in Minneapolis now ? Do you know where is OMAR now ? I have no
response from OMAR this week.
1.      We check pilot pressure today and try to adjust low pressure.
Finally, pilot pressure stay about 3000 psi when we supply low pressure
then high pressure. Low pressure set about 500 psi. But we still have
oscillation problem.
2.      As you already know, we have oscillation problem on both
actuators. We try to find reason and to fix this problem now. During
checking 100 ton actuator, we find $B!H(JValve Saturation Compensators$B!I(J
parameters are effect this problem especially X^4 & X^5 coefficient
parameters. But, we are not sure this function. Please explain this
function and we have some questions.
1)      We have two $B!H(JValve Saturation Compensators$B!I(J panel, But, we are
using $B!H(JServovalve A$B!I(J only, so we do not to need to use $B!H(JServovalve
B$B!I(J.
2)      Are these parameters related with $B!H(JFlow Gain Compensator$B!I(J
parameter ? If $B!H(JFlow Gain Compensator$B!I(J gain set $B!H(J0$B!I(J, are these
parameters effect ?
         <<...>>
3.      We can succeed to download TestStar IIs software today. We find
we need to change $B!H(JHardware Configuration$B!I(J file. We will check more
tomorrow.
4.      We still have calibration file problem. We can calibrate
$B!H(JLVDT$B!I(J on-site if needed, but we can NOT calibrate $B!H(JLoad Cell$B!I(J in
Japan because we do NOT have 100 ton master load cell. TAKENAKA will
start structure test on February 14th. So, we have time to send back
Minneapolis and to calibrate both $B!H(JLoad Cell$B!I(J in Minneapolis if we
will send back until February 8th.
Please reply any your comment by return.

REGARDS     FUKU
