JAPAN TAPPI JOURNALVol. 56, No. 3
March 2002 Abstracts
The Automatic Train Operation Equipment with Expert System
TDTSC，Mitsubishi Electric Corporation
Recently, the subway which required one-man operation has come to be constructed.
In the Automatic Train Operation system, it is important to operate the train
accurately. But the improvement of riding comfort and the energy
saving are attached to importance compared with before.
To achieve more highly developed operation ,and to satisfy such a demand,
we apply the expert system to the Automatic Train Operation system.
In this discourse, Automatic train Operation Equipment with Expert system
The Latest Report of Non-manufacturing Robots
Manufacturing Science and Technology Center, Chief Research Scientist HRP Department
MSTC (Manufacturing Science and Technology Center) is engaged in the following
project that aims to develop the two types of robots for non-manufacturing:
(1) A robot system for supporting at the nuclear disaster
This robot system was developed on the occasion of the JCO accident to execute countermeasures against calamities in place of people by means of remote control. This system consists of two "monitoring/surveying robots" that observe the situation of a disaster and work, three "light/medium/heavy work robots" that execute counter- measures at a disaster, one "heavy weight carrier robot", and the each remote control device. It is designed to make each robot collaborate on work under the critical situation such as the narrow space in nuclear facilities in addition to the high level radiation at the stricken area.
It is desirable that nuclear disasters will never occur, however, people would
be relieved if such kind of robots hurry to the scene of the accident.
(2) Development of a human-friendly humanoid robot
This project is to research how the biped robot system work in the actual scene. For two years since 1998, the base research called "platform" (the main body of a robot and its remote control device) had been developed. A three-year research plan to apply its work started in the 2000 fiscal year.
The main body of the robot was based on and revised a humanoid robot made
by Honda (P3). Its remote control device was developed to operate
with high presence as if a person were inside of a robot. Five
kinds of application of this robot are chosen to be developed for
carrying out dangerous work or what robots can do instead of men: "Plant
Facility Maintenance", "Care Service", "Operating
Industrial Vehicles", "Management of Buildings and Homes" and "Cooperative
All of people concerned are tackling the development to realize a dream-like
humanoid robot that can cooperate and coexist with human beings.
Use Experience of a Microwave Based Consistency Transmitter
Honsha Mill , Yoshinaga Div. , Daishowa Paper Mfg. Co., Ltd.
This paper introduces the operation experiences of a microwave based consistency
transmitter in the recycle board plant in Daishowa Yoshinaga mill.
The microwave based consistency transmitter has an advantage in the coarse
screening line because of having no projection. This time, we verified
the accuracy and the sensitivity compared with the existing rotating
Result for The Testing Regarding Pulp Consistency Meter
Process Control and Automation Committee，JAPAN TAPPI
Oji Engineering Co., Lt.
There are so many Pulp consistency meter for Pulp and Paper Industries．The
type of them are "rotary blade"，"blade"，"microwave"，"optical"．We
tested those 6-types of consistency mater that are installed on
the pipe line under the same conditions．
We used 3-types of pulp for this test（NUKP，LBKP and DIP)．And this tests were
such as "measurement for consistency change"，"measurement
for flow velocity change"，"measurement for pressure
change"，"measurement for clay add"．You will find
the result for the above tests．
Application of Quality Control Measuring Instruments in High DIP Use
Nippon Paper Industries Co.,Ltd．Kushiro Mill
Quality control of the deinked pulp, DIP plant has recently become more important
than before as recycled pulp use grows higher. Although ash content
and residual ink are also important factors in addition to brightness
among some quality indexes of DIP, it is hard to measure those
exactly and we have had no good measuring instruments until now.
In this paper we describe successful results of newly installed
retention meter RMi and brightness meter CORMEC, KAJAANI in the
various DIP process lines.
Experience of a New Grade Change Control System
Oji Engineering Co.,Ltd Yonago Division
We have applied a new grade change control to 1 M/C in Yonago mill. It was
originally developed by Oji paper and Yokogawa Electric Corporation
added some improvement to it. In this paper, we explain the difference
between the new grade change control and the old one and the effect
of the new control referring to the process of the improvement.
Besides, we also adopted the new caliper CD control and we report the control
method and effect of it.
FOUNDATION Fieldbus-Present Condition and Issues
Fushiki Mill Nippon Paper Industries Co.,Ltd
FOUNDATION Fieldbus was announced as "one of the greatest technological
innovation to the next generation". In Japan, FOUNDATION Fieldbus Association
was established in 1994, and standard application products have been released
Numbers of industrial plants using the Fieldbus system started their operation
in 1999, and also in Fushiki Mill, since "N-DIP modernize
construction" had been authorized in October 2000, we started
to investigate the system. The investigation was on these three
points: 1.Flexibility to extended industrial plants(=high leveled
adaptation), 2.Product repletion(=PID control function built in
Fieldbus products), 3.Integereation with DCS system(=possibility
through engineering from DCS system). Then, technical training,
designing, engineering, field test, and all kinds of simulation
had been enforced, and finally we have succeeded to operate the
system in April 15th 2001. Now, I would like to report the present
condition and issues of "New Fieldbus System".
Development of the Fault Report System
Mitsubishi Paper Mills, Ltd
The Fault Report System was developed and introduced into the No.5 coater
of the Hachinohe Mill in 1999. This system provides three useful
tools. First tool is for making a matrix-type fault report from
present fault data and second one is for making a similar report
from previous fault data. Third tool is for analyzing fault data.
Here we describe the purpose of introduction and the function of
The Actual Results of Smart Valve Controller (ND800)
Oji Paper Co., Ltd.
A control valve is important device in operation. However, we could judge
whether a valve was normal only by the result of the process value.
The automatic diagnostics system of the control valve by Intelligent
Positioner was introduced in Matsumoto mill.
As for preventing the sudden trouble of the valve, of course we
are expecting the reduction of the total cost in such cases as
the reduction of the maintenance cost.
Consideration of the Latest Technology for Drive Control
Yaskawa Siemens Automation & Drives Corp.
Recently, the application area of the variable speed drives for the paper
making plants are expanding and methods of application are changing
due to the rapid progress of inverter and servo technology.
On the other hand, the requirements toward the environment, such as correspondence
to the low noise, the decrease of the electromagnetic noise, repression
of the harmonic electrical current, become severe.
As consideration of the latest technology for drive controls of Yaskawa Siemens
Automation & Drives Corp., technology of synchronous drive
with MASTERDRIVES MC, technology of 3-level PWM control for environment
harmonic control with VARISPEED G7 are mainly described in this
papers. HOLLOW SHAFT AC SERVO DRIVES and inverter mounted SIMODRIVE
POSMO A DRIVES are briefly explained as advanced drive technology.
Remote Type Smart Positioner to Offer Solution in the field− Smart Valve Positioner Remote Type AVP3000 Alphaplus −
Valve ＆ Measurement Marketing Department，Yamatake Industrial Systems Co.,Ltd
Valve positioner in process control is required high reliability and the durability.
Because that the operation gives direct influence in a process
and the control valve itself being put with severe environment
condition. The Spread of Smart Positioner（Valve positioner which
carried a microprocessor in electro-pneumatic positioner) was hard
compared with Transmitter and Electro-magnetic flow meter. Recentry
Smart Positioner becomes use much as a result of having acquired
an experience, and Smart of Control valve progresses.
This report is introduces technology and feature of Remote type AVP3000 Alphaplus
which was developed in order to solve a problem in the field.
Test Methods of ISO Brightness and Color
Material Analysis Center, R & D Div., Oji Paper Co., Ltd.
Pulp and Paper Testing Committee, JAPAN TAPPI
Currently, there are two methods of brightness determination in JIS. One is
JIS P 8123 (Testing method for brightness by Hunter of paper and
pulp) and one is JIS P 8148 (Paper, board and pulps−measurement
of diffuse blue reflectance factor (ISO brightness)). JIS P 8123
was commonly used in Japan but was not popular in the world. In
order to globalize the standard, JIS P 8148:1993 was prepared based
on ISO 2470:1977 and revised at 2001 to adapt ISO 2470:1999. It
is important to popularize this method in the Japanese pulp and
There is no method of color determination in P sector of JIS. At present,
ISO 5631 (Paper and board−Determination of colour (C/2°)−Diffuse
reflectance method) is under translation to JIS by JAPAN TAPPI.
In this paper, the outline of JIS P 8148:2001 the determination of ISO brightness
and ISO 5631 the determination of color are described.
Development of Super Water-absorbent from Cellulosic Materials (3)-Improvement of water absorbency-
Yuehua Xiao and Gyosuke Meshitsuka
Laboratory of Wood Chemistry, Department of Biomaterial Sciences,Graduate School of Agricultural and Life Sciences, The University of Tokyo
Water absorbents were prepared from bleached hardwood kraft pulp by carboxymethylation
(CM-LBKP) and cross-linking with polyethylene glycol diglycidyl
ether having different chain length by two stages method. Water
retention value reached up to as high as 670 g/g for deionized
water, and 64 g/g for 0.9% saline solution (physiological saline).
Higher D.S. of carboxymethyl group of LBKP was advantageous for
a higher water retention value, when D.S ? 1.42. Water retention
value of cross-linked CM-LBKP decreased with the increase of the
amount of bound cross-linking agent.
Key words: cellulose, carboxymethyl cellulose, super water-absorbent, cross-linking, water retention value.