IIIIII IIIIIIII III IIIII llIlIIIIIIIOIIIIISIIIISI|2 IIIIIIIIII llllI IIIIII III l|l|l IlII
IIIIII I I I I I I I I I l IlI I I IOI I ISI I SI|2IIIIIIIIII l l I I I I I I l|l|l IlII United States Patent [19]
[11]
Patent Number:
Aberson
[45]
Date of Patent:
[54]
METHOD AND CONTROL APPARATUS FOR GENERATING ANALOG RECURRENT SIGNAL SECURITY DATA FEEDBACK
5,515,288 May 7, 1996
Primary Examiner-Emanuel T. Voeltz Assistant Examiner—Thomas Peeso
Attorney, Agent, or Firm—Edward Langer
[76] Inventor: Michael Aberson, Rehov Brener 22/1, Haifa, Israel, 32546
[57]
ABSTRACT
A microprocessor-based apparatus provided as a dedicated control unit, which enables a standard software protocol to
[21] Appl. N0.: 77,745 Jun. 18, 1993 I22] Filed: [51] Int. Cl.6 ...................................................... .. G06F 3/05 [52] US. Cl. .............................. .. 364/464.01; 364/474.l6;
with stable analog process data relating to recurrent pro cesses in businesses and utilities. The general method intro duced here provides secuiity criteria data in two functional
364/575; 340/825.08
monitoring of the input analog signal and interruptions
[58]
provide a digital presentation of security criteria associated
control loops: First, the I-criterion provides continuous
Field of Search ................................... .. 395/575, 650,
thereof, which are presented in time units. Second, the
395/915; 364/464.01, 474.16, 575; 340/825.06,
Q-criterion provides the input analog signal conversion in digital form, and identi?es the signal quality by determining
825.08
[56]
whether it falls within or deviates from a standard tolerance
References Cited PUBLICATIONS
range. In addition, a stochastic signal decomposition is performed to provide four 6-hour disjoint data ?les within a behavioristic control loop/each calendar day. The ?nal out
International Standard ISO-9004, International Organiza
put document is a rectangular digital format which can be
tion for Standardization p. 7.
“SPC May Really Become Process Control” Control Engrg.
adequately presented in printed or written form, enabling a fast response for local and strategic decision-making,
Jul. 1988, pp. 83-84.
including end user’s feedback and use in a capable of
“Computer-based relays protect distribution system”, Elect. World, Jan. l990/p. 51—52.
standard data highway protocol.
“SCADA System Outdated? Upgrade with EMS”, Elect.
World, Jan. 1990/pp.52~54.
11 Claims, 6 Drawing Sheets
RAW ANALOG DATA:
TEMPERATURE, VOLTAGE, PRESSURE, SPEED, AND THE OTHER DATA FROM
ORIGINAL INSTRUMENT/SENSOR/TRANSDUCER {/INPUT SIGNAL II
L
A/D CONVERTER COMPARATOR
T|ME—SCHEDULE CONTROLLER(CALENDAR, CLOCK, TIMERS, TIMING, 5V DC SOURCE)
I
OO
I
O6
12
I
I8
24
HRS
|
BUFFER (FOUR-SECTION MEMORY) I
I
I OUTPUT REPORTING BLOCK
\
/ 20
US. Patent
ac;
May 7, 1996
Sheet 1 of 6
5,515,288
5:? Lawmm:
E813$; 5%2 ¢ E @572 3502 €>
US. Patent
May 7, 1996
5,515,288
Sheet 2 of 6
RAW ANALOG DATA:
TEMPERATURE, VOLTAGE, PRESSURE, SPEED, AND THE OTHER DATA FROM
ORIGINAL INSTRUMENT/SENSOR/TRANSDUCER
/INPUT SIGNAL 11 T A/D CONVERTER
10
T,“
T \_ /16
COMPARATOR
T
TIME-SCHEDULE CONTROLLER(CALENDAR, CLOCK, TIMERS, TIMING, 55v DC SOURCE) \
|
i
O0
l
06
TT
I
T2
T T
18
T l
24
T T
BUFFER (FOUR-SECTION MEMORY) T
T
J
T
\J, /2O
I
T
OUTPUT REPORTING BLOCK
FIGB
HRS
\d /22
US. Patent
May 7, 1996
Sheet 3 0f 6
5,515,288
INPUT RAW DATA (ANALOG SENSOR/INSTR.) 11
START
RESET
F IGS
26
I
CALENDAR DATE
28
FILE
,
=
O+6HRS
HOUR=O/DATA UNITS ; i,q V” STD SIGNAL RANGE ; vNiAv
COUNTER HRS
38
I_-TINIER
MEMORY
(M850)
STORAGE BUFFER
I ’
YES
OUTPUT 4-GR0uP
75¢
coDED DATA
14
[A 44
A/D
6 TE'KQQAER
CONVERTER
INTERVAL)
I N° FILE
/
58
f 48
/ (F=F+1
Q~G0IINTER
HRS=O)
(+)——-—
=q>+1) ‘I /\52
( )Q-GDLINTER
(q
[11]
Patent Number:
Aberson
[45]
Date of Patent:
[54]
METHOD AND CONTROL APPARATUS FOR GENERATING ANALOG RECURRENT SIGNAL SECURITY DATA FEEDBACK
5,515,288 May 7, 1996
Primary Examiner-Emanuel T. Voeltz Assistant Examiner—Thomas Peeso
Attorney, Agent, or Firm—Edward Langer
[76] Inventor: Michael Aberson, Rehov Brener 22/1, Haifa, Israel, 32546
[57]
ABSTRACT
A microprocessor-based apparatus provided as a dedicated control unit, which enables a standard software protocol to
[21] Appl. N0.: 77,745 Jun. 18, 1993 I22] Filed: [51] Int. Cl.6 ...................................................... .. G06F 3/05 [52] US. Cl. .............................. .. 364/464.01; 364/474.l6;
with stable analog process data relating to recurrent pro cesses in businesses and utilities. The general method intro duced here provides secuiity criteria data in two functional
364/575; 340/825.08
monitoring of the input analog signal and interruptions
[58]
provide a digital presentation of security criteria associated
control loops: First, the I-criterion provides continuous
Field of Search ................................... .. 395/575, 650,
thereof, which are presented in time units. Second, the
395/915; 364/464.01, 474.16, 575; 340/825.06,
Q-criterion provides the input analog signal conversion in digital form, and identi?es the signal quality by determining
825.08
[56]
whether it falls within or deviates from a standard tolerance
References Cited PUBLICATIONS
range. In addition, a stochastic signal decomposition is performed to provide four 6-hour disjoint data ?les within a behavioristic control loop/each calendar day. The ?nal out
International Standard ISO-9004, International Organiza
put document is a rectangular digital format which can be
tion for Standardization p. 7.
“SPC May Really Become Process Control” Control Engrg.
adequately presented in printed or written form, enabling a fast response for local and strategic decision-making,
Jul. 1988, pp. 83-84.
including end user’s feedback and use in a capable of
“Computer-based relays protect distribution system”, Elect. World, Jan. l990/p. 51—52.
standard data highway protocol.
“SCADA System Outdated? Upgrade with EMS”, Elect.
World, Jan. 1990/pp.52~54.
11 Claims, 6 Drawing Sheets
RAW ANALOG DATA:
TEMPERATURE, VOLTAGE, PRESSURE, SPEED, AND THE OTHER DATA FROM
ORIGINAL INSTRUMENT/SENSOR/TRANSDUCER {/INPUT SIGNAL II
L
A/D CONVERTER COMPARATOR
T|ME—SCHEDULE CONTROLLER(CALENDAR, CLOCK, TIMERS, TIMING, 5V DC SOURCE)
I
OO
I
O6
12
I
I8
24
HRS
|
BUFFER (FOUR-SECTION MEMORY) I
I
I OUTPUT REPORTING BLOCK
\
/ 20
US. Patent
ac;
May 7, 1996
Sheet 1 of 6
5,515,288
5:? Lawmm:
E813$; 5%2 ¢ E @572 3502 €>
US. Patent
May 7, 1996
5,515,288
Sheet 2 of 6
RAW ANALOG DATA:
TEMPERATURE, VOLTAGE, PRESSURE, SPEED, AND THE OTHER DATA FROM
ORIGINAL INSTRUMENT/SENSOR/TRANSDUCER
/INPUT SIGNAL 11 T A/D CONVERTER
10
T,“
T \_ /16
COMPARATOR
T
TIME-SCHEDULE CONTROLLER(CALENDAR, CLOCK, TIMERS, TIMING, 55v DC SOURCE) \
|
i
O0
l
06
TT
I
T2
T T
18
T l
24
T T
BUFFER (FOUR-SECTION MEMORY) T
T
J
T
\J, /2O
I
T
OUTPUT REPORTING BLOCK
FIGB
HRS
\d /22
US. Patent
May 7, 1996
Sheet 3 0f 6
5,515,288
INPUT RAW DATA (ANALOG SENSOR/INSTR.) 11
START
RESET
F IGS
26
I
CALENDAR DATE
28
FILE
,
=
O+6HRS
HOUR=O/DATA UNITS ; i,q V” STD SIGNAL RANGE ; vNiAv
COUNTER HRS
38
I_-TINIER
MEMORY
(M850)
STORAGE BUFFER
I ’
YES
OUTPUT 4-GR0uP
75¢
coDED DATA
14
[A 44
A/D
6 TE'KQQAER
CONVERTER
INTERVAL)
I N° FILE
/
58
f 48
/ (F=F+1
Q~G0IINTER
HRS=O)
(+)——-—
=q>+1) ‘I /\52
( )Q-GDLINTER
(q
