ý۰ ڻ ַ

̺

ֱ ǰ ִ ʵ ý ׸ HART ϴ ýۿ ڻ (Evren.Eryurek@EmersonProcess.com : Emerson Process Management) Ͽ Ұմϴ.

÷Ʈ Ư ÷Ʈ ÷Ʈ ȿ ش. () Ų. μ پ ȣ ˻ ýۿ ̷Դ. ̷ ȣ ˻ μ ϴ Ʈͷκ ۵Ǵ Ϳ Ѵ. ̷ ȣ ü ¸ ߷ϴµ ð ϸ ̴. ̷ ¸ ϴµ ð ߻ϸ ÷Ʈ Ҹ ų ִ.

߾ ȭ ٹ μ 𵨵鿡 Կ ִ. Ʈ ʵ ɰϰ DZ ʿ ߴ ϰ ʿ ġ ڰ ֵ μ ߿ ¿ ʿ ýۿ ϴ ִ.

Emerson Process Management ÷Ʈ(PlantWeb)® , ȭ Ѵ. ÷Ʈ , ý ÷ ׸ յ ȭ Ʈ Ʈŷϴ Ϳ μ ý(Open Process Management System) Ѵ.

, ɿ ÷Ʈ پ μ µ Ű ÷Ʈ ̴° Ͽ ̴.

÷Ʈ Ȱ شȭϰ ÷Ʈ Ű ʿ ֿ μ Ȱϱ Ͽ ֱ ũ Emerson Process Management ο ǹϴ ǥ̴.

ȿ ÷Ʈ о Ͼ ׷ ڵ鿡 ־ ߿ ǹ̴. ÷Ʈ Ͼ μ ý ϰ ý м ڵ ϴ μ ȿ Դ. ׷ ̷ ȿ ܼ ߾ ۿ . ÷Ʈ ÷Ʈ ȿ ۵ ־ ū ȿ ش. ҵ м ǽð ϰ ִ ִ. ׸1 ̷ ش. ſ ظ ִ ÷Ʈ ֻ ü踦 ߴ ſ ̱ ÷Ʈ ȴ.

׸2 ȣ Ұ ȣ ü谡 Ǵ ְ ִ. ؼϴµ Ǵ ȣ ȭ, , ׸ ýۿ ü踦 Ͽ ȿ ϴ ̴. ýۿ Ȯϴ ִ ߿ Ҿ.

̷ ý νĿ ϹǷ ȣ ǰ Ѵ. ȣ оߴ 䱸Ѵ. ۾ ϵ Ǵ м ȭ (Redundancy) ִ 쿡 ߾ ִ. μ ϴ 2 Ǵ 3 ̻ ִٸ ϳ ȣ ¸ ϱ ȣ ˻ϴ μ ˰ ֿ ϴ Ǵ ϰ ˻ϴµ ִ. ߰ [ 1, 2, 3, 4, 5] ٸ μ Ǵ ýۿ Ǿ. κ ̷ Ϸ ڵ ȸ ð (auto-regression time series) Ͽ ۵ 𵨸 д. [ 1, 4] ̷ ÷Ʈ ڰ ߿ ʿ ϴ ϴ ý۰ ý(DAS) յǾ.

ڻ(Asset Management) Ϳ Բ Ѵ.

ǰ ϴ α׷ ߿ ̴. ׸3 ǥ ŷ ִ Ʈ͵̸ ݴ ŷϱ ȸ ̶ ְ ִ.

͵ ƮͿ ¸ ˻ϴµ ʿ ϰ ִ. 1997 HPI ʹ ¸ ̰ ִ (׸4) Ʈ͸ ˻ϴµ 20% ̸ ϰִٴ ְ ִ. ̷ ʿ ˻ Ŵ ϴ ֿ Ұ ȴ. ׷Ƿ ۵ϰ ִ ƴ ľѴٴ ٴ ƴ ̻ ߿ϴ. [ 6]


ū Ը ȭ ÷Ʈ ƮͰ ۵ǰ ִ Ȯϴµ ˻ ð 65% ϰ ְִ. ̰ ÷Ʈ Ű ڿ ֿ ȴ. μ û 300޷ (35) ҿȴ. ׸ ̷ ª ð ҿǰ . ׸5 ū Ը ȭȸ ְ ִ. ġ Ͽ ˻ 28% ƮͿ ̻ Ÿ. ش ƮͰ ̻ ۵ϰ ִٴ ľϰ ־ٸ Ʈ ˻ 63% ʿ ̾.

÷Ʈ ݿ ģ ڻ յ

Ű Ʈ Ǿ ڵȭ ý۰ ڻ ý ڿ ÷Ʈ ݿ ģ ø ȿ ֵ ش.

׸6 ٿ μ о߿ Դ. 1970 1980 DCS Ʈ ó θ ǰ ִ ڵȭ μ ʼ Ͽ. μ μ ÷Ʈ 5~9% ۵ ⿩ؿԴ.

Ʈ ý Ǵ ο ý Ͽ. ý ڵȭ ַ յ ý ڻý (Asset Management System) Բ , , Ʈ Ʈũȭϴ Ϳ ʸ ΰ ִ. [ 7]

߽ ̵ ߿ ̰ HART® Ŀ̼ ʵ(FOUNDATION Fieldbus) ʵ ݵ鿡 ǰ ִ. 4 ̻ HART μ ġǾ ߿ ٽ ̰ ÷Ʈ ݿ ģ ü踦 䱸Ǵ ÷ Ǿ ִ. [ 6]

Ʈ ٲ.

Ư Ʈ ޼ӵ ϰ ִ. Ʈ͵ μ (DCS) ϳ , μ (PV; Process Variable) Ͽ. Ʈũȭ Ʈ Ʈ Ѵ.

ʵ HART Ʈũ Ʈʹ , μ ׸ , μ ٸ ¿ ϴ.

Ʈũȭ κ Ϸ ǥ ϴ ɷ յ ÷Ʈ ڻ ý (AMS; Asset Management System) ȴ. յ AMSý ɷ ϰ ÷Ʈ ð Ű Ų.


Ʈ
Ų.

ó Ʈ ΰ ʼ κ ȴ. Ǹ μ ִ ȮǾ. ̴ǻʹ ȭ, , Ű Ѵ. Ʈʹ μ ϰ ϴ ̱ ü ִ Ǵ μ ִ ¸ ϴ ֱ ƮͿ ΰ ٸ ӹ̴. ֺ ȭ νϴ ǰ ִ.

, и ٺ м Ѵ. μ ̵ ̵ ÷Ʈ Ű ߿ ̴. Ʈ, ׸ ͵ ο ɷ° ɼ Ű ̴. ° Ǹ ܰ ¸ иŰ ̴. ׸ ߻ ٿ ִ , , Ǵ Ʈ͵ ̴. и ý ٺ Ը ֵ ֵ Ͽش. ٺ Ըϴ ÷Ʈ Ͼ ڵ鿡 ϴ Ͽ ʿ ġ ֵ Ͽ ̴.

μ ϴ Ϳ ġ ξԴ. ÷Ʈ μ ¸ ϴ Ϳ ġ δ ο ̴.

, ͺ ȸ ϴµ ý а Ǿ ִ. ȸ ý ġ ȸ ־ ϰ ִ.

׷ ֱٱ ý ÷Ʈ Ǵ ٸ Բ ȭ ̷ ɷ ڵȭ ܶ (׸8 ) ϴ Stand-alone ý̾. ý ּ ִ ÷Ʈ ð ִ ÷Ʈ ڻ ִ ɷ .

AMS (ڻַ; Asset Management Solutions) μ

ڻ ּ ִ ɰ ִ ֵ ϰ ϴ Ǿ ִ. ڻַ ý ֿ Ҵ .

  •      Ʈ : μ ¿ й
  •       : Ŀ(ü) κ ϴ ɷ ִ
  •      ¶ Ʈ: ڿ ڿ ֱ κ мϰ ÷ϱ Ͽ ʿ ϴ Ʈ ý

ó Emerson Process Management з, µ, , HART ʵ ý۰ Բ ϰ ִ. ̷ ɷ ÷Ʈ Ϻκμ ϳ ƮͿ , , RTD, ׸ ̴ ϰ ִ.(׸9 )  Ʈ 3095MV 3 μ ( (Flow Rate) , , ׸ µ) Ѵ. Ʈ 3095C PID PID ڵ Ʃ(Auto-tuner) ƮͿ ̴. 3244MV (Hot Backup) µ ɷ° Բ  DT () ΰ µ ִ ٺ µ Ʈ̴. [ 7]

Emerson Process Management ߿ HART ϴ ǰ ϴ ü ϴ μ ڵ ǥ Ǵ ý HART 峳ν 10 ̻ ýۿ ؿԴ. ̿ Emerson Process Management ʵ ϴ о߿ ϴ ü̴.

Emerson Process Management
AMS (Asset Management Solutions) ǰ ÷Ʈ μ ø ϴ PC Ʈ̴. AMS μ Ҿ ҽŰ μ ÷Ʈ ȿ ۵ ش. AMS (Calibration), , Ʈ , Audit Trail, DZԷ̼ ý ׸ ٸ ڻ Ѵ. [7]

ڻ Ͽ ٷ. ߿伺, ý м Ʈũ ׸ ÿ Ʈ ýۿ Ͽ. , ȿ ÷Ʈ ̷ ̴. ̷ ҵ Ȱ ߿ϰ ȿ ̵ ϴ ɰ ȿ ̴.

[]

1    B. R. Upadhyaya et al, "Performance Monitoring and Control Design of Nuclear Power Plants," Final Report, UTNE/TVA/92-09, September 1994.

2.   R. Upadhyaya and T. W. Kerlin, "Estimation of Response Time Characteristics of Platinum Resistance Thermometers by Noise Analysis Technique," ISA Transactions, Vol. 17, No 4, pp. 21-38, 1978.

3.   N. Clark and W. Setzer, "Sensor Fault Detection in a System with Random Disturbances," IEEE Transactions on Aerospace and Electronics System, Vol. 16, No 4, pp. 468-473, 1980.

4    P. Henry and D. W. Clarke, "The Self-Validating Sensor: Rationale, Definition and Examples," Report No: QUEL 1978/93, University of Oxford, Department of Engineering Science, 1993. 5. S. K. Yung and D. W. Clarke, "Local Sensor Validation," Measurement and Control, Vol. 22, pp. 132-141, June 1989.

6.   Gary Lenz, ". Electronic Flow Measurement (EFM) Diagnostics Can Reduce Gas Industry O&M Costs Through Improved Asset Management," ISA96, Chicago, October 1997.

7.   www.emersonprocess.com