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Table 5 Responses analysis in cases 2–5

From: A novel computational technique using coefficient diagram method for load frequency control in an interconnected power system

Case

Controller

Indices

CDM-OPT

PID

Fuzzy

CDM

PI

Case 2

ISE

ITSE

ITAE

IAE (J)

6.422 × 10–6

9.192 × 10–6

9.113 × 10–3

4.262 × 10–3

11.52 × 10–6

18.11 × 10–6

16.62 × 10–3

6.439 × 10–3

23.37 × 10–6

32.06 × 10–6

12.97 × 10–3

6.887 × 10–3

611.7 × 10–6

2395 × 10–6

661.3 × 10–3

110.3 × 10–3

1248 × 10–6

4149 × 10–6

1110 × 10–3

141.3 × 10–3

Case 3

ISE

ITSE

ITAE

IAE (J)

4.994 × 10–5

4.758 × 10–4

3.514 × 10–1

3.624 × 10–2

8.506 × 10–5

8.272 × 10–4

4.777 × 10–1

4.803 × 10–2

12.05 × 10–5

11.53 × 10–4

5.097 × 10–1

5.435 × 10–2

147.5 × 10–5

124.5 × 10–4

16.56 × 10–1

18.89 × 10–2

609.5 × 10–5

587.6 × 10–4

62.06 × 10–1

4745 × 10–2

Case 4

ISE

ITSE

ITAE

IAE (J)

5.763 × 10–5

1.391 × 10–3

1.403

5.718 × 10–2

9.967 × 10–5

2.372 × 10–3

1.878

7.654 × 10–2

18.52 × 10–5

4.249 × 10–3

2.498

10.45 × 10–2

19.26 × 10–5

3.527 × 10–3

2.339

10.69 × 10–2

1260 × 10–5

249.4 × 10–3

23.89

105.2 × 10–2

Case 5

ISE

ITSE

ITAE

IAE (J)

8.438 × 10–5

4.336 × 10–3

2.371

4.409 × 10–2

13.98 × 10–5

7.28 × 10–3

3.031

5.786 × 10–2

30.33 × 10–5

14.18 × 10–3

5.587

10.65 × 10–2

418.4 × 10–5

226.3 × 10–3

39.72

70.7 × 10–2

1352 × 10–5

819.1 × 10–3

74.04

121.0 × 10–2