Research Article

Multiobjective Optimal Control of FOPID Controller for Hydraulic Turbine Governing Systems Based on Reinforced Multiobjective Harris Hawks Optimization Coupling with Hybrid Strategies

Table 3

HV and IGD statistical results of different algorithms.

AlgorithmHVIGD
MinMaxMeanStdMinMaxMeanStd

UF1 problem (2 objs)
NSGAIII0.19400.42900.36420.61800.32190.73990.43560.1137
MOPSO0.47780.58430.54650.02740.08180.16600.11150.0197
MOGWO0.35800.59840.55550.04410.09150.25770.11910.0280
MOHHO0.52630.57760.52630.03250.09470.18160.12980.0219
HMOHHO0.61980.64400.63270.00580.05330.07350.06190.0050

UF2 problem (2 objs)
NSGAIII0.39400.53710.47100.03630.18970.50960.35990.0791
MOPSO0.62610.66260.64850.00870.04790.12790.06260.0147
MOGWO0.61700.65770.64250.01010.05050.08630.06520.0084
MOHHO0.61820.63690.62590.00460.06960.08760.08110.0048
HMOHHO0.64820.67210.65800.00520.04120.05980.05280.0041

UF4 problem (2 objs)
NSGAIII0.06490.30200.21900.05920.09690.59740.23590.1008
MOPSO0.21110.25540.22630.00950.13230.17780.16170.0095
MOGWO0.31100.35930.35600.00400.05800.07910.06230.0054
MOHHO0.34400.35650.35140.00380.05950.07060.06320.0038
HMOHHO0.34650.36230.35690.00480.05640.06820.06080.0042

UF7 problem (2 objs)
NSGAIII0.11700.35900.26760.58700.25840.66330.40560.0999
MOPSO0.11010.49430.40880.10380.06180.67390.16600.1541
MOGWO0.29600.50500.48070.03570.05850.33930.07910.0495
MOHHO0.37650.48400.43660.02690.06380.14580.09940.0204
HMOHHO0.50940.53590.52640.00560.03370.05050.03940.0038

ZDT1 problem (2 objs)
NSGAIII0.30700.50690.44600.04940.18930.47660.26580.0729
MOPSO0.06280.66670.40220.16860.04270.72230.29070.1837
MOGWO0.69800.71360.70780.00320.00840.02710.01470.0037
MOHHO0.71050.71530.71290.00110.00880.01290.01080.0010
HMOHHO0.71300.71800.71620.00100.00610.01010.00779.19 E − 04

ZDT3 problem (2 objs)
NSGAIII0.40500.63390.53700.05910.20590.37660.26850.0468
MOPSO0.01570.77560.30200.18440.13590.93770.53300.1860
MOGWO0.56600.59900.58100.00630.00860.02490.01350.0037
MOHHO0.57770.59060.58090.00220.00810.01300.01060.0013
HMOHHO0.57970.58970.58210.00180.00700.00990.00859.73 E − 05

ZDT6 problem (2 objs)
NSGAIII0.16700.38330.35100.05080.00300.07670.01230.0153
MOPSO0.31350.38620.37710.02130.00260.02080.00570.0048
MOGWO0.36500.38570.37980.00580.00330.10360.02460.0284
MOHHO0.38160.38530.38370.00080.00450.02150.00650.0030
HMOHHO0.38460.38660.38575.75 E  −040.00290.00650.00428.27 E − 04