Integrated Optimization of Pipe Routing and Clamp Layout for Aeroengine Using Improved MOALO

Table 1

Results of the multiobjective algorithms (using GD).

	Ave	Var	Best	Worst
Algorithm ZDT1
MOPSO	0.005087	2.0547-6	0.003160	0.008830
MOALO	0.002974	1.1426-6	0.000533	0.004710
IMOALO	0.001184	2.8685-7	0.000498	0.002313
Algorithm ZDT2
MOPSO	0.003591	1.5219-6	0.000209	0.006501
MOALO	0.002300	7.6867-7	0.000920	0.004878
IMOALO	0.000848	2.4213-7	0.000196	0.001811
Algorithm ZDT3
MOPSO	0.007008	1.8337-5	0.003432	0.020274
MOALO	0.005580	8.4764-6	0.000458	0.010607
IMOALO	0.002231	2.0542-6	0.000465	0.004713
Algorithm ZDT4
MOPSO	0.008441	1.6125-4	0.003677	0.062375
MOALO	0.002450	1.9174-6	0.000342	0.006357
IMOALO	0.000883	1.7624-7	0.000231	0.001888