New Coordination Software for Parameter Identification Applied to Thermal Models of an Actuator Strut

Table 2

Optimal parameters of the equivalent circuit model for different optimization goals (optimized for  m/min data). Optimization time 60 min per case and Monte Carlo optimization (about 7600–9200 iterations per case).

Optimized for sensor						SSE 20 m/min; in	RMSE 20 m/min; in	RMSE 25 m/min; in	RMSE 30 m/min; in
Spindle	1.13	1.68	1.25	1.26	0.96	1.21	0.13	2.07	7.30
Ball screw nut	0.88	1.21	1.16	1.25	1.23	1.90	0.16	1.83	7.30
Drive	0.86	1.02	1.17	1.06	1.24	48.52	0.81	4.59	6.35
Bearing	1.74	0.70	1.13	1.12	0.92	6.10	0.29	2.40	4.93
Belt housing	1.58	0.76	1.00	1.03	0.77	6.79	0.30	2.03	4.13
Tube middle	0.96	0.99	1.07	0.94	1.06	0.74	0.10	0.29	2.43
Tube end	0.61	1.75	0.85	0.99	1.15	5.48	0.27	0.45	0.79
Mean of all	0.89	0.71	0.88	1.14	1.16	268.12	1.73	2.34	4.79