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

Table 3

Heat capacities and feed-rate-dependent heat losses of the nodes (computed or estimated without parameter identification).

Node; number	Meaning	Heat capacity; in J/K	Heat loss factor; in J/m
0	Drive	982.08	0.533
1	Belt housing drive	657.40	0
2	Belt housing spindle	694.97	0
3	Shoulder joint	435.41	0
4	Bearing seat	330.66	0.303
5	Spindle clamping end	50.73	0.454
6	Spindle lower part	253.65	0.306
7	Spindle upper part	253.65	0.306
8	Spindle free end	24.92	0
9	Ball screw nut	406.48	0.408
10	Tube lower part	243.51	0
11	Tube upper part	243.51	0
12	Tube joint end	179.43	0
13	Hand joint	14.35	0
14	Air belt housing		0
15	Air tube		0
16	Air spindle		0
17	Air bearing		0
18	Air drive		0