Research Article

Robot Control Using Alternative Trajectories Based on Inverse Errors in the Workspace

Table 5

Error without alternative trajectory and error after changing the trajectory three times.

PThe first compensationThe second compensationThe third compensationUncompensated
x (mm)y (mm)z (mm)x (mm)y (mm)z (mm)x (mm)y (mm)z (mm)

10.1518−0.4110−0.37560.57710.12230.0821−0.04930.1553−0.1223−0.08210.04930.15530.4585
20.3480−0.27770.23830.50500.15810.1385−0.08180.2255−0.1581−0.13850.08180.22550.4353
30.03030.0120−0.06270.07070.13700.1404−0.15090.2475−0.1370−0.14040.15090.24750.2934
40.1030−0.13860.13190.21730.0192−0.0013−0.14730.1486−0.01920.00130.14730.14860.2889
5−0.11890.0235−0.09510.15410.01450.1431−0.25210.2902−0.0145−0.14310.25210.29020.2975
6−0.18280.0311−0.14400.23480.04690.09510.02540.1091−0.0469−0.0951−0.02540.10910.2846
70.1553−0.00730.13170.20380.09060.0824−0.12080.1720−0.0906−0.08240.12080.17200.3311
8−0.0172−0.0215−0.07600.08080.04580.07640.08680.1243−0.0458−0.0764−0.08680.12430.4924
9−0.1161−0.0435−0.23410.26490.05560.08810.01680.1056−0.0556−0.0881−0.01680.10560.2400
100.0974−0.10820.10330.17850.10590.1435−0.28770.3385−0.1059−0.14350.28770.33850.2189
110.1026−0.0392−0.10580.15250.08720.11180.01800.1429−0.0872−0.1118−0.01800.14290.2514
120.00950.0351−0.10420.1104−0.02940.1604−0.11380.19890.0294−0.16040.11380.19891.0255
130.1131−0.08930.12520.19090.09620.01510.04050.1055−0.0962−0.0151−0.04050.10550.2050
14−0.0070−0.0854−0.02320.08880.11250.06150.33290.3568−0.1125−0.0615−0.33290.35680.2266
15−0.0977−0.0141−0.12100.15610.17510.1584−0.10970.2603−0.1751−0.15840.10970.26030.4230
160.0875−0.00860.09830.13190.00620.0357−0.20570.2089−0.0062−0.03570.20570.20890.2116
17−0.0675−0.0468−0.06490.10470.00100.0834−0.30460.3158−0.0010−0.08340.30460.31580.1949
18−0.1280−0.0506−0.08790.1633−0.04270.06480.19520.21010.0427−0.0648−0.19520.21010.2314
190.02700.1064−0.17130.20350.03040.0810−0.21950.2359−0.0304−0.08100.21950.23590.5282
20−0.06480.0595−0.19770.2164−0.0219−0.0319−0.01480.04140.02190.03190.01480.04140.3656
21−0.01540.0685−0.13560.1527−0.0397−0.0066−0.01120.04170.03970.00660.01120.04170.2020
220.0044−0.12170.09510.15450.03370.0217−0.22360.2271−0.0337−0.02170.22360.22710.4336
23−0.1697−0.0996−0.15720.2519−0.1719−0.1713−0.08040.25570.17190.17130.08040.25570.4857
24−0.2146−0.1706−0.33900.4360−0.1922−0.1737−0.14390.29640.12220.13370.12390.21950.2630
25−0.0088−0.00840.13410.1347−0.0414−0.0442−0.17070.18110.04140.04420.17070.18110.6121
26−0.0410−0.1141−0.20720.24010.14600.15090.22600.3085−0.1460−0.1509−0.22600.30850.6086
27−0.1332−0.1220−0.15280.2366−0.04490.00220.48390.48600.0449−0.0022−0.48390.48600.2955
280.09250.00710.06510.11330.16230.1948−0.25480.3595−0.1623−0.19480.25480.35950.4056
29−0.0319−0.0072−0.14780.15140.09730.10270.06080.1540−0.0973−0.1027−0.06080.15400.7095
30−0.1795−0.0560−0.02000.1891−0.2734−0.22470.10030.36780.27340.2247−0.10030.36780.3451
310.15840.12820.16350.26130.3996−0.1232−0.06050.4226−0.39960.12320.06050.42260.4137
320.0375−0.0364−0.00110.0523−0.3075−0.3034−0.19460.47370.30750.30340.19460.47370.4515
330.0432−0.0338−0.20120.2085−0.1053−0.00660.30990.32730.10530.0066−0.30990.32730.3010
340.3517−0.20760.03350.4098−0.2208−0.2495−0.00120.33310.20770.15950.00120.26190.3529
350.09500.1144−0.12890.1968−0.1840−0.0758−0.42320.46770.18400.07580.42320.46770.2390
36−0.02050.00450.04640.0509−0.0794−0.0874−0.16980.20680.07940.08740.16980.20680.2241
37−0.06750.1108−0.12360.17920.1619−0.07550.37770.4178−0.16190.0755−0.37770.41780.2522
38−0.11490.0118−0.02190.11760.0247−0.0087−0.05240.0586−0.02470.00870.05240.05861.0172
39−0.2430−0.1785−0.10440.3191−0.3428−0.2457−0.19770.46580.34280.24570.19770.46580.5197
40−0.1160−0.2245−0.32280.4099−0.2329−0.19100.06580.30830.12330.1091−0.06580.17730.2622
41−0.2142−0.1800−0.17880.3321−0.1521−0.1592−0.02460.22150.15210.15920.02460.22150.4367
42−0.0474−0.22980.11030.2592−0.1859−0.2505−0.04430.31500.18590.25050.04430.31500.4418
43−0.1429−0.18910.10400.2588−0.2054−0.26380.04460.33730.20540.2638−0.04460.33730.3857
44−0.1813−0.18120.02410.2574−0.0999−0.1073−0.25400.29330.09990.10730.25400.29330.4038
450.73370.11830.22060.7752−0.2390−0.25290.07310.35550.23900.2529−0.07310.35550.9020