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Figure 11.27, the blue line shows the velocity calculated with the Jacobian matrix, and the red line shows the reference velocity from EPAS. Figure 11.28, shows deviation between calculated and reference velocity. Where the calculated is computed with the Jacobian. Figure 11.27 shows the three different arm joint velocities in the unit degree/s over the time in seconds. To make it easier to see how big the deviation is between the EPAS reference value of the velocity and with Jacobian matrix calculated velocity Figure 11.28 shows the percentage deviation between EPAS reference value and with the Jacobian calculated value. Figure 11.29, the blue line shows the calculated acceleration and the red line shows the reference acceleration from EPAS. In Figure 11.29 the blue line represents the calculated joint acceleration for arm 1 of the Delta- 3 robot and the red line describes the reference acceleration in EPAS. If one looks at the joint velocity of joint 1 there is a smaller percentage deviation (Figure 11.28) between the calculated ______________________________________________________________________________ Public Report ELAU GmbH, Marktheidenfeld 56
and the reference value than for joint 2 and 3. This is also shown in the acceleration graph for joint 2 where the calculated value match better with the reference value than for joint 2 and 3. Figure 11.30, the blue line shows the calculated acceleration and the red line shows the reference acceleration from EPAS. In Figure 11.30 the blue line represents the calculated joint acceleration for arm 2 of the Delta- 3 robot and the red line describes the reference acceleration in EPAS. ______________________________________________________________________________ Public Report ELAU GmbH, Marktheidenfeld 57
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ISSN 0280-5316 ISRN LUTFD2/TFRT--58
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Acknowledgements This Master thesis
Page 8 and 9:
7 Control approach - ELAU GmbH ....
Page 10 and 11:
α1 frame rotation angle for arm at
Page 12 and 13: 2 BACKGROUND 2.1 ROBOTICS The word
Page 14 and 15: 2.2.2 SOFTWARE - ELAU GMBH EPAS-4 i
Page 16 and 17: 3 KINEMATICS - SERIAL ROBOT In the
Page 18 and 19: 3.2 INVERSE KINEMATICS When the for
Page 20 and 21: 4 KINEMATICS & KINETICS - DELTA-3 R
Page 22 and 23: 4.3 Forward Kinematics The forward
Page 24 and 25: Figure 4.5, inverse kinematics tran
Page 26 and 27: where & ⎡x& n ⎤ ⎡− lA sin(
Page 28 and 29: 4.7 ACTUATOR DYNAMICS In most exist
Page 30 and 31: The inertia contribution of each up
Page 32 and 33: According to d’Alembert’s princ
Page 34 and 35: 5 TRAJECTORY A trajectory is a path
Page 36 and 37: 6 TRAJECTORY - ELAU GMBH C600 is th
Page 38 and 39: 6.2 CIRCULAR INTERPOLATION In the E
Page 40 and 41: 7.1 MC-4 DRIVE The MC-4 drive is a
Page 42 and 43: Figure 8.2, Simulink model with mot
Page 44 and 45: 9 PARAMETER ESTIMATION To simulate
Page 46 and 47: 10 EXPERIMENTS For the experiments
Page 48 and 49: Figure 11.2, shows the motion of th
Page 50 and 51: Figure 11.6, shows the current I ef
Page 52 and 53: 11.1.2 SIMULINK EXPERIMENT 2 Figure
Page 54 and 55: Figure 11.13, shows the acceleratio
Page 56 and 57: measured actual value from the real
Page 58 and 59: and are shown over the time in seco
Page 60 and 61: Figure 11.23 shows the x, y and z c
Page 64 and 65: Figure 11.31, the blue line shows t
Page 66 and 67: In Figure 11.36 the blue line repre
Page 68 and 69: 11.2.3 JACOBIAN EXPERIMENT 3 Figure
Page 70 and 71: In Figure 11.44 the blue line repre
Page 72 and 73: 12 CONCLUSIONS In section 11.1 one
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