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LIBRARY ı6ıul 0) - Cranfield University

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3.3.2.1 Welding parameters generator<br />

3.3.2.2 Robot programming<br />

3.3.2.3 Robot simulation<br />

3.3.3 Control module<br />

4. On-line Control Strategy 99<br />

4.1 Control of relative position between torch and workpiece<br />

4.1.1 "Robot position adjustment" versus "workpiece position adjustment"<br />

4.1.2 Positioning table<br />

4.1.3 Proposed control strategy<br />

4.1.3.1 Adjustment before welding<br />

4.1.3.2 On-line control<br />

4.2 Welding process control<br />

4.2.1 Process stability and control algorithm<br />

4.2.2 Data acquisition and processing<br />

4.2.3 Stand-off estimation and control<br />

4.2.4 Reliability of process statistical estimates<br />

4.2.5 Communications delay<br />

5. Experimental Equipment, Materials and Procedure<br />

5.1 Welding robot<br />

5.2 Welding power source<br />

5.3 Monitoring system<br />

5.4 Welding voltage and current sensors<br />

5.5 Touch sensor<br />

5.6 Sliding table and controller<br />

5.7 Calibration<br />

5.7.1 Moving table calibration<br />

5.7.2 Acquisition system calibration factors<br />

5.7.3 Wire feed speed calibration<br />

5.7.4 Robot Interface calibration<br />

5.8 Experimental materials 120<br />

5.9 Experimental procedure<br />

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