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INTRODUCING. V-TRAX. RTG Auto Steering for container terminals. INTRODUCING. V-TRAX. using GPS technology V-TRAX provides a virtual track to automatically steer an RTG. V-TRAX. Calculation for deviation from virtual line. Virtual runway. Vector calculation. V-TRAX.
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INTRODUCING V-TRAX RTG Auto Steering for container terminals
INTRODUCING V-TRAX using GPS technology V-TRAX provides a virtual track to automatically steer an RTG
V-TRAX Calculation for deviation from virtual line Virtual runway Vector calculation
V-TRAX Each RTG is fitted with 2 GPS antennas When the RTG is skewed one side leads the other The difference between the sides can be measured This allows heading to be calculated accurately
V-TRAX THE V-TRAX ADVANTAGE: • Immediate heading information before any motion takes place. • High accuracy in measuring position, deviation, and heading. • Measures each side of the RTG providing fast feed back on the system steering actions and reducing lag caused by the RTG frame twisting.
Typical other GPS antenna method Typical other twin antenna method V-TRAX the optimum solution V-TRAX Single GPS antenna V-TRAX GPS antennas V-TRAX GPS antennas Twin GPS antenna Twin GPS antenna Unable to determine heading upon start-up. Poor resolution of angle can cause over corrections and unstable motion. No redundancy or system cross checking. Better than single antenna. Narrow base line limits the measured resolution. Placing antennas on one side causes a lag in measuring the result of steering actions. The optimum control loop. Provides maximum measured resolution. Measures the results directly from each side without lag as it slows down and speeds up to steer. Able to make accurate steering decisions at all times. The benefit of experience – Auto Steering RTGs since 1988 Compare the difference :
V-TRAX OPERATIONAL ADVANTAGES: • Low maintenance system • Smoother operation reducing equipment wear • Smoother operation increasing productivity • Improved safety reducing damage • Reduces driver fatigue and training requirements
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