Ramps with Fixed Ramp Times................................................................................................................................................. 44

Example: ......................................................................................................................................................................................45

Example: ......................................................................................................................................................................................46

Select Ramps with Ramp Times Related to Vehicle Speed............................................................................................. 46

Example: ......................................................................................................................................................................................48

Anti-jerk Ramp Parameter Tuning Guide.........................................................................................................................49

Soft (Cushion) End-stop...............................................................................................................................................................49

Main Spool Dead-band Control Function............................................................................................................................. 50

Dead-band Jump Control......................................................................................................................................................50

Dead-band Hold and Proportional Control.................................................................................................................... 50

Responding to Flow Requests after Tolsout................................................................................................................... 50

Magnetic Valve Control............................................................................................................................................................... 50

Steering by Steering wheel - Closed Loop...........................................................................................................................52

Functionality Tree.......................................................................................................................................................................... 52

Select the Control Principle........................................................................................................................................................53

Acquire the Signals.................................................................................................................................................................. 53

Apply Backlash...........................................................................................................................................................................53

Steering Sensitivity........................................................................................................................................................................53

Select a Fixed Steering Sensitivity........................................................................................................................................... 54

Select a Sensitivity with Relation to Vehicle Speed........................................................................................................... 54

Create the Set-point......................................................................................................................................................................55

Closing the Loop............................................................................................................................................................................ 56

Feed-forward..............................................................................................................................................................................56

Steady State Error..................................................................................................................................................................... 56

To achieve steady state accuracy:.......................................................................................................................................56

Proportional Band.................................................................................................................................................................... 56

Steering Wheel Knob Position Control.................................................................................................................................. 57

What makes the steering wheel drift?.............................................................................................................................. 58

Eliminate Noise due to Frequent Pressure Build-up......................................................................................................... 58

Magnetic Valve Control............................................................................................................................................................... 58

Steering by High Priority Steering Device - Open Loop..................................................................................................60

Functionality Tree.......................................................................................................................................................................... 60

Select the Control Principle........................................................................................................................................................60

Acquire the Signals.................................................................................................................................................................. 61

Set-point Transfer Function....................................................................................................................................................... 61

Steering Sensitivity........................................................................................................................................................................62

Select a Fixed Sensitivity............................................................................................................................................................. 62

Select a Sensitivity with Relation to the Actuator Position.............................................................................................63

Select a Sensitivity with Relation to Vehicle Speed........................................................................................................... 63

Ramps (Anti-Jerk)........................................................................................................................................................................... 64

Select Ramps with Fixed Ramp Times.................................................................................................................................... 65

Example: ......................................................................................................................................................................................65

Example: ......................................................................................................................................................................................66

Select Ramps with Ramp Time Related to Vehicle Speed...............................................................................................66

Example: ......................................................................................................................................................................................68

Anti-jerk Ramp Parameter Tuning Guide.............................................................................................................................. 69

Soft (Cushion) End-stop...............................................................................................................................................................69

Spool Dead-band Hold Control Function ............................................................................................................................ 70

Dead-band Jump Control......................................................................................................................................................70

Dead-band Hold and Proportional Control.................................................................................................................... 71

Responding to Flow Requests after Tolsout................................................................................................................... 71

Magnetic Valves OFF Control.................................................................................................................................................... 71

Resolving a Steering Control Conflict............................................................................................................................... 71

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