The RMP Motion Controller APIs
MultiAxisMotion.cs
1
32using RSI.RapidCode.dotNET; // Import our RapidCode Library.
33using NUnit.Framework;
34using System;
35
36#if DOXYGEN // RSI internal documentation use only
37using RSI.RapidCode;
38#endif
39
41[TestFixture]
42[Category("Software")]
43class MultiAxisMotion : StaticMemoryTestBase
44 {
45 [Test]
46 public void MultiAxisVelocityMotion()
47 {
49 // RapidCode Objects
50 MultiAxis multi; // Declare what multi is.
51
52 // Constants
53 const int cycles = 2; // Specify how many times you want to update the velocity.
54 const int NUM_OF_AXES = 6;
55
56 controller.AxisCountSet(NUM_OF_AXES);
57 controller.MotionCountSet(NUM_OF_AXES + 1); // We will need a motion supervisor for every Axis object and MultiAxis object
58
59 int i;
60 double[] accelerations = new double[6] { 1000, 1000, 1000, 1000, 1000, 1000 }; // Specify the acceleration for all 6 axes.
61 double[] velocities = new double[6]; // Initialize the array that will contain the velocities of all 6 axes.
62 Random rnd = new Random(); // Initialize the Random object that we will use to generate random velocities.
63
64 Axis x_axis = controller.AxisGet(Constants.X_AXIS_NUMBER); // Initialize axis. (You can use RapidSetup to see what axes you are using.)
65 Axis y_axis = controller.AxisGet(Constants.Y_AXIS_NUMBER); // Initialize axis.
66 Axis z_axis = controller.AxisGet(Constants.Z_AXIS_NUMBER); // Initialize axis.
67 Axis a_axis = controller.AxisGet(Constants.A_AXIS_NUMBER); // Initialize axis.
68 Axis b_axis = controller.AxisGet(Constants.B_AXIS_NUMBER); // Initialize axis.
69 Axis c_axis = controller.AxisGet(Constants.C_AXIS_NUMBER); // Initialize axis.
70
71 HelperFunctions.CheckErrors(x_axis); // Check that the axis has been initialize correctly.
72 HelperFunctions.CheckErrors(y_axis); // Check that the axis has been initialize correctly.
73 HelperFunctions.CheckErrors(z_axis); // Check that the axis has been initialize correctly.
74 HelperFunctions.CheckErrors(a_axis); // Check that the axis has been initialize correctly.
75 HelperFunctions.CheckErrors(b_axis); // Check that the axis has been initialize correctly.
76 HelperFunctions.CheckErrors(c_axis); // Check that the axis has been initialize correctly.
77
78 multi = controller.MultiAxisGet(NUM_OF_AXES); // Configure your MultiAxis on RapidSetup (Make sure MotionCount is 1 higher than AxisCount)
79 HelperFunctions.CheckErrors(multi); // Check that multi has been initialized correctly.
80
81 multi.AxisRemoveAll(); // If there are any current axes on multi, remove them.
82
83 multi.AxisAdd(x_axis); // Add axis to your Multi-Axis controller.
84 multi.AxisAdd(y_axis); // Add axis to your Multi-Axis controller.
85 multi.AxisAdd(z_axis); // Add axis to your Multi-Axis controller.
86 multi.AxisAdd(a_axis); // Add axis to your Multi-Axis controller.
87 multi.AxisAdd(b_axis); // Add axis to your Multi-Axis controller.
88 multi.AxisAdd(c_axis); // Add axis to your Multi-Axis controller.
89
90 multi.Abort(); // If there is any motion happening, abort it.
91 multi.ClearFaults(); // Clear faults and enable all axes.
92 multi.AmpEnableSet(true); // Enable the motor.
93
94 for (i = 0; i < cycles; i++) // This loop will iterate 5 times based on the value of "cycles"
95 {
96 int random_vel1 = rnd.Next(1, 100); // random_vel1 is a number [ >= 1 and < 100 ]
97 int random_vel2 = rnd.Next(1, 100);
98 int random_vel3 = rnd.Next(1, 100);
99 int random_vel4 = rnd.Next(1, 100);
100 int random_vel5 = rnd.Next(1, 100);
101 int random_vel6 = rnd.Next(1, 100);
102
103 velocities = new double[6] {random_vel1, // Update axis's velocity.
104 random_vel2, // Update axis's velocity.
105 random_vel3, // Update axis's velocity.
106 random_vel4, // Update axis's velocity.
107 random_vel5, // Update axis's velocity.
108 random_vel6 }; // Update axis's velocity.
109
110 multi.MoveVelocity(velocities, accelerations); // Move your Multi-Axis. (this will also update the move on the fly)
111
112 System.Threading.Thread.Sleep(100); // Sleep for 100ms before iterating again.
113 }
114
115 multi.Abort(); // Stop motion on all axes.
117 }
118
119 [Test]
120 public void PointToPointMultiAxisMotion()
121 {
123 // Constants
124 const int NUM_OF_AXES = 2; // Specify the number of axes (Make sure your axis count in RapidSetup is 2!)
125
126 // Parameters
127 double[] positions1 = new double[NUM_OF_AXES] { 5, 10 }; // The first set of positions to be moved to
128 double[] positions2 = new double[NUM_OF_AXES] { 15, 15 }; // The second set of positions to be moved to
129 double[] velocities1 = new double[NUM_OF_AXES] { 1000, 1000 }; // The velocity for the two axes for the first move- Units: units/sec (driver will execute 10 rotations per second)
130 double[] velocities2 = new double[NUM_OF_AXES] { 1000, 1000 }; // The velocity for the two axes for the second move
131 double[] accelerations = new double[NUM_OF_AXES] { 500, 500 }; // The acceleration for the two axes
132 double[] decelerations = new double[NUM_OF_AXES] { 500, 500 }; // The deceleration for the two axes
133 double[] jerkPercent = new double[NUM_OF_AXES] { 50, 50 }; // The jerk percent for the two axes
134
135 controller.AxisCountSet(NUM_OF_AXES);
136 controller.MotionCountSet(NUM_OF_AXES + 1);
137
138 Axis axis0 = controller.AxisGet(Constants.X_AXIS_NUMBER); // Initialize axis0
139 Axis axis1 = controller.AxisGet(Constants.Y_AXIS_NUMBER); // Initialize axis1
140
141 HelperFunctions.CheckErrors(axis0); // [Helper Function] Check that 'axis0' has been initialized correctly
142 HelperFunctions.CheckErrors(axis1); // [Helper Function] Check that 'axis1' has been initialized correctly
143
144 // In this application, we have two Axis objects and one MultiAxis object, so three motion supervisors are required
145 MultiAxis multi = controller.MultiAxisGet(NUM_OF_AXES); // Initialize a new MultiAxis object. MultiAxisGet takes a motion supervisor number as its argument.
146 // This number is equal to the number of axes since motion supervisors are zero indexed (i.e., motion supervisors
147 // 0 and 1 are used for axis0 and axis1, so motion supervisor 2 is available for our MultiAxis object).
148
149 HelperFunctions.CheckErrors(multi); // [Helper Function] Check that 'multi' has been initialized correctly
150 controller.AxisCountSet(NUM_OF_AXES); // Set the number of axis being used. A phantom axis will be created if for any axis not on the network. You may need to refresh rapid setup to see the phantom axis.
151
152 multi.AxisRemoveAll(); // Remove all current axis if any. So we can add new ones
153
154 multi.AxisAdd(axis0); // Add axis0 to the MultiAxis object
155 multi.AxisAdd(axis1); // Add axis1 to the MultiAxis object
156
157 multi.Abort(); // If there is any motion happening, abort it
158 multi.ClearFaults(); // Clear any faults
159 multi.AmpEnableSet(true); // Enable the motor
160
161 axis0.ErrorLimitActionSet(RSIAction.RSIActionNONE); // Disable poistion error for Phantom Axes.
162 axis1.ErrorLimitActionSet(RSIAction.RSIActionNONE); // Disable poistion error for Phantom Axes.
163
164 multi.MoveSCurve(positions1, velocities1, accelerations, decelerations, jerkPercent); // Move to the positions specified in positions1 using a trapezoidal motion profile
165 multi.MotionDoneWait(); // Wait for motion to finish
166
168 Assert.AreEqual(positions1[0], axis0.CommandPositionGet(), "The first axis in the multi axis object should be commanded to move to the firt element of the array");
169 Assert.AreEqual(positions1[1], axis1.CommandPositionGet(), "The second axis in the multi axis object should be commanded to move to the second element of the array");
170
171 multi.MoveTrapezoidal(positions2, velocities2, accelerations, decelerations); // Move to the positions specified in positions2 using a SCurve motion profile
172 multi.MotionDoneWait(); // Wait for the motion to finish
173
175 Assert.AreEqual(positions2[0], axis0.CommandPositionGet(), "The first axis in the multi axis object should be commanded to move to the firt element of the array");
176 Assert.AreEqual(positions2[1], axis1.CommandPositionGet(), "The second axis in the multi axis object should be commanded to move to the second element of the array");
177
178 multi.AmpEnableSet(false); // Disable the axes
179
180 // /@[PointToPointMultiAxisMotion]
181 }
182 }
static void CheckErrors(RapidCodeObject rsiObject)
Check if the RapidCodeObject has any errors.
Helper Functions for checking logged creation errors, starting the network, etc.
double CommandPositionGet()
Get the current command position.
void ErrorLimitActionSet(RSIAction action)
Set the action that will occur when the Error Limit Event triggers.
Represents a single axis of motion control. This class provides an interface for commanding motion,...
Definition rsi.h:5664
Axis * AxisGet(int32_t axisNumber)
AxisGet returns a pointer to an Axis object and initializes its internals.
void MotionCountSet(int32_t motionCount)
Set the number of processed Motion Supervisors in the controller.
MultiAxis * MultiAxisGet(int32_t motionSupervisorNumber)
MultiAxisGet returns a pointer to a MultiAxis object and initializes its internals.
void AxisCountSet(int32_t axisCount)
Set the number of allocated and processed axes in the controller.
void MoveTrapezoidal(const double *const position, const double *const vel, const double *const accel, const double *const decel)
Point-to-point trapezoidal move.
void AxisRemoveAll()
Remove all axes from a MultiAxis group.s.
void MoveSCurve(const double *const position, const double *const vel, const double *const accel, const double *const decel, const double *const jerkPct)
Point-to-point S-Curve Move.
void MoveVelocity(const double *const velocity, const double *const accel)
Velocity move.
void AxisAdd(Axis *axis)
Add an Axis to a MultiAxis group.
Represents multiple axes of motion control, allows you to map two or more Axis objects together for e...
Definition rsi.h:10564
void ClearFaults()
Clear all faults for an Axis or MultiAxis.
void AmpEnableSet(bool enable)
Enable all amplifiers.
void Abort()
Abort an axis.
int32_t MotionDoneWait()
Waits for a move to complete.
RSIAction
Action to perform on an Axis.
Definition rsienums.h:1051