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Add inverse kinematics example with implementations by Sam Buss.

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Uses Kuka IIWA model description and 4 methods:
Selectively Damped Least Squares,Damped Least Squares,
Jacobi Transpose, Jacobi Pseudo Inverse
Tweak some PD values in Inverse Dynamics example and Robot example.
This commit is contained in:
erwin coumans
2016-07-24 22:22:42 -07:00
parent 77b9e1a3e2
commit 75e86051c2
29 changed files with 9926 additions and 29 deletions
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19
examples/ExampleBrowser/ExampleEntries.cpp
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@@ -46,6 +46,7 @@
#include "../MultiThreading/MultiThreadingExample.h"
#include "../InverseDynamics/InverseDynamicsExample.h"
#include "../RoboticsLearning/R2D2GraspExample.h"
#include "../InverseKinematics/InverseKinematicsExample.h"
#ifdef ENABLE_LUA
#include "../LuaDemo/LuaPhysicsSetup.h"
@@ -95,7 +96,6 @@ struct ExampleEntry
static ExampleEntry gDefaultExamples[]=
{
ExampleEntry(0,"API"),
ExampleEntry(1,"Basic Example","Create some rigid bodies using box collision shapes. This is a good example to familiarize with the basic initialization of Bullet. The Basic Example can also be compiled without graphical user interface, as a console application. Press W for wireframe, A to show AABBs, I to suspend/restart physics simulation. Press D to toggle auto-deactivation of the simulation. ", BasicExampleCreateFunc),
@@ -124,14 +124,21 @@ static ExampleEntry gDefaultExamples[]=
ExampleEntry(1,"TestJointTorque","Apply a torque to a btMultiBody with 1-DOF joints (mobilizers). This setup is similar to API/TestHingeTorque.", TestJointTorqueCreateFunc),
ExampleEntry(1,"TestPendulum","Simulate a pendulum using btMultiBody with a constant joint torque applied. The same code is also used as a unit test comparing Bullet with the numerical solution of second-order non-linear differential equation stored in pendulum_gold.h", TestPendulumCreateFunc),
ExampleEntry(1,"Constraint Feedback", "The example shows how to receive joint reaction forces in a btMultiBody. Also the applied impulse is available for a btMultiBodyJointMotor", MultiBodyConstraintFeedbackCreateFunc),
ExampleEntry(1,"Constraint Feedback", "The example shows how to receive joint reaction forces in a btMultiBody. Also the applied impulse is available for a btMultiBodyJointMotor", MultiBodyConstraintFeedbackCreateFunc),
ExampleEntry(1,"Inverted Pendulum PD","Keep an inverted pendulum up using open loop PD control", InvertedPendulumPDControlCreateFunc),
ExampleEntry(1,"MultiBody Soft Contact", "Using the error correction parameter (ERP) and constraint force mixing (CFM) values for contacts to simulate compliant contact.",MultiBodySoftContactCreateFunc,0),
ExampleEntry(1,"MultiBody Soft Contact", "Using the error correction parameter (ERP) and constraint force mixing (CFM) values for contacts to simulate compliant contact.",MultiBodySoftContactCreateFunc,0),
ExampleEntry(0,"Inverse Dynamics"),
ExampleEntry(1,"Inverse Dynamics URDF", "Create a btMultiBody from URDF. Create an inverse MultiBodyTree model from that. Use either decoupled PD control or computed torque control using the inverse model to track joint position targets", InverseDynamicsExampleCreateFunc,BT_ID_LOAD_URDF),
ExampleEntry(1,"Inverse Dynamics Prog", "Create a btMultiBody programatically. Create an inverse MultiBodyTree model from that. Use either decoupled PD control or computed torque control using the inverse model to track joint position targets", InverseDynamicsExampleCreateFunc,BT_ID_PROGRAMMATICALLY),
ExampleEntry(0,"Inverse Dynamics"),
ExampleEntry(1,"Inverse Dynamics URDF", "Create a btMultiBody from URDF. Create an inverse MultiBodyTree model from that. Use either decoupled PD control or computed torque control using the inverse model to track joint position targets", InverseDynamicsExampleCreateFunc,BT_ID_LOAD_URDF),
ExampleEntry(1,"Inverse Dynamics Prog", "Create a btMultiBody programatically. Create an inverse MultiBodyTree model from that. Use either decoupled PD control or computed torque control using the inverse model to track joint position targets", InverseDynamicsExampleCreateFunc,BT_ID_PROGRAMMATICALLY),
ExampleEntry(0, "Inverse Kinematics"),
ExampleEntry(1, "SDLS", "Selectively Damped Least Squares by Sam Buss. Example configures the IK tree of a Kuka IIWA", InverseKinematicsExampleCreateFunc, IK_SDLS),
ExampleEntry(1, "DLS", "Damped Least Squares by Sam Buss. Example configures the IK tree of a Kuka IIWA", InverseKinematicsExampleCreateFunc, IK_DLS),
ExampleEntry(1, "Jacobi Transpose", "Jacobi Transpose by Sam Buss. Example configures the IK tree of a Kuka IIWA", InverseKinematicsExampleCreateFunc, IK_JACOB_TRANS),
ExampleEntry(1, "Jacobi Pseudo Inv", "Jacobi Pseudo Inverse Method by Sam Buss. Example configures the IK tree of a Kuka IIWA", InverseKinematicsExampleCreateFunc, IK_PURE_PSEUDO),
ExampleEntry(0,"Tutorial"),
ExampleEntry(1,"Constant Velocity","Free moving rigid body, without external or constraint forces", TutorialCreateFunc,TUT_VELOCITY),