00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2010, LABUST, UNIZG-FER 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of the LABUST nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 * 00034 * Author: Dula Nad 00035 * Created: 01.02.2010. 00036 *********************************************************************/ 00037 #ifndef LABUST_SIM_KINEMATICMODEL_H 00038 #define LABUST_SIM_KINEMATICMODEL_H 00039 #include <labust/simulation/matrixfwd.hpp> 00040 #include <labust/tools/conversions.hpp> 00041 00042 namespace labust 00043 { 00044 namespace simulation 00045 { 00051 class KinematicModel 00052 { 00053 public: 00054 enum {x=0,y,z}; 00055 enum {phi=0,theta,psi}; 00056 enum {u=0,v,w,p,q,r}; 00058 KinematicModel(); 00065 void step(const vector& nu); 00072 inline const vector3& position() const {return this->pos;}; 00079 inline const vector3& orientation() 00080 { 00081 labust::tools::eulerZYXFromQuaternion(this->quat, this->rpy); 00082 return rpy; 00083 }; 00090 inline void setPosition(const vector3& pos, const vector3& rpy) 00091 { 00092 this->pos = this->pos0 = pos; 00093 labust::tools::quaternionFromEulerZYX(rpy(phi),rpy(theta),rpy(psi), this->quat); 00094 } 00101 inline void setPosition(const vector3& pos, const quaternion& quat) 00102 { 00103 this->pos = this->pos0 = pos; 00104 this->quat = this->quat0 = quat; 00105 } 00111 inline void init(double depth = 0) 00112 { 00113 this->reset(); 00114 //Calculate and set the the neutral depth where W=B 00115 pos(z) = depth; 00116 } 00120 void reset() 00121 { 00122 this->pos = this->pos0; 00123 this->quat = this->quat0; 00124 }; 00126 inline void setTs(double Ts){this->dT = Ts;}; 00127 00128 protected: 00130 double dT; 00132 vector3 current; 00134 vector3 pos0; 00136 vector3 pos; 00138 quaternion quat0; 00140 quaternion quat; 00142 vector3 rpy; 00143 }; 00144 } 00145 } 00146 00147 /* LABUST_SIM_KINEMATICMODEL_H */ 00148 #endif