NTRT Simulator  Version: Master
 All Classes Namespaces Files Functions Variables Typedefs Friends Pages
ScarrArmController.h
Go to the documentation of this file.
1 /*
2  * Copyright © 2015, United States Government, as represented by the
3  * Administrator of the National Aeronautics and Space Administration.
4  * All rights reserved.
5  *
6  * The NASA Tensegrity Robotics Toolkit (NTRT) v1 platform is licensed
7  * under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  * http://www.apache.org/licenses/LICENSE-2.0.
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
15  * either express or implied. See the License for the specific language
16  * governing permissions and limitations under the License.
17 */
18 
19 #ifndef SCARRARM_CONTROLLER_H
20 #define SCARRARM_CONTROLLER_H
21 
30 // This library
31 #include "core/tgObserver.h"
33 #include <vector>
34 
35 // Forward declarations
36 class ScarrArmModel;
37 
38 //namespace std for vectors
39 using namespace std;
40 
47 class ScarrArmController : public tgObserver<ScarrArmModel>
48 {
49 public:
50 
56  // Note that currently this is calibrated for decimeters.
57  ScarrArmController(const double prefLength, double timestep);
58 
62  virtual ~ScarrArmController() { }
63 
64  virtual void onSetup(ScarrArmModel& subject);
65 
66  virtual void onStep(ScarrArmModel& subject, double dt);
67 
68 protected:
69 
70  virtual vector< vector <double> > transformActions(vector< vector <double> > act);
71 
72  virtual void applyActions (ScarrArmModel& subject, vector< vector <double> > act);
73 
74 private:
75  double m_initialLengths;
76  double m_totalTime;
77  double dt;
78  AnnealAdapter evolutionAdapter;
79 
80  void setBrachioradialisTargetLength(ScarrArmModel& subject, double dt);
81  void setAnconeusTargetLength(ScarrArmModel& subject, double dt);
82  void moveAllMotors(ScarrArmModel& subject, double dt);
83  void updateActions(ScarrArmModel& subject, double dt);
84 };
85 
86 #endif // SCARRARM_CONTROLLER_H
Definition of tgObserver class.
Defines a class AnnealAdapter to pass parameters from AnnealEvolution to a controller. Adapting NeuroEvolution to do Simulated Annealing.