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Nao Dialogue System

The code aims to give the robot basic conversation abilities, this includes a speech recognition module, a conversational engine to formulate the answers and the speech synthesis. The dialogue is purpose-less, this means that no task is pursued except a normal and pleasant interaction (this is the objective). It can be used as a fall-back system also for a task oriented interaction, often the counterpart tends to ramble or to test the IQ of the robot asking general questions.
Pepper Robot version available here

Video of the Result

Nao Dialogue

Installation

With git bash you have to clone, possibly with SSH, the repository with the following command.
Pay attention to clone also the submodules with the --recurse-submodules or some parts of the project will miss

git clone --recurse-submodules <repo_link>

Setup

Just control the Dependencies, check in your system if everything is installed. Or create an Anaconda environment with Python2 and Jupyter Notebook:

conda create -n python2 python=2.7 anaconda ipykernel
source activate python2
  • Download the NAOqi Python SDK
  • Create an Environment Variable called PYTHONPATH and set it to path\to\python-sdk\lib

Robot Setup

  • Connect Nao to the Ethernet with a LAN cable behind its head
  • Turn it on and wait a few minutes
  • Press the button in the chest and the robot should say the IP Address outloud
  • Your computer must be on the same network of the robot
  • Insert the IP Address in a browser, the default creadentials for the robot are username: "nao" and password: "nao", now you are connected to the robot settings interface.
  • Connect to a WiFi network if you want to operate without cable, reboot, obtain the new robot-IP-Address pressing again the button.

Run

In the python2 environment, Run and follow the steps in the notebook Dialogue-Nao.ipynb

Note

REMEMBER TO TURN ON THE SPEECH RECOGNITION SERVICE, in parallel with the notebook, with a shell in the speech-recognition folder. If the folder is empty probably you didn't clone with the submodules commands.
Use python 2.7, or activate the Anaconda environment with: conda activate python2 , and run the service in the folder:

python module_speechrecognition.py --pip <robot-IP-Address>

or, if you want to run the speech recognition service on the robot, everything you need should already be installed, simply clone the pepperspeechrecognition folder to your robot, ssh into it and run:

python module_speechrecognition.py

Test conversational engine

to run the conversational engine for manual tests execute the following command in a shell:

java -cp lib/Ab.jar Main bot=en

Dependencies

The Speech Recognition module was built to be able to run ON Robot computer (in the head) so, if you run it on your computer, it's only dependencies are:

The Conversational Engine works with:

  • Java (because no AIML-2.0 systems in Python 2 were found)

The Speech Synthesis runs in the robot and works with:

All of them are pre-installed on the robot, if you want to run on your computer the speech recognition just create an environment that has all them, the one created with Anaconda should be fine.

Errors you might encounter

java.io.FileNotFoundException: Dialogue-Nao-Robot/bots/en/aimlif/xyz.aiml.csv (No such file or directory)

(Ab.jar) is looking for .csv files, these should be generated automatically from the .aiml files in the "aimlif" folder. They are simply a faster less-readable copy of the originals. (so they are not included in the repo)

  • simply create a folder "aimlif" next to the "aiml" one-

Built With

  • Python 2.7

Changelog

Version 1.0 - Initial release, 20 July 2022

Authors

  • Igor Lirussi @ BOUN Boğaziçi University - CoLoRs (Cognitive Learning and Robotics) Lab

License

This project is licensed under a License - see the LICENSE file for details

Acknowledgments