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This page is currently under development, please check back in the future for updates
For more information on the BioTac sensor visit: SynTouch Website
Package Summary (temp)
This stack contains data publishers, message structures and other useful tools for custom applications using SynTouch’s BioTac sensor in ROS.
Authors: Abhishek Pawar, Gary Lin, and Jeremy Fishel, contact: firstname.lastname@example.org
Maintained by: Abhishek Pawar / email@example.com
- License: GPL
External Website: http://www.syntouchllc.com
- Source: (software currently under development)
Each BioTac sensor is configured to sample the following channels: voltages over the 19 electrodes (E1-E19), dynamic and static pressure (Pac and Pdc), dynamic and static temperature (Tac and Tdc), and the hall sensor (Hall) (See the BioTac wiki page for additional details on the sensory modalities and channels).
The internal electronics of the BioTac are configured to sample and digitize sensory channels at 12 bits and communicate with a host device digitally using SPI communication protocol; data are sampled upon receiving a command from the SPI master that specifies which channel to sample. The SPI master can be configured to sample multiple BioTacs simultaneously and is responsible for controlling the timing and sampling sequence. SynTouch currently supports the Cheetah SPI Host Adapter (Total Phase) as the standard for communicating with the BioTacs in most applications. Shadow Robot Company has also integrated the ability to sample the BioTacs into their Dexterous Hand.
This stack contains packages for acquiring BioTac data from supported hardware, signal processing of raw BioTac data, and other useful tools for working with the BioTacs in ROS. All data acquisition packages supported by SynTouch have been designed to publish to the same message format so that subscribing nodes can make use of this information independent of the hardware used (in the instance of using multiple hardware ports, such as a two-handed robot, each port publishes data to its own topic).
The general concept for data flow is presented below:
INSERT THE ROS IMAGE OF THE STACK DATA FLOW
st_biotac: this package contains messages used in the BioTac Stack and other useful tools for configuring and using the BioTacs.
Data Acquisition Hardware Packages
st_cheetah: this package contains the ROS publisher for the BioTac data acquired by the Cheetah SPI Host Adapter.
Shadow Hand: this package is currently planned for development and will allow for publishing of BioTac data from the Shadow Hand to the standardized message format.
Signal Processing Packages
Tri-Axial Force Calculation
Point of Contact Calculation
UPDATE WHEN COMPLETE
If you are interested in contributing to the development of this stack or would like to add or help us add new function to a package please contact us at firstname.lastname@example.org
If you encounter a problem or need support please contact us at email@example.com
Report a bug