The liberty Electromagnetic tracking sensors from Polhemus are used to measure position and orientation in space. We are using 16 such sensors to mount on finger phanax and measure kinematics of human hand. 1.8mm diameter micro sensor provides full 6DOF tracking with 1.27 micron position resoultion and upto 0.0004 degree orientation resolution. We thank the cognitive science research initiative of Department of Science and technology for their generous support in getting this equipment.
The Nano 17 and Nano 25 sensors from ATI are used in measuring finger tip forces in all three directions. We have a set of 5 of these sensors that can be fit into objects of various sizes/shapes and many tasks can be studied. We thank IIT Madras for funding this equipment through the new faculty seed grant.
These sensors are used for measuring compressive normal forces (max 440 N). These can be used in studies that involve isometric force production (pressing)
The NI Educational Laboratory Virtual Instrumentation Suite (NI ELVIS) is useful for hands-on experience, prototyping. NI ELVIS (II+) features an integrated suite of commonly used instruments in a single compact form factor designed for education.
Vernier Bioinstrumentation Sensor kit contains Analog Proto board connector(s),Blood Pressure Sensor, Hand Dynamometer, Hand grip Heart Rate Monitor, EKG Sensor, Surface Temperature Sensor, Spirometer,among others.
To measure the friction coefficient between finger tip and material we have developed friction measurement system which consists of a Teensy microcontroller, ATI Nano17 and Labview to measure coefficient values
These linear DC servo motors from Faulhaber MiniMotor, Switzerland are used to build an object whose shape changes while it is being grasped. Each motor is controlled independently, resulting in various shapes. We plan to use this setup to study changes in fingertip force coordination as a result of object shape change.
The 16 bipolar channel EMG acquisition system is built using RHD2216 research quality digital electrophysiology interface chip. This small front end module are capable of acquiring up to 16 EMG channels.
Weller soldering station with inbuilt temperature controller, Digital Storage Oscilloscope for FFT analysis, Multiple Power supply source and Single board computer (SBC) and other accessories.
Accelerometer can measure accelerations in 3 independent axes X,Y,Z. The ACL300(accelerometer) will measure both dynamic acceleration (i.e. vibration) and static acceleration (i.e. gravity). They have three separate channels for 3 axes, which can be interfaced with the computer via NI DAQ.
The 8 channel (24-bit) EEG acquisition system is built using ADS1299 research quality Texas Instruments interface chip. This small front end module are capable of acquiring up to 8 EEG channels.
Laser distance sensor(OADM 12U6460/S35A ) can measure the change in the displacement with a sub millimeter resolution (0.002 to 0.12mm) and has a range of 16 to 120mm. This sensor can be easily interfaced with the computer using NI DAQ 6255 or NI DAQ 6212.