The ISRO Inertial Systems Unit (IISU) is a research and development unit of the Indian Space Research Organisation

Indian Space Research Organisation

The Indian Space Research Organisation is an independent Indian governmental agency established in 1969 for the research and development of vehicles and activities for the exploration of space within and outside of Earth’s atmosphere. Headquartered in Bangalore...

 located in Thiruvananthapuram

Thiruvananthapuram

Thiruvananthapuram , formerly known as Trivandrum, is the capital of the Indian state of Kerala and the headquarters of the Thiruvananthapuram District. It is located on the west coast of India near the extreme south of the mainland...

 that specialises in inertia

Inertia

Inertia is the resistance of any physical object to a change in its state of motion or rest, or the tendency of an object to resist any change in its motion. It is proportional to an object's mass. The principle of inertia is one of the fundamental principles of classical physics which are used to...

l sensor

Sensor

A sensor is a device that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument. For example, a mercury-in-glass thermometer converts the measured temperature into expansion and contraction of a liquid which can be read on a calibrated...

s and systems in satellite technology. It's
specialized fields include the fields of launch vehicle

Launch vehicle

In spaceflight, a launch vehicle or carrier rocket is a rocket used to carry a payload from the Earth's surface into outer space. A launch system includes the launch vehicle, the launch pad and other infrastructure....

inertial systems, spacecraft inertial systems, inertial sensors evaluation and simulation , inertial system production, inertial systems electronic production, reliability and quality assurance and advanced inertial systems group.