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Technologies & Capabilities

Analytical gain tuning for nonlinear flight control laws

Theoretically proven and derivable control law tuning, necessary for certification of large craft

Adaptive Thrust Control

Actuators work in closed loop to counter external disturbances like wind

Quatos Robust Adaptive Attitude Controller

Reconfigurable robust inner loop flight control system.

Aerodata Estimation From Flight Tests

Determine Aerodynamic data of Fixed wing planes from flight tests of a scaled model

Parallel Hybrid System

Parallel hybrid systems allow an electric motor and IC Engine to power the drive train simultaneously

Tightly Coupled INS-GPS UKF

Unscented Kalman filter for position, velocity, attitude estimation that works even in partially GPS denied environments

Adaptive Navigation Controller

Follows desired trajectory despite external disturbances

Actuator Feedback

Incorporating feedback of actuator position into control law provides a larger phase margin for stability

Serial Hybrid System

Serial hybrid systems use an IC engine to turn an alternator and charge a battery using power electronic converters.

Dynamic Control Allocation

Prevents control saturation by redirecting control authority to other actuators

Attitude Heading Reference System (AHRS)

Fully inertial solution for attitude estimation

Yaw Decoupling

Prevents toppling of a multirotor even if it has just 3 working motors

Stardust

Network centric platform for multiple opertors to manage multiple unmanned systems.

Thrust Vectoring

Greater maneuverability in Fixed wing and multirotors

Control Bus Redundancy

Redirects actuator commands onto uncongested control bus

Synthetic Air Data System

Unscented Kalman filter to estimate Angle of attack and sideslip from inertial sensors and Aerodatabase

Teragrid

Vision based indoor localization

Aquagrid

Underwater positioning system that acheives accuracy of LBL at a fraction of the cost.

Hardware In Loop Simulator (HILS)

Serves as a test bed for navigation and control law implementation


Radar Camera Fusion

Use of multiple sensors with different characteristics for robust obstacle detection



Swarm Simulator

Serves as a simulation and test bed for swarm control law implementations


Paradox Encryption

Reliable low overhead secure asymmetric key encryption

Active Avoidance

Allows care free automated flight amidst obstacles that are user designated or detected using a suitable vision based system.

Control Redundancy

In case one flight controller fails, another takes over and so on...

Real Time Mass Estimator

Estimates mass of aircraft due to changes in payload/fuel

Field Oriented Control

Efficient vector based motor control

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