
Technologies
➤ Tightly Coupled INS-GPS UKF
Unscented Kalman filter for position, velocity, attitude estimation that works even in partially GPS denied environments.
All Unmanned Vehicles (Air/Land)
➤ Teragrid
Vision based indoor localization
Indoor mobile robots primarily for warehouse navigation
➤ Attitude Heading Reference System (AHRS)
Fully inertial solution for attitude estimation
All unmanned vehicles and alignment systems
➤ Aerodata Estimation From Flight Tests
Determine Aerodynamic data of Fixed wing planes from flight tests of a scaled model
Eliminates need for wind tunnel tests
➤ Synthetic Air Data System
Unscented Kalman filter to estimate Angle of attack and sideslip from inertial sensors and aerodatabase
Auxillary stand by sensor for large aircraft or stand alone system for small aircraft
➤ Radar Camera Fusion
Use of multiple sensors with different characteristics to provide a comprehemsive picture of the surroundings
All Unmanned Systems
➤ Radar Camera Fusion
Estimates mass of aircraft due to changes in payload/fuel
All aerial sytems
➤ Quatos Robust Adaptive Attitude Controller
Reconfigurable flight control system
Allows the craft to fly in severe external disturbances and actuator failure
➤ Adaptive Thrust Control
Actuators work in closed loop to counter external disturbances like wind
All VTOL systems
➤ Control Redundancy
In case one flight controller fails, another takes over and so on...
All large unmanned systems
➤ Control Bus Redundancy
Redirects commands onto uncongested control bus
Large systems
➤ Hardware In Loop Simulator (HILS)
Serves as a test bed for navigation and control law implementation
All manned/unmanned systems
➤ Swarm Simulator
Serves as a test bed for swarm control law implementations
All unmanned systems
➤ Stardust
Network centric platform for multiple opertors to manage multiple unmanned systems
All large vehicle/drone fleets
➤ Paradox Encryption
Reliable low overhead secure Asymmetric key communications
All communication systems
➤ Hybrid Power Systems
Using an alternator to recharge a battery pack
Auxillary power systems for aircraft
➤ Active Battery Management Systems
Automatic efficient cell balancing
All electric vehicles
➤ Direct Drive Systems
Serial and parallel hybrid drive chains
Hybrid vehicles
➤ Dynamic Control Allocation
Prevents control saturation by redirecting control authority to other actuators
All unmanned systems
➤ Yaw Decoupling
Prevents toppling of a multirotor with just 3 working motors
All multirotors
➤ Adaptive Navigation Controller
Follows desired trajectory despite external disturbances
All Aerial/aquatic systems
➤ Activ Avoidance
Allows care free automated flight amidst obstacles that are user designated or detected using a suitable vision based system
All VTOL systems
➤ Analytical gain tuning for nonlinear flight control laws
Theoretically proven and derivable control law tuning, necessary for certification of large craft
Aerial systems
➤ Thrust Vectoring
Greater maneuverability in Fixed wing and multirotors
Aerial systems
➤ Actuator Feedback
Incorporating feedback of actuator position into control law provides a larger phase margin for stability
Improved tracking performance in Aerial/ Aquatic systems
➤ Field Oriented Control
Efficient motor control
All PMSM/BLDC motors