This product was developed from
the technologies of the following awarded US Patents: 6,127,970;
6,234,799; 6,298,318; 6,473,034 and6,735,523.
IMU Real-Time Simulator is designed to dramatically reduce the need
to perform expensive and time-consuming field trials for testing,
evaluating and qualifying vehicles. Parametric inputs allow the
system under test to accommodate the specific configuration of interest,
including motion description, vibration model, environmental model,
sensor and system error model and parameter estimation considerations.
Real-time hardware-in-the-loop evaluations and general purpose off-line
simulations are readily accommodated.
The RTIS is designed for use in many applications, including:
- 6DOF motion editor and generation
- Ground test of installed systems
- Laboratory hardware-in-the-loop dynamic simulation
- GNC system analysis and development
- Time-tagged data packet generation for off-line
simulation and analysis
Used as Installed System Test Equipment,
it generates IMU signals on the ground, under static conditions,
identical to what would be encountered if the vehicle was flying.
Its design features support the final integration of a developmental
Guidance, Navigation, or Control (GNC) system installed in a vehicle.
It assures testers that GNC avionics on-board the vehicle work properly
before and during a flight test. It also helps to debug on-board
GNC avionics and verify system performance.
The RTIS receives real-time flight
data from the 6 DOF flight simulator and generates IMU electronic
signals according to the IMU measurement models and error models
defined by the user. Emulated electronic signals are injected into
the installed avionics system which causes the on-board GNC system
computer into "thinking" that the vehicle is actually
In the engineering field basically
all of our work involves MDASE (Modeling, Design, Analysis, Simulation,
Evaluation); the RTIS is designed to circumvent the need to repeatedly
execute field tests. For example it:
- Simulates various guidance, navigation and control
- Improves the design by executing multiple simulations
and comparisons of the simulation results
- Permits analysis of the modeled and designed
structure for grading and further improvements
Evaluates system performance
in order to prevent expending resources in field testing (field
tests for guidance, navigation and control systems are very
costly and complex)
The RTIS provides an extensive software emulation
of IMU signals with derived signals related to variables, such as,
position, velocity, acceleration, attitude and angular rates, and
with flexibility for interfacing to open or closed-loop hardware-in-the-loop
Electronic Signal Generation.
Five types of signals can be produced: analog, pulse, digital serial,
digital parallel and time-tagged data packets. The generated IMU
signals are injected into the installed system to excite the navigation
or guidance system electronics and computers during the emulated
ground test or the hardware-in-the-loop laboratory test.
Defined Simulator Configuration and Operation Mode.
The intelligent graphic user interface (GUI)
lets the user select the connection to the 6DOF trajectory generator,
choose the IMU signal type and format, set the IMU error models,
and assign the signals to be displayed.
of IMU Models and Signal Configurations.
System Structure Design. The open
structure computation platform provides advantages of hardware configurability
and implementation flexibility.
Signal and Connection Design.
Can meet the requirements of military and commercial applications.
High Reliability and Excellent Electromagnetic