Robobot architecture
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Revision as of 13:24, 16 September 2023
Back to Robobot B
Contents |
NASREM
The software architecture is based on the old NASREM architecture, and this is the structure for the description on this page.
The National Aeronautics and Space Administration (NASA) and the US National Institute of Standards and Technology (NIST) have developed a Standard Reference Model Telerobot Control System Architecture called NASREM. Albus, J. S. (1992), A reference model architecture for intelligent systems design.
Figure 1. The NASREM model divides the control software into a two-dimensional structure. The columns are software function: Sensor data processing, modelling and behaviour control.
Level 1
Figure 2. The lowest level in the control software. The encoder ticks are received form the hardware (from the Teensy microprocessor) in the sensor interface. The encoder values are then modeled into an odometry pose. The pose is used to control the wheel velocity using a PID controller. The desired wheel velocity for each wheel is generated in the mixer from a desired linear and rotational velocity.
Detailed description
More robobot level 1 details of the individual blocks.
Level 2
Figure 3. At level 2 further sensor data is received, modelled and used as optional control sources.
