Towards a framework for certification of reliable autonomous systems

M Fisher, V Mascardi, KY Rozier, BH Schlingloff… - Autonomous Agents and …, 2021 - Springer
A computational system is called autonomous if it is able to make its own decisions, or take
its own actions, without human supervision or control. The capability and spread of such …

Differential-algebraic dynamic logic for differential-algebraic programs

A Platzer - Journal of Logic and Computation, 2010 - academic.oup.com
We generalize dynamic logic to a logic for differential-algebraic (DA) programs, ie discrete
programs augmented with first-order differential-algebraic formulas as continuous evolution …

Formal verification of curved flight collision avoidance maneuvers: A case study

A Platzer, EM Clarke - International Symposium on Formal Methods, 2009 - Springer
Aircraft collision avoidance maneuvers are important and complex applications. Curved
flight exhibits nontrivial continuous behavior. In combination with the control choices during …

Computing differential invariants of hybrid systems as fixedpoints

A Platzer, EM Clarke - … 20th International Conference, CAV 2008 Princeton …, 2008 - Springer
We introduce a fixedpoint algorithm for verifying safety properties of hybrid systems with
differential equations whose right-hand sides are polynomials in the state variables. In order …

Volume sampled voxelization of geometric primitives

SW Wang, AE Kaufman - Proceedings Visualization'93, 1993 - ieeexplore.ieee.org
We present a 3-D antialiasing algorithm for voxel-based geometric models. The technique
band-limits the continuous object before sampling it at the desired 3-D raster resolution. By …

A formally verified hybrid system for the next-generation airborne collision avoidance system

JB Jeannin, K Ghorbal, Y Kouskoulas… - … 2015, Held as Part of the …, 2015 - Springer
Abstract The Next-Generation Airborne Collision Avoidance System (ACAS X) is intended to
be installed on all large aircraft to give advice to pilots and prevent mid-air collisions with …

ICAROUS: Integrated configurable algorithms for reliable operations of unmanned systems

M Consiglio, C Muñoz, G Hagen… - 2016 IEEE/AIAA 35th …, 2016 - ieeexplore.ieee.org
NASA's Unmanned Aerial System (UAS) Traffic Management (UTM) project aims at enabling
near-term, safe operations of small UAS vehicles in uncontrolled airspace, ie, Class G …

A formally verified hybrid system for safe advisories in the next-generation airborne collision avoidance system

JB Jeannin, K Ghorbal, Y Kouskoulas… - International Journal on …, 2017 - Springer
Abstract The Next-Generation Airborne Collision Avoidance System (ACAS X) is intended to
be installed on all large aircraft to give advice to pilots and prevent mid-air collisions with …

Hybrid theorem proving of aerospace systems: Applications and challenges

K Ghorbal, JB Jeannin, E Zawadzki, A Platzer… - Journal of Aerospace …, 2014 - arc.aiaa.org
Complex software systems are becoming increasingly prevalent in aerospace applications:
in particular, to accomplish critical tasks. Ensuring the safety of these systems is crucial, as …

3-d decentralized prioritized motion planning and coordination for high-density operations of micro aerial vehicles

X Ma, Z Jiao, Z Wang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper presents a decentralized motion planning method for multiple aerial vehicles
moving among 3-D polygonal obstacles resembling an urbanlike environment. The …