Search Results for author: Grace Gao

Found 8 papers, 3 papers with code

Spreading Code Optimization for Low-Earth Orbit Satellites via Mixed-Integer Convex Programming

no code implementations19 Apr 2024 Alan Yang, Tara Mina, Grace Gao

Optimizing the correlation properties of spreading codes is critical for minimizing inter-channel interference in satellite navigation systems.

Spoofing-Resilient LiDAR-GPS Factor Graph Localization with Chimera Authentication

1 code implementation10 Jul 2023 Adam Dai, Tara Minda, Ashwin Kanhere, Grace Gao

Our proposed framework combines GPS pseudorange measurements with LiDAR odometry to provide a robust navigation solution.

Position

Binary sequence set optimization for CDMA applications via mixed-integer quadratic programming

no code implementations1 Nov 2022 Alan Yang, Tara Mina, Grace Gao

Finding sets of binary sequences with low auto- and cross-correlation properties is a hard combinatorial optimization problem with numerous applications, including multiple-input-multiple-output (MIMO) radar and global navigation satellite systems (GNSS).

Combinatorial Optimization

Mosaic Zonotope Shadow Matching for Risk-Aware Autonomous Localization in Harsh Urban Environments

no code implementations30 Apr 2022 Daniel Neamati, Sriramya Bhamidipati, Grace Gao

We extend our prior work to propose Mosaic Zonotope Shadow Matching (MZSM) that employs a classifier-agnostic polytope mosaic architecture to provide risk-awareness and certifiable guarantees on urban positioning.

Safe Reinforcement Learning Using Black-Box Reachability Analysis

1 code implementation15 Apr 2022 Mahmoud Selim, Amr Alanwar, Shreyas Kousik, Grace Gao, Marco Pavone, Karl H. Johansson

Reinforcement learning (RL) is capable of sophisticated motion planning and control for robots in uncertain environments.

Motion Planning reinforcement-learning +2

Ellipsotopes: Combining Ellipsoids and Zonotopes for Reachability Analysis and Fault Detection

1 code implementation3 Aug 2021 Shreyas Kousik, Adam Dai, Grace Gao

This paper introduces ellipsotopes, a set representation that is closed under affine maps, Minkowski sums, and intersections.

Fault Detection

Navigating Robot Swarms Using Collective Intelligence Learned from Golden Shiner Fish

no code implementations30 Jun 2014 Grace Gao

We apply such collective intelligence learned from golden shiner fish to navigating robot swarms.

Decision Making Navigate

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