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Self-attention-based transformer models have achieved tremendous success in the domain of natural language processing. Despite their efficacy, accelerating the transformer is challenging due to its quadratic computational complexity and…

Hardware Architecture · Computer Science 2023-05-02 Shikhar Tuli , Niraj K. Jha

We present a method for finding individual excited states' energy stationary points in complete active space self-consistent field theory that is compatible with standard optimization methods and highly effective at overcoming difficulties…

Strongly Correlated Electrons · Physics 2019-04-12 Lan Nguyen Tran , Jacqueline A. R. Shea , Eric Neuscamman

Reinforcement learning (RL) emerges as a promising data-driven approach for adaptive traffic signal control (ATSC) in complex urban traffic networks, with deep neural networks substantially augmenting its learning capabilities. However,…

Artificial Intelligence · Computer Science 2025-02-25 Yuli Zhang , Shangbo Wang , Dongyao Jia , Pengfei Fan , Ruiyuan Jiang , Hankang Gu , Andy H. F. Chow

As an alternative to both classical PID-type and modern model-based approaches to solving control problems, active disturbance rejection control (ADRC) has gained significant traction in recent years. With its simple tuning method and…

Systems and Control · Electrical Eng. & Systems 2024-08-01 Gernot Herbst

It is well known that finding a global optimum is extremely challenging for nonconvex optimization. There are some recent efforts \cite{anandkumar2016efficient, cartis2018second, cartis2020sharp, chen2019high} regarding the optimization…

Optimization and Control · Mathematics 2020-08-11 Xihua Zhu , Jiangze Han , Bo Jiang

Estimation of nonlinear dynamic models from data poses many challenges, including model instability and non-convexity of long-term simulation fidelity. Recently Lagrangian relaxation has been proposed as a method to approximate simulation…

Systems and Control · Computer Science 2018-10-12 Jack Umenberger , Ian R. Manchester

A safe and robust on-road navigation system is a crucial component of achieving fully automated vehicles. NVIDIA recently proposed an End-to-End algorithm that can directly learn steering commands from raw pixels of a front camera by using…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Yilun Chen , Praveen Palanisamy , Priyantha Mudalige , Katharina Muelling , John M. Dolan

We propose an alternating subgradient method with non-constant step sizes for solving convex-concave saddle-point problems associated with general convex-concave functions. We assume that the sequence of our step sizes is not summable but…

Optimization and Control · Mathematics 2023-05-26 Hui Ouyang

The aim of multi-agent reinforcement learning systems is to provide interacting agents with the ability to collaboratively learn and adapt to the behavior of other agents. In many real-world applications, the agents can only acquire a…

Artificial Intelligence · Computer Science 2019-10-10 Mingyang Geng , Kele Xu , Yiying Li , Shuqi Liu , Bo Ding , Huaimin Wang

Autonomous navigation of ground robots has been widely used in indoor structured 2D environments, but there are still many challenges in outdoor 3D unstructured environments, especially in rough, uneven terrains. This paper proposed a…

Robotics · Computer Science 2022-09-28 Zhuozhu Jian , Zihong Lu , Xiao Zhou , Bin Lan , Anxing Xiao , Xueqian Wang , Bin Liang

Optimal-control techniques and a fast-approach scheme are used to implement a collisional control phase gate in a model of cold atoms in an optical lattice, significantly reducing the gate time as compared to adiabatic evolution while…

Quantum Physics · Physics 2007-05-23 Dan Vager , Bilha Segev , Y. B. Band

To navigate in an environment safely and autonomously, robots must accurately estimate where obstacles are and how they move. Instead of using expensive traditional 3D sensors, we explore the use of a much cheaper, faster, and higher…

Robotics · Computer Science 2023-05-30 Siddharth Ancha , Gaurav Pathak , Ji Zhang , Srinivasa Narasimhan , David Held

One of the main challenges in managing traffic at multilane intersections is ensuring smooth coordination between human-driven vehicles (HDVs) and connected autonomous vehicles (CAVs). This paper presents a novel traffic signal control…

Multiagent Systems · Computer Science 2025-11-05 Manonmani Sekar , Nasim Nezamoddini

Mobile robots should be capable of planning cost-efficient paths for autonomous navigation. Typically, the terrain and robot properties are subject to variations. For instance, properties of the terrain such as friction may vary across…

Robotics · Computer Science 2024-09-19 Jan Achterhold , Suresh Guttikonda , Jens U. Kreber , Haolong Li , Joerg Stueckler

A Newton-type active set algorithm for large-scale minimization subject to polyhedral constraints is proposed. The algorithm consists of a gradient projection step, a second-order Newton-type step in the null space of the constraint matrix,…

Optimization and Control · Mathematics 2021-01-12 William W. Hager , Davoud Ataee Tarzanagh

Anderson acceleration is a well-established and simple technique for speeding up fixed-point computations with countless applications. Previous studies of Anderson acceleration in optimization have only been able to provide convergence…

Optimization and Control · Mathematics 2020-06-16 Vien V. Mai , Mikael Johansson

In this paper, we describe a new active-set algorithmic framework for minimizing a non-convex function over the unit simplex. At each iteration, the method makes use of a rule for identifying active variables (i.e., variables that are zero…

Optimization and Control · Mathematics 2020-05-19 Andrea Cristofari , Marianna De Santis , Stefano Lucidi , Francesco Rinaldi

Alternating projection method has been used in a wide range of engineering applications since it is a gradient-free method (without requiring tuning the step size) and usually has fast speed of convergence. In this paper, we formalize two…

Optimization and Control · Mathematics 2019-07-23 Zhihui Zhu , Xiao Li

This paper introduces the Adaptive Learning Path Navigation (ALPN) system, a novel approach for enhancing E-learning platforms by providing highly adaptive learning paths for students. The ALPN system integrates the Attentive Knowledge…

Artificial Intelligence · Computer Science 2023-06-22 Jyun-Yi Chen , Saeed Saeedvand , I-Wei Lai

RRT* is an efficient sampling-based motion planning algorithm. However, without taking advantages of accessible environment information, sampling-based algorithms usually result in sampling failures, generate useless nodes, and/or fail in…

Robotics · Computer Science 2022-07-19 Chenxi Feng , Haochen Wu
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