نتایج جستجو برای: trajectory model

تعداد نتایج: 2138121  

2000
ROBERT J. VANDERBEI

In this first paper, we consider how to putt a golf ball on an uneven green so that it arrives at the cup with minimal speed.

2008
Mukesh A. Zaveri Uday B. Desai

Particle filtering is being investigated extensively due to its important feature of target tracking based on nonlinear and non-Gaussian model. It tracks a trajectory with a known model at a given time. It means that particle filter tracks an arbitrary trajectory only ifthe time instant when trajectory switches from one model to another model is known apriori. Because of this reason particle fi...

Journal: :IEICE Transactions 2017
Hao Wang GaoJun Liu Jianyong Duan Lei Zhang

Existing studies on transportation mode detection from global positioning system (GPS) trajectories mainly adopt handcrafted features. These features require researchers with a professional background and do not always work well because of the complexity of traffic behavior. To address these issues, we propose a model using a sparse autoencoder to extract point-level deep features from point-le...

Journal: :Entropy 2016
Lei Zhang Leijun Liu Zhanguo Xia Wen Li Qingfu Fan

Trajectory prediction is an important problem that has a large number of applications. A common approach to trajectory prediction is based on historical trajectories. However, existing techniques suffer from the “data sparsity problem”. The available historical trajectories are far from enough to cover all possible query trajectories. We propose the sparsity trajectory prediction algorithm base...

2014
Takayuki Osa Naohiko Sugita Mamoru Mitsuishi

Automation of robotic surgery has the potential to improve the performance of surgeons and the quality of the life of patients. However, the automation of surgical tasks has challenging problems that must be resolved. One such problem is adaptive online trajectory planning based on the state of the surrounding dynamic environment. This study presents a framework for online trajectory planning i...

2014
Hidehiko Shishido Yoshinari Kameda Itaru Kitahara Yuichi Ohta

This paper proposes a method to estimate position of a small moving object. It is difficult to fit dynamic model of a target object moving fast and anomalously. We focuses on a phenomenon that a high-velocity moving object is observed as a line-shaped region in captured images by motion blur. Shapefrom-silhouette technique is applied to estimate the 3D trajectory of the observed lines. We choos...

1987
Pradeep K. Khosla

In our previous research, we experimentally implemented and evaluated the effect of dynamics compensation in model-based control algorithms. In this paper, we evaluate the effect of changing the control sampling period on the performance of the computed-torque and independent joint control schemes. While the former utilizes the complete dynamics model of the manipulator, the latter assumes a de...

2016
Peter Schulam Raman Arora

Medical researchers are coming to appreciate that many diseases are in fact complex, heterogeneous syndromes composed of subpopulations that express different variants of a related complication. Longitudinal data extracted from individual electronic health records (EHR) offer an exciting new way to study subtle differences in the way these diseases progress over time. In this paper, we focus on...

Journal: :Advanced Robotics 1997
Jaydev P. Desai Milos Zefran Vijay Kumar

The main objective of this paper is to study human dual arm manipulation tasks and to develop a computational model that predicts the trajectories and the force distribution for the coordination of two arms moving an object between two given positions and orientations in a horizontal plane. Our ultimate goal is to understand the dynamics of human dual arm coordination in order to develop better...

Journal: :J. Global Optimization 2009
Massimiliano Vasile Marco Locatelli

In this paper we consider a global optimization method for space trajectory design problems. The method, which actually aims at finding not only the global minimizer but a whole set of low-lying local minimizers (corresponding to a set of different design options), is based on a domain decomposition technique where each subdomain is evaluated through a procedure based on the evolution of a popu...

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