Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Planar Rigid-Body Motion

Planar Rigid-Body Motion

Understanding the movement of a rigid body in planar motion involves recognizing that every particle within this body is traversing a path that maintains a consistent distance from a specific plane. This concept is fundamental in the study of physics and mechanical engineering, and it allows us to comprehend better how objects move in space.
Planar motion is typically divided into three distinct categories. The first is rectilinear translation, demonstrated by a subway train that moves along...

Relative Motion Analysis using Rotating Axes-Problem Solving

Relative Motion Analysis using Rotating Axes-Problem Solving

Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...

Absolute Motion Analysis- General Plane Motion

Absolute Motion Analysis- General Plane Motion

Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...

Orthogonal Trajectories

Orthogonal Trajectories

Orthogonal trajectories describe the geometric relationship between two families of curves that intersect each other at right angles. One illustrative case involves a family of parabolas that open sideways along the x-axis. These curves share a common shape but differ by a scaling parameter, resulting in a set of curves that all pass through the origin and widen at different rates.Determining Orthogonal TrajectoriesTo identify the orthogonal trajectories for these parabolas, the first step...

Rolling Resistance: Problem Solving

Rolling Resistance: Problem Solving

Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...

Relative Motion Analysis using Rotating Axes

Relative Motion Analysis using Rotating Axes

Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Toward autonomous robotic-assisted and microrobotic surgery.

Science advances·2026

Same author

Evaluation of Serum Adipocytokines and Cystatin C As Early Biomarkers in Chronic Kidney Disease Patients and Their Relation to Endothelial Dysfunction.

Cureus·2026

Same author

Decoding carbon, water, and energy exchange driven by agricultural and horticultural intensification in semi-arid ecosystem of India.

Environmental monitoring and assessment·2026

Same author

Successful Outcome of Rhino-Orbital-Cerebral Mucormycosis With Extensive Intracranial Disease in a Patient With Poorly Controlled Diabetes.

The Permanente journal·2026

Same author

Incidence and Outcomes of Metastatic Patterns of Pancreatic Ductal Adenocarcinoma.

The American surgeon·2025

Same author

Management of Hypertension and Associated Comorbidities: An Expert Consensus Statement from India.

The Journal of the Association of Physicians of India·2025

Search research articles

Related Experiment Video

Updated: May 25, 2026

Assessing Human Spatial Navigation in a Virtual Space and its Sensitivity to Exercise

Assessing Human Spatial Navigation in a Virtual Space and its Sensitivity to Exercise

Published on: January 26, 2024

Rapidly-Exploring Roadmaps: Weighing Exploration vs. Refinement in Optimal Motion Planning.

Ron Alterovitz¹, Sachin Patil, Anna Derbakova

¹Department of Computer Science, University of North Carolina at Chapel Hill, Chapel Hill, NC 27517, USA {ron,sachin,anya}@cs.unc.edu.

IEEE International Conference on Robotics and Automation : ICRA : [Proceedings]. IEEE International Conference on Robotics and Automation

|February 2, 2012

Summary

The new rapidly-exploring roadmap (RRM) method balances exploring unknown areas and refining known paths for optimal motion planning. This approach enhances pathfinding efficiency in complex robotic applications.

More Related Videos

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Related Experiment Videos

Last Updated: May 25, 2026

Assessing Human Spatial Navigation in a Virtual Space and its Sensitivity to Exercise

Assessing Human Spatial Navigation in a Virtual Space and its Sensitivity to Exercise

Published on: January 26, 2024

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Area of Science:

Robotics
Artificial Intelligence
Computational Geometry

Background:

Optimal motion planning is crucial for robotics, requiring efficient exploration of configuration spaces.
Existing methods often struggle to balance exploration and refinement, leading to suboptimal paths or slow convergence.

Purpose of the Study:

To introduce the rapidly-exploring roadmap (RRM) method for single-query optimal motion planning.
To enable users to control the trade-off between exploring new regions and refining existing paths.

Main Methods:

RRM initially explores the configuration space similar to rapidly-exploring random trees (RRT).
After finding an initial path, RRM uses a user-defined parameter to balance further exploration versus refining the roadmap by adding edges.
This allows for dynamic adjustment between discovering new space and improving path quality.

Main Results:

Demonstrated RRM's effectiveness in optimizing motion plans by balancing exploration and refinement.
Showcased the method's performance on a point robot in a 2D plane and a concentric tube robot for medical procedures.
Highlighted the explicit control over the exploration-refinement trade-off.

Conclusions:

RRM offers a novel approach to single-query optimal motion planning by managing the exploration-refinement balance.
The method provides flexibility for applications requiring different priorities between path discovery and quality.
RRM shows promise for complex robotic systems, including those in minimally invasive medical procedures.