Examples of navigation

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
The wind then increased to gale force and breaking seas soon coated the superstructure in ice and made navigation more difficult due to reduced visibility.
An incremental navigation formula used the information about 3 possible rotations of the body in relation to a nonmoving world frame.
408 is a navigation method widely employed by both animals and mobile robots.
If we obtain perfect features, navigation on a topological map is equivalent to operation of finite state automata.
The application of a functionally similar homing method to indoor navigation is currently under investigation.
The work could be helpful to interface designers in deciding when and how to employ various navigation techniques.
Queries are often built by means of navigation.
The study thus concerns broadly defined human navigation, which may be constrained by locally customized but typologically common proper ties of spatial reference.
The example of the ship controller, however, refers to what seems to be a real problem in the navigation of bulk carriers and supertankers.
Ecient and eective retrieval, disorientation and cognitive overhead are major issues concerning interactive content selection and navigation.
The development of new multi-modal humanmachine interfaces and new navigation systems are current research robotic trends towards human-oriented robotics.
In general, to accomplish any real-life covert mission successfully, a robot will need to have one or more different covert navigation abilities.
Comfort and enjoyment increased significantly over time, with a marked preference for meaningful feedback, log ically organised content and easy navigation.
One type of obstacles to navigation consisted of those impediments created by humans.
View-based systems use ontology presentation and ontology navigation to support query construction and domain exploration.
The navigation task is defined by a 'reach goal ' typically a goal location or a heading often with a time constraint.
In that situation the two independent variables manipulated were: the navigation into the system and the time pressure of the user.
The book also covers aspects of behaviourorientated vision such as eye movements and visual navigation.
Section 4 describes the testing, in simulation and with actual mobile robots, of the proposed hybrid navigation system.
Figure 8 shows the frequency response of the normal loads on driven and steering wheels for three navigation velocities.
Fusing temporal information recursively is crucial to many applications, such as navigation, robotics, target identification, and multi-target tracking.
Example of a landmark array used for the navigation experiments.
From the end of the preprogrammed outward journey (dashed) towards the target position (0, 0) the robot is guided by landmark navigation (solid line).
The data can readily be used for navigation and path finding.
Layout and practical suggestions for navigation of these sites are described in detail.
We call these 'actions for military navigation', and seek to show how social and military navigation are interrelated.
The development of railways and the great strides in steam navigation gradually increased the number of regions that could be visited.
The results of the first collaborative study led to changes in tanker escort and navigation procedures.
Modern government ... is so complex an administrative enterprise, that seaworthiness inevitably takes pride of place over navigation.
Consumers would need to be 'shepherded' around the vast amount of online music content (using 'if you like that, you'll like this' navigation tools).
Interaction is seen as navigation in a context space.
Firstly, navigation was sometimes interrupted by natural obstacles and luggage and goods had to be hauled overland.
Ethical theories and casuistic procedures may be the "compass, chart, and rudder" of moral navigation, but by themselves get us nowhere.
The navigation bar provides additional functionality by providing direct links to main sections in the contents including the index.
The contents are broken down into a format similar to a book, except that, as should be expected, hyperlinks enable navigation between sections.
The navigation primitives are the same as before except that the type of locations is now parametric in the underlying term type.
In navigation, we enhanced the original human acceleration model by the implementation of virtual goals.
A parametric study shows how each parameter affects the performance of navigation.
In order to show the potential of the proposed system, several navigation experiments are being carried out.
Second, the contents of the landmark give highlevel information, which is naturally useful for topological navigation, as mentioned earlier.
A prerequisite for geometric navigation of a mobile robot is a position-finding method.
The event-based action scheme of the central part of the system responsible for data distribution and high level navigation is addressed in detail.
With uncertainties involved, an estimation method should adapt to the available information as well as the incremented knowledge during navigation.
Extensive simulation results are presented to illustrate the system behavior under the designed control scheme, and verify its stability, collision recovery, and navigation properties.
An appropriate navigation command is then selected based on the properties of this field.
The stars are nodes in the navigation graph.
One of the main concern for autonomous navigation in either unstructured or structured environments is collisionfree path planning, which requires a precise navigation system.
The system is organized in a threelayer architecture consisting of several agents that share the responsibility to achieve the navigation task.
Let us see an application of this concept in the navigation of a robot.
Autonomous robot navigation in an unstructured environment is a challenging task, which requires dealing with a large amount of uncertainty.
The path of pursuit is more curved than the path of parallel navigation.
To confirm our theoretical results, the navigation strategy is illustrated using an extensive simulation for different scenarios.
In order to adapt the parallel navigation to the obstacleavoidance mode, we discretize the robot kinematics equations.
There exist mainly two families of methods used for navigation toward a moving object: feature-based and model-based.
Their webpages must be adequately funded to allow them to have a professional appearance, easy site navigation, excellent content and to keep up to date.
Due to the topological nature of the navigation method proposed, the resultant poor odometry is not problematic.
Essential features of a topologically directed navigation language.
Possible solutions to this problem include use of extra geometric information to confirm topological interpretations, and querying the human director during navigation.
Manual navigation also fails to show that the achieved mapping is sufficient for autonomous navigation.
Figure 9 also presents the result of dead-reckoning navigation for comparison.
One of the most difficult challenges in mobile robotics is autonomous navigation in a real world.
Multi-agent system the whole navigation task establishing communication between them whenever it is necessary.
Relating to behavior based navigation,5,6 there are approaches that use topological maps for navigating.
Important properties of the navigation strategies are discussed and proven.
In the presence of obstacles a combination of local path planning and global path planning is used, where two navigation modes are incorporated.
Before we discuss the navigation method, we derive a simple kinematics model for the tracking problem.
A series of simulations has been performed to study the effects of associated navigation parameters on the navigation performances.
Based on the sensory information, a goal attainments level of each of next step motion candidate for a given set of navigation goals is evaluated.
Dipolar functions behave like the reciprocal of conventional navigation functions.
The principle is similar to the use of lighthouses in marine navigation.
Other possibilities offered - navigation and shape cognition - saw artefact symmetry as by-products of other selective forces.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.