Robust terminal attitude navigation for autonomous vehicles

Here we define the terminal attitude of the pursuer with respect to a target and present a LQR and H¿ control approach to solving the problem of pursuer achieving a desired terminal attack/approach angle. The intercept or engagement criteria is defined in terms of both minimizing the miss distance and controlling the pursuer's body attitude with respect to the target at the terminal point. This approach in comparison to previous approaches consider the relativistic approach of the pursuer with respect to the target as opposed the absolute velocities of the two dynamic bodies, and have possible applications ranging from autonomous vehicle entry in to a mother craft to nossle engagements in on-flight refuelling or even in precision missile guidance. Here we also suitably formulate the H¿ control ideas directly applicable to the underlying problem and presents both state feedback and output feed back results for the case of finite horizon and non-zero initial conditions together with a optimal parameter value to achieve a desired terminal characteristic in terms of the original weighting parameters.

Exchange rate exposure, foreign currency derivatives and the introduction of the euro: French evidence

We investigate the impact of the introduction of the Euro on exchange rate exposures for French corporations and examine the corporate use of foreign currency derivatives to hedge exchange rate exposure post-Euro. Our findings indicate that the introduction of the Euro is associated with both a reduction in the number of firms that have significant exchange rate exposure and the absolute size of exposure. Consistent with these reduced exposures, French firms use foreign currency derivatives less intensively. Furthermore, the use of foreign currency derivatives is found to be associated with lower exchange rate exposure but there is insufficient evidence that these instruments are more effective in the post-Euro environment.

Ministers, mandarins and diplomats : Australian foreign policy making, 1941-1969

This volume explores key aspects of the development of the Australian Department of External Affairs in the three decades from 1941 to 1969 as it evolved from a small amateur department to a highly professional global operation.

Australian conditions imposed in stay of foreign arbitration matter

In Walter Rau Neusser Oel Und Fett AG v Cross Pacific Trading Ltd, the construction of arbitration clauses and the operation of s.7 of the International Arbitration Act 1974 (Cth) were considered - scope of the arbitration issue, mandatory stay issue and discretionary stay issue were examined.

Decisionmaking in a glass house : mass media, public opinion, and American and European foreign policy in the 21st century

"Decisionmaking in a Glass House: Mass Media, Public Opinion, and American and European Foreign Policy in the 21st Century" edited by Brigitte L. Nacos, Robert Y. Shapiro and Pierangelo Isernia is reviewed.

Our wicked foreign game : why has association football (Soccer) not became the main code of football in Australia?

This essay examines the role of soccer in Australian popular life, emphasizing the game's position of secondary importance to rugby or Australian Rules in different regions. It draws on international comparisons with the USA or white British colonies to argue that in a uniquely multicultural country like Australia with established sporting traditions, domestic experience of the game could shape the past, present and future of soccer in the country. Given the cultural diversity of the state, it should work towards a strategic competitive advantage for the popularization of soccer in contemporary Australia

Product evaluation and purchase intention : impact of country-of-origin and experience in living in a foreign country

This article presents the results of an experiment that compares the perceptions of product quality and purchase intentions of foreign versus home products by Chinese consumers who have had experience living in a western society compared to those living in China. The results indicate experience does affect purchase likelihood for home versus foreign products. Chinese, generally, find country of parts as the best cue in evaluating product quality and purchase intentions.

Fixers and foreign correspondents : news production and autonomy

The television foreign correspondent's licence to roam and generate news is increasingly under threat. This paper concentrates on the micro production processes of today s correspondent as he or she goes about the job of newsgathering 'on the road', and considers the changing nature of the correspondent's autonomy. It inserts the missing character in foreign newsgathering - the locally hired fixer - and explores how this person affects the correspondent's autonomy. An analysis of interviews with 20 foreign correspondents and five fixers leads to the conclusion that the foreign correspondent is rarely the sole editorial figure on the road but is instead the main actor representing the creative interplay of a succession of fixers or 'local producers'. This deconstruction of the ways in which a correspondent builds an ad-hoc newsgathering team each time he or she lands in d new place allows for a deeper understanding of the modus operandi of reporters.

Distributed protocol for communications among underwater vehicles

Underwater surveying by swarms of autonomous underwater vehicles presents problems in communication among the robots. These problems involve the bandwidth, power consumption, timing, processing power, and other issues. This paper presents a novel approach to communicate and coordinate effectively among underwater vehicles to accomplish this task successfully. The proposed approach solves issues by reducing the number of hops to conserve power, while reducing computation time and bandwidth, effectively utilizing resources to reduce the load on each node. Finally, the simulation results are presented, in order to prove that the proposed approach improves efficiency and effectiveness in communicating among underwater vehicles.

Visual tracking of vehicles using multiresolution analysis and neural network

This paper describes the procedure for detection and tracking of a vehicle from an on-road image sequence taken by a monocular video capturing device in real time. The main objective of such a visual tracking system is to closely follow objects in each frame of a video stream, such that the object position as well as other geometric information are always known. In the tracking system described, the video capturing device is also moving. It is a challenge to detect and track a moving vehicle under a constantly changing environment coupled to real time video processing. The system suggested is robust to implement under different illuminating conditions by using the monocular video capturing device. The vehicle tracking algorithm is one of the most important modules in an autonomous vehicle system, not only it should be very accurate but also must have the safety of other vehicles, pedestrians, and the moving vehicle itself. In order to achieve this an algorithm of multi resolution technique based on Haar basis functions were used for the wavelet transform, where a combination of classification was carried out with the multilayer feed forward neural network. The classification is done in a reduced dimensional space, where principle component analysis (PCA) dimensional reduction technique has been applied to make the classification process much more efficient. The results show the effectiveness of the proposed methodology.