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Comments on ``Nonlinear Output Feedback Control of Dynamically Positioned Ships Using Vectorial observer Backstepping''

The decomposition of nonlinear output feedback control into an observer and a state feedback control is an open problem. A solution for dynamic positioning of ships has been proposed in the above paper (1) and by Grovlen and Fossen, where an observer-based backstepping method is used. This note points out that the observer design in the above-mentioned papers does not cover unstable ship dynamics

The Anti-Corruption Industry: From Movement to Institution

This paper describes takes the concept of ‘industry’, often used pejoratively in critiques of international development, and applies it to the field of anti-corruption. The characteristics of the anti-corruption industry, including anti-corruptionist discourse, resemble that which has taken place in development aid, human rights, civil society and gender equality. The anti-corruption industry thus

Mechanisms evaluation for reforming processes

The three mechanisms that describe the reaction kinetics for various combustion processes were evaluated against experimental data for a reforming process. M1 is the GRI-Mech 3.0 mechanism, originally designed to model combustion of natural gas. The M2 mechanism originated from a methane combustion mechanism, which was extended to include reactions for methanol, acetaldehyde, ethanol, and ethylene

The Power of the Chair in International Bargaining

All negotiations in international organizations and all multilateral conferences are chaired by member state representatives or supranational officials, with mandates to manage the agenda, structure the deliberations, and broker agreements. Yet existing literature offers no coherent explanation of the sources of this institutional practice or its effects on negotiation outcomes. The intention in t