This paper adopts a view of organizations as complex adaptive systems and makes a case for making organizations more complex internally through the use of a fairly simple managerial rule using participative decision making. Participation in decision making enhances connectivity in organizations, which in turn, gives the organization the opportunity to self-organize and co-evolve in more effecti...

This paper contributes to safety management by bringing in ideas from organizational complexity theories. Much of the studies and the literature on organizations as complex adaptive systems have focused on how to produce new innovations or how to increase financial effectiveness. We take the view that safety–critical organizations can be perceived as complex adaptive systems, and we discuss wha...

This paper provides a unifying view for the engineering of self-adaptive (SA) and self-organising (SO) systems. We first identify requirements for designing and building trustworthy self-adaptive and self-organising systems. Second, we propose a generic framework combining design-time and run-time features, which permit the definition and analysis at design-time of mechanisms that both ensure a...

Thermistors are very commonly used for narrow temperature-range high-resolution applications, such as in medicine, calorimetry, and near ambient temperature measurements. In particular, Negative Temperature Coefficient (NTC) thermistor is very inexpensive and highly sensitive, whose sensing temperature range and sensitivity are highly limited due to the intrinsic nonlinearity and self-heating p...

One of the main challenges of developing self-adaptive systems in open environments comes from uncertain self-adaptation requirements due to the unpredictability of environment changes and its co-existence with well-defined self-adaptation requirements in self-adaptive systems. This paper presents an integrated approach that combines off-line and on-line self-adaptation together in a unified te...

Computer systems of the future will consist more and more of autonomous and cooperative system parts and behave self-organizing. Self-organizing is mainly characterized by adaptive and context-oriented behaviour. The Self Distributing Virtual Machine (SDVM) is an adaptive, self configuring and self distributing virtual machine for clusters of heterogeneous, dynamic computer resources. In this p...

This paper proposes a new method for rejecting the Continuous Wave Interferences (CWI) in the Global Positioning System (GPS) receivers. The proposed filter is made by cascading an adaptive Finite Impulse Response (FIR) filter and a Wavelet Packet Transform (WPT) based filter. Although adaptive FIR filters are easy to implement and have a linear phase, they create self-noise in the rejection of...

In this paper, an optimal adaptive sliding mode controller is proposed for anti-synchronization of two identical hyperchaotic systems. We use hyperchaotic complex T-system for master and slave systems with unknown parameters in the slave system. To construct the optimal adaptive sliding mode controller, first a simple sliding surface is designed. Then, the optimal adaptive sliding mode controll...

Self-adaptive systems and context-aware systems have been proposed to provide the ability for a software system to adapt itself at runtime to cope with changes in its environment and user needs. However, research in self-adaptation and context-awareness has been carried out largely in separate communities, with limited reference to each other. Research in self-adaptation is more concerned with ...