The paper proposes a model to investigate the influences of agglomeration on heterogeneous firms' exporting behaviors. In the model, firms are heterogeneous in productivity. Selection effect and agglomeration economies caused by agglomeration increase firms' productivity and decreases industrial...

Purpose – Aims to realize the high accurate contour control with high‐speed motion of articulated robot manipulator (ARM) with interference. Design/methodology/approach – Proposes a new contour control method by using Gaussian neural network (GNN) to solve the problem of the deterioration...

Purpose – The purpose of this paper is to focus on the local minima issue encountered in motion planning by the artificial potential field (APF) method, investigate the currently existing approaches and analyze four types of previous methods. Based on the conclusions of analysis, this paper...

Purpose – The purpose of this paper is to improve the traditional bug algorithms for the navigation of mobile robots in unknown environments by considering the limitations in previous works such as generating long path, limited to static environments as well as ignoring implementation issues....

Purpose – The precise control and dynamic analysis of the electrical Stewart platform have not been so well treated in the literature. This paper aims to design a novel model‐based controller to improve the tracing performance of the electrical Stewart platform. Moreover, the simulations...

Purpose – The purpose of this paper is to discuss motion planning about crossing obstacles and welding trajectory for a new-model mobile obstacle-crossing welding robot system. The robot can cross the obstacle in this way that one of the three adhesion mobile parts is pulled off the ground in...

Purpose Every geometric model corresponding to a unique feature whose errors of parameters uncorrelated, so the linearization technique can be successfully applied. The solution of a linear least square problem can be applied straightforwardly. This method has advantages especially in calibrate...

Purpose The purpose of this study is to develop a better understanding of how information technology (IT) resources influence a firm’s channel power development. Specifically, this study hypothesizes that two types of IT resources (i.e. IT infrastructure resources and IT human resources) are...

We use a flexible hazard rate model with unrestricted spell duration and calendar time effects to analyse a dataset including all Norwegian unemployment spells during the 1990s. The dataset provides a unique access to conditionally independent variation in unemployment compensation. We find that...