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| 1 | Real-time Compliance Control of an Assistive Joint Using QNX Operating System显示文摘An assistive robot is a novel service robot,playing an important role in the society.For instance,it can amplify human power not only for the elderly and disabled to recover/rehabilitate their lost/impaired musculoskeletal functions but also for healthy people to perform tasks requiring large forces.Consequently,it is required to consider both accurate position control and human safety,which is the compliance.This paper deals with the robot control compliance problem based on the QNX real-time operating system.Firstly,the mechanical structure of a compliant joint on the assistive robot is designed using Solidworks.Then the parameters of the assistive robot system are identified.The software of robot control includes data acquisition and processing,and control to meet the compliance requirement of the joint control.Finally,a Hogan impedance control experiment is carried out.The experimental results prove the effectiveness of the method proposed. | Shuang Gu Cheng-Dong Wu Yong Yue Carsten Maple Da-You Li Bei-Sheng Liu | 2013 | International Journal of Automation and computing2013，10，6： | 1 |
| 2 | An Analysis on Decentralized Adaptive MAC Protocols for Cognitive Radio Networks显示文摘The scarcity of bandwidth in the radio spectrum has become more vital since the demand for more and more wireless applications has increased. Most of the spectrum bands have been allocated although many studies have shown that these bands are significantly underutilized most of the time. The problem of unavailability of spectrum and inefficiency in its utilization has been smartly addressed by the cognitive radio (CR) technology which is an opportunistic network that senses the environment, observes the network changes, and then uses knowledge gained from the prior interaction with the network to make intelligent decisions by dynamically adapting their transmission characteristics. In this paper, some of the decentralized adaptive medium access control (MAC) protocols for CR networks have been critically analyzed, and a novel adaptive MAC protocol for CR networks, decentralized non-global MAC (DNG-MAC), has been proposed. The results show the DNG-MAC outperforms other CR-MAC protocols in terms of time and energy efficiency. | Munam Ali Shah Sijing Zhang Carsten Maple | 2013 | International Journal of Automation and computing2013，10，1： | 1 |
| 3 | A Novel Lifecycle Model for Web-based Application Development in Small and Medium Enterprises显示文摘Software engineering s lifecycle models have proven to be very important for traditional software development. However, can these models be applied to the development of Web-based applications as well? In recent years, Web-based applications have become more and more complicated and a lot of efforts have been placed on introducing new technologies such as J2EE, PhP, and .NET, etc., which have been universally accepted as the development technologies for Web-based applications. However, there is no universally accepted process model for the development of Web-based applications. Moreover, shaping the process model for small medium-sized enterprises (SMEs), which have limited resources, has been relatively neglected. Based on our previous work, this paper presents an expanded lifecycle process model for the development of Web-based applications in SMEs. It consists of three sets of processes, i.e., requirement processes, development processes, and evolution processes. Particularly, the post-delivery evolution processes are important to SMEs to develop and maintain quality web applications with limited resources and time. | Wei Huang Ru Li Carsten Maple Hong-Ji Yang David Foskett Vince Cleaver | 2010 | International Journal of Automation and computing2010，7，3： | 1 |
| 4 | A novel hybrid tabu search approach to container loading显示文摘 | Jiamin Liu Yong Yue Zongran Dong Carsten Maple Malcolm Keech | 2010 | Computers and Operations Research2010，，4： | 1 |
| 5 | Design of Software-Defined Down-Conversion and Up-Conversion: An Overview显示文摘In recent years, much attention has been paid to software-defined radio (SDR) technologies for multimode wireless systems. SDR can be defined as a radio communication system that uses software to modulate and demodulate radio signals. This article describes concepts, theory, and design principles for SDR down-conversion and up-conversion. Design issues in SDR down-conversion are discussed, and two different architectures, super-heterodyne and direct-conversion, are proposed. Design issues in SDR up-conversion are also discussed, and trade-offs in the design of filters, mixers, NCO, DAC, and signal processing are highlighted. | Yue Zhang Li-Ke Huang Carsten Maple Qing Xuan | 2011 | ZTE Communications2011，9，4： | 0 |
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