The Experts below are selected from a list of 8940 Experts worldwide ranked by ideXlab platform

Yuan Sun - One of the best experts on this subject based on the ideXlab platform.

  • an optimal scheduling algorithm for Vehicular Application specific operating systems
    Computer Science and Software Engineering, 2008
    Co-Authors: Yuan Sun, Guosheng Yang
    Abstract:

    In this paper, we propose a new framework which integrates the optimal share policy with reservation-based algorithms to provide an improved allocating resource reservations for real-time Applications in Vehicular Application Specific Operating Systems. While the reservation-based scheduling algorithm realizes performance isolation of real-time Applications, optimal share resource allocation policy achieves better system performance. The effectiveness of our method is verified by simulation.

  • CSSE (2) - An Optimal Scheduling Algorithm for Vehicular Application Specific Operating Systems
    2008 International Conference on Computer Science and Software Engineering, 2008
    Co-Authors: Yuan Sun, Guosheng Yang
    Abstract:

    In this paper, we propose a new framework which integrates the optimal share policy with reservation-based algorithms to provide an improved allocating resource reservations for real-time Applications in Vehicular Application Specific Operating Systems. While the reservation-based scheduling algorithm realizes performance isolation of real-time Applications, optimal share resource allocation policy achieves better system performance. The effectiveness of our method is verified by simulation.

  • Design of an OSEK/VDX and OSGi-based embedded software platform for Vehicular Applications
    2007 IEEE International Conference on Vehicular Electronics and Safety, 2007
    Co-Authors: Yuan Sun, Xin Qiao, Wuling Huang, Shuming Tang, Feiyue Wang
    Abstract:

    This paper addresses an OSEK/VDX and OSGi-based embedded software platform for Vehicular Applications. Basically, it is a wireless and networked distributed service system and consists of (1) an OSEK/VDX-based Vehicular Application specific embedded operating systems platform; (2) an OSGi-based automotive service system which is composed of automotive central service platform, remote Vehicular service platform and vehicle/home interactive platform. The system is deployed by integrating the functions of communication, navigation, entertainment, diagnostics, monitoring and many others. Meanwhile, by using wireless network, it realizes the interconnection among vehicles, home service platform, remote Vehicular service center and roadside systems.

  • SMC - A Scheduling Algorithm for Vehicular Application Specific Embedded Operating Systems
    2006 IEEE International Conference on Systems Man and Cybernetics, 2006
    Co-Authors: Yuan Sun, Feiyue Wang, Zhixue Wang, Xin Qiao, Kunfeng Wang
    Abstract:

    In this paper, a feedback algorithm based on the constant bandwidth server (CBS) is designed to support and meet the quality of service requirements of soft real-time tasks in Vehicular Application specific embedded operating systems (vASOS). Moreover, it realizes the temporal isolation of hard and soft real-time tasks and guarantees the reliability and safety of vehicles in vASOS. A proportional integrative derivative (PID) controller is applied to control the fraction of CPU bandwidth allocated to these tasks, and a precise mathematical model is provided. Finally, the system stability is analyzed and its effectiveness of our method is verified by simulation.

  • a design architecture for osek vdx based Vehicular Application specific embedded operating systems
    Intelligent Vehicles Symposium, 2005
    Co-Authors: Yuan Sun, F.-y. Wang
    Abstract:

    The open Vehicular industry standard OSEK/VDX is introduced briefly and an OSEK/VDX-based architecture for Vehicular Application specific embedded operating systems are proposed in this paper. This architecture is designed based on a microkernel mode since its flexibility, reliability and portability are critical to the safety and performance of vehicles. Finally, the UML is used to model the architecture of Vehicular Application specific embedded operating systems. Through analyzing the functions and the proposed relationships among different components, the feasibility of constructing a Linux-based Vehicular Application specific embedded operating system is demonstrated.

Claudia Toro - One of the best experts on this subject based on the ideXlab platform.

  • feasibility analysis of a small scale orc energy recovery system for Vehicular Application
    Energy Conversion and Management, 2014
    Co-Authors: Roberto Capata, Claudia Toro
    Abstract:

    Abstract This paper analyses the feasibility of an “on-board” innovative and patented ORC recovery system. The vehicle thermal source can be either a typical diesel engine (1400 cc) or a small gas turbine set (15–30 kW). The sensible heat recovered from the exhaust gases feeds the energy recovery system that can produce sufficient extra power to sustain the conditioning system and other auxiliaries. The concept is suitable for all types of thermally propelled vehicles, but it is studied here for automotive Applications. The characteristics of the organic cycle-based recovery system are discussed, and a preliminary design of the main components, such as the heat recovery exchanger, the evaporator and the pre-heater is presented. The main challenge are the imposed size and weight limitations that require a particular design for this compact recovery system. A possible system layout is analyzed and the requirements for a prototypal Application are investigated.

Kunfeng Wang - One of the best experts on this subject based on the ideXlab platform.

  • a scheduling algorithm for Vehicular Application specific embedded operating systems
    Systems Man and Cybernetics, 2006
    Co-Authors: Yuanl Sun, Feiyue Wang, Zhixue Wang, Xin Qiao, Kunfeng Wang
    Abstract:

    In this paper, a feedback algorithm based on the constant bandwidth server (CBS) is designed to support and meet the quality of service requirements of soft real-time tasks in Vehicular Application specific embedded operating systems (vASOS). Moreover, it realizes the temporal isolation of hard and soft real-time tasks and guarantees the reliability and safety of vehicles in vASOS. A proportional integrative derivative (PID) controller is applied to control the fraction of CPU bandwidth allocated to these tasks, and a precise mathematical model is provided. Finally, the system stability is analyzed and its effectiveness of our method is verified by simulation.

  • SMC - A Scheduling Algorithm for Vehicular Application Specific Embedded Operating Systems
    2006 IEEE International Conference on Systems Man and Cybernetics, 2006
    Co-Authors: Yuan Sun, Feiyue Wang, Zhixue Wang, Xin Qiao, Kunfeng Wang
    Abstract:

    In this paper, a feedback algorithm based on the constant bandwidth server (CBS) is designed to support and meet the quality of service requirements of soft real-time tasks in Vehicular Application specific embedded operating systems (vASOS). Moreover, it realizes the temporal isolation of hard and soft real-time tasks and guarantees the reliability and safety of vehicles in vASOS. A proportional integrative derivative (PID) controller is applied to control the fraction of CPU bandwidth allocated to these tasks, and a precise mathematical model is provided. Finally, the system stability is analyzed and its effectiveness of our method is verified by simulation.

F.-y. Wang - One of the best experts on this subject based on the ideXlab platform.

  • a design architecture for osek vdx based Vehicular Application specific embedded operating systems
    Intelligent Vehicles Symposium, 2005
    Co-Authors: Yuan Sun, F.-y. Wang
    Abstract:

    The open Vehicular industry standard OSEK/VDX is introduced briefly and an OSEK/VDX-based architecture for Vehicular Application specific embedded operating systems are proposed in this paper. This architecture is designed based on a microkernel mode since its flexibility, reliability and portability are critical to the safety and performance of vehicles. Finally, the UML is used to model the architecture of Vehicular Application specific embedded operating systems. Through analyzing the functions and the proposed relationships among different components, the feasibility of constructing a Linux-based Vehicular Application specific embedded operating system is demonstrated.

  • A design architecture for OSEK/VDX-based Vehicular Application specific embedded operating systems
    IEEE Proceedings. Intelligent Vehicles Symposium 2005., 2005
    Co-Authors: Yuan Sun, F.-y. Wang
    Abstract:

    The open Vehicular industry standard OSEK/VDX is introduced briefly and an OSEK/VDX-based architecture for Vehicular Application specific embedded operating systems are proposed in this paper. This architecture is designed based on a microkernel mode since its flexibility, reliability and portability are critical to the safety and performance of vehicles. Finally, the UML is used to model the architecture of Vehicular Application specific embedded operating systems. Through analyzing the functions and the proposed relationships among different components, the feasibility of constructing a Linux-based Vehicular Application specific embedded operating system is demonstrated.

Roberto Capata - One of the best experts on this subject based on the ideXlab platform.

  • proposed design procedure of a helical coil heat exchanger for an orc energy recovery system for Vehicular Application
    Mechanics Materials Science & Engineering Journal, 2015
    Co-Authors: Giacomo Bonafoni, Roberto Capata
    Abstract:

    There are several systems that produce energy from low grade heat sources such as Stirling engines, thermoelectric generators, and ORC (Organic Rankine Cycle) systems. This paper shows the heat recovery from exhaust gases of a 1400 cc Diesel engine, to vaporize the working fluid of a small (<10 kW) ORC system. The main objective is to have a system as compact as possible, to make it suitable for transport Applications such as cars, ships, trains, etc. Three fluids were studied for this Application: water and two refrigerant fluids: R134a and R245fa, which were found to be more appropriate than water at certain pressure and temperature values. Afterwards, a design procedure was proposed, then the heat exchanger was modeled and finally a steady-state thermal and structural analysis were carried out using a commercial software to find the temperature and the effects of the thermal stress on the material of the helical coiled tube.

  • Proposed Design Procedure of a Helical Coil Heat Exchanger for an Orc Energy Recovery System for Vehicular Application
    Mechanics Materials Science & Engineering Journal, 2015
    Co-Authors: Giacomo Bonafoni, Roberto Capata
    Abstract:

    There are several systems that produce energy from low grade heat sources such as Stirling engines, thermoelectric generators, and ORC (Organic Rankine Cycle) systems. This paper shows the heat recovery from exhaust gases of a 1400 cc Diesel engine, to vaporize the working fluid of a small (

  • feasibility analysis of a small scale orc energy recovery system for Vehicular Application
    Energy Conversion and Management, 2014
    Co-Authors: Roberto Capata, Claudia Toro
    Abstract:

    Abstract This paper analyses the feasibility of an “on-board” innovative and patented ORC recovery system. The vehicle thermal source can be either a typical diesel engine (1400 cc) or a small gas turbine set (15–30 kW). The sensible heat recovered from the exhaust gases feeds the energy recovery system that can produce sufficient extra power to sustain the conditioning system and other auxiliaries. The concept is suitable for all types of thermally propelled vehicles, but it is studied here for automotive Applications. The characteristics of the organic cycle-based recovery system are discussed, and a preliminary design of the main components, such as the heat recovery exchanger, the evaporator and the pre-heater is presented. The main challenge are the imposed size and weight limitations that require a particular design for this compact recovery system. A possible system layout is analyzed and the requirements for a prototypal Application are investigated.