Cleanroom software engineering has been proven effective in improving software development quality while at the same time increasing reliability. To adapt to large software system development, the paper presents an ex...Cleanroom software engineering has been proven effective in improving software development quality while at the same time increasing reliability. To adapt to large software system development, the paper presents an extended the Cleanroom model, which integrates object-oriented method based on stimulus history, reversed engineering idea, automatic testing and reliability assessment into software development. The paper discusses the architecture and realizing technology of ECM.展开更多
Keeping pressure gradient is an excellent approach to prevent the reveal of </span><span style="font-family:"white-space:normal;">airflow direction and cross infection in manufacturing ...Keeping pressure gradient is an excellent approach to prevent the reveal of </span><span style="font-family:"white-space:normal;">airflow direction and cross infection in manufacturing circumstances of ph</span><span style="font-family:"white-space:normal;">armaceutical cleanrooms, thus how to keep cleanroom’s pressure is critical. In </span><span style="font-family:"white-space:normal;">the paper, we study a positive pressure pharmaceutical cleanroom system wh</span><span style="font-family:"white-space:normal;">ich is composed by a cleanroom and an airlock. We divide the system’s disturbances into step disturbance, ramp disturbance and sine wave disturbance. </span><span style="font-family:"white-space:normal;">We design its pressure gradient control strategies, including CAV control, PI</span><span style="font-family:"white-space:normal;">D control and active-disturbance-rejection-control. We build the system’s mod</span><span style="font-family:"white-space:normal;">el and make simulations based on Matlab/Simulink software platform. Re</span><span style="font-family:"white-space:normal;">sults show that active-disturbance-rejection-control algorithm has good capabilities for shorter responding time and lower overshot of the pressure gradient. The results reveal that active-disturbance-rejection-control method has good control performances in responding time, accuracy and disturbance rejection.展开更多
为了探索药企门禁中,融入虹膜和Radio Frequency Identification(RFID)技术,解决Good Manufacturing Practice(GMP)生产管理难题的应用,通过分析药企门禁对生产管理的特殊需求,结合现有门禁技术,设计该系统,并通过实验验证了该系统的稳...为了探索药企门禁中,融入虹膜和Radio Frequency Identification(RFID)技术,解决Good Manufacturing Practice(GMP)生产管理难题的应用,通过分析药企门禁对生产管理的特殊需求,结合现有门禁技术,设计该系统,并通过实验验证了该系统的稳定可靠性,以及实际效果。实验验证了系统各部分连接组合的稳定性、应用程序的保活能力以及业务功能的健壮性,该系统能根据洁净服状态以及人员权限可靠地控制药企生产区域人员的进出,并记录重要数据以供追溯使用,因此该系统可以有效地提高制药企业的生产管理水平,保障制药环境的安全和质量,可为药企实现安全、高效的生产管理,提供新思路和方法。展开更多
文摘Cleanroom software engineering has been proven effective in improving software development quality while at the same time increasing reliability. To adapt to large software system development, the paper presents an extended the Cleanroom model, which integrates object-oriented method based on stimulus history, reversed engineering idea, automatic testing and reliability assessment into software development. The paper discusses the architecture and realizing technology of ECM.
文摘Keeping pressure gradient is an excellent approach to prevent the reveal of </span><span style="font-family:"white-space:normal;">airflow direction and cross infection in manufacturing circumstances of ph</span><span style="font-family:"white-space:normal;">armaceutical cleanrooms, thus how to keep cleanroom’s pressure is critical. In </span><span style="font-family:"white-space:normal;">the paper, we study a positive pressure pharmaceutical cleanroom system wh</span><span style="font-family:"white-space:normal;">ich is composed by a cleanroom and an airlock. We divide the system’s disturbances into step disturbance, ramp disturbance and sine wave disturbance. </span><span style="font-family:"white-space:normal;">We design its pressure gradient control strategies, including CAV control, PI</span><span style="font-family:"white-space:normal;">D control and active-disturbance-rejection-control. We build the system’s mod</span><span style="font-family:"white-space:normal;">el and make simulations based on Matlab/Simulink software platform. Re</span><span style="font-family:"white-space:normal;">sults show that active-disturbance-rejection-control algorithm has good capabilities for shorter responding time and lower overshot of the pressure gradient. The results reveal that active-disturbance-rejection-control method has good control performances in responding time, accuracy and disturbance rejection.
文摘为了探索药企门禁中,融入虹膜和Radio Frequency Identification(RFID)技术,解决Good Manufacturing Practice(GMP)生产管理难题的应用,通过分析药企门禁对生产管理的特殊需求,结合现有门禁技术,设计该系统,并通过实验验证了该系统的稳定可靠性,以及实际效果。实验验证了系统各部分连接组合的稳定性、应用程序的保活能力以及业务功能的健壮性,该系统能根据洁净服状态以及人员权限可靠地控制药企生产区域人员的进出,并记录重要数据以供追溯使用,因此该系统可以有效地提高制药企业的生产管理水平,保障制药环境的安全和质量,可为药企实现安全、高效的生产管理,提供新思路和方法。