By referring to all kinds of research data and summarizing the analysis and research of various kinds of distribution disks,a new type of distribution disc with double V-shaped unloading slots is designed again.Then,t...By referring to all kinds of research data and summarizing the analysis and research of various kinds of distribution disks,a new type of distribution disc with double V-shaped unloading slots is designed again.Then,the new designed disk is loaded into the piston pump by CFD software to simulate.Finally,through simulation,it is concluded that the width of the triangle slot of the distribution plate is about 10°,the slope angle is about 12°,and the diameter of the unloading hole is about 0.8mm.When the diameter of the perforated hole is about 1.5mm,the flow curve of the unloading hole is the smoother.Pressure shock and noise are also minimized at this time.Draw By improving the damping tank,the flow noise and cavitation change are smaller than before.展开更多
针对双容水箱普遍存在容积延迟问题和传统P I D控制难于达到控制要求的特点,提出了基于串级技术的双容液位模糊PID控制系统。系统根据双容水箱液位控制的特点,采用模糊串级PID控制技术、智能仪表AI808、M C C S组态软件实现了双容水箱...针对双容水箱普遍存在容积延迟问题和传统P I D控制难于达到控制要求的特点,提出了基于串级技术的双容液位模糊PID控制系统。系统根据双容水箱液位控制的特点,采用模糊串级PID控制技术、智能仪表AI808、M C C S组态软件实现了双容水箱液位的高精度控制。实验表明:该系统具有静态精度高、自适应能力强、可靠性好、抗扰动性强等特点,大大提高了水箱液位的控制质量。展开更多
基金The Regional Joint Foundation plan of the Provincial Natural Science Foundation in 2022“Study on the characteristics of hydraulic frequency conversion vibrator for rotary valve distribution”(2022-YKLH-07)The Basic Scientific research Project of the Provincial Department of Education in 2023“Analysis of voltage control characteristics and transient temperature of electro-hydraulic transmission”(JYTMS20230063).
文摘By referring to all kinds of research data and summarizing the analysis and research of various kinds of distribution disks,a new type of distribution disc with double V-shaped unloading slots is designed again.Then,the new designed disk is loaded into the piston pump by CFD software to simulate.Finally,through simulation,it is concluded that the width of the triangle slot of the distribution plate is about 10°,the slope angle is about 12°,and the diameter of the unloading hole is about 0.8mm.When the diameter of the perforated hole is about 1.5mm,the flow curve of the unloading hole is the smoother.Pressure shock and noise are also minimized at this time.Draw By improving the damping tank,the flow noise and cavitation change are smaller than before.
文摘针对双容水箱普遍存在容积延迟问题和传统P I D控制难于达到控制要求的特点,提出了基于串级技术的双容液位模糊PID控制系统。系统根据双容水箱液位控制的特点,采用模糊串级PID控制技术、智能仪表AI808、M C C S组态软件实现了双容水箱液位的高精度控制。实验表明:该系统具有静态精度高、自适应能力强、可靠性好、抗扰动性强等特点,大大提高了水箱液位的控制质量。
