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  本文關鍵詞：A11VO-190型軸向柱塞泵恒功率控制特性研究　出處：《蘭州理工大學》2011年碩士論文　論文類型：學位論文

  更多相關文章： 軸向柱塞泵 變量機構(gòu) 恒功率控制 參數(shù)分析

【摘要】：目前,能源浪費問題受到密切關注。在工程機械中,負載與動力源的不匹配使的能源浪費相當嚴重。隨著變量泵的出現(xiàn),這種情況得到很大改善,恒功率控制就是變量控制中的一種,它主要是根據(jù)系統(tǒng)壓力來調(diào)節(jié)泵的排量,使系統(tǒng)輸出功率保持在一定的誤差范圍內(nèi),使其基本上達到恒功率控制。文中所做的主要工作有: 1、對液壓控制系統(tǒng)做了簡要介紹,并闡述了本課題研究的必要性,和研究問題的主要思路; 2、簡單說明了目前常見的幾種機-液恒功率控制系統(tǒng),并對A11VO的恒功率控制原理作了介紹; 3、首先對恒功率控制中所需要的各種參數(shù)進行了介紹,以便在數(shù)學分析的時候可以直接引用,然后就是對恒功率控制系統(tǒng)中的元件建立了動態(tài)的數(shù)學模型。由于恒功率控制系統(tǒng)在控制過程中受到的最大擾動就是柱塞作用于斜盤的液壓力矩,故也對柱塞作用于斜盤的力矩做了簡單分析,最后將這種較復雜的、不便分析的系統(tǒng)進行了等效轉(zhuǎn)換,使分析過程大大簡化; 4、首先對恒功率控制進行了數(shù)學分析,從分析結(jié)果可以看出,擺桿結(jié)構(gòu)的恒功率控制系統(tǒng)仍然不是完全的恒功率控制,只是近似的恒功率控制,從中得出恒功率控制主要與哪些變量相關,并給出最小整體誤差恒功率誤差曲線;其次對恒功率控制系統(tǒng)進行了動態(tài)響應分析,從而得出不同參數(shù)對系統(tǒng)響應特性的影響。
[Abstract]:At present, the problem of energy waste is being closely watched. In engineering machinery, load and make the waste of energy is serious. The power source does not match with the variable pump, this situation has been greatly improved, a constant power control variable is in control, it is mainly to adjust the pump according to the system pressure displacement, make the system the output power is kept in a certain range of error, which basically achieve constant power control. The main work of this paper is:
1, the hydraulic control system is briefly introduced, and the necessity of the research and the main ideas of the research are expounded.
2, it simply explains several common machine - liquid constant power control systems, and introduces the principle of constant power control of A11VO.
3, first of all the parameters needed constant power control are introduced, so that can be directly used in mathematical analysis, and then the constant power control system components in the established dynamic mathematical model. Because the hydraulic torque constant power control system is in the control process is to skew the maximum piston the disk, so the piston effect on the swash plate torque to do a simple analysis, finally the more complex, inconvenient system analysis of the equivalent conversion, the analysis process is greatly simplified;
4, the constant power control is analyzed, the analysis results show that the structure of swing rod constant power control system of constant power control is still not completely, only approximate constant power control, the constant power control is mainly related to what variables, and gives the overall minimum error constant power error curve; secondly, the dynamic response analysis of constant power control system, so that the effects of different parameters on the system response.

【學位授予單位】：蘭州理工大學
【學位級別】：碩士
【學位授予年份】：2011
【分類號】：TH322

【引證文獻】

相關碩士學位論文 前2條

1 張君_e;FPSO軟管絞車液壓系統(tǒng)恒功率特性研究[D];大連海事大學;2012年

2 馬金玉;TTW30挖裝機關鍵結(jié)構(gòu)及液壓系統(tǒng)改進優(yōu)化研究[D];燕山大學;2012年

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本文編號：1378090