| Jiang Zhinong (江志农)*,Wang Zijia*,Mao Zhiwei*,Zhang Jinjie*,Wang Chenguang*,Huang Yifei**.[J].高技术通讯(英文),2021,27(3):238~248 |
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| Theoretical investigation on self-recovery regulation method for diesel engine misalignment through co-simulation |
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| DOI： |
| 中文关键词: |
| 英文关键词: diesel engine, misalignment fault, monitoring and detection, targeting self-recovery, co-simulation |
| 基金项目: |
| Author Name | Affiliation | | Jiang Zhinong (江志农)* | (*Diagnosis and Self-Recovering Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Bohua Anchuang Technology Co., Ltd, Beijing 101399, P.R.China) | | Wang Zijia* | (*Diagnosis and Self-Recovering Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Bohua Anchuang Technology Co., Ltd, Beijing 101399, P.R.China) | | Mao Zhiwei* | (*Diagnosis and Self-Recovering Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Bohua Anchuang Technology Co., Ltd, Beijing 101399, P.R.China) | | Zhang Jinjie* | (*Diagnosis and Self-Recovering Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Bohua Anchuang Technology Co., Ltd, Beijing 101399, P.R.China) | | Wang Chenguang* | (*Diagnosis and Self-Recovering Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Bohua Anchuang Technology Co., Ltd, Beijing 101399, P.R.China) | | Huang Yifei** | (*Diagnosis and Self-Recovering Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Bohua Anchuang Technology Co., Ltd, Beijing 101399, P.R.China) |
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| 中文摘要: |
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| 英文摘要: |
| Misalignment is one of the most common faults for the diesel engine. In order to eliminate the misalignment fault of the diesel engine in the process of operation, a targeting self-recovery regulation system is constructed by using a movable base and displacement sensors. Misalignment is monitored and detected in real time,the value of misalignment is calculated rapidly and accurately, andintelligent decision is made.Then, the base is moved reversely with a definite target to drive the shaft to translate or rotate, so that the shafts can be recovered to alignment online. A co-simulation model for the self-recovery system is established which consists of a dynamic model of the crankshaft system and control model. The self-recovery regulation process of misalignment is simulated. The simulation results show that the system can accurately calculate the misalignment values, with an error of less than 5%, and can automatically eliminate the misalignment fault of the diesel engine online. The research results provide theoretical support for the self-recovery regulation of misalignment fault, and due to the universality of structure and principle, the self-recovery system is not only suitable for diesel engine, but also for other rotating machineries. |
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