Design and Development of Pressure Feedback Injection Control System Based on NI CompactRIO

SHI Weiquan1; LI Tie1; 2

doi:10.3969/j.issn.1001-2222.2017.06.009〖HT〗

Vehicle Engine ›› 2017, Vol. 0 ›› Issue (6) : 48-51. DOI: 10.3969/j.issn.1001-2222.2017.06.009〖HT〗

Design and Development of Pressure Feedback Injection Control System Based on NI CompactRIO

SHI Weiquan¹,LI Tie^1,2

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Abstract

Pressure feedback control system was designed for direct injection system based on high temperature and high pressure constant volume precombustion cell (CVPC). Considering the requirements of real time, high reliability, accurate control and multitask, CompactRIO9036 and corresponding I/O modules and repeated configuration property of FPGA were utilized to build the closed loop system of pressure signal acquisition, solenoid valve driving, ignition driving, injector actuation and rail pressure control. Then the injection test was carried out based on pressure feedback. The results show that the system can simulate the injection environment accurately and reliably.

Key words

constant volume bomb / electronic control system / highpressure common rail system / fuel spray / closed loop control

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SHI Weiquan1,LI Tie1,2. Design and Development of Pressure Feedback Injection Control System Based on NI CompactRIO[J]. Vehicle Engine. 2017, 0(6): 48-51 https://doi.org/10.3969/j.issn.1001-2222.2017.06.009〖HT〗