Frequency Conversion Controlled Vapor Recovery System by Temperature and Flow Signals: Model Design and Parameters Optimization

Paper #:
  • 2013-01-2348

Published:
  • 2013-09-24
Citation:
Liu, Y., Wang, W., Wang, Z., Wei, W. et al., "Frequency Conversion Controlled Vapor Recovery System by Temperature and Flow Signals: Model Design and Parameters Optimization," SAE Technical Paper 2013-01-2348, 2013, https://doi.org/10.4271/2013-01-2348.
Pages:
8
Abstract:
Current gasoline-gas vapor recovery system is incomplete, for it cannot adjust the vapor-liquid ratio automatically due to the change of working temperature. To solve this problem, this paper intends to design a new system and optimize its parameters. In this research, variables control method is used for tests while linear regression is used for data processing. This new system moves proportion valve away and adds a DSP control module, a frequency conversion device, and a temperature sensor. With this research, it is clearly reviewed that the vapor-liquid ratio should remains 1.0 from 0 °C to 20 °C as its working temperature, be changed into 1.1 from 20 °C to 25 °C, be changed into 1.2 from 25 °C to 30 °C, and be changed into 1.3 when the working temperature is above 30 °C.
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