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The idle stop technology is one mean to implement zero emissions and zero fuel consumption. Based on the Gasoline Direct Injection engine (GDI) as the research object, the starting physical mechanism is analyzed and the engine starting model is established. The torque, speed and inlet pressure characteristics of engine starting process are analyzed. The influence of the piston stop position and the...
The single three-phase hybrid power system has the characteristic that the network structure is very complex. Based on signal injection method, a synthesized fault location method aimed at this characteristic is proposed in this paper. The method can fix fault segment with DC signal and fault position with AC signal. In this way, not only avoid the wrong judgment of fault branch because of the distribute...
With the aim for the resistance mechanism of tobacco to Bemisia tabaci, we determined the chlorophyll content of tobacco leaves, the chemical components and amino acid content in fresh or cured tobacco leaves, and analyzed the correlations between resistance of tobacco to Bemisia tabaci and chemical components of tobacco leaves. Results show that significantly negative correlation occurs between the...
Because the past fault diagnostic methods of electric actuator are mostly taken in the control system, and tend to cover up the implementation of the fault itself, and the constant gain fault of actuator is not easy to determine. In response to these shortcomings. The mechanism of the actuator is analyzed in this paper, in order to identify the effective measuring points electric of actuator. A approach...
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