Vehicle Impact Structural Property Assessments

2021 ◽  
pp. 607-620
Author(s):  
Stephen E. Petty
Keyword(s):  
Structural Property ◽  
Vehicle Impact

scholarly journals A Shock Mitigation of Pedestrian-Vehicle Impact Using Active Hood Lift System: Deploying Time Investigation

2016 ◽  
Vol 2016 ◽  
pp. 1-17 ◽  
Author(s):  
Tae-Hoon Lee ◽  
Gun-Ha Yoon ◽  
Seung-Bok Choi
Keyword(s):  
Response Time ◽  
Design Parameters ◽  
Passenger Vehicle ◽  
Governing Equations ◽  
Total Response Time ◽  
Shock Mitigation ◽  
Vehicle Impact ◽  
Driving Speed ◽  
Working Principle ◽  
Principal Design

This paper investigates the deploying time (or response time) of an active hood lift system (AHLS) of a passenger vehicle activated by gunpowder actuator. In this work, this is accomplished by changing principal design parameters of the latch part mechanism of the hood system. After briefly introducing the working principle of the AHLS operated by the gunpowder actuator, the governing equations of the AHLS are formulated for each different deploying motion. Subsequently, using the governing equations, the response time for deploying the hold lift system is determined by changing several geometric distances such as the distance from the rotational center of the pop-up guide to the point of the latch in the axial and vertical directions. Then, a comparison is made of the total response time to completely deploy the hood lift system with the existing conventional AHLS and proposed AHLS. In addition, the workable driving speed of the proposed AHLS is compared with the conventional one by changing the powder volume of the actuator.

scholarly journals ESTABLISHING STRUCTURAL PROPERTY AND DESIGN METHOD FOR I-SHAPED WOODEN BEAM

2018 ◽  
Vol 83 (749) ◽  
pp. 1031-1040 ◽  
Author(s):  
Taisuke NAGASHIMA ◽  
Hiroki KAGEI ◽  
Yamato UNNO ◽  
Tsuyoshi AOYAMA ◽  
Yoshimitsu OHASHI
Keyword(s):  
Structural Property ◽  
Design Method

scholarly journals Structure of South Central Agricultural Production

1990 ◽  
Vol 22 (2) ◽  
pp. 153-163 ◽  
Author(s):  
Rudolph A. Poison ◽  
C. Richard Shumway
Keyword(s):  
Structural Property ◽  
Agricultural Production ◽  
Sufficient Conditions ◽  
State Level ◽  
Estimation Equations ◽  
South Central ◽  
Consistent Aggregation ◽  
Level Model

Abstract Using a dual economic specification of a multiproduct technology, the structure of agricultural production was tested for five South Central states (Texas, Oklahoma, Arkansas, Mississippi, and Louisiana). A comprehensive set of output supplies and input demands comprised the estimation equations in each state. Evidence of nonjoint production in a subset of commodities was detected in four of the five states. Several commodities also satisfied sufficient conditions for consistent aggregation. However, the specific outputs satisfying each structural property varied by state. Sufficient conditions for consistent geographic aggregation across the states were not satisfied. These results provide empirical guidance and important cautions for legitimately simplifying state-level model specifications of southern agricultural production.

Structural Property Analysis of a Kind of Petri Net Synthesis

2011 ◽  
Vol 255-260 ◽  
pp. 1989-1993
Author(s):  
Chuan Liang Xia ◽  
Zhen Dong Liu ◽  
Peng Sun
Keyword(s):  
Structural Properties ◽  
Structural Property ◽  
Petri Net ◽  
The State ◽  
Property Analysis ◽  
Petri Net Synthesis

Petri net synthesis can avoid the state exploration problem by guaranteeing the correctness in the Petri net while incrementally expanding the net. This paper proposes the conditions imposed on a synthesis shared a kind of subnet under which the following structural properties will be preserved: repetitiveness, consistency, structural boundedness, conservativeness, structural liveness, P-invariant and T-invariant.

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