scholarly journals INFLUENCE OF VEHICLE SUSPENSION PARAMETERS ON ITS BRAKING PROPERTIES

2021 ◽  
Vol 3 ◽  
pp. 58-61
Author(s):  
Anna Dmitrieva ◽  
Alexander Enaev ◽  
Vladimir Timofeev ◽  
Evgeny Seleznev ◽  
Tatyana Klets
Keyword(s):  
Theoretical Models ◽  
Vehicle Suspension ◽  
Active Safety ◽  
Research Results ◽  
Suspension Parameters ◽  
Estimated Parameters ◽  
Car Suspension ◽  
Braking Process ◽  
The Relationship ◽  
Braking Dynamics

The paper focuses on the study of the performance of elastic and damping parameters of the car suspension. The problem of arising vibrations of the sprung and unsprung vehicle masses on the braking process is considered. The article presents theoretical models of vehicle braking taking into account the oscillations of the vehicle's sprung masses. The research results will make it possible to establish the relationship between the suspension parameters and the estimated parameters of braking properties, to supplement the "driver - car - road" system, and also to more accurately assess the active safety of vehicles associated with braking dynamics.

Academic motivation and professional skills development in the Specialty of Social Sciences and Tourism at a public university [Motivación académica y desarrollo de competencias profesionales en la Especialidad de Ciencias Sociales y Turismo de una universidad pública]

2019 ◽  
Vol 1 (2) ◽  
pp. 96
Author(s):  
Ana Cecilia De Paz Lazaro ◽  
Jessica Luz Palomino Collantes
Keyword(s):  
Social Sciences ◽  
Academic Motivation ◽  
Public University ◽  
Skills Development ◽  
Professional Skills ◽  
Research Results ◽  
Competencias Profesionales ◽  
High Level ◽  
The Relationship

The objective of the research is to determine the relationship between academic motivation and the professional skills development in the specialty of Social Sciences and Tourism. The study is quantitative and the design is non-experimental correlational translational. The results indicate that there is a high level relationship (0.914) between the independent academic motivation variable and the professional competences development in the Specialty of Social Sciences and Tourism. In conclusion, motivation is directly related to the professional skills development in the specialty of Social Sciences and Tourism. The research results conclude that there is a high relationship between the variables.

Analysis, Design, and Optimization of High Speed Vehicle Suspensions Using State Variable Techniques

1974 ◽  
Vol 96 (2) ◽  
pp. 193-203 ◽  
Author(s):  
J. K. Hedrick ◽  
G. F. Billington ◽  
D. A. Dreesbach
Keyword(s):  
High Speed ◽  
Optimization Problems ◽  
Vertical Plane ◽  
Computer Application ◽  
Vehicle Suspension ◽  
State Variables ◽  
State Variable ◽  
Suspension Parameters ◽  
Suspension Model ◽  
High Speed Vehicle

This article applies state variable techniques to high speed vehicle suspension design. When a reasonably complex suspension model is treated, the greater adaptability of state variable techniques to digital computer application makes it more attractive than the commonly used integral transform method. A vehicle suspension model is developed, state variable techniques are applied, numerical methods are presented, and, finally, an optimization algorithm is chosen to select suspension parameters. A fairly complete bibliography is included in each of these areas. The state variable technique is illustrated in the solution of two suspension optimization problems. First, the vertical plane suspension of a high speed vehicle subject to guideway and aerodynamic inputs will be analyzed. The vehicle model, including primary and secondary suspension systems, and subject to both heave and pitch motions, has thirteen state variables. Second, the horizontal plane suspension of a high speed vehicle subject to guideway and lateral aerodynamic inputs is analyzed. This model also has thirteen state variables. The suspension parameters of both these models are optimized. Numerical results are presented for a representative vehicle, showing time response, mean square values, optimized suspension parameters, system eigenvalues, and acceleration spectral densities.

PRAGMATIC CHARACTERISTICS OF HUMOROUS APHORISMS IN THE CONTEXT OF LIFE SPACE

2020 ◽  
Vol 76 (4) ◽  
pp. 18-23
Author(s):  
LARISA V. Burmistrova ◽  
Keyword(s):  
Positive Attitude ◽  
Negative Attitude ◽  
The Internet ◽  
Study Guide ◽  
Life Space ◽  
Research Results ◽  
The Relationship

The analysis of pragmatic characteristics of humorous aphorisms in the context of life space. Author's humorous aphorisms of famous writers, poets, historians of the 17th, 18th, 19th centuries and modern humorous aphorisms posted on the Internet; collection of sayings, quotes and aphorisms “Big Book of Wisdom” (edited by Yuri Lavrov). The relevance of the research is determined by the interest in comic universal expressions, network discourse, comical texts. The research results are applicable when compiling a study guide for students or can be used to compile a psychological portrait of the hero of the work. The aim of the present study is to investigate the pragmatic characteristics of humorous aphorisms. It is analyzed that humorous aphorisms of famous writers, poets, historians of the 17th, 18th, 19th centuries and modern humorous aphorisms affect the main aspects of life. Pragmatic characteristics of humorous aphorisms are analyzed. It was found that the humorous aphorisms most vividly reflect the relationship and love between a man and a woman, the intellect of a woman and a man, care of women, the image of a strong, ambitious man, relationships in marriage, feelings (love and happiness), positive attitude (purposefulness, necessity of education), negative attitude (duplicity, laziness, stupidity, slight knowledge, exaggeration of material value), the contrary opinion of an optimist and a pessimist.

An Ethos of Inclusion for Global Nursing Practice

2021 ◽  
Vol 35 (1) ◽  
pp. 3-6
Author(s):  
Michele J. Upvall
Keyword(s):  
Nursing Practice ◽  
Theoretical Models ◽  
Codes Of Ethics ◽  
The Relationship

The Year of the Nurse and Midwife, 2020, is an opportunity for global nurses to realize the ethos of inclusion for transformative global nursing partnerships. Including all partners in developing and maintaining the relationship provides the foundation for bidirectionality whereby all partners learn and grow personally and professionally from each other. Guidelines, theoretical models, and Codes of Ethics are suggested for applying an ethos of inclusion in all global nursing partnerships.

Research on the Attenuation Law of Stress Wave Propagation in Concrete Media

2013 ◽  
Vol 671-674 ◽  
pp. 758-767
Author(s):  
Wei Sun ◽  
Shi Yan ◽  
Shao Fei Jiang
Keyword(s):  
Wave Propagation ◽  
Attenuation Coefficient ◽  
Polynomial Function ◽  
Piezoelectric Ceramics ◽  
Stress Waves ◽  
Stress Wave Propagation ◽  
Research Results ◽  
Cubic Polynomial ◽  
The Relationship ◽  
Main Factor

This paper presents an experimental method to investigate the attenuation performance of stress waves in concrete structures embedded in piezoelectric ceramics. To get the research objective, a series of test were hold. The relationship curve between the frequency and the attenuation coefficient was fit. The calculation method for propagation distances of stress waves with constant amplitudes and frequencies in the concrete medium was proposed. The research results show that the relationship curve of attenuation coefficient and frequency conform to the cubic polynomial function approximately. The attenuation performance for the concrete structure embedded into piezoelectric ceramics is relevant to the frequency, the amplitude and the medium character, and the frequency is the main factor. The research results of this paper can provide an effective evidence for correctly placing transducers.

scholarly journals Relationship between Entrepreneurial Team Characteristics and Venture Performance in China: From the Aspects of Cognition and Behaviors

2020 ◽  
Vol 12 (1) ◽  
pp. 377 ◽  
Author(s):  
Xue-Liang Pei ◽  
Tung-Ju Wu ◽  
Jia-Ning Guo ◽  
Jia-Qi Hu
Keyword(s):  
Structural Equation ◽  
Equation Modeling ◽  
Team Cognition ◽  
Team Members ◽  
Research Results ◽  
Venture Performance ◽  
Entrepreneurial Team ◽  
Behavior Characteristics ◽  
And Behavior ◽  
The Relationship

Entrepreneurial and innovative activities are becoming a global economic and social phenomenon, especially in emerging economies. This study focuses on a typical emerging economy, China, and its entrepreneurial and innovative activities. On the basis of current research, the literature review and the chain of “cognition–behavior–outcome” are used for constructing the theoretical model for the relationship among entrepreneurial team cognition characteristics, behavior characteristics, and venture performance. A total of 101 valid copies of questionnaire are collected from entrepreneurial team members, as the research objects, and the structural equation modeling (SEM) method is applied to test the theoretical hypotheses. The research results reveal (1) significant effects of entrepreneurial team cognition characteristics and behavior characteristics on venture performance and (2) partial mediating effects of entrepreneurial team behavior characteristics on the relationship between cognition characteristics and venture performance. The research results are the expansion of research on entrepreneurial teams as well as the important reference for entrepreneurial team management and behavioral practice.

scholarly journals Which hand is mine? Discriminating body ownership perception in a two-alternative forced choice task

2020 ◽  
Author(s):  
Marie Chancel ◽  
H. Henrik Ehrsson
Keyword(s):  
Conscious Experience ◽  
Theoretical Models ◽  
Forced Choice ◽  
Body Ownership ◽  
Sensory Modalities ◽  
Forced Choice Task ◽  
Temporal And Spatial ◽  
The Relationship ◽  
Spatial Congruence ◽  
Perception Action

The experience of one’s body as one’s own is referred to as the sense of body ownership. This central part of human conscious experience determines the boundary between the self and the external environment, a crucial distinction in perception, action, and cognition. Although body ownership is known to involve the integration of signals from multiple sensory modalities, including vision, touch and proprioception, little is known about the principles that determine this integration process, and the relationship between body ownership and perception is unclear. These uncertainties stem from the lack of a sensitive and rigorous method to quantify body ownership. Here, we describe a two-alternative forced choice discrimination task that allows precise and direct measurement of body ownership as participants decide which of two rubber hands feels more like their own in a version of the rubber hand illusion. In two experiments, we show that the temporal and spatial congruence principles of multisensory stimulation, which determine ownership discrimination, impose tighter constraints than previously thought and that texture congruence constitutes an additional principle; these findings are compatible with theoretical models of multisensory integration. Taken together, our results suggest that body ownership constitutes a genuine perceptual multisensory phenomenon that can be quantified with psychophysics in discrimination experiments.

scholarly journals DISPARITIES IN THE PERCEPTION OF BUSINESS RISKS IN CONNECTION WITH THE ACHIEVED EDUCATION OF THE OWNER/MANAGER AND DOING BUSINESS

2021 ◽  
Vol 9 (1) ◽  
pp. 25-40
Author(s):  
Ján Dvorský ◽  
Jaroslav Belás, Jr. ◽  
Gentjan Çera ◽  
Svitlana Bilan
Keyword(s):  
Employee Turnover ◽  
Chi Square ◽  
Legal Risk ◽  
Research Results ◽  
Doing Business ◽  
Risk Sources ◽  
Statistical Hypotheses ◽  
Chi Square Test ◽  
The Relationship ◽  
Visegrád Countries

The article aims to identify disparities in the perception of business risks connected with the achieved education of the owner/manager and doing business in the SME segment. The study's empirical part was realised on 1585 fulfil questionnaires of SMEs in the Visegrad countries (V4). The Chi-square test and Z-test verified the formulated statistical hypotheses. The research results brought a common and different perception of business risks between the examined groups of entrepreneurs. The results showed that the relationship between education and the entrepreneur's business area is not a statistically significant factor in the perception of market, financial and legal risk sources. On the contrary, disparities are significant in the perception of selected sources of management, strategic and personnel risk, between groups of entrepreneurs regarding the relationship between education and the business of the entrepreneur. Entrepreneurs whose education is related to the area of business perceive the sources of personnel risk (employee turnover and the effort of employees to increase their performance) more positively than entrepreneurs whose education is not related to business.

scholarly journals HUBUNGAN ANTARA EFIKASI DIRI DENGAN KECEMASAN MENGHADAPI PERTANDINGAN PADA ATLET DI SEKOLAH SEPAK BOLA APAC INTI

2019 ◽  
Vol 1 (3) ◽  
pp. 314-323
Author(s):  
Leni DarmaWanti ◽  
Margaretta Erna Setianingrum
Keyword(s):  
Correlation Coefficient ◽  
Self Efficacy ◽  
Negative Relationship ◽  
Sampling Technique ◽  
Male Students ◽  
Research Results ◽  
School Anxiety ◽  
Significant Negative Relationship ◽  
Correlational Method ◽  
The Relationship

This study aims to determine the relationship between self-efficacy with anxiety facing matches in athletes at the Apac Inti soccer school. Anxiety will arise when faced with something new such as facing a match. Athletes who master physical, technical, and good tactics, but if an athlete's mind is disturbed by excessive negative things, it can interfere with concentration and not optimal in the competition, causing athletes to feel anxious. The population in this study were 40 male students of Apac Inti aged 15-18 years. This research uses a quantitative correlational method with saturated sampling technique. Based on the research results obtained correlation coefficient (r) = -0.547; p <0.05 and it can be concluded that there is a significant negative relationship between self-efficacy with anxiety facing the match in athletes at Apac Inti soccer school.

Sign in / Sign up

Export Citation Format

Share Document