Results 31 to 40 of about 2,262,204 (162)

Research on Fault Diagnosis of UAV Rotor Motor Bearings Based on WPT-CEEMD-CNN-LSTM

open access: yesMachines
To address the challenge of extracting adaptive fault features for unmanned aerial vehicle (UAV) rotor motor bearings and to meet the high accuracy requirements of bearing fault diagnosis, this paper proposes a neural network-based bearing fault ...
Xianyi Shang   +6 more
doaj   +1 more source

A Variational Stacked Autoencoder with Harmony Search Optimizer for Valve Train Fault Diagnosis of Diesel Engine

open access: yesSensors, 2019
Diesel engine fault diagnosis is vital due to enhanced reliability and economic efficiency requirements. The extracted features in traditional fault diagnosis are constructed manually, which is very cumbersome because of the requirement for lots of ...
Kun Chen   +4 more
doaj   +1 more source

A New Fault Diagnosis Method for a Diesel Engine Based on an Optimized Vibration Mel Frequency under Multiple Operation Conditions

open access: yesSensors, 2019
The diesel engine has been a significant component of large-scale mechanical systems for the intelligent manufacturing industry. Because of its complex structure and poor working environment, it has trouble effectively acquiring the representative fault ...
Haipeng Zhao   +5 more
doaj   +1 more source

Risk‐aware self‐triggered linear quadratic control

open access: yesIET Control Theory & Applications, 2023
This paper presents a self‐triggered control approach with the view of risks for discrete‐time linear stochastic systems. More specifically, under the assumption that the first two moments of the disturbance distribution are known, the paper considers ...
Masako Kishida
doaj   +1 more source

Investigando la relación entre el autocontrol, la edad y el desajuste psicológico en adolescentes y jóvenes adultos españoles [PDF]

open access: yes, 2019
Este estudio explora las tendencias evolutivas en el autocontrol y su relación con el desajuste psicológico en adolescentes y jóvenes adultos. La muestra estuvo compuesta por 1,600 adolescentes y jóvenes adultos españoles de entre 12 y 34 años (M = 22.28,
Antolín Suárez, Lucía   +2 more
core   +3 more sources

SELF CONTROL AND SELF EFFICACY INCREASE MOTHER’S BIRTH LABOR SATISFACTION

open access: yesJurnal Ners, 2017
Introduction: Self-control and self-effi cacy are necessary for would-be mothers to enhance their birth labor satisfaction. This research was conducted in Ratu Zalecha public hospital in Martapura and in Banjarbaru public hospital in South Borneo with ...
Agustine Ramie   +2 more
doaj   +1 more source

Self control in diabetics [PDF]

open access: yesMedicinski Glasnik, 2007
The aim of this study was to determine to what extent patients in Zenica-Doboj Canton suffering from diabetes conducted self-control of glycemia and glycosuria, what was a weekly average of glycemia self-control and frequency of feet self-control. In 278
E. Suljić   +4 more
doaj  

Self versus environment motion in postural control. [PDF]

open access: yesPLoS Computational Biology, 2010
To stabilize our position in space we use visual information as well as non-visual physical motion cues. However, visual cues can be ambiguous: visually perceived motion may be caused by self-movement, movement of the environment, or both.
Kalpana Dokka   +3 more
doaj   +1 more source

The Effect of Brainstorming, Buzz group and Simulation (BBS) Methods on Self-Control in Adolescents

open access: yesBabali Nursing Research, 2023
Background: Adolescent self-control is the ability to regulate emotions, behaviour, and thoughts when facing challenging or difficult situations. This study aims to determine the effect of the BBS method on self-control in adolescents.
Ifa Nofalia   +2 more
doaj   +1 more source

Kontribusi Self Esteem dan Self Control terhadap Kecanduan Game Online

open access: yesJPPI (Jurnal Penelitian Pendidikan Indonesia), 2016
This study purpose to describe: (1) self esteem and self control, (3) the online game addiction of Pertiwi 1 Padang senior high school students, (4) the contribution of self esteem and self control toward online game addiction, and (5) the contribution ...
Rizka Heni   +2 more
doaj   +1 more source

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