Model development and parameter investigation of a column-type electric power steering system

Chen, Huipeng; Chen, Liping; Wang, Junming

doi:10.1007/s11741-009-0609-2

Cited by 5 publications

(4 citation statements)

References 10 publications

(6 reference statements)

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“…The Occupational Stress Scale, developed by Chen (24), consists of 38 items divided into seven dimensions: Organizational Management (8 items), Occupational Interests (8 items), Workload (6 items), Career Development (7 items), Interpersonal Relationships (3 items), External Environment (3 items), and Doctor-Patient Relations (3 items). Participants rate each item on a scale from "Strongly Disagree" to "Strongly Agree, " with scores ranging from 1 to 4 points.…”

Section: Occupational Stressmentioning

confidence: 99%

Network analysis of occupational stress and job satisfaction among radiologists

Ji,

He,

Gong

et al. 2024

Front. Public Health

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BackgroundOccupational stress and job satisfaction significantly impact the well-being and performance of healthcare professionals, including radiologists. Understanding the complex interplay between these factors through network analysis can provide valuable insights into intervention strategies to enhance workplace satisfaction and productivity.MethodIn this study, a convenience sampling method was used to recruit 312 radiologists for participation. Data on socio-demographic characteristics, job satisfaction measured by the Minnesota job satisfaction questionnaire revised short version (MJSQ-RSV), and occupational stress assessed using the occupational stress scale. Network analysis was employed to analyze the data in this study.ResultsThe network analysis revealed intricate patterns of associations between occupational stress and job satisfaction symptoms among radiologists. Organizational management and occupational interests emerged as crucial nodes in the network, indicating strong relationships within these domains. Additionally, intrinsic satisfaction was identified as a central symptom with high connectivity in the network structure. The stability analysis demonstrated robustness in the network edges and centrality metrics, supporting the reliability of the findings.ConclusionThis study sheds light on the complex relationships between occupational stress and job satisfaction in radiologists, offering valuable insights for targeted interventions and support strategies to promote well-being and job satisfaction in healthcare settings.

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Section: Occupational Stressmentioning

confidence: 99%

Network analysis of occupational stress and job satisfaction among radiologists

Ji,

He,

Gong

et al. 2024

Front. Public Health

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“…These are referred to as Ted, which is illustrated in Figure 5. This is a type of random excitation, and it is determined by (65). Their value (Ted) is integrated with the road reaction torque (Tr) in equation ( 66).…”

Section: A Simulation Conditionsmentioning

confidence: 99%

“…Their complexity depended on the controlled objective [17,18,65,66]. Generally, these models often ignored the determination of road reaction torque (Tr).…”

Section: Introductionmentioning

confidence: 99%

Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems

Nguyen,

Nguyen

2023

IEEE Access

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EPS systems provide superior efficiency compared to conventional mechanical steering systems. Steering feel and comfort are supported by an electric motor, which is controlled by an appropriate controller. This article introduces an integrated control algorithm for EPS system control with two novel contributions. Firstly, this algorithm is synthesized based on a backstepping (BS) controller and a proportional integral derivative (PID) controller, called the BSPID controller. The control signals are amplified based on optimal coefficients determined by the loop algorithm. Secondly, a complex steering dynamics model is established based on five state variables that consider the influence of road reaction torque and other external disturbances. The performance of the control algorithm is evaluated through simulation at the MATLAB-Simulink interface. According to the numerical simulation results, the value of the steering motor and steering column angles increases when using the EPS system instead of the conventional mechanical steering system. Under the same driver torque conditions, the variation of output parameters will decrease as the speed increases based on the assisted torque map. On the contrary, the change in output parameters will increase sharply when driver torque increases (under the same speed conditions). The results obtained from the BSPID signal always closely track the reference signal in all investigated conditions with negligible errors, even though the steering system is still subject to external random disturbances. Generally, stability is guaranteed once the BSPID integrated algorithm is applied to control the EPS system.

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“…So it can't be used in all fields. Hard ware-in the-loop Simu lator can get over the shortage [7][8][9][10]. With the help of th is system, you can heighten the efficiency when you develop electronic devices.…”

Section: Introductionmentioning

confidence: 99%

Hardware-in-the-loop of Simulation for a Hydraulic Antilock Brake System

Aly¹

2013

IJISA

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Hardware-In-the-Loop (HIL) of simu lation policy is used as a rapid and economical tool for developing automotive systems effectively and for dangerous situations tests such as extreme road conditions or high travelling speeds. A method for building a HIL of simu lation a hydraulic Antilock Braking System (A BS) based on MATLAB/Simu lin k is presented in this paper. The system is implemented for research purposes as well as for the application in educational process. It can help the user heightening the efficiency when developing the electronic device. Also, the system can be used as teaching demo software. Experiment tests of HIL scheme were carried to ensure the feasibility and effectiveness of the system.

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Model development and parameter investigation of a column-type electric power steering system

Cited by 5 publications

References 10 publications

Network analysis of occupational stress and job satisfaction among radiologists

Network analysis of occupational stress and job satisfaction among radiologists

Proposing a BSPID Control Strategy Considering External Disturbances for Electric Power Steering (EPS) Systems

Hardware-in-the-loop of Simulation for a Hydraulic Antilock Brake System

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