Zobrazeno 1 - 10
of 168
pro vyhledávání: '"Mohd Ashraf Ahmad"'
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102833- (2024)
This paper sets pioneering research which investigates the parametric identification of thermoelectric modules (TEMs) through the employment of enhanced slime mould algorithm (ESMA). The proposed method incorporates a pair of modifications to the sta
Externí odkaz:
https://doaj.org/article/81a992f89c624e1e90fcbc716c94b5ab
Autor:
Mohd Helmi Suid, Mohd Ashraf Ahmad, Ahmad Nor Kasruddin Nasir, Mohd Riduwan Ghazali, Julakha Jahan Jui
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102506- (2024)
The widespread use of dynamic systems has greatly simplified various human-operated tasks. However, the complex and nonlinear nature of these systems has posed challenges in determining their structure due to heavy reliance on modeling for theoretica
Externí odkaz:
https://doaj.org/article/e149ebd01866401a9bf973bb80952db8
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 416-421 (2023)
The fractional-order proportional-integral-derivative (FOPID) controller stands as a widely embraced choice for the task of automatic voltage regulation (AVR) when it comes to maintaining the voltage output of synchronous generators. Nevertheless, fi
Externí odkaz:
https://doaj.org/article/c9ef39e072a34e18bcaa509e53094a95
Publikováno v:
Results in Control and Optimization, Vol 14, Iss , Pp 100352- (2024)
This paper presents an improved Sine Cosine Algorithm (ISCA) towards optimization of a DC-DC buck converter with employment of the proportional-integral-derivative (PID) controller. Limitations of the conventional Sine Cosine Algorithm (SCA) was here
Externí odkaz:
https://doaj.org/article/f7a1e9e89d66470095ecafbac766331e
Autor:
Mohd Zaidi Mohd Tumari, Mohd Ashraf Ahmad, Mohd Helmi Suid, Mohd Riduwan Ghazali, M Osman Tokhi
Publikováno v:
Journal of Low Frequency Noise, Vibration and Active Control, Vol 42 (2023)
Conventionally, researchers have favored the model-based control scheme for controlling gantry crane systems. However, this method necessitates a substantial investment of time and resources in order to develop an accurate mathematical model of the c
Externí odkaz:
https://doaj.org/article/30b6731943884b188f421899ce439c53
Publikováno v:
Fractal and Fractional, Vol 7, Iss 7, p 561 (2023)
One of the most popular controllers for the automatic voltage regulator (AVR) in maintaining the voltage level of a synchronous generator is the fractional-order proportional–integral-derivative (FOPID) controller. Unfortunately, tuning the FOPID c
Externí odkaz:
https://doaj.org/article/93be98f8f5494ac6b84d4d09e41429b1
Autor:
RenHao Mok, Mohd Ashraf Ahmad
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 35, Iss , Pp 101264- (2022)
Voltage regulation in automatic voltage regulator (AVR) system has been one of the most challenging engineering problem due to the uncertain load condition. Therefore, the control of AVR system by using PID based controller is one of the essential ap
Externí odkaz:
https://doaj.org/article/94e50c8928a94ee2a0463c057258f4ee
Publikováno v:
Journal of Low Frequency Noise, Vibration and Active Control, Vol 41 (2022)
A novel hybrid strategy combining a spiral dynamic algorithm (SDA) and a bacterial foraging algorithm (BFA) is presented in this article. A spiral model is incorporated into the chemotaxis of the BFA algorithm to enhance the capability of exploration
Externí odkaz:
https://doaj.org/article/c6ee55e0c045411b98edb169a894a364
Publikováno v:
Journal of Low Frequency Noise, Vibration and Active Control, Vol 39 (2020)
This paper proposes an improved neuroendocrine–proportional–integral–derivative controller for nonlinear multi-input–multi-output crane systems using a sigmoid-based secretion rate of the hormone regulation. The main advantage of the sigmoid-
Externí odkaz:
https://doaj.org/article/0a34583b053f40c191825a11320e4559
Publikováno v:
International Journal of Advanced Robotic Systems, Vol 17 (2020)
This article addresses a problem in standard broadcast control framework which leads to an unstable solution in a certain motion-coordination task. First, the unstable phenomenon in a certain motion-coordination task is illustrated using standard bro
Externí odkaz:
https://doaj.org/article/8678bc3f9d8049b199342abb1ddbf500