Items where Author is "Varatharajoo, Renuganth "

Santos Lula Barros, Letícia and Hiraki, Koju and Assis da Silveira, Marcelo and Chak, Yew Chung and Abdullah, Amirul Fiqri and Varatharajoo, Renuganth (2025) Potential of non-flat solar sail for higher characteristic acceleration. Advances in Space Research, 75 (2). pp. 2289-2306. ISSN 0273-1177; eISSN: 1879-1948

Aslam, Sohaib and Chak, Yew-Chung and Jaffery, Mujtaba Hussain and Varatharajoo, Renuganth and Razoumny, Yury (2024) Deep learning based fuzzy-MPC controller for satellite combined energy and attitude control system. Advances in Space Research, 74 (7). pp. 3234-3255. ISSN 0273-1177; eISSN: 1879-1948

Chak, Yew-Chung and Varatharajoo, Renuganth (2024) Satellite multitasking fuzzy system for attitude and sun tracking. The International Journal of Multiphysics, 18 (2s). pp. 47-57. ISSN 1750-9548; eISSN: 2048-3961

Alandihallaj, M. Amin and Assadian, Nima and Varatharajoo, Renuganth (2023) Finite-time asteroid hovering via multiple-overlapping-horizon multiple-model predictive control. Advances in Space Research, 71 (1). art. no. 67. pp. 645-653. ISSN 0273-1177; ESSN: 1879-1948

Aslam, Sohaib and Yew, Chung Chak and Hussain Jaffery, Mujtaba and Varatharajoo, Renuganth and Ahmad Ansari, Ejaz (2023) Model predictive control for Takagi–Sugeno fuzzy model-based Spacecraft combined energy and attitude control system. Advances in Space Research, 71 (10). 4155 - 4172. ISSN 0273-1177; ESSN: 1879-1948

Saini, Vikram K. and Giri, Dipak Kumar and Varatharajoo, Renuganth (2023) Prescribed-time spacecraft attitude control using time-varying state feedback. Journal Of Spacecraft And Rockets, 60 (4). ISSN 0022-4650; ESSN: 1533-6794

Yahya, Nor Affendy and Varatharajoo, Renuganth and Harithuddin, A. S. M. and Razoumny, Yury (2022) Delta-V and ground metric investigations for responsive satellite formation flying. Acta Astronautica, 193. 20 - 34. ISSN 0094-5765

Ghani, Marzieh and Assadian, Nima and Varatharajoo, Renuganth (2022) Attitude and deformation coupled estimation of flexible satellite using low-cost sensors. Advances in Space Research, 69 (1). 677 - 689. ISSN 0273-1177; ESSN: 1879-1948

Aslam, Sohaib and Yew, Chung Chak and Jaffery, Mujtaba Hussain and Varatharajoo, Renuganth (2022) The fuzzy PD control for combined energy and attitude control system. Aircraft Engineering and Aerospace Technology, 94 (10). 1806 - 1824. ISSN 0002-2667

Salleh, Mohd Badrul and Mohd Suhadis, Nurulasikin and Varatharajoo, Renuganth (2021) An active force controlled of small CMG-based satellite. Aircraft Engineering and Aerospace Technology, 93 (7). 1183 - 1192. ISSN 1748-8842; ESSN: 1758-4213

Ismail, Zuliana and Varatharajoo, Renuganth and Chak, Yew Chung (2020) A fractional-order sliding mode control for nominal and underactuated satellite attitude controls. Advances in Space Research, 66 (2). 321 - 334. ISSN 0273-1177

Mohmad Rouyan, Nurhana and Varatharajoo, Renuganth and Eshghi, Samira and Abdullah, Ermira Junita and Suzuki, Shinji (2018) Aircraft pitch control tracking with sliding mode control. International Journal of Engineering and Technology(UAE), 7 (4.13). 62 - 65. ISSN 2227-524X

Aris, Ahmad Zaharin and Ponrahono, Zakiah and Ishak, Mohd Yusoff and Zamaruddin, Nor Hazlina and Noordin, Nor Kamariah and Varatharajoo, Renuganth and Ideris, Aini (2018) Green @ Universiti Putra Malaysia: cultivating the green campus culture. E3S Web of Conferences, 48. pp. 1-5. ISSN 2267-1242

Yahya, Nor Affendy and Varatharajoo, Renuganth and Mohd Harithuddin, Ahmad Salahuddin and Md Ali, Syaril Azrad (2018) Performance measure of satellite flying in coplanar and non-coplanar formation. International Journal of Engineering and Technology (UAE), 7 (4.13). 66 - 70. ISSN 2227-524X

Varatharajoo, Renuganth and Chak, Yew Chung (2018) A parallel distributed compensation approach to fuzzy control of spacecraft combined attitude and sun tracking. International Journal of Engineering and Technology (UAE), 7 (4.13). 28 - 32. ISSN 2227-524X

Chak, Yew Chung and Varatharajoo, Renuganth and Razoumny, Yury (2017) Disturbance observer-based fuzzy control for flexible spacecraft combined attitude & sun tracking system. Acta Astronautica, 133 (1). 302 - 310. ISSN 0094-5765; ESSN: 1879-2030

Rondoni, Lamberto and Kamel Ariffin, Muhammad Rezal and Varatharajoo, Renuganth and Mukherjee, Sayan and Palit, Sanjay Kumar and Banerjee, Santo (2017) Optical complexity in external cavity semiconductor laser. Optics Communications, 387. 257 - 266. ISSN 0030-4018

Eshghi, Samira and Varatharajoo, Renuganth (2017) Singularity-free integral-augmented sliding mode control for combined energy and attitude control system. Advances in Space Research, 59 (2). pp. 631-644. ISSN 0273-1177; ESSN: 1879-1948

Bottcher, M. and Eshghi, S. and Varatharajoo, Renuganth (2016) Testing and validation of a Β; algorithm for cubesat satellites. IOP Conference Series: Materials Science and Engineering, 152. pp. 1-7. ISSN 1757-8981; ESSN: 1757-899X

Ismail, Z. and Varatharajoo, Renuganth (2016) Satellite cascade attitude control via fuzzy PD controller with active force control under momentum dumping. Materials Science and Engineering, 152. pp. 1-8. ISSN 1757-8981; ESSN: 1757-899X

Aw, Aaron Teik Hong and Varatharajoo, Renuganth (2015) Dynamics of a flexible tethered satellite system utilising various materials for coplanar and non-coplanar models. Advances in Space Research, 56 (4). pp. 648-663. ISSN 0273-1177; ESSN: 1879-1948

Aw, Aaron Teik Hong and Varatharajoo, Renuganth and Romli, Fairuz Izzudin (2015) Analytic solutions for Tethered Satellite System (TSS) subject to internal and external torques undergoing a spin-up and spin-down maneuvers. Aircraft Engineering and Aerospace Technology, 87 (6). pp. 514-520. ISSN 0002-2667

Ismail, Zuliana and Varatharajoo, Renuganth and Mohd Ajir, Mohd Ramly and Mohd Rafie, Azmin Shakrine (2015) Enhanced attitude control structure for small satellites with reaction wheels. Aircraft Engineering and Aerospace Technology, 87 (6). pp. 546-550. ISSN 748-8842; ESSN: 1758-4213

Varatharajoo, Renuganth and Ismail, Zuliana (2015) Reaction wheel configurations for high and middle inclination orbits. ARPN Journal of Engineering and Applied Sciences, 10 (21). pp. 10034-10042. ISSN 1819-6608

Yew, Chung Chak and Varatharajoo, Renuganth (2015) A novel design of spacecraft combined attitude & sun tracking system using a versatile fuzzy controller. Aircraft Engineering and Aerospace Technology, 87 (6). pp. 530-539. ISSN 0002-2667

Abdul Rahman, Mohd Amirul and Mohd Rafie, Azmin Shakrine and Varatharajoo, Renuganth (2014) LCO flutter analysis on coir pressed mat fibre/epoxy composites plate. Applied Mechanics and Materials, 629. pp. 71-77. ISSN 1660-9336; ESSN: 1662-7482

Abdul Rahman, Mohd Amirul and Omar Baki, Munaim Ali and Mohd Rafie, Azmin Shakrine and Varatharajoo, Renuganth (2014) Material properties of random oriented pressed mat coir fibre/epoxy composites. International Review of Mechanical Engineering, 8 (1). pp. 89-93. ISSN 1970-8734; ESSN: 1970-8742

Eshghi, Samira and Varatharajoo, Renuganth (2014) Sliding mode control techniques for combined energy and attitude control system. Applied Mechanics and Materials, 629. pp. 310-317. ISSN 1660-9336; ESSN: 1662-7482

Aw, Aaron Teik Hong and Varatharajoo, Renuganth (2014) Tether tension performance utilizing various materials for a coplanar and non-coplanar model of a flexible tethered satellite system. Applied Mechanics and Materials, 629. pp. 281-285. ISSN 1660-9336; ESSN: 1662-7482

Suhadis, Nurulasikin and Varatharajoo, Renuganth (2014) An optimum magnetic control torque generation of a momentum bias satellite. The International Journal of Multiphysics, 8 (2). pp. 169-180. ISSN 1750-9548; ESSN: 2048-3961

Ying, Siang Ban and Varatharajoo, Renuganth (2013) H∞ control option for a combined energy and attitude control system. Advances in Space Research, 52 (7). pp. 1378-1383. ISSN 0273-1177

Ban, Ying Siang and Varatharajoo, Renuganth (2012) Optimal control for combined energy storage and attitude control system (CEACS) in small satellites. Applied Mechanics and Materials, 110-116. pp. 3587-3592. ISSN 1660-9336; ESSN: 1662-7482

Varatharajoo, Renuganth and Choo, Tech Wooi and Mailah, Musa (2011) Attitude pointing enhancement for combined energy and attitude control system. Acta Astronautica, 68 (11-12). pp. 2025-2028. ISSN 0094-5765; ESSN: 1879-2030

Varatharajoo, Renuganth and Choo, Tech Wooi and Mailah, Musa (2011) Two degree-of-freedom spacecraft attitude controller. Advances in Space Research, 47 (4). pp. 685-689. ISSN 0273-1177; ESSN: 1879-1948

Varatharajoo, Renuganth and Alkhodari, Saleh Basha (2011) Attitude Control Augmentation for Combined Attitude and Thermal Control System. International Review of Mechanical Engineering, 5 (6). pp. 1139-1143. ISSN 1970-8734

Varatharajoo, Renuganth and Mustapha, Faizal and Abang Abdul Majid, Dayang Laila and Zahari, Rizal and Kahle, Ralph (2011) Critical speeds for carbon/epoxy composite rotors in spacecraft energy storage applications. Key Engineering Materials, 471-472. pp. 37-42. ISSN 1013-9826; ESSN: 1662-9795

Abang Abdul Majid, Dayang Laila and Basri, Shahnor and Varatharajoo, Renuganth and Attaran, Abdolhamid (2011) Flutter analysis of a hybrid plate-like fiber-reinforced composite wing. Key Engineering Materials, 471-472. pp. 1107-1112. ISSN 1013-9826; ESSN: 1662-9795

Varatharajoo, Renuganth and Chong, Ee Lian (2011) Interlaminar stress analysis for carbon/epoxy composite space rotors. International Journal of Multiphysics, 5 (4). pp. 353-376. ISSN 1750-9548

Ng, Wei Sim and Mustapha, Faizal and Varatharajoo, Renuganth and Zahari, Rizal and Abang Abdul Majid, Dayang Laila (2011) Parametric study on cohesive element for composite fuselage model. Key Engineering Materials, 471-472. pp. 1085-1090. ISSN 1013-9826; ESSN: 1662-9795

Varatharajoo, Renuganth and Allaudin, Mohd Faizal (2011) Spacecraft Combined Attitude and Sun Tracking (CAST) System. Mathematics in Engineering, Science and Aerospace (MESA), 2 (4). pp. 413-421. ISSN 2041-3165

Zahari, Rizal and Abang Abdul Majid, Dayang Laila and Mustapha, Faizal and Varatharajoo, Renuganth and A. Rasid, Zainudin and Ayob, Amran (2011) Thermal buckling and post-buckling improvements of laminated composite plates using finite element method. Key Engineering Materials, 471-47 (5). pp. 536-541. ISSN 1013-9826

Pradhan, Biswajeet and Pirasteh, Saied and Varatharajoo, Renuganth (2010) Enhancement of semi-automated lineament extraction from IRS- 1B satellite images for part of Himalayan region. International Journal of Geoinformatics, 6 (2). pp. 41-50. ISSN 1686-6576

Abdullah, Mohammad Nizam Filipski and Varatharajoo, Renuganth (2010) Evaluation of a spacecraft attitude and rate estimation algorithm. Aircraft Engineering and Aerospace Technology, 82 (3). pp. 184-193. ISSN 1748-8842; ESSN: 1758-4213

Varatharajoo, Renuganth and Salit, Mohd Sapuan and Goh, Kian Hong (2010) Material optimization of carbon/epoxy composite rotor for spacecraft energy storage. International Journal of Multiphysics, 4 (2). pp. 95-101. ISSN 1750-9548

Ismail, Zuliana and Varatharajoo, Renuganth (2010) A study of reaction wheel configurations for a 3-axis satellite attitude control. Advances In Space Research, 45 (6). pp. 750-759. ISSN 0273-1177

Alkhodari, Saleh Basha and Varatharajoo, Renuganth (2009) H2 and H∞ control options for the combined attitude and thermal control system (CATCS). Advances in Space Research, 43 (12). pp. 1897-1903. ISSN 0273-1177

Chow, Kim Paw and Varatharajoo, Renuganth (2009) Solar power profile prediction for low earth orbit satellites. Jurnal Mekanikal (28). pp. 1-15. ISSN 2289-3866; ESSN: 2289-3873

Mohd Rafie, Azmin Shakrine and Basri, Shahnor and Varatharajoo, Renuganth and Abang Abdul Majid, Dayang Laila and Mohamed Ariff, Azmah Hanim (2009) Aeroelastic analysis for Eagle 150b aircraft wing. International Review of Aerospace Engineering, 2 (4). pp. 185-191. ISSN 1973-7459; ESSN: 2533-2279

Mohd Suhadis, Nurulasikin and Varatharajoo, Renuganth (2009) Satellite attitude performance during the momentum dumping mode. International Review of Aerospace Engineering, 2 (3). pp. 133-138. ISSN 1973 - 7459

Varatharajoo, Renuganth and Tan, Mei San (2008) In-orbit attitude actuation using solar panels. The International Journal of Multiphysics, 2 (2). pp. 147-154. ISSN 1750-9548; ESSN: 2048-3961

Zahari, Rizal and Azmee, Abdul Hannan and Mustapha, Faizal and Salit, Mohd Sapuan and Varatharajoo, Renuganth and Shakrine, Azmine (2008) Prediction of progressive failure in woven glass/epoxy composite laminated panels. Jurnal Mekanikal, 25. pp. 80-91. ISSN 2289-3866; ESSN: 2289-3873

Fakir, Md. Moslemuddin and Basri, Shahnor and Varatharajoo, Renuganth and Jaafar, Abdul Aziz and Mohd Rafie, Azmin Shakrine and Abang Abdul Majid, Dayang Laila (2008) Extended conventional finite element method vs. differential quadrature method comparison in two-dimensional heat transfer problem. International Review of Aerospace Engineering, 1 (2). pp. 200-205. ISSN 1973-7459; ESSN: 1973-7440

Varatharajoo, Renuganth and Al-Khodari, S. Basha (2008) A 3-axis satellite attitude control using CATCS. Journal British Interplanetary Society, 61 (11). pp. 452-457. ISSN 0007-084X

Low, Yee Seng and Varatharajoo, Renuganth and Abdullah, Mohammad Nizam Filipski (2008) Commissioning the UPM satellite simulator facility platform. Journal of Industrial Technology, 17 (1). pp. 35-46. ISSN 0128-4940

Fakir, Md. Moslemuddin and Basri, Shahnor and Varatharajoo, Renuganth and Jaafar, Abdul Aziz and Mohd Rafie, Azmin Shakrine and Abang Abdul Majid, Dayang Laila (2008) Comparison of optimum finite element method vs. differential quadrature method in two-dimensional heat transfer problem. International Review of Mechanical Engineering, 2 (3). ISSN 1970-8734; ESSN: 1970-8742

Varatharajoo, Renuganth and Kahle, Ralph and Fasoulas, Stefanos (2003) Approach for combining spacecraft attitude and thermal control systems. Journal of Spacecraft and Rockets, 40 (5). pp. 657-664. ISSN 0022-4650; eISSN: 1533-6794

Djojodihardjo, Harijono and A. Gunter, A. Aq'Grabin and Varatharajoo, Renuganth (2012) Parametric study of ground-track based performance measure requirements for the optimization of near earth twin-spacecrafts trajectory. In: AEROTECH-IV 2012-Recent Advances in Aerospace Technology, 21-22 Nov. 2012, Kuala Lumpur, Malaysia. (pp. 1-8).

Varatharajoo, Renuganth (2006) Hybrid spacecraft attitude control systems. In: Multiphysics 2006, 14-15 Dec 2006, Maribor,Slovenia. .

Mohd Suhadis, Nurulasikin and Varatharajoo, Renuganth (2006) New satellite attitude control structure using the geomagnetic field. In: Seminar on Engineering and Technology (SET2006) , 4-5 Sept. 2006, Putrajaya, Malaysia. (pp. 43-49).

Filipski, Mohammad Nizam and Varatharajoo, Renuganth (2006) Satellite orbit estimation using earth magnetic field measurements. In: Seminar on Engineering and Technology (SET2006) , 4-5 Sept. 2006, Putrajaya, Malaysia. (pp. 163-171).

Varatharajoo, Renuganth (2014) Space system trade-offs: towards spacecraft synergisms. [Inaugural Lecture]