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Robust Integral Sliding Mode Control Design for Stability Enhancement of Under-actuated Quadcopter (2020)
Journal Article
Ullah, S., Mehmood, A., Khan, Q., Rehman, S., & Iqbal, J. (2020). Robust Integral Sliding Mode Control Design for Stability Enhancement of Under-actuated Quadcopter. International journal of control, automation and systems, 18(7), 1671-1678. https://doi.org/10.1007/s12555-019-0302-3

In this paper, a robust backstepping integral sliding mode control (RBISMC) technique is designed for the flight control of a quadcopter, which is an under-actuated nonlinear system. First, the mathematical model of this highly coupled and under-actu... Read More about Robust Integral Sliding Mode Control Design for Stability Enhancement of Under-actuated Quadcopter.

Estimation of Surgical Needle Insertion Force Using Kalman Filter (2020)
Journal Article
Jafri, S. R. U. N., Jamshaid, A., Jafri, S. M. U. N., & Iqbal, J. (2020). Estimation of Surgical Needle Insertion Force Using Kalman Filter. Journal of Electrical Engineering & Technology, 15(2), 899-906. https://doi.org/10.1007/s42835-020-00355-3

This paper presents a novel low-cost technique to measure the insertion force of a surgical needle on a testing surface to check needle strength. A combination of a load cell with a current sensor for a linear DC motor has been used to estimate the i... Read More about Estimation of Surgical Needle Insertion Force Using Kalman Filter.

On the improvement of calibration accuracy of parallel robots - Modeling and optimization (2020)
Journal Article
Bentaleb, T., & Iqbal, J. (2020). On the improvement of calibration accuracy of parallel robots - Modeling and optimization. Journal of Theoretical and Applied Mechanics (Poland), 58(1), 261-272. https://doi.org/10.15632/JTAM-PL/115863

This paper proposes kinematic based calibration methods for Delta parallel robots. The boundary of the robot workspace is computed using a forward kinematic model. Influence of errors in kinematic parameters on the workspace boundaries is investigate... Read More about On the improvement of calibration accuracy of parallel robots - Modeling and optimization.

Rigid 3d registration algorithm for localization of the vertebral centroids in 3d deformity models of adolescent idiopathic scoliosis (2020)
Journal Article
Ćuković, S. M., Taylor, W., Luković, V., Ghionea, I., Baizid, K., Iqbal, J., & Karuppasamy, S. (2020). Rigid 3d registration algorithm for localization of the vertebral centroids in 3d deformity models of adolescent idiopathic scoliosis. Computer-Aided Design and Applications, 17(6), 1313-1325. https://doi.org/10.14733/cadaps.2020.1313-1325

In this paper, we developed a methodology for a non-invasive 3D diagnosis based on a digitized dorsal surface of the patient enabling assessment and monitoring of Adolescent Idiopathic Scoliosis (AIS). We applied a novel 3D registration algorithm, wh... Read More about Rigid 3d registration algorithm for localization of the vertebral centroids in 3d deformity models of adolescent idiopathic scoliosis.

Robust Sliding Mode Control for Flexible Joint Robotic Manipulator via Disturbance Observer (2019)
Journal Article
Alam, W., Ahmad, S., Mehmood, A., & Iqbal, J. (2019). Robust Sliding Mode Control for Flexible Joint Robotic Manipulator via Disturbance Observer. Interdisciplinary Description of Complex Systems, 17(1), 85-97. https://doi.org/10.7906/indecs.17.1.11

In a flexible joint robotic manipulator, parametric variations and external disturbances result in mismatch uncertainties thus posing a great challenge in terms of manipulator’s control. This article investigates non-linear control algorithms for des... Read More about Robust Sliding Mode Control for Flexible Joint Robotic Manipulator via Disturbance Observer.

Robotics Inspired Renewable Energy Developments: Prospective Opportunities and Challenges (2019)
Journal Article
Iqbal, J., Al-Zahrani, A., Alharbi, S. A., & Hashmi, A. (2019). Robotics Inspired Renewable Energy Developments: Prospective Opportunities and Challenges. IEEE Access, 7, 174898-174923. https://doi.org/10.1109/ACCESS.2019.2957013

The domain of Robotics is a good partner of renewable energy and is becoming critical to the sustainability and survival of the energy industry. The multi-disciplinary nature of robots offers precision, repeatability, reliability, productivity and in... Read More about Robotics Inspired Renewable Energy Developments: Prospective Opportunities and Challenges.

Adaptive Backstepping Based Sensor and Actuator Fault Tolerant Control of a Manipulator (2019)
Journal Article
Awan, Z. S., Ali, K., Iqbal, J., & Mehmood, A. (2019). Adaptive Backstepping Based Sensor and Actuator Fault Tolerant Control of a Manipulator. Journal of Electrical Engineering & Technology, 14(6), 2497-2504. https://doi.org/10.1007/s42835-019-00277-9

The purpose of this research is to propose and design fault tolerant control (FTC) scheme for a robotic manipulator, to increase its reliability and performance in the presence of actuator and sensor faults. To achieve the said objectives, a hybrid c... Read More about Adaptive Backstepping Based Sensor and Actuator Fault Tolerant Control of a Manipulator.

Modern control laws for an articulated robotic arm: Modeling and simulation (2019)
Journal Article
Iqbal, J. (2019). Modern control laws for an articulated robotic arm: Modeling and simulation. Engineering, Technology and Applied Science Research, 9(2), 4057-4061. https://doi.org/10.48084/etasr.2598

The robotic manipulator has become an integral component of modern industrial automation. The current paper deals with the mathematical modeling and non-linear control of this manipulator. DH-parameters are used to derive kinematic model while the dy... Read More about Modern control laws for an articulated robotic arm: Modeling and simulation.

Experimental validation of an integral sliding mode-based LQG for the pitch control of a UAV-mimicking platform (2019)
Journal Article
Khan, S. G., Bendoukha, S., Naeem, W., & Iqbal, J. (2019). Experimental validation of an integral sliding mode-based LQG for the pitch control of a UAV-mimicking platform. Advances in Electrical and Electronic Engineering, 17(3), 275-284. https://doi.org/10.15598/aeee.v17i3.3031

In this paper, an enhanced Integral Sliding Mode-based Linear Quadratic Gaussian (ISM-LQG) controller has been proposed and verified in real-time on a Twin Rotor multi-input-multi-output MIMO System (TRMS). A TRMS serves as a suitable laboratorybased... Read More about Experimental validation of an integral sliding mode-based LQG for the pitch control of a UAV-mimicking platform.

Gain-scheduled proportional integral derivative control of taxi model of unmanned aerial vehicles (2019)
Journal Article
Wasim, M., Ullah, M., & Iqbal, J. (2019). Gain-scheduled proportional integral derivative control of taxi model of unmanned aerial vehicles. Revue Roumaine des Sciences Techniques : Série Électrotechnique et Énergétique, 64(1), 75-80

Unmanned aerial vehicles (UAVs) are extensively used for defense and surveillance applications. To ensure desirable performance under all conditions, a UAV requires an appropriate control strategy. For the design of control law, a complete understand... Read More about Gain-scheduled proportional integral derivative control of taxi model of unmanned aerial vehicles.

Human machine interface: robotizing the instinctive living (2018)
Journal Article
Tahir, A. M., Iqbal, J., & Aized, T. (2018). Human machine interface: robotizing the instinctive living. International Robotics & Automation Journal, 4(5), 308-314. https://doi.org/10.15406/iratj.2018.04.00142

The advancement in medical science and technology has revolutionized human interaction with machines, crafting one of the most promising state-of-the-art technological fields of today’s world. This innovation has made doors opened to rehabilitation b... Read More about Human machine interface: robotizing the instinctive living.

Advanced sliding mode control techniques for Inverted Pendulum: Modelling and simulation (2018)
Journal Article
Irfan, S., Mehmood, A., Razzaq, M. T., & Iqbal, J. (2018). Advanced sliding mode control techniques for Inverted Pendulum: Modelling and simulation. Engineering Science and Technology : an International Journal, 21(4), 753-759. https://doi.org/10.1016/j.jestch.2018.06.010

Numerous practical applications like robot balancing, segway and hover board riding and operation of a rocket propeller are inherently based on Inverted Pendulum (IP). The control of an IP is a sophisticated problem due to various real world phenomen... Read More about Advanced sliding mode control techniques for Inverted Pendulum: Modelling and simulation.

Towards realizing robotic potential in future intelligent food manufacturing systems (2018)
Journal Article
Khan, Z. H., Khalid, A., & Iqbal, J. (2018). Towards realizing robotic potential in future intelligent food manufacturing systems. Innovative Food Science and Emerging Technologies, 48, 11-24. https://doi.org/10.1016/j.ifset.2018.05.011

This paper provides a comprehensive review of the robotic potential that is foreseen by researchers in designing future food manufacturing plant. The present day food handling and packaging setup is limited in capacity and output due to manual proces... Read More about Towards realizing robotic potential in future intelligent food manufacturing systems.

A systems engineering approach to find the solution of the lubricant compromise for the wind turbine gear box (2018)
Journal Article
Usman, M., & Iqbal, J. (2018). A systems engineering approach to find the solution of the lubricant compromise for the wind turbine gear box. NFC-IEFR Journal of Engineering and Scientific Research, 6(1), 89-97

Recent advancements in the field of systems engineering has broadened the horizon of its applications in handling complex systems. In the author’s previous work it has been shown that the low reliability and maintainability of the wind turbine is cau... Read More about A systems engineering approach to find the solution of the lubricant compromise for the wind turbine gear box.

Optimal and Robust Control of Multi DOF Robotic Manipulator: Design and Hardware Realization (2018)
Journal Article
Ajwad, S. A., Iqbal, J., Islam, R. U., Alsheikhy, A., Almeshal, A., & Mehmood, A. (2018). Optimal and Robust Control of Multi DOF Robotic Manipulator: Design and Hardware Realization. Cybernetics and Systems, 49(1), 77-93. https://doi.org/10.1080/01969722.2017.1412905

Robots have become an integral part of industrial automation. Their ultimate role and contribution in this sector is essentially a function of the associated control strategy to ensure precision, repeatability, and reliability, particularly in an env... Read More about Optimal and Robust Control of Multi DOF Robotic Manipulator: Design and Hardware Realization.

A novel goal-oriented strategy for mobile robot navigation without sub-goals constraint (2018)
Journal Article
Zohaib, M., Iqbal, J., & Pasha, S. M. (2018). A novel goal-oriented strategy for mobile robot navigation without sub-goals constraint. Revue Roumaine des Sciences Techniques : Série Électrotechnique et Énergétique, 63(1), 106-111

This paper proposes an approach for obstacle avoidance to ensure safe navigation in a mazy environment. The presented bubble bug algorithm (BBA) is an enhancement of already proposed intelligent bug algorithm (IBA), which over performs bug variants.... Read More about A novel goal-oriented strategy for mobile robot navigation without sub-goals constraint.

Nonlinear control of a flexible joint robotic manipulator with experimental validation (2018)
Journal Article
Alam, W., Mehmood, A., Ali, K., Javaid, U., Alharbi, S., & Iqbal, J. (2018). Nonlinear control of a flexible joint robotic manipulator with experimental validation. Strojniški vestnik - Journal of Mechanical Engineering, 64(1), 47-55. https://doi.org/10.5545/sv-jme.2017.4786

This article addresses the design and implementation of robust nonlinear control approaches to obtain the desired trajectory tracking of a flexible joint manipulator driven with a direct-current (DC) geared motor. The nonlinear control schemes have b... Read More about Nonlinear control of a flexible joint robotic manipulator with experimental validation.

An efficient and intelligent solar charge controller: Design and prototyping (2017)
Journal Article
Akram, I., Awais, M., & Iqbal, J. (2017). An efficient and intelligent solar charge controller: Design and prototyping. University of Wah Journal of Science and Technology, 1(1), 1-7

Demand for alternative energy sources has increased incredibly due to the energy crisis in Pakistan. Photo voltaic system is one of the best solutions to cope with this crisis. Battery is a component of primary... Read More about An efficient and intelligent solar charge controller: Design and prototyping.

Exploring the training potential of recent virtual robotic platforms: A comprehensive review (2017)
Journal Article
Ali Ajwad, S., Ul islam, R., & Iqbal, J. (2017). Exploring the training potential of recent virtual robotic platforms: A comprehensive review. Journal of Advancements in Robotics, 4(2), 9-25

In recent years, deployment of robotic manipulators in industries and other fields has increased significantly. This growing trend highlights the need of trained engineers and technicians. Virtual robotic platforms facilitate engineers to acquire kno... Read More about Exploring the training potential of recent virtual robotic platforms: A comprehensive review.

Nonlinear control systems - A brief overview of historical and recent advances (2017)
Journal Article
Iqbal, J., Ullah, M., Khan, S. G., Khelifa, B., & Ćuković, S. (2017). Nonlinear control systems - A brief overview of historical and recent advances. Nonlinear Engineering, 6(4), 301-312. https://doi.org/10.1515/nleng-2016-0077

Last five decades witnessed remarkable developments in linear control systems and thus problems in this subject has been largely resolved. The scope of the present paper is beyond linear solutions. Modern technology demands sophisticated control laws... Read More about Nonlinear control systems - A brief overview of historical and recent advances.