Usually when modeling a real process the effects of nonlinearities must be taken into account. A road traffic sector is one such process. Considering it from a macroscopic point of view, the sector is modeled both as ...
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Modern technology offers many opportunities to do things differently and hence a key challenge for academic staff is to decide which technology or approach do they use, how do they use it and of course, why should the...
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The main purpose of this paper is to give some novel insights into the creation and use of feedback within a learning environment. The literature commonly puts all the emphasis for feedback on what staff do, but this ...
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This paper gives a brief review of work on virtual and remote laboratories along with a critique of their strengths and weaknesses. This is used as a motivation for a proposed method for producing virtual laboratories...
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A nonlinear gain scheduling control strategy is proposed for a concentrated solar thermal power plant. The strategy involves the identification of local linear time-invariant state space models around a family of oper...
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This paper studies a fundamental relation that exists between stabilizability assumptions usually employed in distributed model predictive control implementations, and the corresponding notions of invariance implicit ...
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A new form of body-weight supported treadmill walking technique is presented in this paper which may serve as a suitable form of therapeutic intervention with minimal therapists support. While the technique relies on ...
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ISBN:
(纸本)9812835768
A new form of body-weight supported treadmill walking technique is presented in this paper which may serve as a suitable form of therapeutic intervention with minimal therapists support. While the technique relies on spring brake orthosis (SBO) for the swing phase generation, hip extension is produced by the foot being literally dragged backwards by the treadmill belt, appropriate trunk position and orientation being simultaneously maintained by voluntary hand support. Voluntary hand support is simulated with fuzzy logic controllers and the whole gait cycle is controlled as a finite state machine with event detection from kinematic data. The simulation resulted in a complete gait cycle whose parameters were largely dependent on the chosen treadmill speed. The torque requirement from the hand joints (shoulder and elbow) for the successful implementation of the gait cycle is also analysed.
This paper presents and implements a control structure solution based on MPC for two control problems affecting gas phase train in the existing oil and gas production plants: The disturbance growth in the series conne...
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This paper presents a combined approach to the design of PID control applied to vapour-compression refrigeration systems. The underlying controller consists of two decentralised PIDs, aiming to control both the refere...
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This work presents investigations into controlling a two-wheeled robotic machine (TWRM) with a payload positioned at different locations along its intermediate body (IB). Two types of control techniques are developed ...
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ISBN:
(纸本)9812835768
This work presents investigations into controlling a two-wheeled robotic machine (TWRM) with a payload positioned at different locations along its intermediate body (IB). Two types of control techniques are developed and implemented on the system model. The traditional proportional-derivative (PD) control and fuzzy logic (FL) control. An external disturbance force is applied to the rod that constitutes the IB in order to test the robustness of the developed controllers. The simulation results of both control algorithms are analyzed on a comparative basis for the developed two control techniques.
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