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This paper first presents a simplified single wheel model for underground mining electric vehicles with bounds of system uncertainties. Then, a fuzzy parameter tuning (FPT) technique is used to adjust the parameters in the sliding mode control (SMC) to improve system stability and robustness at an unexpected external disturbances and unbound system uncertainties. The comparison of the simulation results...
Many research efforts have been made to develop the slider-crank mechanism. Design of a genetic-fuzzy inverse controller for a slider crank mechanism with the piston cylinder drive is studied. This mechanism converts the translating motion into rotating motion. In this approach, the computed torque is implemented to obtain high speed and precise position tracking also; compensation of unknown uncertainties...
In this paper, we have discussed about the Sliding mode Controller (SMC) for missile autopilot. The chattering phenomenon has been studied as the main problem of these systems; we use boundary layer method to overcome this problem. Therefore, the system is robust under various uncertainties and external disturbances. Also, the stability of the system is proved by the Lyapunov theory. In following,...
Nowadays simple and executable controllers that can control many complex processes are more popular, remarkable and justifiable. Studying and designing such controllers for inverted pendulum system is a prominent way to prove the controllers performance. Inverted pendulum system is a classic system in most control laboratories. The system structure, totally, consists of a cart and a pendulum hinged...
In this paper, an adaptive fuzzy logic based control scheme is introduced for the inverted pendulum motion and posture control problem. The adaptive control strategy consists of a Lyapunov stability-based online adaptation technique that leads to motion tracking and posture control. Unlike other control strategies, no a priori offline training, weights initialization, or parameters knowledge is required...
A permanent magnet linear synchronous motor (PMLSM) digital signal processor-based drive including both sliding-mode controller and fuzzy deadzone estimator is developed to steer the mover position of the PMLSM. The sliding-mode controller with integral operation will provide properties of fast response and insensitive to parameter variations and external disturbance. By utilizing the concept of deadzone...
With the development of modern military technology, uncertain decision-making problems become more and more exigent to be solved in military command and control. Based on game theory, and taking air formation to ground attack-defends campaign as the background, this paper establishes an opposed dynamic decision-making model. As to the problems in military decision-making in uncertainty, this paper...
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