in this paper, a new numerical method is presented for solvingthe optimal control problems of bang-bang type with free or xed terminaltime. the method is based on bezier polynomials which are presented inany interval as [t0; tf ]. the problems are reduced to a constrained problemswhich can be solved by using lagrangian method. the constraints ofthese problems are terminal state and conditions....

‎in this paper‎, ‎we study spectral element approximation for a constrained‎ ‎optimal control problem in one dimension‎. ‎the equivalent a posteriori error estimators are derived for‎ ‎the control‎, ‎the state and the adjoint state approximation‎. ‎such estimators can be used to‎ ‎construct adaptive spectral elements for the control problems.

in the present paper, we develop a modified pseudospectral scheme for solving an optimal control problem which is governed by a switched dynamical system. many real-world processes such as chemical processes, automotive systems and manufacturing processes can be modeled as such systems. for this purpose, we replace the problem with an alternative optimal control problem in which the switching t...

in acceptance-sampling plans, the items of an incoming lot are inspected one by one. if the number of nonconforming items in sample is equal zero, the lot is accepted but if the number of nonconforming items is equal to one, then second sample is taken and the policy of zero acceptance number would be applied for the second sample. in this paper, a mathematical model is developed to design sing...

In this paper, I test the dividend clientele hypothesis (DCH) by examining the impact of the Jobs and Growth Tax Relief Reconciliation Act of 2003 (the 2003 tax act) on household portfolio dividend yields. The DCH predicts that the 2003 tax act, which reduced the tax-disadvantage of dividends differentially across the income distribution, would cause high income households to shift their portfo...

this paper proposes a discrete-time repetitive optimal control of electrically driven robotic manipulators using an uncertainty estimator. the proposed control method can be used for performing repetitive motion, which covers many industrial applications of robotic manipulators. this kind of control law is in the class of torque-based control in which the joint torques are generated by permanen...

nuclear power reactors are, in nature nonlinear and time varying. these characteristics must be considered, if large power variations occur in their working regime. in this paper a robust optimal gain scheduling controller for regulating the power of a nuclear reactor has been designed and simulated. the proposed controller is capable of regulating power levels in a wide power range (10% to 100...

The main issue writer examines in this writing is to analyze whether or not dividend policy is a determinant to maintain stock values or firm values as a whole. It is essential that dividend policy is managed properly to enhance the satisfaction of the investors at any level of characteristics. At the end, investors are the key that determines the stock value movement. Some investors are lookin...

Publicly listed real estate firms offer an indirect form of real estate investment in Singapore, which are a less restrictive in terms of dividend distribution and asset holding requirements compared to the REITs. Do the dividend policies of these real estate firms differ from those adopted by the US REITs as shown in the earlier findings by Wang, Erickson and Gau (1993) and Bradley, Capozza an...