نتایج جستجو برای: pd control
تعداد نتایج: 1379911 فیلتر نتایج به سال:
objectives to explore the effect of a selective 10-week corrective exercise with an emphasis on gait training activities (gta) on the number of falls (nofs), fear of falling, functional balance, timed up and go (tug) test among pd patients. background posture instability and unsteady gait disorders in parkinson’s disease (pd) usually contribute to fall-related fractures. fall-related trauma in ...
Background & Aims: False memory is more prevalent among PTSD patients. This memory can be affected by group and intensifies the symptoms of the disorder. Psychological Debriefing (PD) and Eye Movement Desensitization and Reprocessing (EMDR) are widely used for the treatment of PTSD patients. The efficacy of these treatments is controversial. Method: A total of 219 PTSD patients were randomly se...
Mitochondrial dysfunction has been implicated in the dopaminergic neurodegeneration, which characterizes Parkinson’s disease (PD). The activities of mitochondrial complexes I and IV were found to be reduced in the brains of PD patients (n = 4) as compared to age-matched controls (n = 4). This is tested in SH-SY5Y cell lines, transformed Rho0 cells, and in normal and PD cybrid cell lines. Cybrid...
Mitochondrial dysfunction has been implicated in the dopaminergic neurodegeneration, which characterizes Parkinson’s disease (PD). The activities of mitochondrial complexes I and IV were found to be reduced in the brains of PD patients (n = 4) as compared to age-matched controls (n = 4). This is tested in SH-SY5Y cell lines, transformed Rho0 cells, and in normal and PD cybrid cell lines. Cybrid...
Introduction: Parkinson’s disease (PD) is the second most neurodegenerative disorder which is characterized by a progressive loss of dopaminergic neurons in the substantia nigra pars compacta. Clinical symptoms do not appear until approximately 70% of dopaminergic neurons and 80% of the striatal dopaminergic terminals have been lost. Thus, detecting nonclinical factors such as detecting b...
Good tracking performance is very important for trajectory tracking control of robotic systems. In this paper, a new model-free control law, called PD with sliding mode control law or PD–SMC in short, is proposed for trajectory tracking control of multi-degree-of-freedom linear translational robotic systems. The new control law takes the advantages of the simplicity and easy design of PD contro...
PD control is widely used in industrial robotic manipulators because of its simple structure and acceptable performance. In this paper, the PD-based control schemes for the trajectory tracking of the robotic manipulators are addressed. The fixed gain PD control, the nonlinear gain PD (NPD) control, the adaptive PD learning control (PD-LC), and the adaptive NPD learning control (NPD-LC) are appl...
Background: Parkinson's disease (PD) is a neurological disorder in which dopamine-producing neurons are destroyed. This disease is associated with aging. Our aim in this study was to measure the serum concentrations of albumin and uric acid (UA) as a biomarker for PD detection. Materials and Methods: In this case-control study, we recruited 40 Parkinson patients and 40 healthy individuals. Blo...
The ball and beam system is one of the most popular laboratory setups for control education. In this paper, we design a fuzzy PD cascade controller for a ball and beam system using Asexual Reproduction Optimization (ARO) technique. The ball & beam system consists of a servo motor, a grooved beam, and a rolling ball. This system utilizes a servo motor to control ball’s position on the beam. Chan...
abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...
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