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The main purpose of this study is to overcome the difficulties experienced by the mothers during the sleeping period of the babies and to put the babies to sleep in a comfortable and peaceful way as if the babies were in the mother's lap. In this direction, the motion that the mother made while sleeping her baby on the lap was modeled, and a cradle designed to repeat mother movements based on this...
A comparative study has been made incorporating PI and Fuzzy Logic Controllers in the design of a speed controller for a DC motor. Considering the merits and demerits of each of these, a self-tuned Fuzzy-PI hybrid controller has been proposed, to eliminate the setbacks of the former Controllers. The rationale for the above is provided by modeling a DC Motor in MATLAB Simulink and noting that better...
Cam follower mechanisms are used for obtaining complex motion outputs at follower end with different profile curve inputs at cam end. The kinematic behaviour of follower establishes basic suitability of cam for a given application and it is decided by the cam profile curves, which is main input of cam follower system. In this paper synthetic curves, that are generated parametrically through a set...
One of the most exciting applications of V2X technologies, that is envisioned, is the platooning of a series of autonomous vehicles led by a manually driven vehicle. However, the realization of this application depends entirely on the efficacy of a platoon control algorithm and the communication channel amongst the platoon members. There are many different control algorithms that are being considered...
Based on the further research of STCA and F-STCA cellular automata traffic flow model, combined with the actual situation of the symmetric same direction two-lane traffic flow, improved the risk description of vehicle lane-changing in the driving, a more perfect distance constraint rule and cellular automata traffic flow model are proposed, which are more in line with the actual situation of symmetric...
Attitude and altitude control of quadrotor is investigated in this paper. Stable sliding surfaces are used for devising robust control for roll, pitch, yaw motion and altitude. Gao's power rate reaching law is used to devise proposed sliding mode controllers. The robustness of the controllers is verified in simulation. The method is validated in MATLAB simulation. The proposed controller is compared...
This paper presents the design and development of an economic and efficient induction motor controller for driving an electric vehicle (EV). Though the vector control of induction motor is fast and efficient for variable speed operation, it is not worth using in applications such as electric vehicles where changes in speeds are not as fast as in servo applications. The proposed controller uses an...
The paper depicts the reviews on evolution of a cube shaped device called the Cubli, which has the ability to leap up, create equilibrium on different angles and edges. The study is focussed upon the control techniques when there is a sudden brake on high angular velocity rotation of reaction wheels, which are seated on the surface of Cubli, allowing the Cubli to leap up, first to its edge, and then...
The relevance of simulation based software has increased for the academic education of engineers. In this article we consider didactic issues and an open source software architecture to address these issues. The sketched software and teaching approach provides the design and prototype implementation of a learning environment to support teaching in engineering education. A software architecture that...
The purpose of this study is to model, simulate and verify the entire vehicle handling dynamics of UNS Electric vehicle (Semar-T) using Matlab-Simulink. The modeling of Semar-T electric vehicle begins from the derivation equation of motion and Dugoff tire model. The equations are derived using Second Newton's Law and then simulated in Matlab-Simulink environment. Five handling condition tests are...
Modeling complex mechatronic systems containing parts such as mechanics, electronics and software is a major challenge for the engineering of automation production systems. As a result, many modeling languages as well as tools (e.g. petri nets or MATLAB/Simulink) and verification approaches (e.g. testing, simulation or formal verification) that focus on special challenges to model the mechatronic...
Image Deblurring algorithms have been evolving over many decades. Although there are many algorithms available today that produce reasonably good results, their speed of execution make them less appealing for many real time applications. Thus we address this issue by improving speed of execution of an existing algorithm using parallelization and other optimizations. The algorithm we selected was published...
Particle swarm optimization (PSO) is a stochastic algorithm conceived to solve complex optimization problems. Since its first appearance, different models of PSO have been proposed, in order to improve its search characteristics. Despite the results in literature are very promising, PSO has not been deeply applied within the industrial domain, mainly due to the lack of integrated tools conceived to...
Near-field electrospinning (NFES) is a novel method possessing higher controllability than conventional far-field electrospinning (FFES). But due to the lack of directions of theoretical model, precise deposition of nanofibers could only accomplished by experience. In this work, expressions for jet cross-sectional radius and jet velocity in NFES were derived in terms of axial position and initial...
This paper describes the use of a formal optimisation procedure to optimise a plug-in hybrid electric bus using two different case studies to meet two different performance criteria; minimum journey cost and maximum battery life. The approach is to choose a commercially available vehicle and seek to improve its performance by varying key design parameters. Central to this approach is the ability to...
This paper presents the use of graphic processing unit (GPU) to accelerate a brain-activity analytical tool, the Dynamic Causal Modelling for Event Related Potential (DCM for ERP) in MATLAB. DCM for ERP is a recently developed advanced method for studying neuronal effective connectivity and making inference about the brain functions. DCM utilizes an iterative procedure, the expectation maximization...
Using interpreted languages such as MATLAB to prototype electromagnetic modeling codes often provides efficiency at the cost of performance. To sidestep this tradeoff, we demonstrate how a frequency domain method of moments routine written in MATLAB for microstrip patch antennas can be automatically accelerated on GPU hardware. The interpreted MATLAB code performance is compared with the accelerated...
This paper firstly analyses the physical model of planar single inverted pendulum system, then builds the mathematical model of this system based on Lagrangian mechanics. These characteristics: multi-parameter, less-driven, strong coupling and highly nonlinearity make it difficult to stabilize the planar inverted pendulum system. But nearby the upright equilibrium of this system, the nonlinear mathematical...
Design of cam drive mechanism has a direct effect to moving stability and system work consumption of rifle bolts. Based on the parametric design theory, the designed cam drive mechanism can accurately simulation-analyze the rifle bolts' movement, optimize design structure, depress the system work consumption of Gatling gun, reduce design period and cost, through analyzing design calculating coupled...
Performance index of minimal time with constrains of successful intercepting on intercepting problem of robot soccer game is built and it is changed into a programming problem with equality constrains to be solved. When acceleration of robot cart is considered, the model is changed in detailed and it show that the model is easy to expanded and corrected. Solving the models above using MATLAB and it...
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