iosr-JEEE   Volume-10 ~ Issue-5 ~ Sep-Oct 2015

Abstract: Automated inspection systems is the target for all automated organizations. The objective zero defect considers as a challenge for many industries since there are many factors effect on production line. Increase scrape items effect on productivity and environment; rework produced items as bottle neck for production lines and decrease products rates. The objectives for the research project focused on four main concerning, Evaluate automated inspection and control system in manufactures. Redesign online inspection system for some industrial case studies for the purpose of enhancing Quality control, tracking quality control in manufacturing systems and embedded improving computer vision systems in the production lines levels, and reduce defect items by correct parameters during the production lines. Research project focused on some case studies like (plastic, hot stamping, assembly, and textile) industries in Malaysia and Iraq. Computer vision systems was the common methods since it considers as non-destruction testing system. One of the machine vision systems techniques is image processing technique.

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Abstract: In this paper, a second order sliding mode controller is applied for single-input single-output (SISO) uncertain system. The presented controller successively overcomes the variations caused by the uncertainties and external load disturbances although an approximate model of the system is used in the design procedure. An integral type sliding surface is used and the stability and robustness properties of the controller are proved by means of Lyapunov stability theorem. The chattering phenomenon is significantly reduced adopting the switching gain with the known parameters of the system..

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Abstract: In this paper a method for estimation of torque is proposed in case of sensorless bldc motor. The bldc motor's are used in places that require fast torque response, high effiency, high power density where torque pulsation's problem may occure. A Sliding mode observer combined with extended kalman filter is proposed for bldc motor using matlab simulation for estimation of instantenous torque. Sliding mode observer is a parameter for estimating the phase to phase trapezoidal back-EMF in sensor less mode. The extended Kalman filter (EKF) is the nonlinear version of the Kalman filter which linearizes about an estimate of the current mean and covariance. Keywords: BLDC motor,Sliding mode observer, Extended kalman filter,DTC

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[3]. Teck-Seng Low, Tong-Heng Lee, King-Jet Tseng, and Kai-Sang Lock, "Servo Performance of a BLDC Drive with Instantaneous Torque Control" ieee transactions on industry applications, vol. 28, no. 2, marchjapril 1992

[4]. D.Suganyadevi, Dr. M. Sathiskumar, "Direct Torque Control In BLDC Motor Using Four Swich Inverter", International Journal of Science, Engineering and Technology Research (IJSETR), Volume 3, Issue 12, December 2014

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