... a control strategy that varies the frequency and voltage of the signal applied to the windings of the induction motor, while controlling the flux created in the air-gap of the induction motor. ... outputs of an induction motor, we can use this motor controller to control an induction machine. ã TMS320F243 DSP controller. This is manufactured by the Texas Instruments Company and is one of ... the induction motor s many advantages are clearly explained. Wildi also presents the two types of induction motors: “the squirrel cage inductionmotor and the “wound motor . An explanation of...
... : Algorithm of the proposed MPPT control method. Fig.7: Wind turbine output power without MPPT control method for low wind speed. Fig.8: Wind turbine output power with MPPT control method ... Search rules of the various cases of operation are summarized in the table I. Fig.4. Operation modes of buck boost converter 2Unlike constant -speed control, a variable -speed control can ... method for low wind speed. Fig. 9 and 10 give the wind turbine output power without and with MPPT control method for high wind speed. The impact of the proposed MPPT control method used...
... rotor (armature) of the motor is available to drive an external load. DC motors are widely used in numerous control applications because of features such as high torque, speed controllability ... A schematic diagram of a DC motor is shown in Figure 6. Figure 6. Schematic Diagram of a DC Motor Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop SpeedControl System 10 ... Furthermore, the controlof AC actuators was a difficult task at that time. Today, AC motors are also widely used as servo-motors, employing modern methods of phase-voltage control and frequency control...
... Systems, and Computer Integrated Manufacturing. Printice-Hall, 1987. 2. Yoram Koren: Computer Controlof Manufacturing Systems. McGraw-Hill, 1983. 3. Japanese National Research Institute: Mechanical ... loại: (1) điều khiÓn thÝch nghi tèi −u (Adaptive Control With Optimization - ACO) và (2) điều khiển thích nghi theo điều kiện giới hạn (Adaptive Control With Constraints - ACC). Hệ ACO điều khiển ... giá trị lực cắt, chuyển thành tín hiệu điện áp để cung cấp cho bộ điều khiển (AC Controller). - Chức năng AC Controller đợc thực hiện nhờ một PC, có cắm card thu nhận và xử lý tín hiệu PCL-812...
... proposes an adaptive control method of partially known system and shows its application result to controlof a two-wheeled welding mobile robot. The controlled system is designed using Lyapunov ... [17] N. Sarkar, X. Yun and V. Kumar, Controlof Mechanical Systems With Rolling Constrains: Application to Dynamic Controlof Mobile Robots”, The Int. Journal of Robotics Research, Vol. 13, No. ... Motion Controlof Mobile Robot for Lattice Type of Welding Line”, KSME International Journal, Vol. 16, No. 1, pp. 83-93, 2002. [5] B.O. Kam, Y.B. Jeon and S.B. Kim, “Motion Controlof Two-Wheeled...
... reported to controlof BLDC motorusing six-switch three-phase inverter (SSTPI). Direct torque control (DTC) scheme was first proposed by Takahashi [1] and Depenbrock [2] for induction motor drives ... efficiency control strategies of an induction motor, ” IEEE Trans. Ind. Appl., vol. 22, no. 5, pp. 820–827, Sep./Oct. 1986. [2] M. Depenbrock, “Direct self -control of inverter-fed induction machine,” ... and effectiveness of the sensorless three-phase conduction DTC of a BLDC motor drive with six-switch inverter. 2. The Proposed Sensorless DTC of Four-Switch BLDC Motor Drive Using Three-Phase...
... programming-based controlof brushless motors,”IEEE Trans. Control Syst. Technol., vol. 11, no. 1, pp. 139–146, Jan. 2003.[19] S. J. Kang and S. K. Sul, “Direct torque controlof brushless dc motor withnonideal ... high-efficiency control strategies of an induction motor, ” IEEE Trans. Ind. Appl., vol. 22,no. 5, pp. 820–827, Sep./Oct. 1986.[25] M. Depenbrock, “Direct self -control of inverter-fed induction machine,”IEEE ... INDIRECT FLUX CONTROLOF BRUSHLESS DC MOTOR 355TAB L E ISWITCHINGTABLE FORDTC OF BLDC MOTORUSINGTHREE-PHASECONDUCTIONindirectly kept at its optimum level, while the motorspeed isless...
... only the torque is controlled without speed control, the time range ofcontrol system under transient state is selected short. The motor speeds up to a very large value if the motor is run longer ... effectiveness of the two-phase four-switch DTC of a BLDC motor drive in the constant torque region. II. THE PROPOSED FOUR-SWITCH DIRECT TORQUE CONTROL OF BLDC MOTOR DRIVEA. Principles of ... DTC of a BLDC motor drive using four-switch inverter with faster torque response due to the fact that the voltage space vectors are directly controlled. Therefore, the direct torque controlled...
... of air and water pollution sources, existing level ofcontrol technologies, application of air quality models (ISCST3) and concepts of zone of initial dilution and mixing zones in respect of ... noise pollution control, Prevention and controlof pollution in small scale industries, augmentation of existing air and water quality monitoring, network monitoring of updating of Action Plan ... the Chairman/Senior Officers of the Pollution Control Boards/Committees at Ministry of Environment and Forests on August 19, 1997. This resulted into identification of a total of 2026 defaulting...