play speed settings control

... control; 2) power signal feedback (PSF) control; 3) perturbation and observation (P&O) control; 4) wind speed estimation (WSE)-based control; and 5) fuzzy logic (FL) control [18], [19] A OT Control ... WECSs were reviewed Then, the existing wind speed sensorless MPPT methods, including the OT control, PSF control, P&O control, WSE-based control, and FL control, were discussed To the best of the ... MPPT algorithms is to control the shaft speed of the wind turbine so as to maintain the optimal TSR without the knowledge of wind speed The existing wind speed sensorless MPPT control methods can...

Ngày tải lên: 27/09/2016, 20:23

Ngày tải lên: 17/12/2013, 14:15

... speed control method 38 4.3.2 Open Loop V/f speed control method using PI controller 42 4.3.3 Closed Loop V/f speed control method using PI controller 44 4.4 Vector Control ... throughout the speed range This makes constant V/f method the most common speed control method of an induction motor 4.3.1 Closed Loop V/f speed control method The basis of constant V/f speed control ... control algorithms is done to control the speed of the motor using suitable speed control methods The basic block diagram of an electrical drive is shown below: SOURCE POWER MODULATOR MOTOR CONTROL...

Ngày tải lên: 18/12/2013, 22:06

... normal playback when released It's time to test the final result 10 Choose Control > Test Movie to view the project to this point When the movie appears, use the various buttons to control the playback ... when you interact with one of the playback control buttons Insert the following conditional statement within the handleMessage() function definition: if(action == "play" ){ fastSound.stop() 10 delete ... executed only when the playhead on the main timeline is between Frames 50 and 100 Using the _currentframe property in conjunction with a gotoAndPlay() action allows you to control the direction...

Ngày tải lên: 24/12/2013, 07:17

... Status Word ACTVAL_WORD: Địa Actual Value Word ACT_ROTATION: Chiều quay thực thi CTR_WORD: Địa Control Word SETP_WORD: Địa Setpoint Word Trước hết, bạn cần cài đặt thông số biến tần thiết lập...

Ngày tải lên: 28/12/2013, 22:07

... versus tip -speed ratio Fig.3 : Connection diode rectifier circuits to the generator Unlike constant -speed control, a variable -speed control can adjust the speed of the turbine as the wind speed changes, ... MPPT control method at low wind speed The use of the MPPT converter imposes a low DC bus voltage to recover the wind energy at the low winds speeds Fig.8: Wind turbine output power with MPPT control ... control method for low wind speed Start Fig 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 to...

Ngày tải lên: 03/01/2014, 19:15

... PI d PWM u i Fig DC-DC converter controller III NEW POWER CONTROL STRATEGY In order to extract the maximum power available at various wind speeds, two different control algorithms are normally ... different control algorithms are normally applied to the VSWT: pitch angle control and speed (torque) control The pitch control algorithm is used to change the pitch angle and the blades turn out ... power in above rated wind speeds This control acts directly upon an additional hydraulic system and is very important to protect the blades from breaking The speed control algorithm serves to...

Ngày tải lên: 03/01/2014, 19:15

... Speed Control « SPC Gas Springs, cushioned SPC Gas Spring 2486.12 ! CT P R S TM 2486.12 ODU FIBRO SPC Gas Springs Speed ControlTM« are designed to reduce or ... with SPC SPC reduces speed to 0.4 m/s stroke in mm press speed 1.0 m/s Filling connection 1) for 2486.12.05000 2) M10 for 2486.12.03000 and 2486.12.05000 time in s Speed Control « SPC Gas Springs ... caused by the increased return travel speed in high speed presses (link drive presses) SPC Gas Springs feature an integral return travel delay which reduces the speed of the gas spring to 0.4 m/s...

Ngày tải lên: 22/01/2014, 02:20

... Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System Kevin Craig 23 Control Design The objective of the exercise is to control the angular speed of the load by regulating the command ... motors are widely used in numerous control applications because of features such as high torque, speed controllability over a wide range, portability, well-behaved speedtorque characteristics, and ... angular speed ωc in a uniform magnetic field of flux density B This proportionality between v0 and ωc is used to measure the angular speed ωc Mechatronics DC Motor / Tachometer Closed-Loop Speed Control...

Ngày tải lên: 25/01/2014, 13:20

... ua is controlled through the pulse width modulation 56 Parameter Setting of Analog Speed Controllers 3.1.2 Current controllers In most traditional DC drives, the driving torque Tem is controlled ... the analysis and tuning of the speed loop 3.2 The impact of secondary dynamics on speed- controlled DC drives Fig 3.5 59 The torque actuation in cases when the speed controller supplies the voltage ... dynamics on speed- controlled DC drives In Fig 3.6, the speed controlled system employing the DC motor as the torque actuator is shown The figure includes the secondary phenomena, such as the speed- feedback...

Ngày tải lên: 27/01/2014, 15:20

... that the control technologies are categorized into high -speed servo control, precision control, and environment-friendly control As such, potential readers can easily find an appropriate control ... from high -speed motion control to precision motion control Currently, many industrial controllers used in various engineering disciplines have two or more control modes, and a supervisory controller ... Multi-rate control( Sec.3.4) Two stage actuator H∞ control (Sec.5.2) 1995 1.0" 2000 H2 control Multi-rate notch filter Multi sensing control Mechanical resonance in-phase control PQ control( decoupling)...

Ngày tải lên: 18/02/2014, 22:20

... Templates \Control Panel Bạn ý hộp thoại bên phải Local Group Policy Editor, tìm đến dòng "Prohibit access to Control Panel and PC settings" nhấn đôi chuột vào Hộp thoại tùy chỉnh "Prohibit access to Control ... đến hệ thống Bài viết hướng dẫn bạn đọc cách vô hiệu hóa kích hoạt lại việc truy cập vào Control Panel PC Settings Windows Nhấn tỗ hợp phím tắt Win + R để gọi hộp thoại Run Nhập lệnh "gpedit.msc" ... Vô hiệu hóa việc truy cập vào tính thiết lập Control Panel thường quản trị viên máy tính áp dụng vào máy tính thành viên nhằm hạn chế thiết lập...

Ngày tải lên: 11/03/2014, 02:20

Ngày tải lên: 16/03/2014, 12:20

... Templates \Control Panel Bạn ý hộp thoại bên phải Local Group Policy Editor, tìm đến dòng "Prohibit access to Control Panel and PC settings" nhấn đôi chuột vào Hộp thoại tùy chỉnh "Prohibit access to Control ... and PC settings" nhấn đôi chuột vào Hộp thoại tùy chỉnh "Prohibit access to Control Panel and PC settings" xuất hiện, bạn nhấn chọn "Enabled", sau lưu lại Kết thúc trình, bạn gọi hộp thoại Run...

Ngày tải lên: 25/03/2014, 06:20

... is of turbine speed control system Electronic Governor Control system Speed SP HPS Control Valve Opening (MV) GT Turbine Speed Signal (PV) KP Compressor Figure 1: Turbine Speed Control The reason ... the most common control algorithm [1] In this chapter, the basic concept of the PID controls will be explained PID controller’s algorithm is mostly used in feedback loops PID controllers can ... implemented as a stand-alone controller or as part of Direct Digital Control (DDC) package or even Distributed Control System (DCS) The latter is a hierarchical distributed process control system which...

Ngày tải lên: 16/04/2014, 01:46

... constant speed of 30 µm/s (a), with a dynamic control (b), and with a dynamic control and at a variable speed (c) Figure Comparative line traces for a usual scanning (black) and with a dynamic control ... to Zhang et al [7], the scanning speed was determined by the behavior of the error signal controls (which was the input signal for the PI controller) The PI controller output bandwidth can be ... function, τi G0 K As a result, the speed of a closed-loop control system (that is, without loss of surface) is determined by the time constant τi Feedback speed, G0 K the speed of the actuator, is limited...

Ngày tải lên: 21/06/2014, 17:20

... of a combined power control and receiver adaptation in a CDMA uplink, we develop, here, a joint power control and multicode receiver adaptation algorithm suitable for a highspeed UMTS downlink ... authors in [16] present a joint power control and base station assignment for the downlink Many others researchers are interested on the study of the downlink power control such as [17–19] In [17], ... [17], the authors studied the joint optimal power control and beamforming in wireless networks In [18], the authors studied the downlink power control allocation for multiclass wireless systems...

Ngày tải lên: 22/06/2014, 22:20

... Performance of the controlled system with current controller in the frequency domain for (38) For the chosen frozen value of (at undersynchronous speed) , the controlled system with current controller ... normal operation of the DFIM, the nominal speed is close to the synchronous speed Hence, if we denote the ratio of the nominal speed and the synchronous speed by , i.e we can write where (28) (29) ... allows to present the variation of the rotor speed around the synchronous speed From that point, the deviation of the rotor speed by from the nominal speed can be expressed as (30) (31) (23) where...

Ngày tải lên: 26/10/2014, 14:39

... model Rotor speed 0.5 1.5 2.5 Time (s) Fig Step speed response using PI controller only with Kp=1500, Ki=30 while sensorless PMSM operated at normal load condition Speed (rpm) 1000 Speed command ... 50 40 30 20 10 0 Speed (rpm) 1000 0.5 1.5 (b) Rotor speed Speed command 800 600 Reference model 400 200 0 0.5 1.5 2.5 (c) Time (s) Fig 10 Step speed response using adaptive PI controller while ... 1 (34) (35) III SIMULINK/MODELSIM CO-SIMULATION OF SENSORLESS SPEED CONTROL FOR PMSM DRIVE In Fig.1, it shows the sensorless speed control block diagram for PMSM drive and its Simulink/ModelSim...

Ngày tải lên: 02/08/2015, 13:21

... the speed and torque control performance over a wide speed range The conventional current vector control of interior PMSMs has been implemented for a smooth and accurate speed and torque control ... power speed range 18 1.5.4 The Control of PMSMs Control techniques are critical to exploit the power capability of PMSMs over the entire speed range The torque is usually controlled by controlling ... forward Compared to conventional current vector control, the proposed control scheme improves the dynamic response on speed and torque control on the wide -speed operation Current regulator saturation,...

Ngày tải lên: 15/09/2015, 22:06