arduino motor speed control code

Ngày tải lên: 18/12/2013, 22:06

... root-locus domain. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 24 Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System 1. Introduction This ... well-behaved speed- torque characteristics, and adaptability to various types of control methods. DC motors are classified as either integral-horsepower motors (≥ 1 hp) or fractional-horsepower motors ... power amplifier. Motor speed is measured using an analog tachometer. Figure 2. Physical System Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 5 Most...

Ngày tải lên: 25/01/2014, 13:20

Ngày tải lên: 17/12/2013, 14:15

Ngày tải lên: 28/12/2013, 22:07

...  Overview of Gas Springs 2 . 21369 . 2007 . 1  Speed Control TM « SPC Gas Springs, cushioned 2486.12. FIBRO SPC Gas Springs Speed Control TM « are designed to reduce or eliminate the ... 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 ... 2 . 21370 . 2007 . 1  3 Speed Control TM « SPC Gas Springs, 2486.12. cushioned subject to alterations Force in daN at Piston...

Ngày tải lên: 22/01/2014, 02:20

Ngày tải lên: 16/03/2014, 12:20

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 29/06/2014, 09:20

... examples/unshared.py Committed revision 7. CHAPTER 3 ■ REVISION CONTROL: SUBVERTING YOUR CODE5 2 9810ch03.qxd 5/15/08 11:09 AM Page 52 Revision Control: Subverting Your Code A t one point or another in your days as ... checks in new code. Y ou can also use revision control to enforce policy. For instance, you can prevent users from checking in changes to certain branches of the tree, analyze code before allowing ... 3 ■ REVISION CONTROL: SUBVERTING YOUR CODE 71 9810ch03.qxd 5/15/08 11:10 AM Page 71 There are times when those merges, no matter how small, will result in incorrectly func- tioning code. A comprehensive...

Ngày tải lên: 05/10/2013, 09:20

... 3.1. The basic control format In essence, we are endeavoring to design a controller that can vary the torque induced in the rotor of the motor. To do this, the induction motor controller will ... for an induction motor An induction motor is an asynchronous AC (alternating current) motor. The least expensive and most widely used induction motor is the squirrel cage motor. The major ... 6.10. The speed response of the control system where the proportional gain of the speed controller is increased As you can see, the transient response is faster as it follows the speed command...

Ngày tải lên: 27/10/2013, 23:15

Ngày tải lên: 13/12/2013, 00:56

Ngày tải lên: 13/12/2013, 03:40

... allocates space in memory for the object and returns a pointer to your code. Second, before control is passed back to your code, the constructor is executed. Why? Your constructor wouldn't ... 9.4 Control the Creation and Behavior of Classes Now that you have code that can prepare all of the objects you need to access and update data in the database, it's time to write code ... Me.txtPhone.Text = mCustomer.Phone Me.txtRegion.Text = mCustomer.Region Me.txtPostalCode.Text = mCustomer.PostalCode End Sub How It Works By adding this constructor, other developers must provide...

Ngày tải lên: 24/12/2013, 06:17

Ngày tải lên: 25/12/2013, 05:17

Ngày tải lên: 01/01/2014, 18:47

... Inc. BACK EMF CONTROL METHOD The back electro-magnetic-force (EMF) or sensorless motor control method obtains the speed and position of the motor directly from the voltage at the motor windings. ... MCUs have a Quadrature Encoder Interface logic integrated into the processor. FIGURE 17: Quadrature Encoder. Motor Quadrature Encoder Channel A Channel B V DD Motor (+) Motor (-) Channel A Channel ... Parekh, Rakesh, “AN889 - VF Control of 3- Phase Induction Motors using PIC16F7X7 Microcontrollers”, Microchip Technology Inc., 2003. 10. Valentine, Richard, editor, Motor Control Elec- tronics Handbook”,...

Ngày tải lên: 03/01/2014, 18:55

... Operation modes of buck boost converter 2 Unlike constant -speed control, a variable -speed control can adjust the speed of the turbine as the wind speed changes, so as to operate at the peak 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 for low wind speed. ... low wind speeds. Fig.9 : Wind turbine output power without MPPT control method for high wind speed. Fig.10 : Wind turbine output power with MPPT control method for high wind speed. ...

Ngày tải lên: 03/01/2014, 19:15

... converter LOAD P electSpeed Duty ratio VSWT Aero dynamical / Mechanical unit MPPT LPPT Operator Controller speed d Control strategy VSWT Control unit VSWT Electrical unit Fig. 1. Control concept ... 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 ... two optimum wind turbines power/torque versus speed characteristics. Two control loops: inner feed forward current control loop and outer voltage control closed loop are applied for the non-inverting...

Ngày tải lên: 03/01/2014, 19:15

Ngày tải lên: 03/01/2014, 19:44

Ngày tải lên: 03/01/2014, 19:44