motor control circuit design

... is given based on motor control knowledge, as this enhances motor learning and positively influences moti-vation, self-efficacy and compliance [97-100] Feedback on correct motor performance enhances ... setting that is guided to be realistic. m self-control on delivery time of exercise instructions and by feedback that is guided to support motor learning. m control in training protocol: exercise, exercise ... Sensorimotor integration has been proven to be an important condition for motor learning [69] Functional neuroimaging studies suggest that increased activity in the ipsilesional sensori-motor

Ngày tải lên: 19/06/2014, 08:20

... used to control themotor, the motor is said to be armature-controlled In this case, the field is produced by an electro-magnet supplied with a constant voltage or by a permanent magnet This motor ... (28.7)The transfer function for the armature-controlled dc motor is V(s) LIs2 + (RI + cL)s + cR + KeKT ^ ' )Another motor configuration is the field-controlled dc motor In this case, the armature current ... However, it is difficult to design ac amplifier circuitry to do other than proportional action For this reason, the ac motor is not found in control systems as often as dc motors The transfer function

Ngày tải lên: 17/12/2013, 14:15

... solve a problem that the circuit senses If that happens, the remedy can make things worse This motor control circuit is a classic feedback network called a “PID” circuit: the circuit response ultimately ... is control the position of a DC motor’s shaft, by letting it drive a potentiometer and feeding back the pot’s voltage Here’s the scheme: V+ vt MOTOR Pot RS Figure 1: Basic Motor-Position Control ... Op Amp Applications: PID Motor Control 8 motor and pot shaft; if this shaft were controlling, say, the rudder of an airplane, this effect would be pretty unsettling The circuit works—but it would

Ngày tải lên: 25/12/2013, 05:17

... circuits 2 Microwave circuits I Title: ‘The RF and microwave circuit design cookbook — (Artech House microwave library) 1 Microwave circuits—Design and construction 2 Radio circuits —Design and construction ... Trang 1The RF and Microwave Circuit Design Cookbook ID 0697 Trang 2The RF and Microwave Circuit Design Cookbook Trang 3The RF and Microwave Circuit Trang 4Library of Congress Cataloging-in-Publication ... properties of the circuit; “Description,” the circuit i itself, “Design,” the design procedure, as specific and “cookbook-like” as possible; | “Variations,” other useful modifications of the circuit;

Ngày tải lên: 09/01/2014, 02:00

... AND ~ P A M P S 7.7 Problems 33 1 Trang 5xii Contents AND TRANSLINEAR CIRCUITS Performance of Sample-and-Hold Circuits 334 Circuits for Bandgap References 357 Translinear Gain Cell 364 Translinear ... SWITCHED-CAPACITOR CIRCUITS Basic Building Blocks 394 Basic Operation and Analysis 398 First-Order Filters 409 Biquad Filters 41 5 Switched-Capacitor Gain Circuits 427 Other Switched-Capacitor Circuits ... Although it is possible to do simple integrated-circuit design with a basic knowledge of semiconductor device modelling, for high-speed state-of-the-art design, an in- depth understanding of the second-order

Ngày tải lên: 26/01/2014, 01:20

... compares a few designs forthe case where Nu°2nnsFD, in which the original design pon iet lo the Fight of the minimum, Point A marks the original design, Point B marks a better design which ... wafer-scale device and circuit fabrication techniques, as well as techniques t0 tune device characteristics and their coresponding analyses, and (4) ACCNT, a VLSleompasible circuit design solution to ... Trang 19(C marks the minimum-area design point and designs to the let of Point C sue Pareto optimal in the context of constant, optimization sa Figure $$ N* and Nn Design Guidelines (DG2) and (DG3)

Ngày tải lên: 23/02/2014, 02:20

... circuits 2 Microwave circuits I Title: ‘The RF and microwave circuit design cookbook — (Artech House microwave library) 1 Microwave circuits—Design and construction 2 Radio circuits —Design and construction ... Trang 1The RF and Microwave Circuit Design Cookbook ID 0697 Trang 2The RF and Microwave Circuit Design Cookbook Trang 3The RF and Microwave Circuit Trang 4Library of Congress Cataloging-in-Publication ... properties of the circuit; “Description,” the circuit i itself, “Design,” the design procedure, as specific and “cookbook-like” as possible; | “Variations,” other useful modifications of the circuit;

Ngày tải lên: 23/02/2014, 22:20

... Examples  Combinational Circuit  Sequential Circuit 3 A – Overview Primitive Gates, Switches, User-defined primitives 4 Verilog model for hardware design 5 Verilog design Gate/Switch ... a hardware design. Choose an appropriate model to design Combinational or Sequential Circuit.  Some books do not classify Dataflow modeling as a separate modeling type. RTL Design - Procedural ... tranif1 R rtranif1 R inout2 control inout1 rtranif0 R tranif1, rtranif1 inout1 tranif0 R inout2 20 Switches  Ref “Verilog digital system design , Zainalabedin Navabi for design examples at switch

Ngày tải lên: 07/03/2014, 14:20

... For complex design: number of gates is very large -> need a more effective way to describe circuit © Dataflow model: Level of abstraction is higher than gate- level, describe the design using ... describe the design using expressions instead of primitive gates ® Circuit is designed in terms of dataflow between register, how a design processes data rather than instantiation of individual gates ... UNIVERSITY OF HO CHI MINH CITY UNIVERSITY OF INFORMATION TECHNOLOGY FACULTY OF COMPUTER ENGINEERING CIRCUIT DESIGN WITH HDL CHAPTER 5: DATAFLOW MODELING Lecturer: Ho Ngoc Diem Trang 2 Chapter 1: Introduction

Ngày tải lên: 16/03/2014, 15:20

... offset control until the motor starts to move You may also need to adjust the PWM control slightly above minimum • After the motor starts, you can increase the PWM control to increase the motor ... consists of one motor terminal driven high, one motor terminal driven low, and one motor ter-minal left floating A simplified drive circuit is shown in Figure 3 Individual drive controls for the ... with our motor, letsconsider what happens when a voltage is applied to a DC motor A greatly simplified electrical model of a DC motor is shown in Figure 5 FIGURE 5: DC MOTOR EQUIVALENT CIRCUIT

Ngày tải lên: 30/03/2014, 07:20

... Air-Core Inductor Design Every rf circuit designer needs to know how to design inductors It may be tedious at times, but it's well worth the effort The formula that is generally used to design single-layer ... RF circuit design / by Chris Bowick Originally published: Indianapolis : H.W Sams, 1982 Includes bibliographical references and index ISBN 0-7506-9946-9 (pbk : alk paper) 1 Radio circuits Design ... oriented If you are an individual who has little rf circuit design experience, you can use this book as a catalog of circuits, using component values designed for your application On the other hand,

Ngày tải lên: 18/04/2014, 12:34

... Trang 1DC MOTOR CONTROL SYSTEMS s FOR ROBOT APPLICATIONS By: Rick Bickle 11/7/2003 Trang 2 | Motor control questions =» Why do we need speed control’? =» How is DC motor speed controlled? ... is DC motor speed controlled? =» How is motor direction controlled? =m What circuits can be used’? Trang 3"ì Heasons for accurate soeed control =» Motor speed should be independent of load ... Trang 94 Control systems =» What is a control system’? =» What are some examples? =» What are the types of control systems? =» How are control systems represented ? Trang 10+ Open loop control

Ngày tải lên: 22/05/2014, 18:05

... and supply circuits Bi-directional brush DC motor drive Trang 9Control supply AC switch M Microcontroller Direct-reverse speed induction motor drive AC switch M Control supply Microcontroller ... Features Motor power Speed range AC universal motor drive The motor is connected to the mains through an AC switch The AC voltage varies across the motor in phase control mode by means of a microcontroller ... and power circuits for driving the motor Power circuit feeding motor including level shifters and protection circuits Linear switch mode electronic components (MOSFETs, BJTs, IGBTs) Motor Sensor

Ngày tải lên: 22/05/2014, 18:21

... speech motor control in children with mild spastic CP It is important to conduct speech motor control ana-lysis in children with CP for several reasons First, quan-titative measures of motor control ... of speech motor control problems in children with mild CP Trang 9The current research offer valuable kinematic datathat support neural-motor models proposed to account for speech motor control ... that speech motor control is impaired in children with mild spastic CP because these children have greater oromotor variability than TD children We predict that CP children’s oromotor variability

Ngày tải lên: 19/06/2014, 08:20

... modifications in motor control strategies are not easy to be detected throughout a simple observation of motor behavior because aging does not affect a specific part or function of motor control sys-tem ... internal model which is included in the normal unperturbed motor commands to achieve good performance The efficiency of this motor control mechanism can be compromised by pathological disorders ... their associated motor neurons; reduced efficiency of the sensory system, which limits the performance during complex motor tasks [9]; disturbances in temporal organ-ization of motor synergies

Ngày tải lên: 19/06/2014, 08:20

... with a HMI, the neural motor controller The neural controller of the upper limb model The trajectory parameters extracted by the NS algorithm are used to drive a neural controller which activates ... the basis of the recent advances in neuroscience methods, which led to deeper understanding of motor control and learning mecha-nisms, also on the basis of the recent discoveries regarding cells ... system is a biologically inspired controller of the stimulation waveforms for the arm Even though some pioneering work has been found in literature [34], a neural FES controller has not yet been deeply

Ngày tải lên: 19/06/2014, 10:20

... the A - circuit is constructed, y22F is connected in parallel with R E, so the resistance at the output of the A - circuit is still 901 Ω The value of y11F is unchanged, so overall the A - circuit ... Trang 1Microelectronic Circuit DesignThird Edition - Part III Solutions to Exercises CHAPTER 10 Page 509 I o I i = 1.58

Ngày tải lên: 29/06/2014, 01:20

... cascade closed-loop speed control of the dc motor is shown below. DC MOTOR MODEL Trang 2CASCADE SPEED CONTROL OF A DC MOTOR DRIVETypical dynamic responses are also shown The motor is initially at ... Tr = 30 N.m Trang 6DC Motor With Bipolar PWM ExcitationDC Motor Model Simulation Results Trang 7Voltage Average Applied To MotorMOTOR SPEED (rad/s) Motor Current (A) 3 DC Motor with unipolar PWM ... of a DC motor with PWM (unipolar) excitation (5hp 240V 1200 rpm) rated torque Tr = 30 N.m DC Motor Model Simulation Results Trang 9Voltage Average Applied To MotorMotor Speed (Rad/S) Motor Current

Ngày tải lên: 09/07/2014, 20:20

... internal circuitry of the gate settles to the new output state Trang 15Circuit Timing (2)inputs do not arrive simultaneously combinational logic circuit that is 100% glitch free It can be design ... and synthesis of the design Trang 11Block Diagramsmodules Trang 12Gate SymbolsTrang 13Active high and Active lowTrang 14Circuit Timing In Comedy  In Investing  In digital design the gate will ... Digital Circuit Design Department of Electrical and Computer Engineering The Ohio State University Trang 2TodayTrang 3Course Philosophy and Objectivepractice as well as principles designing

Ngày tải lên: 11/07/2014, 03:20

... DeGroat, ECE, OSU 3 Digital Circuit Types outputs depend only on its current inputs.  A more descriptive term might be feedforward combinational logic circuits These are circuits in which there ... 19/25/089/25/08 – ECE 561 Lect 2 ECE 561 - Lecture 2Copyright 2008 - Joanne DeGroat, ECE, OSU 1 Sequential Design Basics Trang 29/25/089/25/08 – ECE 561 Lect 2 ECE 561 - Lecture 2Copyright 2008 - Joanne ... ECE 561 Lect 2 ECE 561 - Lecture 2Copyright 2008 - Joanne DeGroat, ECE, OSU 7 The D Latch CMOS design. Trang 89/25/089/25/08 – ECE 561 Lect 2 ECE 561 - Lecture 2Copyright 2008 - Joanne DeGroat,

Ngày tải lên: 11/07/2014, 03:20