modeling and hierarchical tracking control of triwheeled mobile robots
Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor
Ngày tải lên :
03/01/2014, 19:45
... shapes require very
fast controllers in particular at high speed. Classical
bandwidth of the controller (such as proportional–
integral) does not allow tracking all of the reference
current ... measured stator voltages
α
s
V
and
β
s
V
and currents
α
s
i
and
β
s
i
, then by using (1) and (4) q-
and d-axis flux linkage are drived. Also, by usig (4) q-
and d-axis current are calculated. ...
torque control of brushless DC motor based on back-EMF vector’ ,
ELECTROMOTION. pp. 128-138, 2009.
[7] S. B. Ozturk and H. A. Toliyat, “Sensorless Direct Torque and
Indirect Flux Control of Brushless...
- 5
- 617
- 2
Direct torque and indirect flux control of brushless DC motor
Ngày tải lên :
03/01/2014, 19:46
... well.
A
PPENDIX
I
S
PECIFICATIONS AND
P
ARAMETERS OF THE
BLDC M
OTOR
A
PPENDIX
II
OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR 357
Fig. 7. Steady state and transient behavior of the ... the world, and has ten issued and pend-
ing U.S. patents. He is the author of the book DSP-Based Electromechanical
Motion Control (CRC Press, 2003), and the Co-Editor of Handbook of Electric
Motors—2nd ... to inertia ratio, and
simplicity in their control [1]–[3].
In many applications, obtaining a low-frequency ripple-free
torque and instantaneous torque and even flux control are of
primary concern...
- 10
- 627
- 0
Báo cáo khoa học: Determining and understanding the control of glycolysis in fast-growth tumor cells Flux control by an over-expressed but strongly product-inhibited hexokinase pdf
Ngày tải lên :
30/03/2014, 11:20
... 2-de-
oxyglucose and arsenite gave e
C
FBP
and e
P
FBP
of 1.99 ± 0.79 and )1.5 ± 1.6, which yielded the C
J
c
and C
J
P
of 0.39 ± 0.24 and 0.61 ± 0.24,
respectively. The number of experiments is ... proliferation and metabolism
of breast cancer cell lines with high and low glycolytic
rates. J Biol Chem 272, 4941–4952.
43 Shuster S, Kahn D & Westerhoff HV (1993) Modular
analysis of control of complex ... Bravo C & Westerhoff HV (1999)
Determining and understanding the control of flux. An
illustration in submitochondrial particles of how to vali-
date schemes or metabolic control. Eur J Biochem...
- 14
- 510
- 0
cirstea, m. n. (2002). neural and fuzzy logic control of drives and power systemsl
Ngày tải lên :
18/04/2014, 12:29
... machines and drives, power systems and VHDL and
forms a basic guide for the understanding of the fundamental principles of modern
power electronic control systems design. To be expert in the design of ... operation. The group
of vector control algorithms includes the direct torque control (DTC) method and the
class of field-oriented control strategies. The theory of field-oriented control was developed
... current and
speed control of induction motor drives, whereas the second presents the environmentally
friendly fuzzy logic control of a diesel-driven stand-alone synchronous generator set.
Both control...
- 408
- 628
- 0
Báo cáo hóa học: " Research Article Video Enhancement and Dynamic Range Control of HDR Sequences for Automotive Applications" doc
Ngày tải lên :
22/06/2014, 19:20
... L
G
(t )and
L
G
(t−1) are the g l obal illuminations of the current and of the
previous frames, respectively. Although they are functions of
(x, y) and not only of (t), we omit it in the notation of ... hardware
implementation, with the aim of using less memory and of
speeding up the computation, we use a subsampled version
of the frame, following the idea of Artusi et al. [19]andDu-
rand and Dorsey [9].
3. THE ... among H
h
, H
v
,andH
p
according to
the values of S
v
(x, y)andS
h
(x, y), and ⊗ denotes convolu-
tion. The mask sizes of the filters H
h
, H
v
,andH
p
are 1 ì N
1
,
N
1
ì 1, and N
1
ì N
1
,respectively.
The...
- 9
- 344
- 0
MODELING AND CONTROL ASPECTS OF WIND POWER SYSTEMS doc
Ngày tải lên :
07/03/2014, 11:20
... combining the control information
and the parity bits:
q
c
=
[
q
b
Ψ
]
(22)
Modeling and Control Aspects of Wind Power Systems26
simulator consists of multiple RACKs, each of which consist of both ... number
of blades, blade angle control, and regardless of the type of electrical generator chosen or
the type of control of converters. Accordingly, this allows it to be studied regardless of the
types ... 10. Control block diagram of VSC based STATCOM.
With suitable adjustment of the magnitude and phase of the VSC output voltage, an efficient
control of power exchange between the STATCOM and the...
- 212
- 4.3K
- 1
MODELING AND CONTROL OF NONHOLONOMIC MECHANICAL SYSTEMS doc
Ngày tải lên :
01/04/2014, 00:20
... disk and the vertical axis.
7.1. INTRODUCTION 279
Chapter 7
MODELING AND CONTROL OF
NONHOLONOMIC MECHANICAL SYSTEMS
Alessandro De Luca and Giuseppe Oriolo
Dipartimento di Informatica e Sistemistica
Universit`a ... mechanism
can be completely controlled with a reduced number of actuators. On the other hand,
both planning and control are much more difficult than in conventional holonomic sys-
tems, and require special ... classification of nonholonomic systems. Several kinematic
models of nonholonomic systems are presented, including examples of wheeled mobile
robots, free-floating space structures and redundant...
- 66
- 457
- 0
Introduction to Modeling and Control of Internal Combustion Engine Systems P1 potx
Ngày tải lên :
04/07/2014, 00:20
... range
of operation
-15 -10 -5 0 5
-15 -10 -5 0 5
p
cr
start of injection [deg CA]
start of injection [deg CA]
Fig. 1.11. Influence of start of injection on bsfc and on the emission of PM and
NO
x
, ... paper
987654321
springer.com
Introduction to Modeling and Control of Internal
Combustion Engine Systems
1.3 Overview of SI Engine Control Problems 9
Fig. 1.6. Conversion efficiency of a TWC (after light-off, stationary ... the design of classical and novel
IC engine control systems. Its focus lies on the control- oriented mathematical
description of the physical processes involved and on the model-based control
system...
- 30
- 418
- 0
Introduction to Modeling and Control of Internal Combustion Engine Systems P2 ppsx
Ngày tải lên :
04/07/2014, 00:20
... Inputs, states, and outputs of a receiver.
The inputs and outputs are the mass and energy flows,
8
the reservoirs
store mass and therma l energy,
9
and the level variables are the pressure and
temper ... (Π
tr
− 1)
2
(2.18)
is used (Ψ
tr
is the value of Ψ(.) and Ψ
′
tr
the value of the derivative of Ψ(.)
at the threshold Π
tr
). The special form of (2.17) and (2.18) guarantees a
symmetric behavior ... oriented aspects of fuel properties,
combustion, and thermodynamic cycle calculation
2.2 Cause and Effect Diagrams 29
Fig. 2.6. Cause and effect diagram of a Diesel engine (EGR and intercooler...
- 20
- 350
- 0
Báo cáo y học: "Thioglycosides as inhibitors of hSGLT1 and hSGLT2: Potential therapeutic agents for the control of hyperglycemia in diabetes"
Ngày tải lên :
26/10/2012, 10:04
...
S-analogs of natural O-glucosides involved in the bio-
synthesis of chrysomelidial and salicin. These sub-
stances are synthesized and secreted as part of a de-
fense mechanism used by larvae of beetles ... notion of us-
ing SGLT inhibitors as a means to control circulating
levels of glucose. The selective inhibition of hSGLT2
by thioglycoside I, which is responsible for most of the
reabsorption of ... therapies and emerging
targets for the treatment of diabetes. Current Pharmaceutical
Design. 2001; 7: 417-450.
9. Wood IS, and Trayhurn P. Glucose transporters (GLUT and
SGLT): expanded families of...
- 9
- 650
- 0
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- xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct
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