tài liệu autonomous systems
Tài liệu Control Systems Simulation using Matlab and Simulink pptx
Ngày tải lên :
12/12/2013, 07:15
... system
Figure 5: Step Response of second order system
6 “Hands-on” Design of Control Systems
“Hands on Design systems refers to directly working with the system to be controlled and trying
a variety ... of Mechanical Engineering
ME134 Automatic Control Systems
Spring 2002
Report Due: Tuesday, February 26 One report per group is required.
Control Systems Simulation
Using Matlab and Simulink
1 Introduction
In ... will be the steady state error of the system defined by
e = x
final
− x
ref
(6)
However, in dynamic systems where the transient behaviour is also important, it becomes
important to introduce several...
- 10
- 648
- 3
Tài liệu Embedded Systems Design ppt
Ngày tải lên :
13/12/2013, 11:15
... other issues.
Work Cited
1. Barr, Michael. “Architecting Embedded Systems for Add-on Software
Modules.” Embedded Systems Programming, September 1999, 49.
TEAMFLY
... applications. Consider the embedded
systems currently supporting your desktop PC: IDE disk drive, CD-ROM, scanner,
printer, and other devices are all embedded systems in their own right. How many ... introduction to embedded
systems. Later, there’ll be a lab course. Eventually this course will grow into a full
track, allowing students to earn a specialty in embedded systems. Much of this
book’s...
- 209
- 462
- 1
Tài liệu HVAC Systems Design Handbook part 15 pptx
Ngày tải lên :
15/12/2013, 03:15
... value of the final report will re-
late strongly to the clarity of this definition.
Source: HVAC Systems Design Handbook
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright ... are many binding methods available, ranging from three-ring
looseleaf styles to mechanical clip systems to standard bound-book
Technical Report Writing
Downloaded from Digital Engineering Library...
- 8
- 400
- 0
Tài liệu HVAC Systems Design Handbook part 16 pdf
Ngày tải lên :
15/12/2013, 03:15
... piping and duct systems.
It requires attention to differences in elevation for pumping of ‘‘open’’
systems and teaches us to recognize static-pressure concerns in both
closed and open systems.
Static ... Pumps, fans, coils, heat exchangers, refrigeration sys-
tems, process systems, boilers, deaerators, water softeners and treat-
ment systems, water supply and distribution, building plumbing and
fire ... Blood
and catsup are nonnewtonian fluids.
Density
: Mass per unit volume, lbm/ft
3
.
Source: HVAC Systems Design Handbook
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright...
- 6
- 498
- 0
Tài liệu HVAC Systems Design Handbook part 17 pptx
Ngày tải lên :
15/12/2013, 03:15
... cycle, the energy input becomes a benefit.
Q ϩ Q
evap in
COP ϭϭCOP ϩ 1
heat cool
Q
in
In heat pump systems, the system designer should again try to work
with the smallest possible thermal lift to ... aspect of physics which deals with the energy
characteristics of materials and with the behavior of systems under-
going changes in system energy levels. The field of thermodynamics
is quite broad ... at the top of a hill has potential
energy with respect to the bottom of the hill.
Source: HVAC Systems Design Handbook
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright...
- 6
- 399
- 0
Tài liệu HVAC Systems Design Handbook part 18 docx
Ngày tải lên :
15/12/2013, 03:15
... (ЊF)
scale is used, or for absolute temperatures the Rankine (ЊR) scale:
ЊR ϭ ЊF ϩ 460Њ.
Source: HVAC Systems Design Handbook
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright...
- 10
- 385
- 0
Tài liệu HVAC Systems Design Handbook part 19 doc
Ngày tải lên :
15/12/2013, 03:15
... water it can
hold at a specified temperature and pressure. The properties of moist
Source: HVAC Systems Design Handbook
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright...
- 16
- 384
- 0
Tài liệu HVAC Systems Design Handbook part 20 pdf
Ngày tải lên :
15/12/2013, 03:15
... permission from ASHRAE Hand-
book, 1987 HVAC Systems and Applications; subsequent edi-
tions are similar, i.e., 2001 Fundamentals, Chap. 7, Table 11.
of the HVAC systems, the HVAC designer is not generally ... Design Goals for
Air Conditioning Sound Control
NOTE
: These are for unoccupied spaces, with all systems
operating.
SOURCE
: Copyright 1987, American Society of Heating,
Refrigerating and Air Conditioning ... used for masking unwanted sound, is ran-
dom sound in the speech interference range.
Source: HVAC Systems Design Handbook
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)
Copyright...
- 16
- 429
- 0
Tài liệu HVAC Systems Design Handbook part 21 doc
Ngày tải lên :
15/12/2013, 03:15
... smoke detectors are essential in outdoor air or
mixed-air ducts.
It is necessary to control VAV systems to maintain minimum out-
door air quantities over the entire range of supply air flow rates. ... diffusers must be designed to provide good air
distribution patterns at all air flow rates.
Control systems will often require sensing of gaseous concentra-
tions, particularly carbon monoxide, carbon ... decrease outside air
quantities or to warn of failure of the filtering, smoke detection, or
irradiation systems.
21.5.1 Commissioning
All of our design efforts are of no value if the IAQ system is not...
- 4
- 309
- 0
Tài liệu Number Systems Decoded pdf
Ngày tải lên :
21/12/2013, 04:18
... of numbers.
Several systems of numbers are commonly used in computing circles. These are the decimal, binary, and hexa-
decimal number systems
.
These alternative number systems have three things ... data communications, and networking. His experi-
ence includes mainframe systems programmer, Fortune 500 DBA, management of systems programming, data
communications, IT operations, engineering, ... digits within a given number
Conversion between these systems is a common chore. You can do it manually by applying your knowledge of
these number systems. Or, you might prefer to use one of the tools,...
- 14
- 188
- 0
Tài liệu FINANCIAL SYSTEMS & ANALYSIS pdf
Ngày tải lên :
22/12/2013, 15:15
... outstanding reconciling items that
should be written back such as old, unpresented
cheques
FINANCIAL SYSTEMS & ANALYSIS
INVENTORY & CASH
Example of control test
•
Petty Cash
Test of petty ... away
5. Regular reconciliations reviewed by
person with suitable level of
authorities
Inventory systems
Process Risks Possible control procedure
Inventory arrives because it
has been purchased,...
- 12
- 515
- 2
Tài liệu FINANCIAL SYSTEMS & AUDIT pptx
Ngày tải lên :
22/12/2013, 15:15
... accounting systems ensures
correct posting to revenue, receivables and
sales tax accounts
3. Regular statements sent to customers
4. Centrally held prices and discounts
5. For manual systems
... sales – the use of tills, preferably with in-
built safeguards and linked to the main accounting
systems
7. Where there are large volumes of receipts by mail
and the above control is insufficient:
The ...
dangerous area, as the easiest way to hide
stolen money is to give customers credit
instead
FINANCIAL SYSTEMS & AUDIT
SALES CYCLE
Objectives of control
•
Sales are made to valid customers
•
Sales...
- 12
- 269
- 0
Tài liệu Financial Systems and Auditing Test of Control ppt
Ngày tải lên :
22/12/2013, 15:15
...
invoice
4. Any goods returned to supplier are
marked as return, to ensure GDN not
prepared
Financial Systems and Auditing
Test of Control
Purchase Cycle
...
- 11
- 538
- 0
Tài liệu FINANCIAL SYSTEMS AND AUDITING ppt
Ngày tải lên :
22/12/2013, 15:15
... records
Production system;
Budget information,
Personnel system;
Computer systems software;
Computer applications software
Sub- systems
[Hayes, Dassen, Schilder and Wallage, Principles of Auditing ... partially beyond their control
are partially beyond their control
•
Incentive systems do not guarantee
Incentive systems do not guarantee
that managers make the “right”
that managers make the ... Auditing An Introduction to ISAs, edition 2.1] © Pearson Education Limited 2007
Slide 7.1
FINANCIAL SYSTEMS AND AUDITING
Internal Control and Control Risk
MANAGEMENT CONTROL AND
CORPORATE GOVERNANCE
...
- 60
- 472
- 1
