SimElectronics
®
Release Notes
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®
SimElectronics
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Release Notes
Summary by Version ............................... 1
Contents
Version 1.4 (R2010a) SimElectronics Software
Version 1.3 (R2009b) SimElectronics Software
Version 1.2 (R2009a) SimElectronics Software
Version 1.1 (R2008b) SimElectronics Software
Version 1.0 (R2008a+) SimElectronics Software
Compatibility S ummary for SimElectronics
Software
........................................ 17
........ 3
........ 7
........ 9
........ 13
....... 15
iii
iv Contents
SummarybyVersion
This table provides quick access to what’s new in each version. For
clarification, see “Using Release Notes” on page 1 .
SimElectronics®Release Notes
Version
(Release)
Latest Versi
V1.4 (R2010a
V1.3 (R2009b)
V1.2 (R2
V1.1 (R2008b)
V1.0 (R2008a+)
on
009a)
New Features
and Changes
Yes
)
Details
Yes
Details
Yes
Details
Yes
Details
Yes
Detai
Version
Compatibilit
Consideratio
Yes
Summary
Yes
Summary
No Bug Reports No
No Bug Reports No
Not applicable
ls
y
ns
Fixed Bugs
and Known
Problems
Bug Reports
Bug Repor
Bug Re
ts
ports
Related
Documentation
at Web Site
Printable R elease
Notes: PDF
Current product
documentation
No
No
Using Release Notes
Use release notes when upgrading to a newer version to learn about:
• New features
• Changes
1
SimElectronics®Release Notes
• Potential impact on your existing files and practices
Review the release notes for other MathWorks™ products required for this
product (for example, MATLAB
®
or Simulink®). Determine if enhancements,
bugs, or compatibility considerations in other products impact you.
If you are upgrading from a software version other than the m ost recent one,
review the current release notes and all interim versions. For example, when
you upg rade from V1.0 to V1.2, review the release notes for V1.1 and V1.2.
What Is in the Release Notes
New Features and Changes
• New functionality
• Changes to existing functionality
Version Compatibility Con si derations
When a new feature or change introduces a reported incompatibility between
versions, the Compatibility Considerations subsection explains the
impact.
Compatibility issues reported after the product release appear under Bug
Reports at The MathWorks™ Web site. Bug fixes can sometimes result
in incompatibilities, so review the fixed bugs in Bug Reports for any
compatibility impact.
Fixed Bugs and Known Problems
The MathWorks offers a user-searchable Bug Reports database so you can
view Bug Reports. The development team updates this database at release
time and as more information becomes available. Bug Reports include
provisions for any known workarounds or file replacem ents. Information is
available for bugs existing in or fixed in Release 14SP2 or later. Information
is not avail able for all bugs in earlier releases.
Access Bug Reports using y our MathWorks Account.
2
Version 1.4 (R2010a) SimElectronics®Software
Version 1.4 (R2010a) SimElectronics Software
New Features
and Changes
Yes
Details below
New features and changes introduced in this version are:
• “New Linear and Rotary Motors Defined in Terms of Flux ” on page 3
• “New Potentiometer Block” on page 4
• “Initial Conditions Tab Added for Logic Blocks” on page 4
• “Changes in Block Parameterization” on page 4
• “New Demos” on page 5
• “Functions and Function Elements Being Removed ” on page 6
Version
Compatibility
Considerations
Yes—Details
labeled as
Compatibility
Considerations,
below. S e e als o
Summary
Fixed Bugs
and Known
Problems
Bug Reports
Related
Documentation
at Web Site
Printable
Release Notes:
PDF
Current product
documentation
New Linear and Rotary Motors Defined in Terms of
Flux
Two new blocks represent models of a motor or actuator defined in terms
of magnetic flux:
• FEM-Parameterized Linear Actuator block, located in the Translational
Actuators library
• FEM-Parameterized Rotary Actuator block, located in the Rotational
Actuators library
3
SimElectronics®Release Notes
New Potentiomet
The new Potentio
represents a pot
input physical
Initial Condi
The dialog box
Initial Cond
See the respe
Changes in B
The ability
data from a
netlist2s
Blocks” in
paramete
• “Changes
• “Change
• “Compat
l
the SimElectronics User’s Guide for alternative ways of block
rization. Additional related changes introduced in this version are:
stotheSolarCellBlock”onpage5
meter block, located in the Passive Devices library,
entiometer, where the wiper position is controlled by the
signal.
tions Tab Added for Logic Blocks
es of blocks in the Logic library now have an additional tab,
itions, which lets you specify the output initial state (low or high).
ctive block reference pages for details.
lock Parameterization
to parameterize SimElectronics
SPICE netlist is no longer supported. As a result, using the
function is no longer recommended. See “Parameterizing
to the SPICE-Compatible Blocks” on page 4
ibility Considerations” on page 5
er Block
®
blocks by importing circuit
Changes to the SPICE-Compatible Blocks
The SPI
librar
the SP
Addit
block
Volt
subl
libr
Som
“SP
CE-compatible blo cks have been moved to the Additional Components
y. They are organized in su bl ib raries according to function, for example,
ICE-Compatible Sources library is now the Sources sublibrary of the
ional Compone nts /SPICE-Compatible Components library. The Resistor
, renamed SPICE Resistor, and the Current-Controlled Switch and
age-Controlled Switch blocks have been moved to the Passive Devices
ibrary of the Additional Components/SPIC E-Compatible Components
ary.
e of the blocks have been renamed so that their names start with the
ICE” prefix. The following table lists the old and new block names.
4
Version 1.4 (R2010a) SimElectronics®Software
Old Name
Diode (SPICE) SPICE Diode
NJFET
NMOS SPICE NMOS
NPN
PJFET
PMOS SPICE PMOS
PNP
Resistor
There are no compatibility considerations as a result of renaming the
SPICE-compatible blocks and moving them to the Additional Components
library. Your existing models will be updated aut omatically when you open
and save them in the new version.
New Name
SPICE NJFET
SPICE NPN
SPICE PJFET
SPICE PNP
SPICE Resistor
Changes to the Solar Cell Block
In previous versions, the Solar Cell block had the option of using the SPICE
Environment Parameters block to s e t temperature. This is removed in
R2010a to eliminate dependency on the SPICE sublibrary. Also, the Solar
Cell mo del now uses the regular Diode block (exponential diode) rather than
theSPICEDiodeblock.
Compatibility Considerations
There is an insignificant change in results, of the order of 1e-12, in the Solar
Cell block because of the diode replacement.
New Demos
Demos introduced in this version are:
• Finite Element Parameterized Solenoid
• Circuit Level Switched Capacitor ADC
• Switching Audio Power Amplifier
5
SimElectronics®Release Notes
• Bridge Configuration Switching Audio Power Amplifier
• Differential Pair Amplifier
• Low-Noise Bipolar Transistor Voltage Amplifier
• Triangle Wave Generator
• LC Transistor Oscillator
• Voltage-Controlled Oscillator with PI Control
• Voltage Regulator
• Band-Pass Filter Using Three Mutually-Coupled Inductors
• Class-E RF Amplifier
• Diode Ring Demodulator
• LC Transmission Line and Test Bridge
Functions and Function Elements Being Removed
Function or
Function
Element Name
netlist2sl
What Happens
When you use
the Function or
Element?
Issues a warning
that it is not
supported and
may be removed
in future releases
Use This
Instead
See
“Parameterizing
Blocks” in the
SimElectronics
User’s Guide
for alternative
ways of block
parameterization
Compatibility
Considerations
See “Changes
in Block
Parameterization”
on page 4
6
Version 1.3 (R2009b) SimElectronics®Software
Version 1.3 (R2009b) SimElectronics Software
New Features
and Changes
Yes
Details below
New features and changes introduced in this version are organized by these
topics:
• “Actuators & Drivers Library Blocks” on page 7
• “New Abstracted Timer Block” on page 8
• “New Demos” on page 8
Version
Compatibility
Considerations
Yes—Details
labeled as
Compatibility
Considerations,
below. S e e als o
Summary
Fixed Bugs
and Known
Problems
Bug Reports No
Related
Documentation
at Web Site
Actuators & Dr ivers Library Blocks
New features and changes introduced in this version are:
• “New Generic Rotary Actuator Block” on page 7
• “New Generic Linear Actuator Block” on page 7
• “Improved Servomotor Block” on page 8
• “Compatibility Considerations” on page 8
New Generic Rotary Actuator Block
The Ge neric Rotary Actuator block models the torque-speed characteristics of
a generalized rotary actuator.
New Generic Linear Actuator Block
The Generic Linear Actuator block models the force-speed characteristics of a
generalized linear a ctuator.
7
SimElectronics®Release Notes
Improved Servomotor Block
The Servomotor block now allows for the specification of additional
parameters from within the Block Parameters dialog box.
Compatibility Considerations
During simulation, the updated Servomotor block is backwards-compatible
with models defined in earlier versions of the software. However, the model
generates a warning in this version because the block dialog box supports
additional unit options for torque and speed data. To remove the warnings,
open the block dialog box and select appropriate units for the torque and
speed data.
New Abstracted Timer Block
The new Timer block, located in the Integrated Circuits library, is an
abstracted behavioral model of a timer integrated circuit, such as the NE555.
New Demos
Demos introduced in this version are:
• Brushless DC Motor
• ARINC 429 Communications Link
• PNP Bipolar Transistor Characteristics
8
Version 1.2 (R2009a) SimElectronics®Software
Version 1.2 (R2009a) SimElectronics Software
This table summarizes what’s new in V1.2 (R2009a):
New Features and
Changes
Yes
Details below
Version
Compatibility
Considerations
No Bug Reports No
New features and changes introduced in this version are organized by these
topics:
• “Actuators & Drivers Library” on page 9
• “Passive Devices Library” on page 10
• “Sources Library” on page 11
• “SPICE-Compatible Semiconductors Library” on page 11
Fixed Bugs an d
Known Problems
Related
Documentation at
Web Site
Actuators & Drivers Library
New features and changes introduced in this version are:
• “New Piezo Motor Blocks” on page 9
• “Enhanced H-Bridge Block” on page 10
New Piezo Motor Blocks
The Actuators & Drivers library now contains blocks for modeling p iezoelectric
travelling w ave motors. The library contains these new blocks:
• The Piezo Rotary Motor models the torque-speed characteristics of a rotary
piezoelectric motor.
• The Piezo Linear Motor models the force-speed characteristics of a linear
piezoelectric motor.
9
SimElectronics®Release Notes
Enhanced H-Bridge Block
The H-Bridge b lock now provides the option to dissipate current via two
freewheeling diodes w hen the signal at the PWM port is low. To use this
new option, select
mode
Passive Devices Librar y
New features and changes introduced in this version are:
• “New Switch Blocks” on page 10
• “New Resistor Block” on page 10
• “New Crystal Block” on page 10
• “Enhanced Variable Inductor and Variable Capacitor Blocks” on page 10
New Switch Blocks
The Passive Devices library now contains Current-Controlled Switch and
Voltage-Controlled Switch blocks to model electrical switches with hysteresis.
Via two freewheeling diodes for the Freewheeling
parameter.
10
New Resistor Block
The Passive Devices library now contains a Resistor block to model a resistor
as a function of temperature and process data.
New Crystal Block
The Passive Devices library now contains a Crystal block to model the
electrical characteristics of a crystal resonator.
Enhanced Variable Inductor and Variable Capacitor Blocks
The Variable Inductor and Variable Capacitor blocks have the following
enhancements:
• The Variable Inductor block now provides two options for the relationship
between the voltage across the device and the current through the inductor.
The new Equation parameter lets you select the voltag e-curre nt equation
that you want.
Version 1.2 (R2009a) SimElectronics®Software
• The Variable Capacitor block now provides two options f or the relationship
between the current through the device and the voltage across the
capacitor. The new Equation parameter lets y ou select the current-voltage
equation that you want.
Sources Library
New features and changes introduced in this version are:
• “Enhanced Solar Cell Block” on page 11
• “New Two-Input Dependent Source Blocks” on page 11
Enhanced Solar Cell Block
The Solar Cell block has the following enhancements:
• The block now provides the option to use an 8-parameter model that
includes an additional diode and a parallel resistor.
• The block now models temperature dependence.
New Two-Input Dependent Source Blocks
The SPICE-Compatible Sources library (in the Sources library) contains
blocks for modeling dependent sources with two controlling inputs. The
library contains these new blocks:
• PCCCS2 — Model polynomial current-controlled current source with two
controlling inputs
• PCCVS2 — Model polynomial current-controlled voltage source with two
controlling inputs
• PVCCS2 — Model polynomial voltage-controlled current source with two
controlling inputs
• PVCVS2 — Model polynomial voltage-controlled voltage source with two
controlling inputs
SPICE-Compatible Semiconductors Library
New features and changes introduced in this version are:
11
SimElectronics®Release Notes
Enhanced NMOS and PMOS Blocks
The NMOS and PMOS blocks now provide the option to model the electrical
characteristics of SPICE Level-3 MOSFET devices.
12
Version 1.1 (R2008b) SimElectronics®Software
Version 1.1 (R2008b) SimElectronics Software
This table summarizes what’s new in V1.1 (R2008b):
New Features and
Changes
Yes
Details below
Version
Compatibility
Considerations
No Bug Reports No
New features and changes introduced in this version are:
• “New CMOS Logic Gate Blocks” on page 13
• “New Piezo Stack Block” on page 14
• “New Relay Block” on page 14
• “New Fuse Block” on page 14
• “New NMOS and PMOS Blocks” on page 14
Fixed Bugs an d
Known Problems
Related
Documentation at
Web Site
New CMOS Logic Gate Blocks
The Logic library (in the Integrated Circuits library) contains blocks for
modeling CMOS logic gates behaviorally. The library contains these new
blocks:
• CMOS AND
• CMOS Buffer
• CMOS NAND
• CMOS NOR
• CMOS NOT
• CMOS OR
• CMOS XOR
13
SimElectronics®Release Notes
New Piezo Stack B
The Actuators & D
the electrical a
New Relay Bloc
The Passive De
and delay char
New Fuse Bloc
The Passive
fuse charac
• Resistanc
• Rated curr
amount of t
teristics:
e.
New NMOS a
The SPIC
Devices
charact
E-Compatible Semiconductors library (in the Semiconductor
library) now contains NMOS and PMOS blocks to model the electrical
eristics of SPICE Level-1 MOSFET devices.
rivers library now contains a Piezo Stack block to model
nd force characteristics of a piezoelectric stacked actuator.
k
vices library now contains a Relay block to model the resistive
acteristics of a relay controlled by an external physical signal.
k
Devices library now contains a Fuse block to model the following
ent at which the fuse blows when exceeded for a specified
ime.
nd PMOS Blocks
lock
14
Version 1.0 (R2008a+) SimElectronics®Software
Version 1.0 (R2008a+) SimElectronics Software
This table summarizes what’s new in V1.0 (R2008a+):
New Features and
Changes
Yes
Details below
Version
Compatibility
Considerations
Not applicable
Fixed Bugs an d
Known Problems
Bug Reports No
Related
Documentation at
Web Site
Product Introduction
SimElectronics software is a modeling environment for the engineering
design and simulation of electronic and electromechanical systems within
the Simulink environment.
Version 1.0 includes these features:
• A library of electronic and electromechanical blocks that model components
such as:
- Sensors
- Semiconductors
- Actuators
For these blocks, you enter key parameter values directly from industry
datasheets.
For more information about the available blocks, see “SimElectronics
Block Libraries”.
• A function,
data in a SPICE netlist.
• Ability to convert SimElectronics models to C code.
For more information about code generation, see “Generating Code” in the
Simscape™ documentation.
• Access to linearization and steady-state solve capabilities in Simscape.
netlist2sl, for creating library blocks that represent circuit
15
SimElectronics®Release Notes
For more information about linearization, see “Linearizing at an Operating
Point” in the Simscape documentation.
For more information about how Simscape solves models, see “How
Simscape Simulation Works” in the Simscape documentation.
16
Compatibility Summary for SimElectronics®Software
Compatibility Summar y for SimElectronics Software
This table summarizes new features and changes that might cause
incompatibilities when you upgrade from an earlier version, or wh en you
use files on multiple versions. Details are provided in the description of the
new feature or change.
Version (Release) New Features and Changes with
Version Compatib ility Impact
Latest Version
V1.4 (R2010a)
V1.3 (R2009b) See the Compatibility
V1.2 (R2009a)
V1.1 (R2008b)
V1.0 (R2008a+)
See the Compatibil ity
Considerations subheading
for this new feature or change:
• “Changes in Block
Parameterization” on page
4
Considerations subheading
for this new feature or change:
• “Actuators & Drivers L ibrary
Blocks” on page 7
None
None
None
17
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