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# Torsten Knodt

### A123 Systems GmbH

22 total contributions since 2012

Professional Interests: Rapid Prototyping, Ground Vehicle Physical Simulation, Virtual Integration, Model Based Development, AutoSAR, Symbolic Solutions to Differential Equations, Static and Dynamic Parameter Estimation

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Question

How to continuously repeat the output of the "From Spreadsheet" source block?
Hi, How can I continuously repeat the output of the "From Spreadsheet" source block? The extrapolation at the end does not pro...

2 months ago | 1 answer | 0

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answer

Question

How can I draw a mesh into a block mask/ icon?
Hello, I have a masked Simulink block. Now I want to draw a mesh into the icon. Unfortunately the mesh is drawn into an own w...

3 years ago | 1 answer | 0

### 1

answer

Solved

Compute the step response of a DC motor
Compute the step response of a DC motor shown below <<http://blogs.mathworks.com/images/seth/cody/dc-motor.png>> The param...

3 years ago

Solved

Counting pulses in a signal
Count the number of pulses that are the result of summing each pulse generator block. Pulse Generator blocks produce a recurr...

3 years ago

Solved

Make a low pass filter
Make a first order low pass filter that will filter out the high frequency oscillations for the given input signal. The cut-off ...

3 years ago

Answered
Automotive problem - Counting and saving
This depends on your interface to write to the EEPROM. Normally you would count in your RAM and trigger writing to the EEPROM in...

3 years ago | 0

Solved

Add offset to a signal
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

3 years ago

Solved

Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

3 years ago

Solved

Produce a cosine wave
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

3 years ago

Solved

Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

3 years ago

Solved

Add a block to a model
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

3 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

3 years ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

3 years ago

Answered
How can i change a value of a resistor during simulation using simpowersystems toolbox ( R L C branch )
I had the same requirement. I either use a voltage measurement together with a controlled current source or a current measureme...

3 years ago | 0

| accepted

Question

/usr/bin/ld: raccel_sfcn_utils.o: undefined reference to symbol 'dlclose@@GLIBC_2.2.5'
I get the following message when starting a simulation in rapid acceleration mode under Ubuntu Xenial 64 Bit which works under W...

3 years ago | 0 answers | 0

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answers

Question

What is the cause of the error message "FIMATH mismatch:Property 'ProductWordLength'" here?
I get the error message FIMATH mismatch:Property 'ProductWordLength': 16 ~= 32 from the following action code in a stat...

3 years ago | 0 answers | 0

### 0

answers

Answered
How to define the sampling time in a system of Simscape Power System Blocks without accuracy lost importants?
Hi Tony, it's hard to give an advice without knowing your model, simulation settings and the intent of your simulation. Becaus...

3 years ago | 0

| accepted

Question

OutOfMemoryError when building PDF System Design Description for "big" Simulink Model
Hello, I get an OutOfMemoryError when building a System Design Description in PDF and Word format. I already increased the heap...

4 years ago | 0 answers | 0

### 0

answers

Question

Initial output value for bus in enabled subsystem hierarchy
I have a hierarchy of subsystems where a middle subsystem is an enabled one. The hierarchical subsystems each have a single outp...

5 years ago | 1 answer | 0

### 1

answer

Question

Analyzing and creating fixed-point data types.
Hello, is there a single function to get the minimum and maximum value representable by a specific fixed-point data type? I am ...

7 years ago | 1 answer | 0

### 1

answer

Question

Simulink message "Attempt to use invalid data type id 17"
Hello, how can I find out which data type corresponds to a specific id when getting the message "Attempt to use invalid data ty...

7 years ago | 1 answer | 2

### 1

answer

Question

"Variable time delay" block in "For Each Subsystem"
Hello, I try to synthesize noise coming from multiple targets to multiple sensors. I have two cascaded for-each sub-systems, th...

8 years ago | 1 answer | 0

answer