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At this week's Control & Instrumentation 97 exhibition in Birmingham,
Adept Scientific is demonstrating VisSim/DSP, a new digital signal
processing (DSP) development system for the VisSim dynamic simulation and
control design system. VisSim/DSP allows VisSim models to be downloaded to a
DSP card for fast, accurate and reliable real-time sampling, making it an ideal
choice for high-speed control applications. The new software, which is being
demonstrated on Stand D9, supports the Innovative Integration PC32 DSP card,
also available from Adept Scientific.
VisSim/DSP
integrates DSP algorithm design and simulation with code generation to
dramatically speed up embedded systems and DSP product development. Over 50
signal processing and vector maths blocks are included, so that even the most
sophisticated algorithms can be realised quickly and easily, literally at the
click of a mouse button!
An Intuitive Modelling Environment
VisSim/DSP makes full use of VisSim's fully interactive block diagram
environment for embedded system and DSP design and analysis and
implementation, with over 50 signal processing blocks including arithmetic,
Boolean, linear and nonlinear transfer function, random generator,
transcendental, signal producer and signal consumer blocks.
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VisSim
is the software of choice for design and control engineers needing to run
software simulations of dynamic systems. Ideal for full life-cycle and
hardware-in-the-loop applications, VisSim uses easily configured,
drag-and-drop function blocks to develop and optimise prototypes of a product
or process on a standard PC. Components can be tested individually, then
combined into multi-layered models of, for example, a complete manufacturing
process or dynamic system. By making it easy to create, optimise and test
prototypes in software, VisSim dramatically reduces development time and
costs and ensures optimum efficiency and cost-effectiveness of the final
process.
VisSim/DSP
generates portable C code from block diagram models, which is compiled and
downloaded to the DSP card. This generated code produces a communication
interface through dual ported memory to send values to and from VisSim. So
VisSim-generated values from model components (constants, buttons, sliders
and optimiser inputs) are sent directly to the DSP host, while VisSim reads in
values from the DSP and incorporates them into plots, strip charts, bar graphs
or other calculation blocks built into the model. Since the VisSim/DSP
communication is through dual ported memory, VisSim input to and output from
the DSP is asynchronous to DSP execution, so there is no loss of processing
speed. Code can also be generated to target a stand-alone controller without
VisSim in the loop.
Supports Powerful, Affordable DSP Card
VisSim/DSP
supports the PC32 from Innovative Integration, a 32-bit floating-point DSP
card with an exceptional price/performance ratio. Powered by a Texas
Instruments TMS320C32 chip, the PC32 features 4 analogue inputs, 4 analogue
outputs, 8 digital inputs and 8 digital outputs directly to the card.
VisSim, VisSim/DSP and the Innovative
Integration
family of DSP cards are supplied andsupported by Adept Scientific plc, 6
Business Centre West, Avenue One, Letchworth, Herts. SG6 2HB; telephone
(01462) 480055, fax (01462) 480213, email: info@adeptscience.co.uk.
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