The document provides an overview of the STAC6 step motor driver. It compares the STAC6 to other AMP drives like the BLUAC, BLUDC, PDO5580, and Si5580. The STAC6 uses sophisticated software to reduce torque ripple and resonance. It also discusses the STAC6's features like preconfigured motor files, I/O options, and a new configuration tool. The document then goes into more detail on how the STAC6 suppresses mid-range resonance through mathematical modeling and injection of correction signals. It also addresses motor heating considerations with the STAC6.
The Televerge Enhanced External Routing Appliance Solution provide primary and/or failover IP connectivity. Because the solution is mounted outside in this IP67 enclosure you are guaranteed superior reception from Sprint's Network.
The Televerge Enhanced External Routing Appliance Solution provide primary and/or failover IP connectivity. Because the solution is mounted outside in this IP67 enclosure you are guaranteed superior reception from Sprint's Network.
A tale of scale & speed: How the US Navy is enabling software delivery from l...sonjaschweigert1
Rapid and secure feature delivery is a goal across every application team and every branch of the DoD. The Navy’s DevSecOps platform, Party Barge, has achieved:
- Reduction in onboarding time from 5 weeks to 1 day
- Improved developer experience and productivity through actionable findings and reduction of false positives
- Maintenance of superior security standards and inherent policy enforcement with Authorization to Operate (ATO)
Development teams can ship efficiently and ensure applications are cyber ready for Navy Authorizing Officials (AOs). In this webinar, Sigma Defense and Anchore will give attendees a look behind the scenes and demo secure pipeline automation and security artifacts that speed up application ATO and time to production.
We will cover:
- How to remove silos in DevSecOps
- How to build efficient development pipeline roles and component templates
- How to deliver security artifacts that matter for ATO’s (SBOMs, vulnerability reports, and policy evidence)
- How to streamline operations with automated policy checks on container images
Why You Should Replace Windows 11 with Nitrux Linux 3.5.0 for enhanced perfor...SOFTTECHHUB
The choice of an operating system plays a pivotal role in shaping our computing experience. For decades, Microsoft's Windows has dominated the market, offering a familiar and widely adopted platform for personal and professional use. However, as technological advancements continue to push the boundaries of innovation, alternative operating systems have emerged, challenging the status quo and offering users a fresh perspective on computing.
One such alternative that has garnered significant attention and acclaim is Nitrux Linux 3.5.0, a sleek, powerful, and user-friendly Linux distribution that promises to redefine the way we interact with our devices. With its focus on performance, security, and customization, Nitrux Linux presents a compelling case for those seeking to break free from the constraints of proprietary software and embrace the freedom and flexibility of open-source computing.
Dr. Sean Tan, Head of Data Science, Changi Airport Group
Discover how Changi Airport Group (CAG) leverages graph technologies and generative AI to revolutionize their search capabilities. This session delves into the unique search needs of CAG’s diverse passengers and customers, showcasing how graph data structures enhance the accuracy and relevance of AI-generated search results, mitigating the risk of “hallucinations” and improving the overall customer journey.
DevOps and Testing slides at DASA ConnectKari Kakkonen
My and Rik Marselis slides at 30.5.2024 DASA Connect conference. We discuss about what is testing, then what is agile testing and finally what is Testing in DevOps. Finally we had lovely workshop with the participants trying to find out different ways to think about quality and testing in different parts of the DevOps infinity loop.
GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using Deplo...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle.
Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
Enchancing adoption of Open Source Libraries. A case study on Albumentations.AIVladimir Iglovikov, Ph.D.
Presented by Vladimir Iglovikov:
- https://www.linkedin.com/in/iglovikov/
- https://x.com/viglovikov
- https://www.instagram.com/ternaus/
This presentation delves into the journey of Albumentations.ai, a highly successful open-source library for data augmentation.
Created out of a necessity for superior performance in Kaggle competitions, Albumentations has grown to become a widely used tool among data scientists and machine learning practitioners.
This case study covers various aspects, including:
People: The contributors and community that have supported Albumentations.
Metrics: The success indicators such as downloads, daily active users, GitHub stars, and financial contributions.
Challenges: The hurdles in monetizing open-source projects and measuring user engagement.
Development Practices: Best practices for creating, maintaining, and scaling open-source libraries, including code hygiene, CI/CD, and fast iteration.
Community Building: Strategies for making adoption easy, iterating quickly, and fostering a vibrant, engaged community.
Marketing: Both online and offline marketing tactics, focusing on real, impactful interactions and collaborations.
Mental Health: Maintaining balance and not feeling pressured by user demands.
Key insights include the importance of automation, making the adoption process seamless, and leveraging offline interactions for marketing. The presentation also emphasizes the need for continuous small improvements and building a friendly, inclusive community that contributes to the project's growth.
Vladimir Iglovikov brings his extensive experience as a Kaggle Grandmaster, ex-Staff ML Engineer at Lyft, sharing valuable lessons and practical advice for anyone looking to enhance the adoption of their open-source projects.
Explore more about Albumentations and join the community at:
GitHub: https://github.com/albumentations-team/albumentations
Website: https://albumentations.ai/
LinkedIn: https://www.linkedin.com/company/100504475
Twitter: https://x.com/albumentations
GraphSummit Singapore | The Future of Agility: Supercharging Digital Transfor...Neo4j
Leonard Jayamohan, Partner & Generative AI Lead, Deloitte
This keynote will reveal how Deloitte leverages Neo4j’s graph power for groundbreaking digital twin solutions, achieving a staggering 100x performance boost. Discover the essential role knowledge graphs play in successful generative AI implementations. Plus, get an exclusive look at an innovative Neo4j + Generative AI solution Deloitte is developing in-house.
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
Sudheer Mechineni, Head of Application Frameworks, Standard Chartered Bank
Discover how Standard Chartered Bank harnessed the power of Neo4j to transform complex data access challenges into a dynamic, scalable graph database solution. This keynote will cover their journey from initial adoption to deploying a fully automated, enterprise-grade causal cluster, highlighting key strategies for modelling organisational changes and ensuring robust disaster recovery. Learn how these innovations have not only enhanced Standard Chartered Bank’s data infrastructure but also positioned them as pioneers in the banking sector’s adoption of graph technology.
Goodbye Windows 11: Make Way for Nitrux Linux 3.5.0!SOFTTECHHUB
As the digital landscape continually evolves, operating systems play a critical role in shaping user experiences and productivity. The launch of Nitrux Linux 3.5.0 marks a significant milestone, offering a robust alternative to traditional systems such as Windows 11. This article delves into the essence of Nitrux Linux 3.5.0, exploring its unique features, advantages, and how it stands as a compelling choice for both casual users and tech enthusiasts.
Removing Uninteresting Bytes in Software FuzzingAftab Hussain
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
UiPath Test Automation using UiPath Test Suite series, part 5DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 5. In this session, we will cover CI/CD with devops.
Topics covered:
CI/CD with in UiPath
End-to-end overview of CI/CD pipeline with Azure devops
Speaker:
Lyndsey Byblow, Test Suite Sales Engineer @ UiPath, Inc.
zkStudyClub - Reef: Fast Succinct Non-Interactive Zero-Knowledge Regex ProofsAlex Pruden
This paper presents Reef, a system for generating publicly verifiable succinct non-interactive zero-knowledge proofs that a committed document matches or does not match a regular expression. We describe applications such as proving the strength of passwords, the provenance of email despite redactions, the validity of oblivious DNS queries, and the existence of mutations in DNA. Reef supports the Perl Compatible Regular Expression syntax, including wildcards, alternation, ranges, capture groups, Kleene star, negations, and lookarounds. Reef introduces a new type of automata, Skipping Alternating Finite Automata (SAFA), that skips irrelevant parts of a document when producing proofs without undermining soundness, and instantiates SAFA with a lookup argument. Our experimental evaluation confirms that Reef can generate proofs for documents with 32M characters; the proofs are small and cheap to verify (under a second).
Paper: https://eprint.iacr.org/2023/1886
Mind map of terminologies used in context of Generative AI
Applied Motion Products stac6 overview
1. STAC6
ASP PRESENTATION
STAC6 Family
Overview
STAC6/BLUAC/BLUDC match up
STAC6/Si5580/PDO5580 match up
“Under the hood”
P7000 some +’s & -’s
CONFIGURATOR
Motor temperature rise
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6. OVERVIEW
The STAC6 is a compact 6 amp/phase step motor
driver with a 167 vdc bus (no transformer)
It uses sophisticated software to “tame”
inherent problems with open loop drives
Existing AMP application software ie; Si
Programmer, SCL and Q are seamlessly
integrated into the design
A brand new, non-legacy application named
CONFIGURATOR simplifies set-up
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7. FEATURE COMPARISON
HOW DOES THE STAC6 COMPARE
Against BLUAC?
Against BLUDC?
Against PDO5580/ Si5580?
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8. STAC6
Transformerless, light (2 lbs), small
167vdc BUS
Excellent step motor tuning
3 versions; S, Q, Si
Compatible with HUBS
Preconfigured motor files
Digital I/O; 7/3 or 15/7
Analog ins; (2) 12 bit resolution,+/-10v
List $795, $895, $995
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8
9. BLUAC5
Transformerless, light, small
167vdc or 330 vdc Bus
Excellent servo tuning
3 versions; S, Q, Si
Compatible with HUBS
Preconfigured motor files
Digital I/O; 7/3 or 15/7
Analog ins; (2) 12 bit resolution,+/-10v
List $800,$1025,$1325
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ELECTROMATE
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9
10. BLUDC
Light, small
24vdc or 48 vdc BUS
Excellent servo tuning
3 versions; S, Q, Si
Compatible with HUBS
Preconfigured motor files
Digital I/O; 7/3 or 15/7
Analog ins; (2) 12 bit resolution,+/-10v
List $535, $610, $680
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ELECTROMATE
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10
11. PDO5580/Si5580
Stepdown transformer, heavy (8lbs), big
80vdc BUS
No resonance suppression
2 versions; PDO, Si
Compatible with HUBS
No preconfigured motor files
Digital I/O; 8/3
Analog ins; (1) 0 to 5 volt
List $750 PDO $980 Si
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12. What the comparison shows
STAC6,BLUAC,BLUDC have identical
flavors ie: S, Q, Si
STAC6,BLUAC,BLUDC have identical
digital I/O’s
STAC6,BLUAC,BLUDC have identical
analog inputs
STAC6,BLUAC,BLUDC have identical
hub compatibility
RESULT: Choose the best prime
mover for the application, let the
electronics selection followSold & Serviced By:
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13. STAC6
Let’s go under the hood
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14. Under the hood
Low speed torque ripple reduction
4th harmonic added to distort sine wave
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16. Mid range resonance
Here comes the heavy artillery
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17. Under the hood
Mid range resonance solution
Dsp engine is running a model
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18. Mid range resonance
Mid range resonance occurs in the 4 to
15 rev/sec range
Occurs at speeds when the drive is not
capable of supplying full current
Occurs in natural resonant bands
Half stepping or microstepping often help
Type of coupling is important
Some compliance was useful
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19. Mid range resonance
Amount of load inertia is a factor
Sloppy gear boxes/backlash are bad
Viscous damping often helps
Heavy grease in gearbox
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19
20. Mid range resonance
Mathematical analysis shows insufficient
“damping” is the culprit
How do you add damping without a
feedback device?
Answer: Create a “model” of the plant and
let it run in the background. Compare
actual currents and the model currents.
Inject a small “correction” signal from the
model to raise the damping in the actual.
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20
21. Mid range resonance
Model runs a plant that looks like a spring
– mass combination.
Therefore we information about:
The peak torque of the motor (spring)
The total system inertia ie; Jr + Jl (mass)
Dsp engine then calculates the natural
resonant frequency
Freq = sq. rt.{50Tmax/(Jr +Jl)} / 6.28
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21
22. Mid range resonance
Result: Choose a
motor from our
preconfigured list
and you only have
to enter the load
inertia
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23. Mid range resonance
Use a non-listed motor and you
have more info to enter!!!
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23
25. Under the hood - Self Test
On power-up the drive verifies the
resistance of the windings
On power up the drive verifies the
inductance of the windings
The drive therefore needs this data
File motors- no problem
Non standard motors- You must enter
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25
26. Under the hood - VERIFY
AMP has offered position verification on
3540i – very successful
STAC6 offers more
Position verification
Stall detect
Set the error window (just like a servo with
following error)
R&D project for “Stall prevention”
riding the Torque speed curve to lower speeds.
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26
29. We could have used Q.T.
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38. MOTOR HEATING
Step motors have Class B insulation
Class B means 130C winding temperature limit
Classical approach to determine current rating
Suspend motor in free air
Adjust the current for a 80C winding temp. rise in
a 40C environment (allows for 10C hot spot)
No iron losses to contribute to temp. rise
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38
39. MOTOR HEATING
STAC6 approach (motor losses are copper
and iron)
Assumed a motor mounting plate
6” x 6” x .25” for NEMA 23
10” x 10” x .375” for NEMA 34
Verify motor winding temp. remains at or below
130C in a 40C environment
NOTE: This can result in case temperatures up
to 95C
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40. MOTOR HEATING
Techniques that mitigate the temperature
rise
Idle current reduction (factory default is 90%)
Motor losses vary with speed
10% reduction in running current causes a 21%
reduction in temp rise.
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40
41. MOTOR HEATING
STAC 6 with Step Motors
Thermal aspects are important now
Motors in indexing applications with some
rest time (idle current reduction on) will
exhibit Si5580 type temperature rises
Motors in constant speed applications will
run hotter and need the mechanical
mount to absorb some of the heat
energy.
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41
43. STAC6
NoTransf. light (2 lbs), small
167vdc BUS
Excellent step motor tuning
3 versions; S,Q,Si
Compatible with HUBS
Preconfigured motor files
Digital I/O; 7/3 or 15/7
Analog ins; (2) 12 bit resolution
Sold & Serviced By:
List $795, $895, $995 ELECTROMATE
Toll Free Phone (877) SERVO98
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43
44. PDO5580/Si5580
Transformer, heavy (8lbs), big
80vdc BUS
No reasonance suppression
2 versions; PDO, Si
Compatible with HUBS
No preconfigured motor files
Digital I/O; 8/3
Analog ins; (1) 0 to 5 volt Sold & Serviced By:
List $750 PDO $980 Si
ELECTROMATE
Toll Free Phone (877) SERVO98
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sales@electromate.com
44
45. BLUDC
Light, small
24vdc or 48 vdc BUS
Excellent servo tuning
3 versions; S, Q, Si
Compatible with HUBS
Preconfigured motor files
Digital I/O; 7/3 or 15/7
Analog ins; (2) 12 bit resolution
Sold & Serviced By:
List $535, $610, $680
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com
45
46. BLUAC5
Transformerless,light,small
167vdc or 330 vdc Bus
Excellent servo tuning
3 versions; S,Q,Si
Compatible with HUBS
Preconfigured motor files
Digital I/O; 7/3 or 15/7
Analog ins; (2) 12 bit resolution
Sold & Serviced By:
List $800,$1025,$1325 ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
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sales@electromate.com
46