Category: Other

Servo Amplifiers in the Olympics

Ken Cheng Leave a comment

This year the most elite athletes from all over the world come together in Paris, France. There they will spend two weeks competing against one another in the Olympic games. It’s no secret that a lot of planning, work, and effort goes into the Olympics. While the spotlight understandably goes to the athletes and their coaches who compete. The success of the Olympics also hinges on its more technical side. When we talk about the importance of technical operations. Servo amplifiers in the Olympics are crucial componenst that can make or break an event..

Read more: Servo Amplifiers in the Olympics

Servo amplifiers play an essential role in numerous applications within the Olympics. They ensure high precision, reliability, and performance across various sports and event operations. Here are some specific examples of how they are utilized:

Timing Systems

Timing systems like the ones made by Omega, the official time-keeping body of the Olympics, utilize servo amplifiers. Servo amplifiers control precision timing sensors and actuators, ensuring that the timing devices record the start and finish times to the thousandth of a second. This high level of accuracy plays an essential role in determining winners and setting new records. Track, Swimming, and Cycling are a few sports utilizing precision timing systems.

This Omega time keeping device utilizes servo amplifiers to record start and finish times with precise accuracy.

Robotic Cameras and Broadcast Equipment

Servo amplifiers play a big part when it comes to robotics, and the in the Olympics it is no different. Servo amplifiers offer precise and smooth motion for the camera to capture dynamic action from various angles without any shake or jitter. This precision control allows for cameras to pan and move while capturing fast-moving athletes as they make dynamic moves frequently missed by the human eye.

Gymnastics Equipment Calibration

When talking about gymnastics, factors like height, tension, and stability play very important roles in the outcome of gymnastics. Gymnastics requires everything to be precise and correct. This is not just limited to the actions and skill levels of the gymnast but also the equipment that they use. The slightest off set of height from a balancing beam or lack of tension on a line can cause an Olympian gymnast to lose their shot at the gold, if not something more catastrophic. The capability of servo amplifiers to adjust these factors with precise accuracy not only prevent unforeseen accidents, but also ensuring that someone takes home the gold!

Automated Training Simulators

High-end training simulators, such as rowing machines and treadmills used by athletes, often incorporate servo amplifiers. These amplifiers control the resistance and movement of the machines, providing athletes with consistent and precise feedback during their training sessions. For example, a rowing machine with a servo amplifier can accurately simulate the resistance of water, helping rowers to train more effectively.

Training simulators like the one used for archery utilize servo amplifiers to measure speed and velocity of arrows.

Conclusion

Servo amplifiers are indispensable in the Olympic Games, providing the precision, reliability, and efficiency necessary for various applications. From timing systems and robotic cameras to training equipment and training systems, servo amplifiers enhance the overall performance and fairness of the competitions. As technology continues to advance, their role is set to become even more significant, contributing to the ever-evolving landscape of the Olympics.

Need a Servo Amplifier?

Have a tasks that requires peak levels of precision and functionality? Reach out to our team by phone: (800) 691-8511 or by email: sales@mroelectric.com. Check out our website www.mroelectric.com for more information on other products.

Servo Amplifier Safety Features

Ken Cheng Leave a comment

The fast-paced world of industrial automation remains constantly in motion.  In an environment that moves fast, the ability to diagnose and quickly control a fault remains crucial to operating an industrial machine efficiently and safely. Having a servo amplifier safety features saves money, time, and lives in the long run.  

Read more: Servo Amplifier Safety Features

Before we get into the multiple safety features of servo amplifiers. If you are not familiar with servo amplifiers, this article covers the fundamentals of what servo amplifiers are. Definitely give it a read over!

Overcurrent Protection

Overcurrent protection exist as the most fundamental safety feature found on servo amplifiers.   This mechanism prevents excessive current from flowing through the amplifier. Excessive current flows occur due to short circuits or sudden surges in demand. When an amplifier detects overcurrent,it shuts down or reduces power. This avoids overheating and potential damage to the motor and the amplifier itself. This not only preserves the lifespan of the components but also mitigates fire hazards associated with electrical overloads.

Thermal Protection

Another safety feature found in servo amplifiers, thermal protection use integrated sensors to monitor servo amplifier temperatures. These sensors initiate protective measures if temperatures rise above safety thresholds.  This usually involvesreducing the power output, activating cooling fans, or even shutting down the amplifier to prevent thermal runaway and damage. Effective thermal management ensures continuous, reliable operation and extends the equipment’s service life.

Over/Under Voltage Protection

Overvoltage conditions can arise from fluctuations in the power supply or regenerative energy from the motor, potentially damaging sensitive electronic components. Undervoltage situations can impair the amplifier’s performance, leading to erratic motor behavior. By monitoring and maintaining voltage within safe limits, these protective mechanisms ensure stable and predictable operation, safeguarding both the amplifier and the connected motor.

Fault Detection and Diagonistic

Advanced servo amplifiers often incorporate fault detection and diagnostic capabilities.  These systems continuously monitor operational parameters and can identify anomalies such as motor stalls, feedback errors, or communication failures. When a fault is detected, the amplifier can trigger alarms, log diagnostic information, and take corrective actions such as switching to a safe state or performing an emergency stop. This proactive approach to fault management not only prevents potential damage but also aids in troubleshooting and maintenance, reducing downtime and operational costs.

Safety features on a Yaskawa Sigma 5 servo amplifier.

Conclusion

 The safety features integrated into modern servo amplifiers are essential for protecting equipment, ensuring safe operation, and enhancing overall system reliability. Overcurrent and thermal protection, voltage regulation, and advanced fault detection are just a few examples of how these features work together to mitigate risks and extend the life of both the amplifiers and the motors they control. As technology advances, we can expect even more sophisticated safety mechanisms to emerge, further improving the safety and efficiency of servo-driven systems.

Have a Broken Servo Amplifier?

A brief guide for common Fanuc servo amplifier alarm codes can be found here. For any inquiries regarding repair or replacement, our team is available by phone: (800) 691-8511 or by email: sales@mroelectric.com.

The Basics of Servo Amplifiers

Ken Cheng Leave a comment

When thinking about automation, we imaigne massive warehouses housing automation lines that have conveyer belts snaking every which way.  Large robotic arms constantly move back and forth as they commit to the same repeated task over and over again.  You probably imagine sparks flying in the air as robotic arms weld parts to march larger machine bodies. The sight of a manufacturing facility may overstimulate the senses. The flashes of light, the sound humming and grinding, and the smell of various mechanical fluids in the air.  With so much stimulation, it’s understandable as to why people overlook the comparatively small but very crucial amplifier.  After all these small devices sit tucked away hidden from sight. Nonnetheless they perform the very important function of orchestrating tasks to other units with extreme precision. 

Read more: The Basics of Servo Amplifiers

The History of Servo Amplifiers

The history of servo amplifiers dates back to the 1920s where their original exploration largely targeted aviation and military applications.  During the bulk years of WWII during the 1940s, early servo mechanisms saw their use controlling gun turretts and radar.  Notice how I said “”servo mechanisms,” that’s because these weren’t quite the servo amplifiers that we are familiar with today. Instead they required hydraulic and manual action.  The end of the 40s and into the 1950s saw the development of the first electronic servo amplifier. The servo amplifier stood as a vast improvement compared to its predecessor, in regards to precision and reliability. 

The 1960s and 70s brought the invention of the semiconductor and with that the next evolutionary step for servo amplifiers.  In 1969 the company, Modcon, built the first Programmable Logic Controller (PLC). Not only did the PLC revolutionize the automation industry but it also paved the way for more sophisticated control systems. By the 1980s, the integrating of digital signal processing (DSP) furthered the capabilities of servo amplifiers. By the 1990s, servo amplifier connectivity and communication made it an irreplaceable asset to industries across the globe.

How Do Servo Amplifiers Work

At the core of its functionality, the servo amplifier is a feedback device.This system relies on sensors, typically encoders or resolvers, to provide real-time data on the motor’s performance. The feedback loop continuously compares the actual position, speed, and torque of the motor with the commanded values from the control system.The servo amplfifier corrects any discrepencies by adjusting the power output accordingly. This closed-loop system ensures high precision and responsiveness, enabling complex and delicate tasks to be performed with ease.

Servo amplifiers come in various types, each suited to specific applications. Analog servo amplifiers, for example, control motor operations using continuous signals. Digital servo amplifiers, on the other hand, offer greater flexibility and precision by utilizing digital signals and advanced algorithms. These digital models often feature programmable settings, allowing for customization to meet the specific requirements of different tasks. Additionally, hybrid servo amplifiers combine elements of both analog and digital systems, providing a balance of performance and versatility.

The applications of servo amplifiers are vast and varied. In industrial automation, servo amplifiers control robotic arms, conveyor belts, and CNC machines, where precision and repeatability are essential. In the aerospace industry, servo amplifiers are critical for controlling the movements of aircraft components, such as flaps and landing gear. Servo amplifiers also find use in the medical field, where they enable the precise operation of surgical robots and diagnostic equipment. The ability to provide exact control over motor functions makes servo amplifiers indispensable in any field requiring high-precision motion control.

Conclusion

In summary, servo amplifiers are crucial devices in the realm of motion control, offering unparalleled precision and reliability. By continuously adjusting power based on feedback from sensors, they ensure motors operate efficiently and accurately. The variety of servo amplifier types allows for their use in a wide range of applications. This ranges from industrial automation to aerospace and medical technology. As technology advances, the role of servo amplifiers is expected to grow. Further enhancing their importance in achieving precise and efficient motor control.

Have a Broken Servo Amplifier?

A brief guide for common Fanuc servo amplifier alarm codes can be found here. For any inquiries regarding repair or replacement, our team is available by phone: (800) 691-8511 or by email: sales@mroelectric.com.

Industries that See the Most Use of Servo Amplifiers

Ken Cheng 1 Comment

Servo amplifiers play a diverse number of roles across multiple industries.  Surprisingly some of the industries that utilize servo amplifiers are ones that a lot of people don’t really think about. However, without servo amplifiers these industries stand completely inept of any production. We’ve compiled a list of industries that heavily utilize servo amplifiers and the use they have across industries.  Some of these industries may seem obvious while others may actually surprise you. 

Servo amplifiers like these made by Fanuc, are used across diffferent industries.
Read more: Industries that See the Most Use of Servo Amplifiers

Manufacturing and Automation

Probably the most obvious industry utilizing servo amplifiers are the manufacturing and automation industries. Industries in this sector often utilize advanced machinery to execute sophisticated task that require precision.In the industrial sector, servo amplifiers allow CNC machines to mill out metal to consistently specific sizes, while automated arms handle hazardous material.

Automotive

Multiple aspects of the car industry utilize servo amplifiers.  Aside from the manufacturing process, servo amplifiers see use in car washing machines, on equipment that perform car maintenance, and even car vending machines!

Medical Devices

Servo amplifiers have their place in the medical field as well.  They allow precise imaging control in CT, MRI, and XRay machines.  Additionally, the precision of servo amplifiers has found use in robotic surgery.

Packaging

Probably not as prominently thought of when discussing the applications of servo amplifiers, but an array of machinery see their applications across the industry.  Package filling machines utilize servo amplifiers for precisely distributing packing foam.  Servo amplifiers see their use in label printing and application machines. For bulkier packaging equipment, the use of servo amplifiers in pallet wrapping and lifting plays a vital role in keeping employees safe while efficiently working.

Renewable Energy

The environmental impact of automation has always come under scrutiny from opponents of industrialization as well as those concerned with climate and environmental issues. The question of sustainable energy exists as the primary topic of debate within the broader environmental discussion.  Servo amplifiers have found a niche place in the renewable energies sector.  Wind turbines use then for controlling pitch and yaw allowing for optimal energy capturing.  Additionally,servo amplifiers find use in solar panels tracking the position of the sun with precise accuracy.  

Food and Beverage

Servo amplifiers play a big role in the production of some of our favorite snacks and drinks.  Sensors allow for precise measurements of distribution to each package.  Not only that but they also dictate temperature and time ensuring that we get the most enjoyment ouf of the foods we enjoy.  Additionally, these servo amplifiers manage the sealing and labeling of food packages.

Conclusion

Multiple industries use servo amplifiers for task that crucially need precision, efficiency, and automation. Their ability to provide accurate control of motors and actuators makes them indispensable in modern industrial applications. As technology continues to advance, the use of servo amplifiers is likely to expand into new and emerging fields, further enhancing productivity and precision.

Broken Servo Amplifier?

Have a servo amplifier in need of repair or replacement? Give our team of certified professionals a call at: (800) 691-8511, or send us an email at: sales@mroelectric.com

A title image for a blog about every state’s favorite ice cream.

The Scoop on Every State’s Favorite Ice Cream

Leanna Cota Leave a comment

What could possibly make a sunny afternoon even sweeter? How about discovering what ice cream reigns supreme in each state across the USA? Whether it’s the rich swirl of chocolate, a classic scoop of vanilla, or something a bit more adventurous like lavender honey, every state has its favorite ice cream flavor and brand that keeps the locals lining up, even on the chilliest of days.

In this frosty feature, we’re diving scoop-first into the cool world of ice cream preferences across America. Using the latest Google search trends, we’ve churned out a list that’s sure to surprise and delight. So, grab your spoons (and maybe a napkin or two), and let’s embark on a creamy journey to uncover each state’s favorite ice cream. Who knows? You might just discover your new go-to along the way!

A map of the most popular ice cream flavor in each state.

America has spoken, and the verdict is as sweet as it gets! At the top of the ice cream pyramid sits none other than the classic chocolate, capturing the hearts—and spoons—of 15 states. Is it the smooth, velvety texture or the deep, decadent flavor that has states such as Georgia, Kentucky, New York, Tennessee, Utah, and Wisconsin swooning? Whatever the reason, it’s clear that chocolate is the king of ice cream flavors in the U.S.

Strawberry swirls in at second place, painting five states –California, Kansas, North Carolina, South Carolina, and West Virginia– in its delightfully pink hue. This fruity favorite is more than just a summer fling; it’s a year-round love affair for those who prefer a tangy twist to their treat. 

Trailing closely behind, and never out of style, is vanilla, claiming four states –Arkansas, District of Columbia, Oregon, and Vermont– as its territory. While some might call it plain, aficionados know better. Vanilla’s subtle sweetness and creamy consistency make it a versatile base that plays well with almost any topping, from hot fudge to fresh fruit. It’s the canvas of the ice cream world, allowing imaginations to run wild with flavor combinations.

Some states, however, are drawn to the less conventional flavors. Michiganers, for example, love to order up a scoop that’s known for its bright hues of blue, red, and yellow which give it its namesake after the iconic superhero: Superman. Moving towards the east coast, Rhode Island residents have a love for the indulgent Moose Tracks– a scoop that typically consists of vanilla ice cream with added elements of chocolate fudge and peanut butter cups!

So, whether you’re a devotee of the rich and chocolaty, a fan of the fruity and fresh, or a purist who prefers the understated elegance of vanilla, there’s a flavor on this map for everyone. While each state’s preference may vary, our love for this frozen delight is a common thread that binds.

A map of the most popular ice cream brand in each state.

When it comes to ice cream brands, it seems America has found a true gem in Talenti. This beloved brand scoops its way to the top as the most popular choice in 17 states, winning hearts with its artisanal approach. Known for its rich, creamy texture and a wide array of innovative flavors, Talenti has become a household name from coast to coast. Whether it’s the smoothness of their Mediterranean Mint or the decadence of their Sea Salt Caramel, Talenti has a knack for turning every pint into a gourmet experience.

Hot on Talenti’s heels is the health-conscious yet indulgent Halo Top, the favorite in 12 states. This brand has managed to bridge the gap between indulgence and wellness, offering a low-calorie option that doesn’t skimp on flavor. With classic flavors like Birthday Cake and Peanut Butter Cup, it’s no wonder Halo Top has amassed a loyal following.

In a three-way tie for third place, we find the timeless classics: Baskin Robbins, Blue Bunny, and Dreyer’s (or Edy’s, depending on which side of the Rockies you reside). Baskin Robbins, with its iconic 31 flavors, continues to be a favorite for those who love variety and nostalgia. Blue Bunny, celebrated for its fun and playful approach to ice cream, delights fans with flavors that are as whimsical as they are delicious. And Edy’s/Dreyer’s offers a comforting range of family-friendly favorites that have been staples in American freezers for generations.

America’s top ice cream brands reflect a diverse palate that caters to every craving. Whether you’re a fan of the gourmet, the healthy, or the timeless, there’s an ice cream brand out there ready to make your day a little sweeter.

Closing Thoughts

From the most popular ice cream flavors to the top brands, this delicious treat is a universal joy that brings people together and adds a touch of delight to our days. Whether it’s the rich indulgence of chocolate, the fruity freshness of strawberry, or the classic appeal of vanilla, each state has its own unique favorite that has carved out a special place in the hearts (and freezers) of Americans. Just as MRO Electric services are essential to keeping your business running smoothly throughout the year, ice cream is the sweet fuel that helps us all power through the hot summer months. So, let’s raise our cones to a tour of America’s favorite ice cream—it’s been a delicious ride! 

Methodology

To find out which type of ice cream flavor and brand were the most popular in each state, we compiled a list of commonly eaten ice cream across the U.S. by looking at 29 ice cream flavor keywords and 16 ice cream brand keywords on Google Trends from June 2023 to 2024.

Title Graphic About the Most and Longest Power Outages by U.S. State

States with the Most and Longest Power Outages

Leanna Cota 1 Comment
Title Graphic About the Most and Longest Power Outages by U.S. State

With the constant threat of severe storms, losing power is an inconvenience homeowners and businesses alike can expect. Tropical Storm Risk predicts hurricane activity in the North Atlantic this year could be 50% above the last 50-year norm. Understanding which states have the most power outages can help residents better prepare when their electricity fails.

At MRO Electric, we wanted to determine the U.S. states with the most power outages. To find out, we analyzed data from the U.S. Energy Information Administration to determine the average frequency and duration of power outages in each state. Specifically, we used outage data from their annual reports for the last five years (2018-2022). Keep reading to see how your state stacks up.

The U.S. States with the Most and Least Power Outages

With the most annual power outages, Maine is surely left in the dark. The Pine Tree State tops the list with an average of 4.35 power outages every year, a stark increase above the national average of 1.62 per year.

Given that severe weather can lead to outages, it is no surprise that Louisiana is ranked third on our list. According to the National Hurricane Center and USAFacts, Louisiana is one of the most hurricane and tornado-prone states, and with about 2.78 power outages a year, it is not hard to see what is causing these blackouts.

Mississippi, with the most annual tornadoes on average, and Florida, the most hurricane-prone state, also suffer from outages with 2.25 and 2.18 outages per year on average, respectively. The South, with its frequent severe storms, was the region with the most power outages on average and these states certainly contributed. Comparatively, the South experiences about 1.97 power outages a year, the Northeast encounters about 1.64, the West has about 1.50 on average, and the Midwest comes in last with about 1.31 power outages in a year.

The District of Columbia suffered the least from power outages, with about 0.47 per year on average. Utah and Wisconsin are close second and third with 0.60 and 0.75 annual outages, respectively.

Another factor that should be considered when determining the severity of a power outage is how long the outage lasts. Now, let’s take a look at which states had the longest and shortest power outage durations.

The U.S. States with the Longest & Shortest Power Outages

As mentioned earlier, Louisiana is a hurricane and tornado-prone state. This may be why Louisiana has the longest average annual power outages of any state, with an annual average of more than a full day without power (24 hours and 54 minutes), which is four times the national average of 6 hours. Following Louisiana, Maine, with the most average annual outages, also had some of the longest outages lasting up to nearly 16 hours.

Once again, D.C. fares well in terms of outages and has the shortest average annual power outage duration at only an hour of no power on average, which is just a fraction of what Louisiana suffers. Delaware (1 hour and 42 minutes) and Utah (1 hour and 54 minutes) follow, with an average power outage duration of less than two hours. To see more averages of power outage duration, see the map above.

Average Power Outage Time

Understanding the average duration of power outages across different states provides valuable insights for residents and businesses. On average, power outages in the U.S. last about 6 hours. However, this duration can vary significantly depending on the state and the cause of the outage. For example, states prone to severe weather events like hurricanes and tornadoes often experience longer outages due to the extensive damage that needs to be repaired. In contrast, states with robust infrastructure and fewer severe weather events tend to have shorter outage durations. By examining these patterns, we can better understand the factors that influence outage times and identify areas that may require infrastructure improvements to enhance resilience and minimize disruptions.

Let’s Shed Some More Light on the Matter…

When evaluating frequency and duration patterns of power outages, major event days (MED), are occurrences that are factored in and necessary for understanding the severity of each. Major event days are defined as any day where outage metrics exceed normal averages. While these can sometimes be attributed to hackers, cyber attacks, and other anomalies, they are usually caused by severe weather patterns like hurricanes and blizzards.

To take a closer look at these power outage metrics across the country, hover over each state in the interactive map below. Find out what you can expect for where you call home.

Closing Thoughts

With the uncertainty of power grid reliability by state in inclement weather, access to quality repairs on weather-damaged parts or new parts is essential. MRO Electric ensures that power outages do not hinder progress by providing experienced service in repairs and same-day delivery of industrial automation supplies.

Methodology

To determine which U.S. states have the most power outages, we analyzed data from the U.S. Energy Information Administration (EIA) to find out the average frequency and duration of power outages in each state. We used outage data from their annual reports for the last five years (2018-2022). We collected the average duration (SAIDI) and frequency (SAIFI) of outages in each state per year. Then, we aggregated the data into 5-year averages for each state.

We included major event days (MEDs) data in the calculations to ensure we included the most accurate average duration and length of outages per year. A common example of a MED is a serious weather event. Hawaii could not be included in this list due to insufficient data for 2022 and 2021.

Frequently Asked Questions

What state has the most power outages?
According to the data, Maine experiences the most power outages, averaging 4.35 outages per year.

How long is the average power outage?
The average power outage in the U.S. lasts about 6 hours, but this can vary significantly based on location and the cause of the outage.

What states are at high risk for blackouts?
States at high risk for blackouts include Maine, Louisiana, Mississippi, and Florida, all of which experience frequent severe weather events.

Which state has the least power outages?
Washington D.C. has the least power outages, with an average of 0.47 outages per year.

How to Extend the Life of a Servo Motor

Ken Cheng Leave a comment

Servo motors exist as a crucial component in industrial automation.  Without them the entire industry sits at a literal standstill. For this reason engineers design modern servo motors with durability and longevity in mind.  That being said, the demands of the industry vary and longevity as a concept is only relative to what is being demanded.  Maintenance and environmental factors also play a role in the life span of a servo motor.

Read more: How to Extend the Life of a Servo Motor

Here are some common faults with server motors as well as a few suggestions on maintaining and extending the life of your servo motor.

Common Faults

  • Contamination: Dust, dirt, or moisture getting inside the motor can damage components and hinder performance.1
  • Overheating: This is a major concern and can be caused by mechanical issues (binding, overloading) or electrical problems (excessive current, failing components).
  • Bearing Failure: Worn bearings due to age, lack of lubrication, or contamination can lead to noisy operation and eventually complete motor failure.
  • Winding and Cable Faults: Internal shorts or damage to the windings or control cables can disrupt motor function.

Ways to Extend the Life of Your Servo Motor

  • Preventative Maintenance: Regular cleaning, inspection, and lubrication (if applicable) can catch problems early and keep your servo motor running smoothly.
  • Reduce Load and Strain: Don’t overload the servo motor beyond its capacity. If possible, use a servo motor with a higher torque rating than the minimum required for your application.
  • Manage Temperature: Ensure proper ventilation around the servo motor to prevent overheating. You might need to adjust operation cycles or add cooling fans in high-stress environments.
  • Limit Travel Extremes: Avoid constantly running the servo motor to its full range of motion. This can put extra stress on the gears and motor windings.
  • Use Shock Absorbers: If the servo motor deals with impacts at the end of its travel, consider adding shock absorbers to absorb impact and reduce stress.
  • Choose the Right Servo: Select a servo motor with specifications that match your project’s needs. Consider factors like torque, speed, and operating voltage.
  • Proper Power Supply: Ensure a steady and appropriate voltage supply to the servo motor. Fluctuations can damage internal components.

While the majority of servo motors are designed to withstand a lot of punishment put out by the demands of production they still retain a lifespan. This lifespan varies based on a myriad of factors from environmental to basic maintenance. The importance of regular maintenance and preventative care to servo motors will not only extend the lifespan of their service, but also save a company a lot of money in the long run.

Have a Broken Server Motor?

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MRO Electric offers services for repairs and part replacement. A customer representative can be reached by phone: (800) 691-8511.