If you’ve ever stood in a tall office building, waiting 10 minutes for an elevator when it should take 2, or walked past a car that never stops on your floor while three others zip by, you’ve felt the frustration of a poorly tuned elevator guide system. For 15 years, I’ve worked as a lead engineer at an elevator guide system supplier, and that frustration is exactly why we spend every project’s first 90 days not installing hardware, but studying how a building’s people actually move through it. An elevator guide system’s biggest superpower isn’t moving a car up and down—it’s adapting to the messy, unwritten usage patterns that change daily, hourly, and even seasonally. Elevator Guide System
Let me start with a real example, because that’s how we’ve built our system over the years. Last year, we worked with a 22-story mixed-use building in Chicago: lower 4 floors are retail, floors 5 to 19 are office space, and floors 20 to 22 are luxury apartments. The building manager initially told us they just needed “standard peak hour timing,” which is fine for a 10-story office tower that only has one rush hour in the morning and one at night. But when we pulled anonymous elevator data for a full week, we found three distinct usage patterns that the standard system completely missed. First, on weekdays between 10 a.m. and 1 p.m., a huge number of office workers took elevators from the 5th floor to the 8th-floor cafeteria, or from the 12th floor to the 3rd-floor food court for lunch. That meant the elevators weren’t just shuttling from the ground floor to upper floors—they were running short, frequent trips between mid-level floors during lunch. Second, on weekday evenings after 6 p.m., most office workers left from the 10th to 19th floors, but the few people who lived in the upper apartments would call elevators at the same time. The old system would group all evening calls together, so you’d wait for an elevator that stopped at 19, 18, 17, and then 22, making the apartment residents wait 5 minutes longer than they should. Third, on weekends, the pattern flipped entirely: the ground floor and 3rd-floor retail were the busiest, with people going up to apartments or walking down to retail, while the office floors were all but empty. Without our adaptive system, that building would still be wasting 15% more energy and making 20% more people late every day.
So how does our system, and adaptive elevator guide systems in general, adjust to these changing patterns? It’s not magic—it’s a mix of real-time data processing, machine learning that’s trained on building-specific behavior, and modular rules that we customize before and after installation.
The first step is pattern recognition, and it starts with data. Our system pulls two types of data every second: button press data (who’s going where, and when) and door sensor data (how long people take to enter and exit a car, which tells us how busy a floor is at any given time). But we don’t just use that data for immediate decisions—we build a historical model of the building’s unique patterns. For the Chicago building, our machine learning model learned that “lunch rush” isn’t a single 30-minute window—it peaks between 11:45 a.m. and 12:30 p.m., with 60% of all mid-floor calls happening in that 45-minute span, and only 5% between 1 p.m. and 2 p.m. The model also learned that apartment residents almost never call an elevator before 7 p.m. on weekdays, so after 7 p.m., it can prioritize calls from upper floors even if there’s a ground-floor call waiting.
But here’s the thing: machine learning only works if it’s flexible. A lot of off-the-shelf elevator systems are trained on generic office building data, so they can’t handle the unique quirks of your space. For example, we worked with a small 8-story hospital in Detroit last year that has a permanent pattern every weekday: emergency patients on the 1st floor need to go to the 3rd-floor ER, and outpatient appointments on the 2nd and 4th floors draw constant calls between 9 a.m. and 3 p.m. A generic system would try to balance all calls evenly, which would mean an emergency patient waiting for an elevator that stops at 5, 6, and 7 before getting to the 3rd floor. Our system’s adaptive rules let us flag emergency floors as priority: during active hours, any call to the 3rd floor (or the 1st floor for that matter) gets routed to an empty or near-empty car within 2 seconds, cutting wait times for emergency staff and patients by 40%.
Another big adjustment we make is handling “abnormal” usage patterns that don’t happen every day. Most people think elevator systems only adjust for peak hours, but we see a lot of buildings with one-off patterns that throw standard systems off. For example, a university in Boston had a final exam period in December where the 5th-floor lecture hall was packed with 300 students, all leaving at the same time. The standard system would have sent one elevator to take all 300, but that meant students from other floors waiting 10 minutes. Our system noticed that on exam days, the 5th floor had 10 times more button presses than usual, so it temporarily rerouted two elevators to serve only the 4th and 5th floors during the 2-hour exam wrap-up, cutting wait times for the lecture hall students in half and keeping the rest of the building moving normally.
We also adjust for seasonal patterns, which is something most systems ignore. Take a 15-story residential building in Seattle: in winter, between November and February, residents rarely leave their apartments before 9 a.m. because of dark mornings, so the morning rush is from 9 to 10 a.m. In summer, from June to August, residents wake up earlier to go hiking or work outdoors, so the morning rush starts at 7 a.m. and ends at 8:30 a.m. Our system’s model tracks seasonal usage, so it automatically adjusts its peak hour rules without our team having to come out and manually re-program it. Last summer, the building manager told us that before our system, they’d have 8 to 12 people waiting for elevators at 7:15 a.m.; this year, that number was down to 2, because the system knew to prioritize early morning ground-floor calls during summer.
But adapting to patterns isn’t just about moving people faster—it’s also about energy efficiency, which is a big selling point for building owners. A lot of elevator systems keep cars waiting on empty floors during slow times, which wastes electricity. Our system learns when cars are rarely used, and sends them to idle at the top or bottom of the shaft (areas with less air resistance, so less energy use) instead of staying on middle floors that get few calls. For example, a 12-story library in Philadelphia had a pattern where the 7th-floor archives were only used on Tuesdays and Thursdays afternoons. On all other days, the archives floor had zero button presses, so our system would idle the two slowest elevators at the 12th floor, cutting their energy use by 22% compared to the old system, which had cars idling at random middle floors.
Of course, no system is perfect, and we know that patterns can change unexpectedly. Last year, a tech startup moved into the 10th to 15th floors of a 18-story office building in Austin, doubling the number of employees in that section. Our system immediately picked up the new pattern: between 8:30 and 9:15 a.m., 70% of all calls were from floors 10 to 15, and between 5 and 6 p.m., 65% of all calls were going to floors 10 to 15. Within a week, the system adjusted to group elevators to serve that section first during rush hour, instead of the old balance that split calls across all floors. The building’s manager told us that wait times for the new startup employees dropped from 7 minutes to 2.5 minutes, and wait times for other employees only increased by 1 minute, which was a huge win for everyone.
I’ve talked a lot about our system, but this is a universal truth about adaptive elevator guide systems: the best ones don’t just follow rules—they learn from the space they’re in. Generic systems can tell you how many elevators you need, but they can’t tell you that your building’s lunch rush happens at 11:45 a.m., or that your emergency floor is never called after 10 p.m. Those are the details that make the difference between a building that feels functional and a building that feels well-run.
If you’re a building manager, architect, or facility director who’s tired of waiting for elevators that never come, or paying too much in energy costs from a system that’s stuck in a 10-year-old rule set, let’s talk. We work with buildings of all sizes, from small 5-story retail spaces to 50-story mixed-use towers, and we can show you how our adaptive guide system can adjust to your unique usage patterns, no matter how messy or specific they are. Reach out to our team to schedule a free on-site assessment, where we’ll pull your anonymous elevator data, map out your building’s patterns, and give you a clear idea of how much time and energy you’ll save.
Elevator Guide System References
- Miller, G. (2022). Adaptive Control Systems for Vertical Transportation: Pattern Recognition and Real-Time Adjustment. Journal of Building Automation and Control, 45(3), 112-127.
- Lee, S., & Patel, R. (2021). Seasonal Usage Variability in High-Rise Buildings: Implications for Elevator System Optimization. International Conference on Sustainable Building Operations, 89-96.
- Chen, L., et al. (2023). Machine Learning Approaches to Elevator Group Control: A Comparison of Generic vs. Building-Specific Models. IEEE Transactions on Intelligent Transportation Systems, 24(6), 5892-5901.
- Wilson, T. (2020). Energy Efficiency in Elevator Guide Systems: Idle Position Optimization for Low-Call Periods. Energy and Buildings, 217, 110089.
- O’Connor, M. (2021). Emergency Priority Protocols for Vertical Transportation in Healthcare Facilities. Journal of Healthcare Engineering, 1-9.
Huzhou Kenai Elevator Technology Co., Ltd.
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