You may have already seen them in restaurants: waist-high machines that can greet guests, lead them to their tables, deliver food and drinks and ferry dirty dishes to the kitchen. Some have cat-like faces and even purr when you scratch their heads.

But are robot waiters the future? ItB次元官网网址檚 a question the restaurant industry is increasingly trying to answer.

Many think robot waiters are the solution to the industryB次元官网网址檚 labor shortages. Sales of them have been growing rapidly in recent years, with tens of thousands now gliding through dining rooms worldwide.

B次元官网网址淭hereB次元官网网址檚 no doubt in my mind that this is where the world is going,B次元官网网址� said Dennis Reynolds, dean of the Hilton College of Global Hospitality Leadership at the University of Houston. The schoolB次元官网网址檚 restaurant began using a robot in December, and Reynolds says it has eased the workload for human staff and made service more efficient.

But others say robot waiters arenB次元官网网址檛 much more than a gimmick that have a long way to go before they can replace humans. They canB次元官网网址檛 take orders, and many restaurants have steps, outdoor patios and other physical challenges they canB次元官网网址檛 adapt to.

B次元官网网址淩estaurants are pretty chaotic places, so itB次元官网网址檚 very hard to insert automation in a way that is really productive,B次元官网网址� said Craig Le Clair, a vice president with the consulting company Forrester who studies automation.

Still, the robots are proliferating. Redwood City, California-based Bear Robotics introduced its Servi robot in 2021 and expects to have 10,000 deployed by the end of this year in 44 U.S. states and overseas. Shenzen, China-based Pudu Robotics, which was founded in 2016, has deployed more than 56,000 robots worldwide.

B次元官网网址淓very restaurant chain is looking toward as much automation as possible,B次元官网网址� said Phil Zheng of Richtech Robotics, an Austin-based maker of robot servers. B次元官网网址淧eople are going to see these everywhere in the next year or two.B次元官网网址�

Li Zhai was having trouble finding staff for Noodle Topia, his Madison Heights, Michigan, restaurant, in the summer of 2021, so he bought a BellaBot from Pudu Robotics. The robot was so successful he added two more; now, one robot leads diners to their seats while another delivers bowls of steaming noodles to tables. Employees pile dirty dishes onto a third robot to shuttle back to the kitchen.

Now, Zhai only needs three people to do the same volume of business that five or six people used to handle. And they save him money. A robot costs around $15,000, he said, but a person costs $5,000 to $6,000 per month.

Zhai said the robots give human servers more time to mingle with customers, which increases tips. And customers often post videos of the robots on social media that entice others to visit.

B次元官网网址淏esides saving labor, the robots generate business,B次元官网网址� he said.

Interactions with human servers can vary. Betzy Giron Reynosa, who works with a BellaBot at The Sushi Factory in West Melbourne, Florida, said the robot can be a pain.

B次元官网网址淵ou canB次元官网网址檛 really tell it to move or anything,B次元官网网址� she said. She has also had customers who donB次元官网网址檛 want to interact with it.

But overall the robot is a plus, she said. It saves her trips back and forth to the kitchen and gives her more time with customers.

Labor shortages accelerated the adoption of robots globally, Le Clair said. In the U.S., the restaurant industry employed 15 million people at the end of last year, but that was still 400,000 fewer than before the pandemic, according to the National Restaurant Association. In a recent survey, 62% of restaurant operators told the association they donB次元官网网址檛 have enough employees to meet customer demand.

Pandemic-era concerns about hygiene and adoption of new technology like QR code menus also laid the ground for robots, said Karthik Namasivayam, director of hospitality business at Michigan State UniversityB次元官网网址檚 Broad College of Business.

B次元官网网址淥nce an operator begins to understand and work with one technology, other technologies become less daunting and will be much more readily accepted as we go forward,B次元官网网址� he said.

Namasivayam notes that public acceptance of robot servers is already high in Asia. Pizza Hut has robot servers in 1,000 restaurants in China, for example.

The U.S. was slower to adopt robots, but some chains are now testing them. Chick-fil-A is trying them at multiple U.S. locations, and says itB次元官网网址檚 found that the robots give human employees more time to refresh drinks, clear tables and greet guests.

Marcus Merritt was surprised to see a robot server at a Chick-fil-A in Atlanta recently. The robot didnB次元官网网址檛 seem to be replacing staff, he said; he counted 13 employees in the store, and workers told him the robot helps service move a little faster. He was delighted that the robot told him to have a great day, and expects heB次元官网网址檒l see more robots when he goes out to eat.

B次元官网网址淚 think technology is part of our normal everyday now. Everybody has a cell phone, everybody uses some form of computer,B次元官网网址� said Merritt, who owns a marketing business. B次元官网网址淚tB次元官网网址檚 a natural progression.B次元官网网址�

But not all chains have had success with robots.

ChiliB次元官网网址檚 introduced a robot server named Rita in 2020 and expanded the test to 61 U.S. restaurants before abruptly halting it last August. The chain found that Rita moved too slowly and got in the way of human servers. And 58% of guests surveyed said Rita didnB次元官网网址檛 improve their overall experience.

Haidilao, a hot pot chain in China, began using robots a year ago to deliver food to dinersB次元官网网址� tables. But managers at several outlets said the robots havenB次元官网网址檛 proved as reliable or cost-effective as human servers.

Wang Long, the manager of a Beijing outlet, said his two robots have both have broken down.

B次元官网网址淲e only used them now and then,B次元官网网址� Wang said. B次元官网网址淚t is a sort of concept thing and the machine can never replace humans.B次元官网网址�

Eventually, Namasivayam expects that a certain percentage of restaurants B次元官网网址� maybe 30% B次元官网网址� will continue to have human servers and be considered more luxurious, while the rest will lean more heavily on robots in the kitchen and in dining rooms. Economics are on the side of robots, he said; the cost of human labor will continue to rise, but technology costs will fall.

But thatB次元官网网址檚 not a future everyone wants to see. Saru Jayaraman, who advocates for higher pay for restaurant workers as president of One Fair Wage, said restaurants could easily solve their labor shortages if they just paid workers more.

B次元官网网址淗umans donB次元官网网址檛 go to a full-service restaurant to be served by technology,B次元官网网址� she said. B次元官网网址淭hey go for the experience of themselves and the people they care about being served by a human.B次元官网网址�

B次元官网网址擠ee-ann Durbin, The Associated Press

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