Pick up line: Many of Japan's elderly would prefer human helpers, rather than this nursing robot called Ri-ManIn Japan robots are friendly helpers not Terminators.
So when they join the workforce, as they do often in factories, they are sometimes welcomed on their first day with Shinto religious ceremonies.
But whether the sick and elderly will be as welcoming to
robot-like tech in their homes is a question that now vexes
a Japanese care industry that is struggling with a massive
manpower shortage.
Automated help in the home and hospitals, believe some, could be the answer. A rapidly ageing first world is also paying close attention to Japan's dalliance with automated care.
It wants to know whether it can construct the nursing-care and
medical-care needed in a future with fewer younger people
to take care of the elderly. Japan could show us how.
"The country sees it as an imperative to build carer robots
and systems that can monitor health in the home. Because
without them the nation's health care system won't cope," says
carer Yasuko Amahisa.
"There will simply be too many elderly to care for as the nation
faces a dramatic declining birth rate, an ageing population,
and loosening of family ties."
Above all Japan wants, if not needs, its dreams of robots in
the home to come true because its immigration policy is
decidedly anti-immigration, she adds.
Japan's population is ageing rapidly, with over 22% of the population aged 65 or olderClosed bordersThe kind of cheap, often well-educated labour, that has
filled London homes with nannies and Barcelona's with
Latin American carers for the elderly, is not an option.
Japan issues only about 50,000 work visas a year, a fraction
of the 700,000 immigrants needed annually to prevent its
population from shrinking, hence the focus on labour-saving
tech such as robots for homes.
Humanoid-style care robots were once the ideal. Japanese
car makers who are behind some of the more advanced
"domestic" robots even suggested a decade ago that
there would be a robot in every Japanese home.
Toyota President Katsuaki Watanabe said he wanted
robotics to be a core business for Toyota, which is now
testing its robots at hospitals with what it calls "partner robots".
It had hoped to crack the market by this year.
Japanese robotics manufacturers
are moving away from 'humanoid' robots
"We want to create robots that are useful for people in everyday life," he said.
There are home robots but they are simply not useful enough.
"They should be able to do more. 200,000 elderly people fall and break a leg in the US each year. Robots could help here," says Joseph Engelberger, the founding force behind industrial robotics and the father of the modern robotics industry.
"Human help is expensive. Robots should cost the same as a Mercedes and could be rented out. That would be a bargain compared to paying $600 a week for help."
'Humans not machines'Recently the Japanese government announced the outlines of a less glamorous "Home-use Robot Practical Application Project".
It has earmarked 7.6bn yen ($93m; £58m) to get these more prosaic drones and lifters into Japanese homes, to commercialise simple home-use robots and to develop safety technologies and standards, which have been major issues.
“Start Quote
Robotic support of the infirm and elderly has
Geoff PegmanMD, R.U.Robotsgot to be aimed at improving quality of life”
So far billions has been thrown at developing multitasking human like home robots that have very little practical applications now or in the near future.
"We think our robot will help make up for future labour
shortages in an ageing society with fewer children," said
Osamu Tsuchikura of Fujitsu's robotic arm, shortly before
his department was closed for good.
The idea now, it seems, is to direct money and energy
into more modest, more practical robot-like devices that
will help care for the elderly.
"Robotic support of the infirm and elderly has got to be
aimed at improving quality of life," says Geoff Pegman,
managing director of one of the UK's few robot manufacturers
R.U.Robots. "It should not just be for governments to save
money in caring for them."
Robot guides have been removed from
hospitals because they "put patients off"
The Japanese government and care industry now seems to agree
after robots have turned out to be too expensive, impracticable and
sometimes unwelcome, even in "robot friendly" Japan.
The country's biggest robot maker Tmsuk created a life-like one-metre
tall robot six years ago, but has struggled to find interested clients.
Costing a cool $100,000 (£62,000) a piece, a rental programme was
scrapped recently because of "failing to meet demands of consumers"
and putting off patients at hospitals.
"We want humans caring for us, not machines," was one response.
While sales of a revolutionary spoon feeding robot arm by Secom to
help elderly or disabled people eat have fizzled out owing to its $4,800
(£3,000) price.
Money, money, money
For all its research, Japan has yet to come up with a commercially
successful home robot says Yukihiro Goto, a senior medical tech analyst at Macquarie Japan.
"Currently such tech is at an early stage, so there is little penetration. One reason is cost. The introduction cost is still very high and the tech not mature yet," he says.
This robotic bed that converts into a
wheelchair may be more realistic
With over 22% of Japan's population already aged 65 or older, businesses are finding non-robot items such as remote-controlled beds and remote-monitoring gadgets are a better bet in a care technology market worth well over a billion dollars per year.
With an eye on this growing market, large trading firms such as Marubeni are stepping in to promote devices such as a wearable health monitor designed by a team from Tokyo University.
The HRS-I system monitors people's health by capturing data - such as electrocardiograph signals and body surface temperature - and then wirelessly transmitting that data to a mobile phone or a PC where a health professional or family member can access it remotely.
Health-related information is collected and analysed by a small sensor attached to the body. Marubeni says it has just launched a campaign to sell 1bn yen's worth of units at a cost of around 30,000 yen mostly to companies that provide health monitoring in Japan.
"We are creating a new business here," says a Marubeni spokesman. "We expect such a business to grow exponentially as future demand for sensing, monitoring, processing and then transmitting such information takes off."
Electronic washlet toilets may be
adapted as health monitors
Japan's mobile phone giants are also getting involved, while the country's infamous hi-tech toilet makers are suggesting the existence of the millions of hi-tech lavatories in houses across Japan could also be adapted as health monitors.
Demand is strong they speculate, not only because of a dearth of home helpers but also because the Japanese do not subscribe on the whole to care homes for the elderly, a hangover from the days when old folks often lived with their married sons or daughters.
Your faithful friendNow that Japan's elderly face a much more lonely dotage some are exploring the idea that technology can be harnessed to keep an eye on the old and sickly using robot pets.
One modest commercial success is Paro, the robotic pet seal - a clean, safe choice for emotional care when Fido or family is not an option.
More than 1,000 Paros have been sold in Japan, where they are used in nursing homes and hospitals, as well as by private individuals.
The Danes too have been impressed. Following a trail in a dementia centre in Copenhagen using 12 Paro robots, the Danish Technological Institute announced that 1,000 of the electronic pets would be introduced in Danish nursing facilities by 2011.
According to its inventor Takanori Shibata from AIST, one of Japan's leading science institutes, Paro was even listed in the Guinness Book of Records as "the world's most therapeutic robot".
But what makes the seal so practical is not its robotic skills but more its seemingly empathic responses.
Thanks to its artificial intelligence and suite of sensors, Paro can grow active or sleepy, show pleasure when held, and get angry when hit. He also understands simple words like greetings and compliments, and responds with calls and facial expressions.
"We have been building pet robots as examples of artificial emotional creatures since 1995," says Prof Shibata.
Electric dreams: This robot seal provides
Alzheimer's patients with companionship
"When we engage physically with a pet robot, it stimulates our affection. Through physical interaction, we develop attachment to the pet robot."
Prof Shibata spent $9m (£5.6m) developing the stationary Paro, which retails for about $2,800 (£1,735). But with only a few thousand sold, like Aibo before it, the robot still remains far from a commercial success.
Robots may have transformed the way cars are made, but for effective care technology, so far, they have only proved useful as a back-up to human care, no matter what Japan's social services mandarins must be dreaming.
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