This had been set up because people had "asked" for it, Mr Duncan Smith added.
BBC: Duncan Smith 'relaxed' over well-off pensioner paybacks
But Mr Duncan Smith conceded the coalition's changes would take a "little while" to bear results.
Mr Duncan Smith said his plans were designed to reduce welfare dependency and make work pay.
BBC: Long-term jobless 'could face compulsory manual labour'
There is little doubting Mr Duncan Smith's resolve to press on with the shake-up.
Mr Duncan Smith is urging businesses, councils and voluntary groups to help support families.
Mr Duncan Smith announced the setting up of a scheme to stop social breakdown.
Outside Jonathan Smith and Charli Saben Fox explained why they had interrupted Mr Duncan Smith's speech.
The attacks also eclipsed the election of Iain Duncan Smith as leader of the Conservative opposition.
In contrast to Mr Duncan Smith, his private office has been a model of efficiency.
MPs drew the conclusion that deposing Mr Duncan Smith had become a patriotic duty.
Meanwhile, Iain Duncan Smith did it again - he must have a new script writer.
Alex Attwood was speaking after meeting Iain Duncan Smith, the Work and Pensions Secretary, on Thursday.
Scottish Enterprise Minister Fergus Ewing will also attend the meeting with Iain Duncan Smith.
BBC: Gordon Brown in talks over future of Fife Remploy factories
The charges now being made are themselves a direct consequence of Mr Duncan Smith's poor leadership.
Mr Duncan Smith confirmed his decision not to join during an interview with the Spectator magazine.
But Work and Pensions Secretary Iain Duncan Smith said Labour's motion was "absolutely ludicrous".
Plaid Cymru's Treasury spokesman, Jonathan Edwards, said Mr Duncan Smith's proposal had not been well thought out.
But Work and Pensions Secretary Iain Duncan Smith insisted the reform was on time and on budget.
The IT systems would be phased in to ensure they worked properly, Mr Duncan Smith told MPs.
On Monday, Work and Pensions Secretary Iain Duncan Smith insisted changes to the welfare system were fair.
Welfare: The welfare reform proposals have been the longest time coming, the brainchild of Iain Duncan Smith.
Then Mr Duncan Smith hit his target with a powerful attack over the government's record on crime.
Mr Blair had talks on Monday at Number 10 with the new Tory leader, Iain Duncan Smith.
And despite the backstage whispers, as another conference season arrives, Mr Duncan Smith is still in place.
The BBC understands Mr Duncan Smith was offered the job of Justice Secretary but turned it down.
BBC: Cabinet reshuffle: Lansley replaced by Hunt in health job
The Conservatives are now "the party of the poor, " Work and Pensions Secretary Iain Duncan Smith has said.
In a BBC interview, Mr Duncan Smith defended his housing benefit reforms saying the current system was unfair.
Even if Mr Duncan Smith wanted to distance himself from hard-liners and Eurosceptics, he would find it difficult.
The Centre for Social Justice was set up by Work and Pensions Secretary, Iain Duncan Smith, in 2004.
Mr Duncan Smith had over-stepped his authority, blurring the lines between the party organisation and the leader's office.
应用推荐