The sentence "has committed to help" is correct and usable in written English.
You can use it to indicate that someone has made a promise to help or assist in some way. For example, "John has committed to help me set up for the charity event this weekend."
Emory, in return, has committed to helping develop a science-education curriculum for Tibetan learning centres in Dharamsala.
For the short term, Loaded Rock Shows, a booking agency, has committed to helping to move canceled shows to other clubs.
Acoss has committed to helping facilitate the care and integration of children and their families into the community after their release.
Walden O'Dell, the chief executive of Diebold Inc., is an ardent Republican fund-raiser who has committed to "helping Ohio deliver its electoral votes" to President Bush in next year's election.
The South African government has committed to helping with covering the costs of the host cities. "On relieving the financial burden for host cities, there's a joint task team... which will meet with the host cities individually to allay fears," the minister said.
But it also looks like Virgin is going to help make that happen: Boom founder Blake Scholl tells me that Virgin Galactic's space division, The Spaceship Company, has committed to helping build and test the planes, including helping with the supersonic testing when the time comes.
In fact, Hilton has committed to helping at least one million young people by 2019 by connecting with them through our supply chain and volunteer programs, preparing them through our mentorship and training programs, or employing them directly.
Friends in Mauritania also have committed to help.
At least eight nonprofit groups, including Unicef, have committed to help promote the movie to members.
