CONTROL SYSTEM OF WORK MACHINE AND WORK MACHINE

Operation is performed in any one of a first mode that information about the position detected by a position detection apparatus is output as position information related to the position of a work machine, a second mode that information about a position obtained by using both of a particular point as a reference of the work machine obtained before a position determination becomes abnormal and operation information detected by a status detection apparatus is output as the position information, and a third mode that the position information is not output, and when the position determination is normal, operation is performed in the first mode, and when the position determination is abnormal and the work machine is static status, operation is performed in the second mode, and when the position determination is abnormal and the work machine is in a non-static status, operation is performed in the third mode.