How to correctly choose dc motor controller

Many users in the selection of the dc motor controller, will face such a question: what kind of dc motor controller is efficient? Below small make up for how to select dc motor controller. Dc motor controller, when the choice can be rushed to the requirement of load, considering the working conditions and load properties, production technology, the power supply, etc. , as far as possible choose mechanical properties satisfy the dc motor controller. Above is about how to select dc motor controller, do you understand.