Quid est servo ratio? Etiam notum est servo ratio, servo ratio est basic link of automation system, est compositum ex multis components et partes habere potestatem amplificationem effectus ex aliquo automatic imperium ratio. Secundum formare corporalis proprietatibus systematis components dividitur in electrica servo ratio, electrica Hydraulicos Servo ratio et electrica pneumatica servo ratio. Electrical servo system is divided into a dc servo system and ac servo system, and is widely used in the 1970 s dc servo, dc motor, wide speed range and start to stop convenient, large torque, small energy consumption system, and widely applied to the control in the servo system performance requirements are higher. Quid est excitatio imperium? DC Servo ratio est idoneam ad vim range est valde lata, comprehendo a dozens de Tellus ad decem kilowatts imperium obiectum. Plerumque ex visu improvidus ratio efficientiam considerationem, DC Servo system magis applicantur ad imperium obiectum in magis quam C watts potentia. Et output de DC motor torque addere ad armature current et magnetica flux produci ab excitando current. Fluxus figitur, maius armature current, maior motor torque. Cum armature current certa, crescere magnetica flux potest crescere torque. Ideo per mutantur excitationem current et armariis vena, potest esse control DC motor torque. Ad control armature current dixit armariis potestate cum imperium voltage in armatura. Si ad control excitation current, deinde adde imperium intentione in agro curva, quae excitatio imperium. Armature potestate, armature inductance plerumque parva, ergo armature potestate potest accipere bonum responsum. Defectus est onus potentia provisum a imperium potentia copia armature, sic opus maior imperium potentia, augeri multiplicitate potestatis amplificet unitas. Quod potestas potestate maior systems, exempli gratia, necesse estote - Electric generator Controller Unit, Motor Controller Enlarger et Thyristor Power Amplifier components. Excitation Control Requirements in Armature et constans current potestate copia, ut ad torque motricium excitation current imperium. Constans current proprium peritus ad magnum resistentiam in armature loop (X temporibus ad armature resistentia) ad eam. Nam princeps potentia potestate obiecti, serie resistentia potentia consummatio erit valde magnus valde oeconomica. Ita excitationem imperium in humilis potestate usum tantum. Armature after power supply with constant current source, on the mechanical properties of the slope is equal to zero, cause the electromechanical time constant increase of motor controller, combined with the excitation winding inductance of the larger, these all make the dynamic behavior of the excitation control is poorer, response is slow.