This chapter describes the basic concepts as well as the various methods and apparati in current use for the measurement of torque and power; the measurement of speed, or more precisely, angular velocity, is discussed elsewhere [1]. 展开 ...
Electric power utilities must ensure a consistent and undisturbed supply of power, with the voltage levels adhering to specified ranges. Any deviation from these supply specifications can lead to malfunctions in equipment. Monitoring the quality of suppl
The theoretical power is the sum of inverter (2) and induction motor (3) losses and the power (set torque x angular velocity) delivered to the final drive (4). Set torque is determined by the driver through accelerator (8) and brake (9) pedal positions, transmitted by sensors (6,7) ...
we analyzed the transmitted power capacity of gear system and torque, angular velocity of ball screw, because we are to select the appropriate servo motor... 홍용,김현식,고유곤,... - 한국공작기계학회 2008 추계학술대회 논문집 被引量: 1发表: 20...
angular velocity of the portion of the steering mechanism, an electric motor (1) operatively connected to the steering mechanism, a signal processing unit (6) adapted to receive the two output signals and to produce therefrom an overall torque demand signal representative of a torque to be ...
DC motor: mathematical model UM3022 Plant The mathematical laws for the DC motor are: • the torque of the motor is related to the armature current by a constant factor: T = Kt i • the back electromotive force relates wi...
4.3. Angular momentum and torque requirements The attitude dynamics of the reflector is governed by the Euler equation:(47)Ḣtot+ωr×Htot=Textwhere term Htot is the total angular momentum of the reflector and ωr is its angular velocity. The reflector angular momentum is given by the sum...
: ð3Þ Figure 1c,d graph wavevector and Poynting vector angular directions in the NLC versus the two free parameters, that is, director orientation x and angle of incidence bin (in the interval [ À 15° 0°]); we set njj ¼ 1.7 and n? ¼ 1.5 as in the E7 mixture at ...
outputting gain data, means 23 for, when the steering angular velocity remains within a predetermined range, outputting gain data, means 24 for, when the provided vehicle speed is higher than a predetermined rate, outputting gain data, and means 19 for multiplying each gain data and the control...
where R is rotor radius and Ω is the angular speed. 4.4.2.1 Runoff measuring Measuring the flow of running waters can be made by three different methods: measuring the stream velocity, measuring the water level, and measuring tracer concentration [5]. • Measuring stream velocity: the flow...