163 results about "Half wave" patented technology

The utility model discloses a low-ripple rectification voltage doubling circuit, which relates to the field of voltage doubling rectification and comprises a first-stage voltage doubling module, a second-stage voltage doubling module, a third-stage voltage doubling module and a fourth-stage voltage doubling module, the second-stage voltage multiplying module is used for carrying out voltage multiplying on the input negative half-cycle voltage; the transformer is used for connecting outputs of the first-stage voltage-multiplying module and the second-stage voltage-multiplying module in parallel and converting an output result into high-voltage electricity; the bridge rectifier module is used for rectifying the high-voltage electricity and outputting direct-current voltage; one end of the primary voltage-multiplying module is respectively connected with one end of the secondary voltage-multiplying module, one end of the transformer and one end of the bridge rectifier module, and the other end of the secondary voltage-multiplying module is connected with the other end of the bridge rectifier module and the other end of the transformer. The two groups of half-wave voltage doubling circuits provided by the utility model are applied on the circuit in a staggered manner, the circuit structure is simple, the cost is low, the economic benefit is high, two groups of pulse voltages with complementary phases are output, and the output voltage ripples are greatly reduced.

Method for detecting the position (S) of an accelerator pedal (2) of a motor vehicle (3), in which an accelerator pedal raw signal (7), which describes the position (S) of the accelerator pedal (2) as a function of time (t), is detected and the accelerator pedal raw signal (7) is smoothed, characterized in that half-waves (8) of the accelerator pedal raw signal (7) are determined, on the basis of the determined half-waves (8) a state of instability during an actuation of the accelerator pedal (2) is detected and the accelerator pedal raw signal (7) is smoothed if the state of instability is detected.