9 results about "Binary control" patented technology

The invention relates to a manually-adjusted high-power broadband attenuation control device and method. A first adjusting unit provides discrete gears corresponding to different first attenuation values, and a second adjusting unit provides discrete gears corresponding to different second attenuation values. The processing module determines an attenuation value according to input information of the first adjusting unit and the second adjusting unit, calculates a target attenuation value, converts the target attenuation value into a 6-bit parallel binary control code, and outputs the 6-bit parallel binary control code to the program control attenuation module through a parallel interface. And each bit of the control code corresponds to a weighted attenuation bit, so that independent start and stop of the attenuation unit are realized. The method comprises the steps of detecting a pin level, determining an attenuation value, calculating a target value, generating a control code and outputting an instruction. And when the target attenuation value exceeds 63dB, forcibly outputting a maximum attenuation instruction. According to the scheme, the operation process is simplified through a two-stage adjustment framework, the response speed is improved through parallel direct drive control, the full-band signal attenuation stability is guaranteed through the metal shielding shell integrated design, and the high-power test device is suitable for a high-power test scene of the frequency band of 0.5-40 GHz.

An electronic unit comprising a microcontroller (μC) having a control input (μC_sw), at least one control output (μC_ctl1) and a signal input (μC_rx), and an interface circuit (IF) having at least one connection terminal (IF_ext1), a control output (IF_ctl), a control input (IF_sw1) and a signal output (IF_tx). The control output (IF_ctl) is electrically connected to the control input (μC_sw), the control output (μC_ctl1) is electrically connected to the control input (IF_sw1), and the signal output (IF_tx) is electrically connected to the signal input (μC_rx). Both the microcontroller and the interface circuit have a respective first operating mode (μC I ; IF I ) and at least one respective second operating mode (μC II ; IF II ). The microcontroller is designed to output an instruction at the control output (μC_ctl) in the operating mode (μC I ) which causes the interface circuit to operate in the first operating mode, and the interface circuit is designed to differentiate an input signal (e1) applied at the connection terminal (IF_ext1), that is to say to convert the input signal into a differentiated signal (a1) which represents the differential of the input signal over time, and to generate a binary control signal using the differentiated signal (a1) and to output the binary control signal at the control output (IF_ctl) at least in the first operating mode (IF I ). The microcontroller is additionally designed to output an instruction at the control output (μC_ctl1) in the operating mode (μCII) which causes the interface circuit (IF) to operate in the operating mode (IF II ), and the interface circuit is designed to convert a digital input signal applied at the connection terminal (IF_ext1) into a binary output signal (sD1) which represents the digital input signal in the operating mode (IF II ), and to output the output signal at the signal output (IF_tx). The microcontroller (μC) is additionally designed to receive and process a digital input signal applied at the signal input (μC_rx) in the operating mode (μC II ).

This invention relates to the field of intelligent transportation technology, and provides a method and system for dynamic control of emergency lanes in highway accident scenarios. The method includes: acquiring accident reporting information; using a deep learning network model to predict the accident handling time; based on the accident handling time, using a traffic wave model to predict the queue length and dissipation time under the impact of the accident; using the queue length under the impact of the accident as the total length of the controlled road segment and discretizing it into segments; using the dissipation time under the impact of the accident as the control duration and intervalizing it; constructing a binary control strategy combining time windows and spatial segments; constructing an objective function with the goal of minimizing the weighted average of total travel time and total collision exposure time; solving the objective function using a Kriging surrogate model; and obtaining the dynamic control strategy for the emergency lane based on the binary control strategy. This improves the response speed of accident handling.

An LED light emitting diode driver (100), the LED driver comprising: an electrical driver output (182') to which the LED driver (100) is arranged to provide a current in dependence on a binary control signal; and a timer function (132') configured to update a timer counter variable at a timer frequency, the timer function (132') being configured to compare, for each update, the timer counter variable to a set comparison value, and the timer function (132') being configured to cause the binary control signal to switch between a first binary state and a second binary state in the event that the timer counter variable has reached the set comparison value, wherein a duration of a repeating control signal pattern of the binary control signal is longer than a time taken for the timer counter variable to complete a full cycle, and wherein the LED driver (100) is arranged to update the set comparison value at least twice during each individual control signal pattern.

An LED light emitting diode driver (100), the LED driver comprising: a binary control signal source arranged to provide a binary control signal based on a repeating control signal pattern having a time average; a first channel electrical driver output (182') arranged to provide a drive current based on the binary control signal to drive an LED (10); a power transistor (181) having a power transistor control terminal (181a); and a drive circuit (140) connected to the power transistor control terminal (181a), the drive circuit (140) comprising a switch (150) arranged to provide an electrical coupling between the power transistor control terminal (181a) to a low voltage (153) or a high voltage (154) depending on a momentary low or high value of the binary control signal, the drive circuit (140) further comprising a variable resistance portion (160) arranged to provide a variable resistance along the electrical coupling, the variable resistance varying with the time average of the binary control signal.

The invention relates to a control method for controlling a system comprising a plurality of N binary-selectable members, solicited in order to contribute together additively to an output quantity, which the system must make coincide as closely as possible with a setpoint quantity, wherein each selectable member (Ck) is activated by a binary control command uk, the method comprising repetition of the steps of: - acquiring a setpoint quantity; - acquiring at least one state (SOCk) of each selectable member; - determining a set of constraints to be complied with; - using a Pontryagin maximum principle algorithm to determine adjoint states with a Hamiltonian quantity to be minimised; - using a mixed-integer linear programming solver module to determine a minimum of the Hamiltonian quantity while complying with the set of constraints, in order to deduce therefrom an optimal control vector u* to be applied.

The application discloses an improved circuit of a PLL phase-locked loop based on a multi-channel feedback loop, and the whole PLL system circuit comprises a low-pass filter, a voltage-controlled oscillator, an improved high-order frequency divider, a multi-channel retiming circuit, a three-way frequency discriminator and a phase discriminator and a charge pump; the improved high-order frequency divider comprises an improved high-order modulator based on a traditional mash1-1-1 and a multi-mode frequency divider. The application multiplies a set fractional frequency division ratio by 4, takes the fractional part of the obtained result as the input of the mash1-1-1, adds the integer part and the output sequence of the mash1-1-1 to obtain a new output sequence, divides the new output sequence by 4, and converts the positive fractional part into a two-bit binary control code s<1:0>. The remaining integer is taken as the output of the modulator and added to the multi-mode frequency divider to control the change of the frequency division ratio. The multi-channel retiming circuit selects CK1 and CK2 generated based on the output clock of the voltage-controlled oscillator according to s<1:0>, the clock periods of the two clocks are different by 1Tvco, and the quantization step is reduced from 1*Tvco to 0.25*Tvco.

This application provides a dynamic load adjustment method and apparatus for an offshore photovoltaic (PV) power generation system. The method is applied to a microcontroller unit in a load adjustment system connected to both the offshore PV power generation system and an energy storage system. The load adjustment system also includes an adjustable load bank and an environmental monitoring unit. The method monitors the first real-time output power of the offshore PV power generation system and the second actual output power of the load bank through the environmental monitoring unit. The second actual power is compared with the first actual power to obtain a comparison result. Based on the comparison result, a binary control method is used to adjust the load bank's level step by step, while simultaneously coordinating the charging and discharging of the energy storage system. This method achieves precise dynamic matching between the offshore PV power generation and the load power, ensuring a balance between system power supply and demand and efficient energy consumption.

The invention relates to the technical field of intelligent traffic, and provides an emergency lane dynamic management and control method and system in a highway accident scene. The emergency lane dynamic management and control method in the highway accident scene comprises the following steps: acquiring accident report information, and predicting accident handling time by adopting a deep learning network model; based on the accident handling time, a traffic wave model is adopted to predict the queuing length and the dissipation time under the influence of the accident; taking the queuing length under the influence of the accident as the total length of a controlled road section, and performing segmentation discretization; taking the dissipation time under the influence of the accident as the management and control duration, and carrying out interval processing; constructing a binary management and control strategy combining a time window and a space segment; constructing a target function by taking weighted minimization of the total travel time and the total collision exposure time as a target; and solving the target function by adopting a Kriging agent model, and obtaining an emergency lane dynamic management and control strategy according to a binary management and control strategy. And the response speed of accident treatment is improved.