173 results about "Accelerated particle" patented technology

The invention discloses a multi-objective optimization method and system for a regional integrated energy system, and the method comprises the steps: constructing a multi-source input sequence sample; inputting a multi-source input sequence sample into the wind power and photovoltaic prediction model for processing, obtaining a current wind power and photovoltaic output optimization prediction result, calculating the current wind power and photovoltaic output optimization prediction result and a really constructed sample, obtaining a combined loss function value to train the model, obtaining the trained wind power and photovoltaic prediction model, processing the sample collected in real time, and obtaining a wind power and photovoltaic output prediction result. Outputting current wind power and photovoltaic output optimal values; and constructing an online optimization model of the integrated energy system, performing online optimization solution on the constructed model by an accelerated particle swarm optimization algorithm to obtain a control strategy of the energy system, issuing the control strategy to the energy equipment, and performing multi-target optimization scheduling. According to the method, the wind power and photovoltaic prediction model is combined with the accelerated particle swarm optimization algorithm, prediction errors are fully considered, and the stability and flexibility of the regional integrated energy system are enhanced.

The invention provides an adaptive weight multi-particle beam flow transmission simulation method and device, and the method belongs to the technical field of particle accelerators, and specifically comprises the steps: dividing a to-be-processed macro particle beam to form a plurality of groups of macro particles; configuring a relative weight for each group of macro particles according to the density distribution characteristics of the macro particle beams; sampling each group of macro particles in combination with the relative weight of each group of macro particles to obtain a corresponding sampling result; determining the weight of each macro particle in each sampling result in combination with the relative weight of each macro particle in each sampling result; determining similarities of a candidate beam bunch and a macro particle beam bunch in different dimensions, wherein the candidate beam bunch is formed by collecting sampling results configured with weights of macro particles; under the condition that the similarity meets a beam dynamics simulation condition, determining the candidate beam bunch as a new macro particle beam bunch; the new macro particle beam is used for replacing the macro particle beam to carry out multi-particle beam flow dynamic simulation, and the evolution process of beam transmission in the accelerator is described.

The invention discloses a particle accelerator multi-particle dynamics efficient simulation method, system and device and a medium. The method comprises the steps that a small number of macro particles are sampled from an initial macro particle beam to form a new macro particle beam; performing multi-particle beam flow dynamics simulation on the new macro particle beams by adopting a PIC algorithm, and projecting the new macro particle beams to four two-dimensional phase spaces in a distributed manner to generate low-resolution phase diagrams of the four two-dimensional phase spaces; obtaining beam physical parameters based on the new macro particle beam; and inputting the low-resolution phase diagram and the beam physical parameters into a beam halo super-resolution network, and outputting a high-resolution phase diagram of each phase space to realize multi-particle beam flow dynamics simulation. Therefore, by combining a traditional numerical calculation method and an artificial intelligence technology, the problem that an existing artificial intelligence algorithm is weak in generalization ability in the field of beam dynamics simulation is solved, rapid and high-precision simulation of the large-scale multi-particle beam flow dynamics process is achieved, and the method is applied to the field of particle accelerator beam dynamics simulation.

The invention discloses a particle accelerator system loop parameter on-line intelligent regulation and control method and device based on a large language model, and the method comprises the steps: obtaining the cavity operation data of a radio frequency cavity in real time, calculating the system state parameter of the current cavity, judging whether the system state parameter meets an adjustment and optimization termination condition or not, and continuing if the adjustment and optimization termination condition is not met; converting the system state parameter and the PI parameter tuning target into a structured system state description described by a natural language, and generating a task execution cue word; analyzing a system state by using a large language model based on the task execution cue word, and reasoning a PI parameter value; analyzing the output of the large language model, accurately extracting PI parameter values, and performing rationality check on the accurately extracted PI parameter values; and performing application execution on the extracted PI parameter value, and repeating the tuning process until tuning is completed. Therefore, an effective solution is provided for automatic PI parameter tuning, and the time cost and professional skill requirements of manual debugging are remarkably reduced while the quality of tuning is ensured.

The invention discloses a magnetic sensor calibration method combining improved particle swarm and ellipsoid fitting. The method comprises the following steps: establishing a magnetic sensor error model; measuring data are obtained by adjusting the posture of the sensor to be corrected; constructing a fitness function of an improved particle swarm optimization algorithm based on the magnetic sensor error model; based on the constructed fitness function, ellipsoid parameters are solved through an improved particle swarm optimization algorithm; and an error compensation model is constructed according to the solved ellipsoid parameters, and sensor errors are compensated. According to the method, three improvement strategies of a dynamic layering mechanism, an elite guidance strategy and self-adaptive adjustment of inertia weight are introduced into the particle swarm optimization algorithm, and while exploration and development are balanced, search of the particle swarm is accelerated, rapid convergence is promoted, ellipsoid parameters are accurately and effectively solved, and high-precision error compensation of the magnetic sensor is realized.

The invention relates to the field of particle accelerators, and provides a wire drawing device and a wire drawing method for a tension wire in a cold shield of a cryostat. The wire drawing device for the tension wire in the cold screen of the cryostat comprises a first bridging pipe, a second bridging pipe and an internal guide body, and the first bridging pipe and the second bridging pipe are inserted into the cold screen from the two opposite sides of a vacuum chamber of the cryostat respectively and connected with a tension wire instrument corresponding to the interior of the cold screen in a sleeved mode; the end, close to the second bridging pipe, of the first bridging pipe is provided with a first reducing section. Due to the fact that the inner diameter of the first reducing section is gradually increased in the direction close to the second bridging pipe, the end, close to the first bridging pipe, of the second bridging pipe can be easily inserted into the first reducing section, and the interior of the first bridging pipe and the interior of the second bridging pipe are communicated to form a wire guiding channel. Therefore, under the condition that the cover plate does not need to be opened, stable and lasting stretching of the linear reference can be rapidly achieved with high precision, the accuracy of deformation monitoring of the cryostat is ensured, and the experiment efficiency is improved.

The present invention relates to the technical field of isotope production equipment and provides a target device for isotope production based on a high-current particle accelerator, comprising: a target chamber and a target assembly; the target chamber having an inner cavity and a side facing the beam having a plurality of beam holes arranged in an array, the beam holes being covered with target windows; the target assembly comprising a target frame; the target frames being arranged in a one-to-one correspondence with the target windows, and at least one mounting position for a target capsule being provided in the target frame in the axial direction of the beam holes; openings being provided on both sides of the target frame, and a plurality of target frames arranged in a preset direction forming a group; the side openings of the target frames in the same group corresponding to each other and forming independent coolant flow channels with the inner wall of the target chamber; each target capsule having a gap on both sides along the axial direction of the beam hole for coolant to flow through; and a plurality of water inlet holes and water outlet holes corresponding to the plurality of coolant flow channels being provided on both sides of the target chamber. This arrangement can effectively reduce the temperature rise of the target material under high beam intensities, enabling isotope production at beam intensities above the milliampere level.

The invention relates to the technical field of particle acceleration, in particular to a dipolar magnet, a combined magnet and a particle accelerator. The two-pole magnet comprises a first saddle-shaped winding and a second saddle-shaped winding which are oppositely arranged along the direction of a central ion beam current to form a main magnetic field structure; the pole head areas of the first saddle-shaped winding and the second saddle-shaped winding respectively extend towards the outer side far away from the central ion beam current direction to form an arch-shaped cavity penetrating through the two ends of the dipolar magnet; the runway-shaped coil comprises a first runway-shaped winding and a second runway-shaped winding, the first runway-shaped winding and the second runway-shaped winding are located in the arch-shaped cavity and correspond to the first saddle-shaped winding and the second saddle-shaped winding respectively, and the pole head area of the first runway-shaped winding and the pole head area of the second runway-shaped winding are adjacent to the pole head area of the saddle-shaped coil. While the contribution of the pole head position to the magnetic field of the good field area of the coil is ensured, the wire turn number density of the deflection section is obviously improved, thereby enhancing the magnetic field intensity.

The invention relates to the technical field of cooling of particle accelerators and nuclear power equipment, and discloses a cooling device suitable for high-power rays, which comprises an absorber assembly, a cooling water system assembly, a vacuum tube assembly, a shield assembly and a support assembly. The absorber assembly is formed by welding internal graphite and external copper through a brazing process, and air holes penetrating to a graphite layer are formed in the copper and communicated with an air cavity in the graphite to form a vacuum sealing cavity. The cooling water system assembly comprises a water segregator with two layers of water inlet ring cavities and two layers of water outlet ring cavities, and uniform flow distribution is ensured. And the absorber cooling water pipe is embedded into the copper and is connected with the U-shaped pipe to form a cooling loop. The electron beam bombards the graphite to generate heat, and the heat is transferred to the copper and taken away by cooling water in the cooling water pipe embedded in the copper. The shield assembly is arranged around the vacuum tube assembly to prevent radiation leakage. The cooling device realizes effective heat dissipation of 8GeV high-power rays, and has excellent radiation resistance and extremely long fatigue life.

The invention provides a beam loss front-end electronics system, a beam loss monitoring method and a beam loss monitoring system, and relates to the technical field of beam diagnosis, the system comprises at least two beam loss monitoring channels which are mutually independent, and each beam loss monitoring channel comprises a signal acquisition assembly and a signal output assembly, wherein the signal acquisition assembly is used for receiving a beam loss signal sent by a beam loss detector; the signal output assembly is used for determining a threshold voltage corresponding to the beam loss monitoring channel based on a preset beam loss parameter, and outputting a beam loss output signal based on the beam loss signal and the threshold voltage; the beam loss output signal comprises an original signal, an electric pulse signal and an optical pulse signal; the preset beam loss parameters are used for representing monitoring indexes of particle beams corresponding to different types of particle accelerators. According to the invention, the application range can be greatly expanded, and the applicability and the monitoring sensitivity are greatly improved.

The invention discloses a rotary positioning device of a particle accelerator, a control method and a treatment system, the rotary positioning device comprises a first guide piece, a second guide piece and a clamping device, one end of the first guide piece is connected with the second guide piece, and the other end of the first guide piece is connected with the clamping device; the first guide piece can slide relative to the second guide piece, the second guide piece can rotate around a fixed shaft, and the clamping device is used for clamping the particle accelerator and enabling the particle accelerator to rotate around a circle center shaft of the particle accelerator; wherein the first guide piece and the second guide piece are matched with each other to move, so that the particle accelerator moves on a circular arc with the to-be-treated part as the circle center, and the clamping device controls the particle accelerator to rotate in the process of moving on the circular arc, so that a beam outlet of the particle accelerator always faces the to-be-treated part. The rotary positioning device has the advantages of being easy to install, small in size and the like, the occupied space is smaller, and the rotary positioning device is easier to control in the actual application process.

A particle accelerator includes an acceleration cavity chain and at least one energy switch side cavity. The energy switch side cavity is communicated with two adjacent main cavities in the acceleration cavity chain through coupling openings respectively. The energy switch side cavity includes a pair of asymmetric side cavity noses arranged therein and an energy switch probe arranged at a top position thereof. The energy switch probe is configured to extend from the top position of the energy switch side cavity to a space between the pair of side cavity noses.

The invention relates to an isotropic thermal neutron radiation field angle distribution uniformity control device and method, and the device is characterized in that a particle accelerator is used for emitting a high-energy charged particle beam with a beam position; the beryllium target is placed along the emission line of the high-energy charged particle beam, and the high-energy charged particle beam bombards the beryllium target to generate charges; the insulation isolation gasket is wound on the outer side of the beryllium target and prevents the charges from being led out from the outside through the beryllium target; and the adjusting assembly is connected with the beryllium target and used for acquiring the electric charge quantity on the beryllium target, and is connected with the particle accelerator and used for adjusting the angle of the high-energy charged particle beam irradiating to the beryllium target. According to the invention, the purposes of preventing the charges from being exported outwards based on the insulation isolation gasket and obtaining the charge quantity by the adjusting assembly to adjust the particle accelerator are achieved, so that after the insulation isolation gasket with low cost is used for isolation, the charge quantity is detected to adjust the particle accelerator, and the technical effect of effectively saving the cost is achieved.

The invention discloses a beam debugging method, device and equipment for a particle accelerator and a medium, relates to the technical field of accelerator debugging, and aims to enable each iteration process to have clear data support and ensure the accuracy of a beam debugging result by splitting an accelerator beam debugging process into a stage-cured reproducible process. The method comprises the following steps: creating flow configuration information of a particle accelerator according to a beam debugging task; on the basis of setting a debugging target, performing iterative debugging on the particle accelerator by using the process configuration information so as to generate setting information of a control variable according to an observation variable obtained by each iterative debugging; applying the setting information of the control variable to the actual particle accelerator and / or the virtual particle accelerator to obtain the current beam state output by the actual particle accelerator and / or the virtual particle accelerator; and if the iteration debugging process meets the iteration termination condition, generating a first beam debugging result according to the current beam state.

The invention provides a particle accelerator beam pipeline support member design method and a support system, and relates to the technical field of particle accelerators, and the particle accelerator beam pipeline support member design method comprises the following steps: classifying devices on a beam transport line into interference source devices and sensitive devices based on the electromagnetic characteristics of the devices and the structural relationship between the devices and a beam pipeline; supporting pieces are independently configured for a beam pipeline and various devices, and specific electrical isolation, grounding and filtering measures are adopted for different device types: an interference source device is connected with an electrostatic protection ground and is added with a filter; sensitive equipment and a beam pipeline are electrically isolated and are connected with a signal ground. Through systematic supporting and grounding architecture design, a coupling path of electromagnetic interference is fundamentally cut off, electromagnetic noise on a beam pipeline is remarkably reduced, a clean reference ground is provided for beam diagnosis and other weak signal systems, and high-reliability and high-precision operation of an accelerator is guaranteed.

The invention discloses an FPGA-based particle accelerator beam position real-time self-calibration system, which comprises a beam acquisition and conversion module and an FPGA processing module, and is characterized in that the beam acquisition and conversion module is used for acquiring an analog signal of a beam in a particle accelerator pipeline, amplifying the analog signal and outputting the amplified analog signal to the FPGA processing module; the amplified analog signal is converted into a digital signal; the FPGA processing module is used for receiving the digital signals from the beam acquisition and conversion module in real time, performing digital filtering processing on the digital signals of the beam by using an LMS algorithm optimized by a genetic algorithm, then constructing a random forest prediction model, performing analysis and prediction on the filtered digital signals of the beam through the random forest prediction model, and outputting the result. And the current of the magnet and the voltage of the deflection plate are dynamically adjusted according to the analyzed and predicted result, so that the self-adaptive adjustment of the beam position of the particle accelerator is realized. According to the invention, the adaptive capability of the system is enhanced, so that the beam position of the particle accelerator is controlled more accurately and dynamically.

The application discloses a strip type NEG (Non Evaporable Getter) pump for a particle accelerator and a use method thereof. The pump comprises a getter assembly, a fixing part, a vacuum flange and an electrode. One end of the getter assembly is provided with the fixing part, the fixing part is fixedly connected with one side of the vacuum flange, the other side of the vacuum flange is provided with the electrode, and the getter assembly is electrically connected with the electrode. The getter assembly comprises two or more getter strips, each getter strip is arranged side by side and fixedly connected with the fixing part at one end, and a gap is reserved between two adjacent getter strips. The use method is that the strip type NEG pump is inserted into a vacuum chamber along the axial direction of the vacuum chamber and then fixedly installed, each getter strip is parallel to the axis of the vacuum chamber, the vacuum flange is fixedly installed with the side wall of the vacuum chamber, and the electrode is externally connected with a power supply device. The application can effectively improve the uniformity of vacuum distribution, maintain a high vacuum degree, avoid misfiring of a beam, has a simple structure, is convenient to install, and can be adapted to the installation requirements of the accelerator vacuum chamber in a large range.

The invention provides a cyclotron electrostatic deflection plate beam loss heat source reconstruction method, and relates to the technical field of particle accelerator thermal analysis and multi-physics field coupling calculation, and the method comprises the steps: 1, configuring beam dynamics simulation parameters, multi-particle tracking is carried out under a three-dimensional field graph containing a central area electromagnetic field, a harmonic coil magnetic field and an electrostatic deflection electric field, and a particle loss list is generated; step 2, transferring the particle loss list into a beam source file of a Monte Carlo radiation transport program, configuring Monte Carlo parameters including a deflection plate material, a boundary, a particle type and an energy spectrum, executing particle transport simulation, and obtaining a three-dimensional energy deposition matrix on an electrostatic deflection plate element; according to the method, high-resolution heat source reconstruction is realized, the peak temperature rise calculation error of the deflection plate can be reduced, a temperature field solving result can be fed back to optimize the particle source, and a reliable basis is provided for thermal structure design and cooling optimization of the electrostatic deflection plate.

The invention relates to the technical field of particle accelerators, and provides a medium-assisted acceleration structure and method for realizing low loss and high acceleration gradient by using a low-temperature environment. The structure comprises a medium-assisted acceleration structure body and a low-temperature maintenance and control system, the medium-assisted acceleration structure body comprises a medium layer and a metal cavity to provide electromagnetic field distribution, and the low-temperature maintenance and control system is integrated on the body to maintain the working temperature of the body to be less than or equal to 77K, reduce resistance and dielectric loss and improve a radio frequency breakdown threshold; according to the invention, the radio frequency breakdown threshold is increased at a low temperature, so that the acceleration structure stably operates under higher electric field intensity, and the particle energy gain is increased; the metal resistivity and the dielectric loss are synchronously reduced, the total power loss is reduced, and the energy efficiency is improved; micro-discharge and gas desorption effects are inhibited, the structural stability is improved, and the service life of equipment is prolonged; through low-temperature adaptive design and systematic integration, electromagnetic performance and mechanical reliability are ensured, and the synergistic advantage of low temperature and medium assistance is exerted.

The invention relates to the technical field of particle accelerators, in particular to a compact rotary thin-wall beam transmission vacuum system and a design method. The beam transmission vacuum system comprises: a first transmission unit, one end of which is provided with a first bifurcated thin-wall dipolar iron vacuum chamber to form a first branch and a second branch; one end of the second transmission unit is connected with the second branch, and a second bifurcated thin-wall dipolar iron vacuum chamber and a third bifurcated thin-wall dipolar iron vacuum chamber are sequentially arranged in the second transmission unit to form a third branch, a fourth branch and a fifth branch; the fixed treatment terminal is connected with the first branch; and rotating the treatment terminal to provide the beam to one of the plurality of treatment rooms in an alternative manner. According to the invention, an intensive architecture that a single rotary treatment terminal provides particle beams for a plurality of treatment rooms at the same time is adopted, so that the equipment manufacturing cost is greatly reduced, the equipment utilization rate is improved, and the treatment cost is reduced.

The present invention provides a method and device for increasing the beam duty cycle by using colored noise, and relates to the field of particle accelerators and signal processing technology. The method comprises: generating a digital noise signal through a finite impulse response filter; converting the digital noise signal into two branch signals of equal magnitude and opposite sign through a phase shifter; and loading the two branch signals onto a transverse electrode plate after each of the two branch signals passes through an attenuator, an amplitude modulator, an impedance converter, and an all-pass network in sequence, thereby obtaining an extracted beam subjected to transverse excitation. The present invention can effectively improve the impact of the current traditional RF-KO sweep mode on beam extraction, making the time structure of the slow extraction beam more uniform, promoting the widespread application of precise point scanning, and improving treatment efficiency.

The present invention relates to an RI manufacturing apparatus including an accelerator, a target irradiated with a particle beam of an accelerated particle emitted from the accelerator, and an incident angle adjustment mechanism that adjusts an incident angle of the particle beam to the target. The apparatus further comprises a target attachment and detachment device attached to the accelerator.

The invention relates to an experimental platform for particle accelerator material irradiation, which comprises a six-dimensional mechanical arm, a camera and light spot identification system, a rotary grasping clamp and an integrated control system, and is characterized in that the camera and light spot identification system is used for acquiring a particle beam light spot image on a scintillator in real time, and transmitting data to the integrated control system; the integrated control system accurately calculates the real-time spatial position deviation of the sample relative to the center of the irradiation beam; then the six-dimensional mechanical arm is driven to dynamically adjust the posture compensation deviation, and meanwhile, the rotary gripper is controlled to stably clamp the sample and rotate by 360 degrees, so that accurate and flexible positioning, uniform irradiation, stable clamping and real-time monitoring and correction of the sample are realized, and the precision, reliability and efficiency of an experiment are improved; and an efficient, stable and intelligent experimental tool is provided for particle accelerator material irradiation research.

The invention provides an online self-checking method and system for a parallel plate ionization chamber and a beam loss monitoring system, and relates to the technical field of particle accelerators, the parallel plate ionization chamber comprises a bias pole plate and a signal pole plate, and a composite voltage formed by superposing a DC bias voltage and a preset low-frequency AC oscillation voltage is applied to the bias pole plate; a test current with the same frequency as the low-frequency alternating-current oscillation voltage is induced on the signal pole plate by using the natural capacitance between the bias pole plate and the signal pole plate; the test current is collected and analyzed to obtain at least one preset characteristic parameter, and the characteristic parameter comprises a quantity related to the magnitude or period of the test current; and comparing the characteristic parameters with a preset reference value so as to judge the health states of the parallel plate ionization chamber and the signal measurement link thereof. According to the invention, a radioactive source and a complex mechanical structure do not need to be additionally arranged, and online self-inspection with high reliability and comprehensive diagnosis of the parallel plate ionization chamber can be remotely realized.

The present disclosure provides an ultra-thin vacuum transition device and pressure difference elimination system, which can be applied to the field of particle accelerator technology. The vacuum transition device comprises: a vacuum transition film configured as a non-metal film with a thickness less than 0.1 mm, two sealing connectors respectively arranged on both sides of the vacuum transition film and connected to a particle beam pipeline. The vacuum transition device can realize the transition of the vacuum gradient in a super wide range while greatly reducing the energy loss of the particle beam. The pressure difference elimination system can accurately control the pressure on both sides of the vacuum transition film during the vacuum pumping and air amplification stages, thereby eliminating the pressure difference on both sides of the vacuum transition film during use to avoid bearing a large gas pressure, which can significantly reduce the risk of film structure damage, greatly increase the service life of the vacuum transition film, and ensure that the ultra-thin film structure vacuum transition device can realize long-term safe and stable operation.

This invention provides a multi-cavity tuner control system and method for high-frequency cavities in particle accelerators, belonging to the field of particle accelerator technology. The system includes: a field-programmable gate array (FPGA) communicatively connected to multiple high-frequency cavities, used to acquire cavity sampling signals and incident reference signals from the multiple high-frequency cavities, and generate corresponding phase difference information for the high-frequency cavities based on the cavity sampling signals and incident reference signals; an embedded computer communicatively connected to the FPGA, used to generate control commands based on the phase difference information; and multiple tuner actuators, each corresponding to a high-frequency cavity, which are communicatively connected to the embedded computer via an industrial Ethernet bus, used to adjust the resonant frequency of the corresponding high-frequency cavity according to the control commands. This invention achieves high-precision, high-synchronization, and automated tuning of the multi-cavity tuner.

The invention provides a rotary measurement rapid positioning system and method suitable for a multi-tonnage electromagnet, and relates to the field of particle accelerators. The rotary measurement rapid positioning system suitable for the multi-tonnage electromagnet comprises a photogrammetry device, two adjusting devices and a rotating device, wherein the photogrammetry device is arranged on the periphery of the electromagnet. The spatial position of the magnetic coil adjusting platform is adjusted through the three-dimensional adjusting platform, the magnetic coil adjusting platform is controlled through the adjusting control module to adjust the spatial position of the rotary measuring magnetic coil, and due to the fact that an adjusting object is the rotary measuring magnetic coil with the light weight instead of a magnet, direct adjustment of an electromagnet with the large mass is avoided; therefore, the reliability and the efficiency of rotary measurement positioning are improved. In addition, the rotary measurement rapid positioning system can monitor and adjust the deviation, exceeding the range, of the rotary measurement magnetic coil and the electromagnet in the magnetic field measurement process in real time, and the rotary measurement precision is further ensured.

A method of manufacturing a cyclotron (10) for producing a beam (18) of accelerated particles comprises the following steps: A cyclotron set-up is defined, the cyclotron set-up including a number of sectors (12) having an RF cavity (14, 16) of the cyclotron (10), an arrangement of the sectors (12) relative to each other and a cavity type for each of the sectors (12) selected from the group comprising acceleration cavities and flattop cavities. Then, a beam path in the cyclotron (10) is determined for a default operation mode and at least one beam path in the cyclotron (10) is determined for a cavity failure mode in which the radio-frequency cavity (14, 16) of one or more of the sectors (12) is not operational. A position of an extraction device (20) of the cyclotron (10) within the sectors (12) is calculated based on the determined beam paths, and the extraction device (20) is placed at the calculated position. Further, a cyclotron (10) and a method for operating a cyclotron (10) is described.

Aspects herein describe new methods of determining optimal actions to achieve high-level objectives based on an optimized chosen statistic. At least one high-level objective, along with various observational data about the world, is identified by a computational unit. The computational unit determines, through a particle method, an optimal course of action. The particle method is doubly-exponentially accelerated based on one or more acceleration methods. The doubly-exponentially accelerated particle method comprises alternating backward and forward sweeps of a coupled induction loop to optimize a selection policy and test for convergence to determine said optimal course of action. The doubly-exponentially accelerated particle method may be applied in multiple different time scales.