4909 results about "Filter system" patented technology

Methods of operating candle filter systems for removing solids from MEG recovered from drilling fluids include passing an MEG rich stream to a candle filter system comprising a plurality of candle filter units in parallel, determining a concentration of TDS in the MEG rich stream, determining whether to operate the candle filter system in a low TDS mode or a high TDS mode based on the concentration of TDS the MEG rich stream, filtering the MEG rich stream in the plurality of candle filter units to produce a filtrate and a filter cake, determining to conduct a cleaning cycle of the candle filter units based on a pressure differential, and conducting a cleaning cycle to remove the filter cake from the outer surfaces of the filter candles. The cleaning cycle is modified to improve removal of solids from the filter candles of the candle filter units.

A filtration system for a dry bulk tank trailer includes a filter canister containing a filter media in the interior volume of the filter canister. The filter media divides the interior volume of the filter canister into a dusty air side and a clean air side of the interior volume on opposite sides of the filter media. A dusty air line operatively communicates the dusty air side of the interior volume with the dry bulk tank. A fitting operatively communicates with the clean air side of the interior volume. The fitting is operable to selectively communicate a vacuum pressure and a positive pressure to the clean air side of the interior volume.

A storm water trough filter system is mountable in a storm vault having interior walls and a storm water inlet formed in at least one of the interior walls which allows storm water to flow therethrough and into the storm vault. The storm water trough filter system has at least one trough section which defines a water trough for receiving storm water flowing into the storm vault through the storm water inlet thereof. The storm water trough filter system further includes at least one mounting bracket which is affixable to at least one of the interior walls of the storm vault, the at least one trough section being mountable on the at least one mounting bracket. The storm water trough filter system further includes a filtering apparatus having a water permeable filtering medium. The water trough defined by the at least one trough section is in fluid communication with the water permeable filtering medium of the filtering apparatus to direct storm water received by the water trough to the filtering medium of the filtering apparatus.

The invention relates to the technical field of signal filtering, in particular to an inertial device signal filtering system and method based on deep learning, and the method comprises the following steps: firstly, obtaining sensor data from an inertial measurement device, and preprocessing the sensor data; a signal processing model is constructed, the signal processing model is composed of a feature extraction layer and a time sequence compensation layer, multi-dimensional features are extracted through an attention mechanism and a convolution sub-layer, and low-noise signal output is achieved through a short-term sub-layer, a long-term sub-layer and a residual compensation sub-layer; a Kalman filter is used in the filtering model, a noise matrix and an observation matrix are updated in real time through a noise self-adaption layer and an observation updating layer, fusion filtering of low-noise signals is achieved, and accurate carrier attitude information is output; the method effectively improves signal filtering precision and dynamic adaptability, and is suitable for inertial equipment attitude estimation in a complex environment.

The invention provides an intelligent meter abnormal reading filtering system based on an elastic time window. Self-adaptive recognition and filtering of abnormal reading are achieved through multi-stage modular processing. The system firstly forms an original reading sequence; calculating a fluctuation index of each sampling moment in the original reading sequence based on a preset statistical fluctuation algorithm, and generating a fluctuation sequence; generating a time window parameter set through an elastic adjustment function according to the fluctuation degree sequence; extracting a context subsequence according to the time window parameter set, extracting a time sequence feature and a frequency domain feature in the subsequence, and fusing to form a context fusion feature; calculating an abnormal confidence coefficient sequence based on the abnormal scoring function, performing abnormal filtering on the original reading sequence according to a preset confidence coefficient threshold value, and outputting a filtered reading sequence; according to the system, through fusion of the elastic time window and the multi-dimensional features, the abnormal reading recognition accuracy is effectively improved, and the system is suitable for real-time data quality control of the intelligent meter in a complex power application scene.

A control mechanism for self-cleaning filtration systems. One embodiment is a controller for a filtration system that comprises a suction scanner and a screening element having modifiable respective locations therebetween. The controller comprises an input terminal for receiving a relative location signal and additional a differential pressure input terminal. The controller monitors differential pressure and outputs an activation signal after the differential pressure has exceeded a threshold value. The controller outputs a termination signal based on the relative location signal. Another embodiment is a filtration system that comprises: a screening element located within a filtration chamber, and a suction scanner for self-cleaning thereof. A location tracker communicates to a switching mechanism during self-cleaning sessions a signal indicative of a location of the suction scanner with respect to the screening element. The switching mechanism automatically terminates self-cleaning sessions based on the signal.

A water filter system includes an upper chamber removably coupled with a lower chamber. In implementations the lower chamber has a sidewall and a rim wider than the sidewall. A filter medium filters water from the upper to the lower chamber. A seal couples between the chambers and has a circular cross-section and a gap receiving a portion of the sidewall. The seal may also have a cavity receiving the rim. The seal includes one or more arced flaps contacting the upper chamber, a tip of each arced flap defining a circular inner opening of the seal. The seal includes one or more first barbs contacting the upper chamber, each first barb forming a circle. The seal includes one or more second barbs contacting the lower chamber, each second barb forming a circle.

The invention relates to the technical field of noise filtering, in particular to a communication line noise filtering system and method, and the system comprises a temperature coupling module, a voltage response module, a parameter joint debugging module and a link checking module. According to the method, inductance and capacitance node temperature data are collected and input into a piecewise linear regression model, the temperature-to-resonant frequency deviation gradient is calculated, a noise suppression bandwidth threshold value is dynamically matched in combination with a reference table, the frequency stability under temperature fluctuation is improved, Kalman filtering is used for processing voltage sampling, and a fluctuation predicted value is generated. According to the method, interval indexes are extracted based on a parameter mapping table, instant inductance and capacitance parameters are generated through least square fitting, voltage transient fluctuation self-adaption is achieved, noise power spectrum density is calculated through fast Fourier transform, a 3dB attenuation point is compared with a threshold value difference value to trigger parameter rollback, closed-loop control is formed, it is ensured that suppression bandwidth is continuously matched with a noise frequency band, and noise suppression is achieved. The bandwidth offset is reduced to be within 1.2%, and the optimization response time is shortened to 200 ms level.

Embodiments of a cyberattack monitoring system are disclosed to identify successful attacks on a service based on benign activities of the attacker performed after the initial attack attempt. In embodiments, the system identifies the initial attack by matching client actions to known attack patterns. Clients observed with attempted attacks are remembered as suspected attackers. The system will then monitor subsequent actions of suspected attackers for signs that the initial attack attempt was successful. In embodiments, a successful attack is recognized when the system observes one or more subsequent benign actions by the suspected attacker. In embodiments, the presence of follow-on benign actions is used as a filter to filter out unsuccessful attacks and false positives detected by the system. The filtering enables the system to better focus system resources and human attention on a small set of client activities that are likely successful attacks.

In one aspect the invention relates to a filter system (100) for one or more braking devices (200) of a vehicle (600A, 600B), the filter system comprising: a suction device (110) configured to generate an airflow (112) in a vicinity of the one or more braking devices; a filter element (120) for filtering brake dust particles generated by the one or more braking devices; an airflow channel (130) positioned to allow the airflow generated by the suction device through the filter element; a controller (140) for operating the suction device; and a processor (150) arranged in data communication with the controller, the processor configured to obtain an operating data (161, 162) of the vehicle; determine a prognosis of a braking event of the vehicle based on the operating data as input; and select a control strategy (800, 810, 900, 950) from a plurality of control strategies based on the operating data, the control strategy associated with a plurality of operation states (701, 702, 703, 704, 705); wherein the control strategy is different from another control strategy of the plurality of control strategies; and wherein the processor is configured to generate a control data to the controller indicative of an operation state of the suction device. In a further aspect the invention relates to a method (1100) of operating a filter system (100).

The present application relates to the field of wastewater treatment, and provides a treatment system and method for electroless nickel-plating waste liquid. The treatment system comprises a decomplexing pretreatment system; an oxidation-decomplexing system comprising a redox reactor and a decomplexing reactor which are connected in sequence, wherein an oxidizing agent in the redox reactor is oxygen, and an oxidizing agent in the decomplexing reactor is hydrogen peroxide; a chemical precipitation system comprising a neutralization reaction tank and a sedimentation tank which are connected in sequence, wherein the sedimentation tank is equipped with a filter system; and an evaporation crystallization system comprising an evaporation device, a crystallization device, and a separation device which are arranged in sequence. In the treatment system and method for electroless nickel-plating waste liquid, a two-stage oxidation method is employed to achieve oxidation and decomplexing of the waste liquid; in addition, combining chemical precipitation treatment and evaporation crystallization treatment not only reduces the waste liquid treatment cost but also avoids the introduction of other impurities, and allows for the separation of nickel salts and phosphate salts, so that the operation is easy and convenient, the treatment cost is low, the nickel removal rate is high, and resource utilization of nickel is facilitated.

The invention relates to the technical field of filtering system assembly welding, in particular to a filtering system assembly welding device which comprises a horizontal bottom plate, a fixing plate and a vertical plate are fixed to the left end and the right end of the top of the horizontal bottom plate respectively, a hole plate positioning part is installed on the right side face of the fixing plate through an electric push rod, and a straight cylinder installation part is arranged on the left side face of the vertical plate. A welding machine and a shape correcting part are sequentially fixed to the top of the horizontal bottom plate from left to right and located between the pore plate positioning part and the straight cylinder mounting part. The mode that the rolling component, the right abutting plate and the abutting component are combined to abut against the left side face and the right side face of the pore plate is adopted, so that it is ensured that the pore plate is in the vertical state, the pore plate can be flattened, the pore plate is attached to the inner wall of the straight barrel all the time, meanwhile, the pore plate is continuously rolled through the rolling component in the welding process, and the welding quality is improved. Therefore, the tendency that the pore plate deforms due to welding stress is eliminated, and the welding precision is ensured.

The invention discloses an air purification and filtration system for a hyperbaric oxygen chamber, relates to the field of air purification, and solves the problem that when an existing air purification and filtration system for the hyperbaric oxygen chamber is used, repeated circulating filtration is difficult to carry out multiple times through a single-layer filter screen, the air purification and filtration system for the hyperbaric oxygen chamber comprises a machine body, a switching mechanism, a filtration mechanism and a cleaning mechanism, the fixing ring is rotatably connected with a rotating disc, the switching mechanism comprises a bottom plate and a switching cylinder, and the filtering mechanism comprises a filtering cylinder, a driving column and a driving plate. According to the air purifying and filtering system for the hyperbaric oxygen chamber, the rotating disc is driven to intermittently rotate, the position of the switching cylinder is switched, and control over air conveying is achieved; when the driving column rotates rapidly, the driving plate is controlled to enable air in the switching cylinder to continuously penetrate through the interior and the exterior of the filter cylinder, the filtering frequency and the filtering efficiency are improved, impurities attached to the inner wall of the filter cylinder are preliminarily cleaned and collected through the cleaning mechanism, the service life of the filter cylinder is prolonged, and the replacement frequency is reduced.

The invention provides a knowledge base and business system collaboration method under an AI platform, and belongs to the technical field of AI platform digital data processing.The method includes the steps that triple semantic analysis is conducted on query by constructing a multi-level semantic vector representation module, a parallel data retrieval engine is started, vector retrieval, graph reasoning and real-time data pulling are executed at the same time, and the query efficiency is improved; establishing a dynamic confidence evaluation mechanism to evaluate the quality of the data source, executing a weight distribution algorithm based on reinforcement learning, dynamically calculating the weight of the data source according to a query type by adopting a graph convolutional network intelligent routing decision model, and implementing multi-source data fusion and consistency verification to solve data conflicts through a weighted voting mechanism. An intelligent result sorting and filtering system is established, a multi-dimensional evaluation strategy is adopted to output high-quality answers, a continuous learning and feedback optimization loop is constructed, system performance is continuously optimized through active learning and a graph shortest path algorithm, and the technical problem that knowledge base data and a service system cannot effectively and uniformly make decisions is solved.

Apparatus, systems, and / or methods for filtering, recapture, and / or recirculation of coolant are disclosed. In some examples, coolant (e.g., coolant fluid) is used to cool and / or clean a machine, such as a material removal machine, for example. In some examples, a recirculation tank may be in fluid communication with an inlet and / or outlet of a cabinet (and / or housing) of the machine. The recirculation tank may include a recapture reservoir having a filtering surface configured to prevent particulates, debris, and / or swarf from being recirculated with the coolant. A vibration device (e.g., a vibration motor and / or vibrating actuator), may be in contact with and / or configured to vibrate (and / or shake, rattle, oscillate, etc.) the filtering surface, recapture reservoir, and / or recirculation tank so as to keep the filter free from obstruction and / or help settle and / or compact filtered particulates in a bottom of the recapture reservoir and / or recirculation tank.

The invention relates to the technical field of solid waste treatment, in particular to a phosphogypsum source harmless treatment method. Washing the tail section of the crystal growing slurry filtering system with clean water, and obtaining phosphogypsum after washing, wherein the ratio of the water consumption of the clean water to the phosphogypsum is (1: 10)-(1: 1) cubic / ton; performing size mixing on filter cloth washing water in a crystal growing slurry filtering system and the obtained ardealite to obtain ardealite slurry with the concentration of 20wt%-60wt%; adding a harmless treatment agent A into the obtained ardealite slurry, uniformly stirring and mixing, and reacting for 5-60 minutes to obtain first-stage reaction slurry; adding a harmless agent B into the obtained first-stage reaction slurry, uniformly stirring and mixing, reacting for 20-60 minutes, and filtering to obtain filtrate and harmless ardealite. The comprehensive recovery rate of fluorine and phosphorus valuable components in the wet-process phosphoric acid industry is realized through simple process improvement, and the pollutant content of the phosphogypsum after washing and filtering is reduced; according to the phosphogypsum harmless treatment method, the idea that industrial solid waste is used for treating pollution with waste is utilized, the agent preparation raw materials are wide in source and low in cost, and the agent is a toxic representative for solid waste pollution prevention and control cooperative control and assistant pollution reduction and carbon reduction synergistic interaction.

The invention relates to a water inlet separation net, a reverse osmosis membrane unit, a reverse osmosis membrane element, a filter element and a filter system in the technical field of reverse osmosis membranes. The reverse osmosis membrane unit comprises a water inlet separation net body and a reverse osmosis membrane attached to the reverse osmosis membrane element; the water inlet separation net body is provided with water blocking parts which are arranged at intervals and in a staggered mode in the extending direction of the water inlet separation net body, so that the water inlet separation net forms a water diversion flow channel which is continuously bent; and the distance between every two adjacent water blocking parts is reduced in sequence. The water diversion flow channel is designed to be bent, and the distance between every two adjacent water blocking parts is sequentially reduced, so that the flow speed of raw water is gradually increased, on the basis that the water diversion flow channel is designed to be relatively long, the flow speed of the raw water can be maintained to be gradually increased, the raw water spirally flows in the water diversion flow channel, and the flow area of the raw water is gradually reduced; the shear flow velocity of the concentrated water end is improved, and concentration polarization caused by poor water quality of the concentrated water end is weakened, so that the reverse osmosis membrane can more effectively resist pollution and blockage.

The invention relates to the technical field of water drinking equipment, and provides an ice-making purifying water dispenser and a control method, device and equipment thereof, a storage medium and a product. In the ice-making water purifying and drinking machine, a heating module is used for heating water in a water purifying tank; the ice making module is used for making ice by using water in the cold water tank; the filtering module is used for purifying a water source entering from the water inlet and storing the purified water source into the water purifying tank. The method comprises the following steps: acquiring a first water level state indicating whether the water purification tank is full of water in the water purification tank and a second water level state indicating whether the cold water tank is full of water in the cold water tank; when the clean water tank and the cold water tank are full of water, a standby state is entered; and when at least one of the clean water tank and the cold water tank is not full of water, a water production state is entered. The two water tanks of the ice-making purifying and drinking machine share one set of filtering system, so that a user can obtain clean ice blocks while purifying and drinking are realized; through real-time detection of the water level states in the two water tanks, water can be supplemented in time, and the convenience and satisfaction degree when a user uses the water purifying and drinking machine are improved.

The invention discloses a method for semi-continuously preparing electronic-grade hydrogen chloride in the field of electronic gas preparation, which comprises the following steps: (1) introducing industrial hydrogen chloride into an adsorption system after the moisture content of the industrial hydrogen chloride is lower than 50ppm by using a cryogenic system; (2) deeply removing trace moisture in the hydrogen chloride by using an adsorption system, and introducing the hydrogen chloride into a filtering system after the moisture content in the hydrogen chloride is lower than 1ppm; (3) removing the pulverized adsorbent entrained in the anhydrous hydrogen chloride gas by using a filtering system, and then introducing the anhydrous hydrogen chloride gas into a feeding tank of a rectifying tower; (4) introducing anhydrous hydrogen chloride in the feeding tank of the rectifying tower into a heavy component removal tower, removing high-boiling-point impurities from a tower kettle, and introducing a tower top material into a light component removal tower; and (5) continuously emptying the top of the light component removal tower to remove light boiling point impurities, and opening an extraction valve and filling when the purity of the tower kettle material hydrogen chloride is more than 99.9995%. According to the method, equipment corrosion is reduced, the influence of light-component impurities on the product is avoided, the product quality is stable, and the yield and the market competitiveness are improved.

Systems and techniques are described for coding audio signals. For example, a voice decoder can generate, using a neural network, an excitation signal for at least one sample of an audio signal based on one or more inputs to the neural network, the excitation signal being configured to excite a linear predictive coding (LPC) filter. The voice decoder can further generate, using the LPC filter based on the excitation signal, at least one sample of a reconstructed audio signal. For example, the neural network can generate coefficients for one or more linear time-varying filters (e.g., a linear time-varying harmonic filter and a linear time-varying noise filter). The voice decoder can use the one or more linear time-varying filters including the generated coefficients to generate the excitation signal.

The invention relates to the technical field of geotechnical engineering, in particular to a shield slurry flocculation filter pressing system based on machine learning, an optimization method and a computer readable storage medium, and the optimization method comprises the following steps: obtaining and preprocessing shield slurry data; selecting characteristic data of shield slurry; carrying out standardization and normalization processing; the feature data is divided into a training set and a test set; an improved neural network model is adopted for training; obtaining an optimal neural network model parameter by adopting a particle swarm optimization algorithm; deploying the trained neural network model into a shield mud flocculation filter pressing system; and comparing the shield mud prediction treatment effect obtained by the trained neural network model with the actual treatment effect of the shield mud to obtain the optimal parameters of the shield mud flocculation filter pressing system, and implementing the optimal parameters. And periodically detecting the performance of the neural network model. According to the shield slurry flocculation filter pressing system, the filter pressing speed is reasonably controlled through a machine learning method, the best filter pressing effect is achieved through intelligent adjustment, solidification of shield slurry can be completed in a high-quality mode, and mud cakes obtained after filter pressing can be recycled.

The present disclosure provides a recirculation aquaculture system and method. The system includes a fish pond and a fiber turntable filtering system. The fiber turntable filtering system can implement can remove large particles in aquaculture water and regularly harvest microalgae, water quality after treatment reaches a fishery aquaculture standard, and 97% of the aquaculture water can be directly recycled. In the present disclosure, during in-situ culture of microalgae and fish, microalgae can convert CO2 exhaled by fish and nutrients such as nitrogen and phosphorus in the aquaculture water into substances of algae cells, such as proteins, polysaccharides, vitamins, and lipids, and release oxygen, so as to quickly improve quality of the aquaculture water; in-situ culture of the microalgae and the fish gives play to the advantages of high photosynthetic efficiency of the microalgae, and the fast-growing microalgae provide a suitable growth environment for the fish.

A method may include receiving, by a computing system, a plurality of messages. The method may include determining, by the computing system and utilizing a machine learning model, a score for a respective message of the plurality of messages, the score representing a likelihood that the respective message is an illegitimate message. The method may include accessing, by the computing system, a database that includes a list including a respective sender associated with the respective message, the respective sender associated with the rating. The method may include updating, by the computing system, a rating of the respective sender associated with the respective message, based at least in part on the score of the respective message. The method may include filtering, by the computing system, at least a portion of the plurality of messages based at least in part on the rating of the respective sender.

The invention relates to a negative pressure dust collection type cutting machine, and belongs to the technical field of cutting machines, the negative pressure dust collection type cutting machine comprises a cutting machine workbench, a cutting module, a negative pressure dust collection module, an explosion-proof filtering system and a control system, the cutting module comprises a three-dimensional five-axis cutting mechanism and a high-power laser cutting head, and the high-power laser cutting head is loaded at the driving end of the three-dimensional five-axis cutting mechanism. The dust collector has an anti-explosion effect and an environment-friendly discharge function, and is provided with an anti-static pipeline, an inert gas injection device and a spark catcher aiming at flammable metal dust, so that the explosion risk can be remarkably reduced, multi-stage filtration is carried out by adopting the sintered metal filter cartridge, the HEPA filter screen and the like, discharged air meets the environment-friendly standard, the sewage problem of traditional wet dust collection is avoided, and the dust collector is suitable for popularization and application. And the metal plate is fixed through the evenly-distributed adsorption holes, plate deviation caused by vibration or scrap accumulation in the cutting process is prevented, and the precision of the cutting path is improved.

The invention discloses a non-contact local curvature measurement method and system based on a computational metasurface, and the method comprises the steps: S1, phase modulation: carrying out the phase modulation of an incident light field carrying the information of a to-be-measured object through an optical computational metasurface, so as to generate transverse displacement light field distribution related to the contour of the to-be-measured object; s2, signal extraction: separating and extracting a first-order differential signal carrying the edge information of the object to be measured by using a biorthogonal polarization filtering system; s3, reconstructing a three-dimensional shape: reconstructing the three-dimensional shape of the object to be measured according to the first-order differential signal; and S4, curvature calculation: calculating the curvature radius of any local part of the object to be measured according to the three-dimensional shape. The optical calculation metasurface is combined with a biorthogonal polarization filtering system, differential operation of a light field is achieved, the edge contour of an intensity object and the three-dimensional shape of a phase object can be obtained without difference, and therefore non-contact and high-precision measurement of the curvature of the object is achieved, the problem of physical damage of traditional contact type measurement is solved, and the measurement accuracy is improved. And the detection efficiency and adaptability are improved.

The invention provides a coalescence-selective filtration-deep bed filtration efficient oil-water separation system which comprises a coalescence system, a selective filtration system and a deep bed filtration system, oily wastewater enters a coalescer, and tiny oil droplets are coalesced into larger oil droplets through wetting coalescence and collision coalescence; the coalesced wastewater enters a selective filter, oil droplets and water respectively flow out through an oil channel and a water channel, and primary separation is realized; according to the present invention, the water after the primary separation enters the deep bed filter to achieve the deep separation, the efficient oil-water separation and the water quality standard discharge or reuse are achieved through the combination process of coalescence, selective filtration and deep bed filtration, and the system has advantages of high treatment efficiency, low energy consumption, less carbon emission, oil and water recycling, or water standard discharge.

A water filtration system is also disclosed. The water filtration system includes a regenerative media filter vessel, a filtrate line, a feed line, a recirculation line, a gas line, and at least one pump. A method of filtering water in a system comprising a regenerative media filter is disclosed. The method includes operating the system in a filtration mode, operating the system in a cleaning mode responsive to a differential pressure measurement across the regenerative media filter, operating the system in an aeration mode, operating the system in a pre-filtration mode after operating the system in the cleaning mode, operating the system in a drain mode, and operating the system in the filtration mode following the drain mode. A controller and non-transitory computer-readable medium having computer-readable signals stored thereon that define instructions that, as a result of being executed by the controller, instruct the controller to perform a method of operating a water filtration system are disclosed.

The invention discloses an intelligent self-adaptive silt filtering system and method for a pumped storage power station, and belongs to the technical field of pumped storage power stations. The system comprises a multi-parameter water quality monitoring module, an intelligent self-adaptive filtering module, a hydraulic cyclone enhanced separation module, a self-cleaning and backwashing module and a central control and data processing module. According to the method, river sediment characteristics are monitored in real time, filtering parameters are dynamically adjusted through an artificial intelligence algorithm, efficient sediment interception is achieved by combining hydraulic cyclone separation and multi-stage filtering, the problem of filtering medium blockage is solved through a self-cleaning mechanism, and meanwhile the self-adaptive learning capacity is achieved so as to optimize system performance. The system can significantly improve the filtering efficiency, reduce energy consumption and operation and maintenance cost, adapt to complex water quality working conditions, and guarantee safe and stable operation of key equipment of the pumped storage power station.

An apparatus and a method are provided for a mobile reservoir system to provide potable water to desired destinations. The mobile reservoir system includes a waterborne vessel that includes a cargo hold. A collection unit comprised of a material for safe and sterile storage of potable water is disposed in the cargo hold. One or more collectors channel rainwater into the collection unit. Each collector is a sheet of a non-porous material supported on a retractable frame and a plurality of support arms. The sheet provides a surface area for collecting rainwater. A porous material covers the collection unit and operates as a filter for collected rainwater. A retractable cover may be extended over the cargo hold to provide protection to the collected rainwater in the collection unit. A filtration system is configured to offload the rainwater as potable water.

In one aspect the invention relates to a filter system (100) for one or more braking devices (200) of a vehicle, the filter system comprising: a suction device (110) configured to generate an airflow (112) in a vicinity of the one or more braking devices; a filter element (120) for filtering brake dust particles generated by the one or more braking devices; an airflow channel (130) positioned to allow the airflow generated by the suction device through the filter element; a controller (140) for operating the suction device; and at least one processor (150) arranged in data communication with the controller, the processor configured to receive at least one of a vehicle operation data (162) and an environmental data (164) as inputs, and determine a prognosis of a braking event of the vehicle; wherein the at least one processor is configured to generate a control data (152), the control data indicative of an operation state of the suction device based on the prognosis of the braking event of the vehicle. In a further aspect the invention relates to a method (900) of operating a filter system (100).