56 results about "Interactive simulation" patented technology

The invention provides an interactive simulation teaching processing method and device for ship electromechanical guarantee, and relates to the technical field of interactive simulation teaching, and the method comprises the steps: building a ship electromechanical full-structure model in a virtual simulation platform, digitally mapping real equipment operation parameters into virtual parts with real-time response characteristics, and carrying out the real-time simulation of the virtual parts; synchronous acquisition and normalized calibration of operation instructions, equipment feedback and environment disturbance in a teaching scene are realized, and a unified teaching simulation data set is generated. State recognition, fault simulation and operation evaluation calculation are completed through multi-layer task scheduling, and real-time teaching feedback is generated and visually displayed on a terminal. Based on difference analysis of dynamic evaluation data and a standard operation template, operation deviation and abnormity are automatically identified, and a targeted guide prompt is generated. According to the invention, unified modeling and data linkage can be carried out on student operation behaviors, equipment dynamic responses and teaching feedback results, and the problems of teaching feedback lagging and lack of pertinence in operation correction are solved.

The invention provides a simulation scene multi-target calculation method and device based on parallel scheduling and a server, and relates to the technical field of industrial simulation application, and the method comprises the steps: obtaining a parameter set of a plurality of simulation tasks, and carrying out the task clustering processing of the parameter set according to the parameter similarity, and obtaining a plurality of task clusters; all the task clusters are distributed to different computing nodes, parallel solving processing of simulation tasks is carried out on the task clusters in all the computing nodes on the basis of a self-adaptive tuning model of a message passing interface, and local simulation results corresponding to all the computing nodes are obtained; and carrying out convergence and recombination processing on the local simulation results to obtain a complete simulation result data set, carrying out compression and indexed storage processing on the simulation result data set to generate a lightweight simulation result, and carrying out streaming visualization processing on the lightweight simulation result to obtain a target interactive simulation visualization result. According to the method, the simulation efficiency of simulation scene multi-target calculation can be remarkably improved.

The invention relates to the technical field of animation plot automatic analysis and generation, in particular to an AI-based animation generation method and system for plot automatic analysis, and the system comprises a plot data collection module, a central plot analysis platform, an execution layer generation module and user feedback terminal equipment. Through combination of historical plot data, popular culture trends and audience watching habits, a plot interest prediction model is constructed by using a convolutional neural network and a long-short term memory network, and accurate prediction and optimization suggestion generation are realized; and the dynamic scene generator and the role interaction simulator adjust the scene layout and role logic according to the instruction to ensure the personalized optimization of the plot. The method can respond to the audience demand change in real time, improve the resource utilization efficiency, and enhance the market competitiveness of animation works and the audience satisfaction.

The invention discloses an interactive simulation cockpit, and relates to the technical field of driving simulation. The problems of insufficient immersion, single interaction dimension, simulation scene solidification and the like existing in existing simulation driving are solved. The interaction module is integrated in the cabin body, the electric sliding rail is arranged on the inner wall of the bottom of the cabin body, the seat is fixed to the inner wall of the electric sliding rail through bolts, and the display screen, the pedal, the operation table and the steering wheel are arranged in front of the seat. The interaction module comprises a biological characteristic acquisition module used for acquiring physiological state data of a driver in real time, a force interaction unit used for the driver to directly simulate driving, and an environment simulation restoration module used for providing a simulation scene. According to the invention, a'human-vehicle-environment 'deep closed-loop interactive simulation cockpit is realized, a one-way output mode of an existing simulator is broken through, the state of a driver can be sensed in real time, and the simulation driving content and feedback intensity are dynamically adjusted, so that the authenticity and effectiveness of training are greatly improved.

The invention provides an optical cable line dynamic environment simulation method and system based on physical rendering, and relates to the technical field of virtual modeling of electric power communication equipment. Comprising six steps of optical cable line basic data acquisition, dynamic environment parameter modeling, PBR-based material attribute definition, dynamic environment and optical cable interactive simulation, rendering optimization and simulation result verification. The system comprises a data acquisition module, an environmental parameter modeling module, a PBR material definition module, a dynamic interaction simulation module, a rendering optimization module, a result verification module and an application integration module. Real material characteristics of the optical cable and accessories are restored through a physical rendering technology, multi-scene real-time simulation is realized in combination with dynamic environment parameters, the influence and hidden defects of the environment on the optical cable are accurately presented, high-precision visual support is provided for optical cable line inspection, fault early warning and operation and maintenance training, and the method is suitable for popularization and application. And the intelligent level of external operation and maintenance of electric power communication is obviously improved.

The invention discloses a low-altitude visual simulation and airport operation drilling method and system integrating real-time data, and the method comprises the steps: accessing and fusing multi-source heterogeneous real-time data and simulation model data, carrying out the standardization processing, and generating a standardized data stream under a unified space-time reference; based on the standardized data flow, high-fidelity flight simulation and airport operation deduction simulation are executed in parallel; establishing a bidirectional coupling mechanism between the high-fidelity flight simulation and the airport operation deduction simulation through preset rules and event interaction middleware according to the real-time state of the high-fidelity flight simulation and the real-time state of the airport operation deduction simulation; and based on the formed closed-loop interactive simulation environment, driving the collaborative process of low-altitude flight and airport ground operation to perform dynamic drilling, performing quantitative evaluation on drilling data of the collaborative process, and outputting a comprehensive evaluation result of collaborative efficiency, safety margin and emergency disposal efficiency. According to the invention, millisecond-level collaborative deduction and quantitative efficiency evaluation of air and ground operation in a real dynamic environment are realized.

This invention belongs to the field of intelligent training technology in the pharmaceutical industry, and provides a non-contact virtual-real interactive simulation system and method for GMP drug production. It includes: a login authentication module for authenticating trainees' identities based on the virtual-real interactive simulation platform; after successful authentication, trainees can select a training mode; a startup module for activating a motion capture module and a real-time evaluation module after the virtual-real interactive simulation platform detects the selected training mode; a recognition module for capturing and recognizing trainees' actions in real time based on the motion capture module, and synchronizing with the virtual scene of a high-fidelity drug production line model in the training mode to obtain virtual environment feedback; a compliance judgment module for determining whether the trainee's operational compliance based on the virtual environment feedback exceeds a preset compliance level based on the real-time evaluation module; and a report generation module for recording training data under virtual environment feedback and generating an evaluation report stored in a database. This improves training efficiency.

The invention discloses an interactive simulation system for oral care teaching and an evaluation method, and belongs to the technical field of digital medical treatment and virtual reality. The method includes: constructing an oral care space having a plurality of voxels and assigned an initial cleaning demand value; acquiring dynamic state data of the nursing tool in real time, wherein the dynamic state data comprises a position, a motion vector and applied pressure; constructing an intention guide potential field representing the user operation intention based on the motion vector, and constructing a contact action potential field representing the contact cleaning intensity based on the applied pressure; the two are fused into a collaborative cleaning potential field; updating the cleaning state of each voxel based on the cumulative effect of the collaborative cleaning potential field over time; and finally, based on the spatial and temporal distribution characteristics of the collaborative cleaning potential field and the final cleaning state, generating a comprehensive evaluation report. By constructing the collaborative cleaning potential field model, the technical problem that only the cleaning coverage can be evaluated and the operation process and skill cannot be deeply analyzed in the prior art is solved.

The invention discloses an unmanned flight platform flexible obstacle active crossing method and a related device, and relates to the technical field of unmanned aerial vehicles, and the method comprises the steps: building a flexible obstacle interactive simulation environment based on a physical engine; in a flexible obstacle interactive simulation environment, taking a visual data flow and a state data flow of the unmanned flight platform as input, taking a motor accelerator instruction as output, and training a cascade deep neural network model based on a near-end strategy optimization algorithm; driving a sensor interface through an ROS system to obtain real-time vision and state data, inputting the real-time vision and state data to the trained cascade deep neural network model, and generating a motor control instruction; and determining an active crossing strategy of the unmanned flight platform according to the motor control instruction. The problems of extra load and pneumatic interference caused by a traditional protection device can be avoided.

The invention discloses a digital intelligent simulation method for a hydroelectric generating set speed regulating system based on hydroelectric-mechanical coupling, and aims to solve the problems of low hydroelectric-mechanical coupling degree, poor controllability of a simulation tool and insufficient consideration of a water hammer effect in traditional simulation. The method comprises the following steps: establishing a hydraulic electromechanical coupling model containing hydraulic power (simulating hydraulic transient by a characteristic line method), machinery (a T-S fuzzy model self-defined speed regulator) and electricity (PSS / E tidal current + generator equation); constructing a load flow calculation interface layer for secondary development of a PSS / E Fortran API, and integrating intelligent algorithm modules of GSA, DEPSO and BP neural networks; carrying out real-time interactive simulation and optimizing PID parameters of the speed regulator; and verifying dynamic characteristics of the model based on a water hammer effect analytic solution. The method realizes hydroelectric-mechanical-electrical deep coupling, improves simulation controllability and precision, adapts to unit debugging and power grid dispatching verification, and ensures safe and stable operation of the hydroelectric generating set and the power grid.

The utility model relates to a parent-child interactive interesting toy for simulating supermarket cashier, which comprises a base provided with a cashier drawer; the analog display is fixed on the upper side of the base and comprises a display main body and an analog display screen, and an analog card swiping slot and an analog coin slot are formed in the side edge of the display main body; the code scanning gun is connected with the display main body and is provided with a key and a gun head sensing area; the display body is provided with a microphone, the microphone is connected with the display body, the display body is provided with a corresponding loudspeaker, through multiple function settings, a real supermarket cashier scene is highly simulated, the interestingness and interactivity of children games are increased, improvement of the cognitive ability and social ability of children is assisted, and meanwhile the parent-child relationship is enhanced.

This invention discloses a decision-making system for optimizing mandarin fish feed formulation based on the evaluation of disintegrant application. Specifically, it relates to the fields of feed additive application and feed formulation optimization, addressing the problem in existing mandarin fish feed development where the evaluation of the dynamic effects of disintegrants and the design of nutritional formulations are disconnected, leading to inefficient and experience-based optimization relying on trial and error. The system collects dynamic physical characteristics and static nutritional economic data through a data acquisition module; establishes fusion constraints through a conditional fusion module; analyzes component interactions and predicts dynamic characteristics through an interactive simulation module; corrects the prediction results based on water parameters through an environmental correction module; and finally, a grading and screening module and a formulation determination module perform grading and screening based on priority, automatically outputting the optimal formulation. This system achieves systematic, precise, and efficient optimization of mandarin fish feed formulations containing disintegrants, significantly improving the feed's practical effect and acclimatization success rate.

The invention provides a three-dimensional scene construction method and device, electronic equipment, a storage medium and a product, and the method comprises the steps: carrying out the scene understanding of a three-dimensional scene, and obtaining the image information and text information of a plurality of object model nodes; performing feature extraction on the image information and the text information of each object model node to obtain a vector matrix of each object model node; based on the similarity between the vector matrixes of any two object model nodes, performing clustering analysis on the object model nodes to obtain a plurality of clusters; and for each cluster, on the basis of the physical attributes of the target object model nodes with the physical attribute characteristics in the cluster, speculating the physical attributes of other physical model nodes without the physical attribute characteristics so as to complete three-dimensional scene construction. According to the method, the physical attributes of other object model nodes without physical attributes can be accurately speculated, and the method is used for a robot simulation platform application scene in which large-scale object models with physical attributes are needed to carry out operation interactive simulation.

The invention discloses a cockpit layout design and evaluation method, computing equipment and a computer readable storage medium, and the method comprises the steps: constructing a digital model of cockpit layout, and obtaining a human body model matched with the features of a target user group; importing the digital model and the human body model into a simulation platform for interactive simulation, and outputting corresponding simulation data; importing the digital model into a virtual reality environment, and collecting multi-dimensional interaction parameters of a target person and a cockpit in combination with an interaction device and a capture device; according to preset airworthiness regulations and terms and evaluation standards, the simulation data and the multi-dimensional interaction parameters are comprehensively analyzed, and a conformity evaluation report is generated; and performing a simulation test on the key area in the cockpit layout, verifying the rationality of the conformity evaluation report, outputting a final evaluation report, and performing iterative optimization on the cockpit layout according to the final evaluation report. Therefore, the assessment result of the cockpit layout is more accurate, and the overall design efficiency of the cockpit is improved.

The utility model belongs to the technical field of automobile models, and discloses a voice interactive simulation automobile model. The automobile model comprises an automobile body, an automobile door, a voice controller and a door driving part, the automobile door is slidably arranged on the side portion of the automobile body, the voice controller is located in the automobile body and electrically connected with the door driving part, the door driving part is in transmission connection with the automobile door, and the voice controller can receive voice signals and control the door driving part to drive the automobile door to slide on the automobile body. According to the voice interactive simulation automobile model, the automobile door can be opened or closed without manual operation in a voice control mode, so that the use complexity is reduced, and better convenience is brought to people. The vehicle door is controlled to be opened or closed in a voice input mode, the use experience rich in science and technology is provided for a user, the expressive force and the visual effect are improved, and the market attraction and competitiveness are greatly enhanced.

The application relates to a kind of interactive simulation methods and systems for automatic driving test with the center of the vehicle under test, which realizes automatic driving test by jointly constructing and training vehicle under test planning agent model and background vehicle interaction model, the method comprises the following steps: constructing standardized input features based on automatic driving dataset;Construct the vehicle under test planning agent model with the minimum weighted cost optimal planning trajectory of the vehicle under test as the output with scene data as the input, wherein the weight modeling is a continuous probability distribution of learnable parameters;Construct the background vehicle interaction model with the center of the vehicle under test with the background vehicle interaction simulation trajectory as the output with scene data and the optimal planning trajectory of the vehicle under test as the input;Based on automatic driving dataset, jointly train the vehicle under test planning agent model and the background vehicle interaction model;Based on the trained vehicle under test planning agent model and the background vehicle interaction model, realize automatic driving closed-loop simulation test.The method improves the authenticity and interactivity of simulation.

The application provides a simulation scene multi-target calculation method and device based on parallel scheduling and a server, relates to the technical field of industrial simulation application, and comprises the following steps: obtaining a parameter set of multiple simulation tasks, performing task clustering processing on the parameter set according to parameter similarity, and obtaining multiple task clusters; distributing each task cluster to different computing nodes, performing parallel solving processing of the simulation tasks on the task clusters in each computing node based on an adaptive optimization model of a message passing interface, and obtaining a local simulation result corresponding to each computing node; performing gathering and reorganization processing on the local simulation result, obtaining a complete simulation result dataset, performing compression and index storage processing on the simulation result dataset, generating a lightweight simulation result, performing stream visual processing on the lightweight simulation result, and obtaining a target interactive simulation visual result. The application can significantly improve the simulation efficiency of simulation scene multi-target calculation.

The invention discloses a heat supply network digital twin visualization and interactive simulation method and system, and the method comprises the steps: collecting sensor data of a heat supply network through an edge gateway, and transmitting the sensor data to a browser front end in real time; the front-end WebAssembly module is used for carrying out decompression and structured processing on the data to generate a state vector; creating a calculation pipeline and a rendering pipeline by using the WebGPUAPI, and finally constructing a two-dimensional discrete grid; solving a heat conduction partial differential equation in a ComputeShader in parallel, and updating temperature field data of grid nodes; and mapping the data into thermodynamic diagram colors through a fragment shader, and drawing the thermodynamic diagram colors to Canvas. According to the method, zero-copy data flow from physical simulation to graphic rendering is realized, the problems of high three-dimensional display delay and poor interaction of a traditional SCADA system are solved, and 60FPS real-time simulation and rendering of million-level grids are realized.

This invention belongs to the field of folk culture and digital technology protection, specifically relating to an interactive simulation system for folk rituals. Addressing the problems of low user participation, difficulty in reflecting role differences, and lack of effective control over ritual processes in existing digital display methods of folk rituals, this invention provides a folk ritual simulation system based on a multi-role interaction and evaluation mechanism. The system includes a backend control center, a ritual process modeling module, a role configuration module, a ritual interaction simulation interface, a role association evaluation module, a process control module, and a result generation module. By modeling the folk ritual process in stages, it guides user roles with different ritual responsibilities to participate in interactive operations and determines role associations based on user interaction behavior to control the orderly progress of ritual process stages. Ultimately, it generates simulation result information corresponding to the folk ritual, thereby achieving interactive simulation, learning experience, and digital protection of folk rituals.

This invention discloses a kill net generation method and system based on offline reinforcement learning, relating to the fields of simulation and reinforcement learning. To address the problems of slow kill net generation speed, poor adaptability, reliance on manual intervention, and lack of end-to-end coordination in existing technologies, this invention performs scene modeling based on the tasks, resources, and dynamic factors involved in the simulation scenario, including state space, action space, reward function, and state transition rules. Based on the scene modeling, reinforcement learning interactive simulation is performed to obtain offline data containing simulation trajectories. The offline data is divided into multi-task segments to obtain a multi-task offline dataset, and a meta-reinforcement learning training is performed on the generative trajectory decision network. The trained generative trajectory decision network is then used to generate the target kill net. This invention can efficiently generate highly adaptable and automated kill nets, quickly respond to changing battlefield environments, reduce manual intervention, and improve generation efficiency.

This invention discloses a browser-based automatic website login method, device, and electronic device. When the browser displays the login interface of any website, the target login credentials for the website are obtained. Based on the website's filling rules, the corresponding interactive simulation operation is determined. By executing the interactive simulation operation, the target login credentials are filled into the login interface to automatically log in to the website. This reduces the possibility of information leakage caused by saving login credentials locally in the browser and reduces information security risks.

The invention relates to the field of interactive simulation, in particular to a simulation deduction multi-mode interactive data processing method and system, and the method comprises the steps: inputting a deduction instruction through an interactive end after commanders and fighters scenario, subsequently constructing a virtual scene, generating a deduction model in the virtual scene, and determining a deduction path of the deduction model based on the deduction instruction. Synchronously generating a view cone, moving the view cone along a deduction path in the virtual scene, fixing the cone end of the view cone at a plurality of moving points for surrounding, determining visual mutation rendering interference characteristics of the view cone tail end projection area passing through each model, setting labels for a plurality of sub-virtual scenes, and subsequently performing rendering adjustment on the sub-virtual scenes based on the labels. According to the interactive deduction simulation system and method, when the battlefield environment is simulated, the situation that the precision of the model jumps or flashes and suddenly changes during view angle moving and switching is reduced, the situation that the model rendering is not smooth and abrupt is reduced, and the interactive deduction simulation effect is improved.

The invention relates to an interaction processing method and device, electronic equipment, a medium and program product quality, and the method comprises the steps: responding to a first viewing instruction for a first virtual space, and displaying a first space interface corresponding to the first virtual space, the first space interface comprises first interactive simulation information of the first virtual image and the second virtual image for a preset scene; the first virtual space is a common virtual space of the first account number and a second account number associated with the first account number, and the first interaction simulation information is information of the first virtual image and the second virtual image simulating historical interaction operation executed by the first account number for the second account number in the preset scene. By using the technical scheme provided by the embodiment of the invention, the associated user can be helped to better maintain the association relationship with the associated user, the effectiveness of association between accounts is improved, and the linkage between live broadcast and other scenes and the virtual space is realized, so that the interactivity in live broadcast and other business scenes and the execution efficiency of related tasks can be improved.

The invention relates to the field of Sichuan brocade weaving machine teaching, in particular to an XR-based Sichuan brocade weaving machine teaching real-time interactive simulation system and method. The method comprises the following steps: acquiring a Sichuan chinlon loom collaborative state data set, and performing multi-mode signal fusion analysis on a visual signal, an auditory signal and a touch signal based on the Sichuan chinlon loom collaborative state data set to generate a Sichuan chinlon loom collaborative feature set; based on the Sichuan brocade weaving machine collaborative feature set, carrying out coupling analysis on rhythm contradictions and sequence contradictions of collaborative actions of the pattern rolling workers and the shuttle picking workers, and generating a collaborative operation risk set; and based on the collaborative operation risk set, carrying out self-adaptive collaborative teaching reminding on the flower rolling worker and the shuttle picking worker, and generating a collaborative operation report of the Sichuan brocade weaving machine. In the Sichuan brocade weaving machine teaching process, the accuracy and immersion of Sichuan brocade weaving machine teaching are remarkably improved, collaborative operation contradictions can be recognized in real time, students are effectively helped to correct wrong actions in time, and the learning threshold is greatly reduced.

The invention relates to the technical field of terminal operation of an Internet of Things platform, and discloses a terminal operation visualization system, method and device based on the Internet of Things platform and a medium. According to the method, the system comprises an electric red-honed terminal access and authentication module, an internet-of-things data acquisition and secure transmission module, a terminal state modeling and analysis module, an operation scene integration and extension module and a visualization and interaction control module. According to the system, real-time data of a transmission terminal is encrypted through a domestic password, an electric red-honed terminal digital twin sub-model is constructed according to partitions, deviation is compared with an actual operation scene after integration, a missing operation scene is automatically expanded, and finally high-fidelity visualization and interactive simulation are achieved. The system provided by the invention meets the power monitoring safety protection requirement, improves the terminal state sensing precision and the operation and maintenance decision efficiency, and has good safety, expansibility and engineering practicability.

This invention discloses a virtual reality interactive simulation system for high-speed rail line maintenance, belonging to the field of high-speed rail line maintenance simulation technology. The system includes a virtual scene construction unit, an operation motion capture unit, a rule verification unit, a difference calculation unit, an anomaly location unit, and a comprehensive risk warning unit. The virtual scene construction unit generates a standardized virtual scene model using data from the high-speed rail line maintenance manual and real-time equipment status information; the operation motion capture unit captures the user's three-dimensional spatial coordinate sequence and outputs action trajectory data; the rule verification unit compares the action trajectory data with a preset maintenance rule library and outputs the operation compliance judgment result; the difference calculation unit calculates the operation deviation metric; the anomaly location unit locates the physical location of abnormal operations; and the comprehensive risk warning unit generates a maintenance risk level identifier. This system provides maintenance personnel with a simulation environment, monitoring and providing feedback on operations in real time.

The application provides a curtain wall lighting performance simulation method and system based on deep learning, and relates to the field of building design and simulation technology. First, the curtain wall design elements (including curtain wall structure arrangement and curtain wall material light transmission performance) and target area light action elements (covering light direction at different times and light intensity change at different times) are integrated, a pre-trained lighting correlation network construction model is input, the light transmission performance distribution of each part of the curtain wall and the indoor space light diffusion performance distribution are generated, the dynamic correlation network of the curtain wall lighting is constructed to present the dynamic action relationship between each element, interactive simulation operation is performed through the deep learning simulation module, the simulation result containing the indoor area lighting balance and continuous performance is generated, and the curtain wall design optimization guide is generated to adjust the curtain wall design elements and optimize the indoor lighting performance.

The invention provides a multi-time-scale parallel interactive simulation method and system suitable for an adaptive commutation converter, and aims to solve the problem that the real-time performance and the precision of a traditional single simulation step are difficult to consider due to the multi-time-scale dynamic state of the adaptive commutation converter. According to the method, a CPU-FPGA heterogeneous simulation architecture is constructed, wherein a rectification side model, a direct current side model, an inversion side model, an LCC model and a control system model are deployed on a CPU side, and an SVG model is deployed on an FPGA side; in order to solve the problem of strong coupling caused by different step length interaction, a multi-rate decoupling algorithm is adopted, and a strong coupling branch is decomposed into two Thevenin equivalent sub-circuits which can be independently calculated through historical electrical quantity data at an interface based on an inductance discretization model; the parallel interactive calculation of the fast and slow time scale models is effectively realized, the precision bottleneck caused by the simulation step length difference is overcome, and the efficient and high-precision real-time simulation of the full working condition of the adaptive commutation converter system is realized.

Method providing interactive simulation comprising a first computer displaying first simulation interacting with a first user, the first computer is connected to a first head mounted display, HMD, and a first interactive control, a second computer displaying a second simulation interacting with a second user, the second computer is connected to a second HMD and a second interactive control, wherein the first computer is connected to the second computer via a network.

The invention discloses a dynamic interactive simulation-based traffic capacity optimization method for a mine ramp transportation system, which comprises the following steps of: S1, defining a polymorphic logic entity, and establishing a behavior rule base; s2, based on the polymorphic logic entities and the behavior rule base, constructing an initial dynamic interaction model, simulating and running the initial dynamic interaction model, and enabling the logic entities to interact autonomously; and S3, calculating the dynamic traffic capacity based on the data obtained by the simulation operation of the initial dynamic interaction model, and performing data diagnosis and parameter adjustment for optimization iteration based on the calculation result to complete the traffic capacity optimization of the mine ramp transportation system. According to the method, a parameterized dynamic interaction model is constructed by means of simulation modeling software, behaviors and interaction of all entities in the mine ramp transportation system are simulated, so that the real traffic capacity of the mine ramp transportation system is accurately measured, the bottleneck of the system is diagnosed, and a quantitative basis is provided for optimization.