Automobile brake disc temperature adjusting system with efficient heat management function

Abstract

The invention provides an efficient thermal management automobile brake disc temperature adjusting system, and belongs to the technical field of temperature adjustment. The sensor module is used for configuring a sensor on a brake disc of a target automobile and collecting original parameter data of the brake disc in real time based on a preset parameter type; the data analysis module is used for transmitting the original parameter data to the central control system, preprocessing the original parameter data to obtain standard parameter data and judging the temperature state of the brake disc; the temperature control algorithm module is used for inputting a temperature control model based on the standard parameter data and the temperature state to obtain a temperature control braking strategy; the thermal management module is used for sending the temperature control braking strategy to corresponding equipment of a brake disc based on the central control system to complete temperature adjustment; and the feedback module is used for acquiring a brake disc temperature adjusting result and feeding back parameters of the adjusting temperature control model. The temperature of the brake disc is monitored in real time, the temperature control strategy is optimized, and the brake performance and safety are improved.

Description

Technical Field

[0001] The invention relates to the technical field of temperature regulation, and in particular to a temperature regulation system for an automobile brake disc with high efficiency thermal management. Background Art

[0002] At present, as the automotive industry pays more attention to energy efficiency and environmental protection, more and more automobile manufacturers require to improve the efficiency of thermal management system as much as possible while ensuring performance. Modern automobile thermal management system not only needs to optimize the temperature of brake disc, but also needs to work with other thermal management systems; however, the usual brake disc cooling method only coordinates and adjusts through temperature, and does not combine with other equipment for analysis, resulting in low thermal management efficiency and unreasonable brake disc temperature adjustment. Therefore, the present invention proposes an automobile brake disc temperature regulation system with efficient thermal management. Summary of the invention

[0003] The present invention provides an automobile brake disc temperature regulation system with efficient thermal management, which is used to monitor brake disc data in real time through sensors, analyze and judge the temperature state, formulate regulation strategies using temperature control algorithms, implement precise temperature control, and optimize the temperature control model through a feedback mechanism to ensure that the brake disc operates within a safe and efficient temperature range.

[0004] In one aspect, the present invention provides an automobile brake disc temperature regulation system with high efficiency thermal management, comprising: Sensor module: Based on the preset parameter type, a sensor is configured on the brake disc of the target vehicle and the original parameter data of the brake disc is collected in real time; Data analysis module: transmits the original parameter data to the central control system, pre-processes the original parameter data to obtain the standard parameter data, and determines the temperature status of the brake disc; Temperature control algorithm module: inputs the temperature control model based on standard parameter data and temperature status to obtain the temperature control braking strategy; Thermal management module: sends the temperature control braking strategy to the corresponding device of the brake disc based on the central control system to complete the temperature regulation; Feedback module: obtains the brake disc temperature adjustment results and feeds back the parameters of the temperature control model.

[0005] On the other hand, the sensor module comprises: Vehicle unit: According to the monitoring purpose, the type of the target vehicle of the research object is obtained, the target vehicle of the research object is determined, and the basic vehicle information of the target vehicle of the research object is obtained; Sensor unit: Select the corresponding sensor type according to the parameters to be monitored, and obtain the installation position of the vehicle brake disc based on the basic information of the vehicle; A unique first identifier is configured for the installation position of the automobile brake disc, and a unique second identifier is configured for the sensor. All sensors are configured and installed according to the matching relationship between the sensor and the installation position. The target vehicle is started until the vehicle runs stably at a preset speed, and then the brakes are applied until the target vehicle stops running, and the original parameter data of the brake disc during the entire movement process is collected in real time.

[0006] On the other hand, the sensor module comprises: Transmission unit: obtains the original parameter data collected by the sensor, the original parameter data is in signal format, transmits the original parameter data of any parameter type to the central control system, converts it into a digital signal through an analog-to-digital converter, performs signal conditioning and amplification, and obtains a first signal; The conversion unit maps each sample value in the first signal to a predetermined discrete value, specifically: ;in, Indicates the control parameter value after the nth sampling value is mapped. Indicates that the first signal has a total of N sampling values, represents the minimum sampling value of the first signal, represents the maximum sampled value of the first signal, represents a predetermined discrete value, Indicates the error influence, Represents the quantization error of the nth sample value, [ ] indicates a decoding function; Finally, the original comparison data of the parameter type is obtained.

[0007] On the other hand, the sensor module further includes: Preprocessing unit: clean the original control data of any parameter type, and process missing values ​​and abnormal values ​​to obtain the first parameter data; A standardization unit: performing unit standardization on the first parameter data of the parameter type according to a parameter type-standard unit mapping relationship to obtain standard parameter data; Judgment unit: obtain standard parameter data of temperature, obtain the rate of change of temperature, if the temperature change rate at the current moment exceeds the change threshold, determine that the brake disc temperature change is abnormal at the current moment; if the temperature at the previous moment exceeds the high temperature threshold, determine that the brake disc high temperature is abnormal.

[0008] On the other hand, the temperature control algorithm module includes: Temperature control model unit: according to the preset temperature control model, input the standard parameter data and temperature state, and adjust the preset control parameters of the preset temperature control model. The preset control parameters include: temperature control error coefficient, control signal penalty coefficient, control signal, and temperature change rate coefficient; ; Where F represents the preset temperature control model, represents the temperature control error coefficient, e(t) represents the temperature error function, t represents the temperature, represents the control signal based on temperature t, represents the control signal penalty coefficient, represents the temperature change rate coefficient, represents the temperature change rate function at temperature t, Indicates the preset temperature range; The preset control parameters of the preset temperature control model are iterated based on the least square method. If the preset temperature control model converges within the preset temperature range, the control parameters are determined to be optimal control parameters.

[0009] On the other hand, the temperature control algorithm module further includes: Control strategy unit: based on the optimal control signal in the optimal control parameter, generates a control strategy threshold value of the corresponding device of the brake disc according to the control output algorithm; It is determined whether the brake disc of the target vehicle is in a braking state according to the standard parameter data. If so, the braking parameter difference of the braking state is obtained in combination with the control strategy threshold value: , represents the control strategy threshold, Indicates the braking parameter value of the current braking state; If the brake parameter difference is greater than the preset difference, if so, determine the handbrake state of the target vehicle. If the handbrake state is pulled up, increase the driving current of the parking motor, strengthen the clamping force of the brake disc electronic caliper device, and generate a temperature control braking strategy for the parking motor; If the parking brake is in the released state, the cooling device will cool the brake disc according to the target cooling temperature of the control strategy threshold. The power required for cooling by the cooling device is: ;in, Indicates the power required for cooling equipment. Indicates the target cooling temperature. Indicates the current temperature of the target vehicle's brake disc. represents the mass of the target car, Indicates the preset speed, Indicates the speed after braking. represents the change in gravitational potential energy of the target car, Indicates the brake disc heat distribution coefficient, represents the energy conversion coefficient, Indicates the preset contact area between the cooling system and the brake disc; A temperature control braking strategy for the cooling device is generated according to the cooling power required by the cooling device.

[0010] On the other hand, the thermal management module comprises: Instruction unit: obtains the temperature control braking strategy and generates control instructions for the device based on the central control system; Control unit: distributes the control instructions of the corresponding equipment through the internal communication network of the central control system to complete the temperature regulation.

[0011] On the other hand, the feedback module comprises: Temperature judgment unit: obtains the brake disc temperature adjustment result, and judges whether the temperature change is balanced in combination with the balance function: ;in, represents the mass of the brake disc, c represents the preset specific heat capacity of the brake disc, Indicates the expected temperature of the brake disc after temperature adjustment. Indicates the temperature adjustment change, Indicates the heat generated during the braking process in temperature regulation, Represents the heat of the cooling process in temperature regulation, represents the efficiency coefficient of the cooling system, Indicates the control signal of the cooling system; If the balance function is balanced, it is determined that the temperature regulation is in line with expectations. Otherwise, it is determined that the temperature regulation is not in line with expectations, and the preset control parameters of the temperature control model are optimized and adjusted.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides an automobile brake disc temperature regulation system with efficient thermal management, which is used to monitor brake disc data in real time through sensors, analyze and judge the temperature state, formulate regulation strategies using temperature control algorithms, implement precise temperature control, and optimize the temperature control model through a feedback mechanism to ensure that the brake disc operates within a safe and efficient temperature range. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 The present invention is a schematic structural diagram of an efficient thermal management automobile brake disc temperature regulation system provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] Embodiment 1: like Figure 1 As shown, an embodiment of the present invention provides an efficient thermal management automobile brake disc temperature regulation system, comprising: Sensor module: Based on the preset parameter type, a sensor is configured on the brake disc of the target vehicle and the original parameter data of the brake disc is collected in real time; Data analysis module: transmits the original parameter data to the central control system, pre-processes the original parameter data to obtain the standard parameter data, and determines the temperature status of the brake disc; Temperature control algorithm module: inputs the temperature control model based on standard parameter data and temperature status to obtain the temperature control braking strategy; Thermal management module: sends the temperature control braking strategy to the corresponding device of the brake disc based on the central control system to complete the temperature regulation; Feedback module: obtains the brake disc temperature adjustment results and feeds back the parameters of the temperature control model.

[0017] In this embodiment, the preset parameter type refers to a fixed parameter defined according to actual needs during the system design phase, such as temperature, braking distance, pressure, rotation speed, etc.

[0018] In this embodiment, the target car refers to a specific car that needs to be temperature controlled in this system.

[0019] In this embodiment, the brake disc is a key component in the automobile braking system. It is used in conjunction with the brake pad (brake pad). Its main function is to convert the kinetic energy of the car into heat energy through friction, thereby achieving the effect of deceleration or stopping.

[0020] In this embodiment, the sensor is a device for detecting physical or chemical parameters and converting them into signals that can be processed or monitored. The types include: temperature, braking distance, pressure, rotation speed, etc.

[0021] In this embodiment, the original parameter data is the original physical signal collected by the sensor and not processed.

[0022] In this embodiment, the central control system is the core part of the entire brake disc temperature control management system, and is responsible for coordinating the work of each module to ensure the normal operation of the system.

[0023] In this embodiment, preprocessing refers to the process of performing preliminary processing on the original parameter data transmitted by the sensor module in the data analysis module, making the original data more standardized and accurate by removing noise, converting the format, filling in missing data, etc.

[0024] In this embodiment, the standard parameter data is data that meets the requirements of system analysis and temperature control algorithm after data preprocessing.

[0025] In this embodiment, the temperature state refers to the current temperature condition of the brake disc, which is a key indicator for evaluating whether the brake system is within a normal operating temperature range, whether there is overheating or overcooling, etc.

[0026] In this embodiment, the temperature control model is a mathematical calculation model, which is intended to adjust the temperature change of the brake disc according to real-time sensor data and preset parameters.

[0027] In this embodiment, the temperature control braking strategy is a regulation scheme calculated by the temperature control algorithm module through the temperature control model.

[0028] In this embodiment, the temperature adjustment result refers to the temperature change or adjustment result of the brake disc after the entire temperature control process is completed.

[0029] In this embodiment, the parameters of the temperature control model include: a temperature control error coefficient, a control signal penalty coefficient, a control signal, and a temperature change rate coefficient.

[0030] The working principle and beneficial effects of the above technical solution are: by accurately selecting sensors and determining installation locations, brake disc parameter data can be monitored in real time to ensure that key data is collected during vehicle operation and braking, which helps analyze brake disc performance, optimize thermal management and improve braking safety.

[0031] Embodiment 2: Based on the above embodiment 1, the sensor module includes: Vehicle unit: According to the monitoring purpose, the type of the target vehicle of the research object is obtained, the target vehicle of the research object is determined, and the basic vehicle information of the target vehicle of the research object is obtained; Sensor unit: Select the corresponding sensor type according to the parameters to be monitored, and obtain the installation position of the vehicle brake disc based on the basic information of the vehicle; A unique first identifier is configured for the installation position of the automobile brake disc, and a unique second identifier is configured for the sensor. All sensors are configured and installed according to the matching relationship between the sensor and the installation position. The target vehicle is started until the vehicle runs stably at a preset speed, and then the brakes are applied until the target vehicle stops running, and the original parameter data of the brake disc during the entire movement process is collected in real time.

[0032] In this embodiment, the monitoring purpose is to monitor the brake disc of the target vehicle in real time and collect data.

[0033] In this embodiment, the basic vehicle information refers to various basic, standardized technical data and descriptions related to the target vehicle, including: vehicle identification code, vehicle type, vehicle weight, engine type and power.

[0034] In this embodiment, the installation position refers to the specific position of the brake disc and the sensor on the vehicle.

[0035] In this embodiment, the first identification is to configure a unique identifier for the position of each brake disc.

[0036] In this embodiment, the second identification is to configure a unique identifier for each sensor.

[0037] In this embodiment, the preset speed refers to the stable driving speed to which the target vehicle needs to be accelerated before the braking test is performed.

[0038] The working principle and beneficial effects of the above technical solution are: by accurately selecting sensors and determining installation locations, brake disc parameter data can be monitored in real time to ensure that key data is collected during vehicle operation and braking, which helps analyze brake disc performance, optimize thermal management and improve braking safety.

[0039] Embodiment 2: Based on the above embodiment 1, the sensor module includes: Transmission unit: obtains the original parameter data collected by the sensor, the original parameter data is in signal format, transmits the original parameter data of any parameter type to the central control system, converts it into a digital signal through an analog-to-digital converter, performs signal conditioning and amplification, and obtains a first signal; The conversion unit maps each sample value in the first signal to a predetermined discrete value, specifically: ;in, Indicates the control parameter value after the nth sampling value is mapped. Indicates that the first signal has a total of N sampling values, represents the minimum sampling value of the first signal, represents the maximum sampled value of the first signal, represents a predetermined discrete value, Indicates the error influence, Represents the quantization error of the nth sample value, [ ] indicates a decoding function; Finally, the original comparison data of the parameter type is obtained.

[0040] In this embodiment, the analog-to-digital converter is an electronic device that converts an analog signal into a digital signal.

[0041] In this embodiment, the digital signal refers to a signal that is discrete in both time and amplitude and is represented by a series of binary numbers (0 and 1).

[0042] In this embodiment, regulating and amplifying refers to amplifying the amplitude of a signal by an electronic circuit during signal processing so as to increase the strength of the signal.

[0043] In this embodiment, the first signal refers to a signal that has been conditioned and amplified.

[0044] In this embodiment, the sampling value refers to a discrete value obtained from a continuous analog signal during the signal sampling process.

[0045] In this embodiment, the predetermined discrete value refers to a preset discretized value used to represent the original signal during the signal quantization process.

[0046] In this embodiment, the control parameter value is a value obtained by mapping each sampling value to a predetermined discrete value according to a given rule during the signal quantization process.

[0047] In this embodiment, the decoding function is used to decode the quantized, encoded or mapped digital signal into the original data format.

[0048] In this embodiment, the original control data is the data result after analog-to-digital conversion, signal conditioning, amplification and mapping.

[0049] The working principle and beneficial effects of the above technical solution are: by converting the original signal collected by the sensor into a digital signal, using analog-to-digital conversion and signal conditioning amplification, mapping it to a predetermined discrete value, reducing the impact of errors, ensuring the accuracy of parameter data, and providing reliable data support for subsequent analysis and temperature control strategies.

[0050] Embodiment 4: Based on the above embodiment 3, the sensor module further includes: Preprocessing unit: clean the original control data of any parameter type, and process missing values ​​and abnormal values ​​to obtain the first parameter data; A standardization unit: performing unit standardization on the first parameter data of the parameter type according to a parameter type-standard unit mapping relationship to obtain standard parameter data; Judgment unit: obtain standard parameter data of temperature, obtain the rate of change of temperature, if the temperature change rate at the current moment exceeds the change threshold, determine that the brake disc temperature change is abnormal at the current moment; if the temperature at the previous moment exceeds the high temperature threshold, determine that the brake disc high temperature is abnormal.

[0051] In this embodiment, data cleaning is to remove or correct errors, inconsistencies and incomplete parts in the data to ensure the quality and accuracy of the data.

[0052] In this embodiment, missing values ​​refer to data points that are not recorded or cannot be obtained in the data set.

[0053] In this embodiment, an outlier refers to a data point in a data set that does not conform to a normal trend compared with other data points.

[0054] In this embodiment, the first parameter data refers to valid data after the preprocessing unit performs data cleaning, missing value processing and outlier processing on the original data.

[0055] In this embodiment, the parameter type-standard unit mapping relationship refers to the rules for converting the original units of different parameter types (such as temperature, pressure, humidity, etc.) into unified standard units during the processing process.

[0056] In this embodiment, unit standardization refers to converting parameter data from different sources into unified, standard units.

[0057] In this embodiment, standard parameter data refers to parameter data that is obtained after being processed by a standardized unit and conforms to a unified standard unit.

[0058] In this embodiment, the change rate refers to the amount of change in temperature per unit time.

[0059] In this embodiment, the change threshold refers to a critical value used to determine whether the temperature change rate is abnormal.

[0060] In this embodiment, abnormal temperature change refers to a temperature change rate that exceeds a normal range, which generally means that the temperature changes too drastically or rapidly, which may cause damage to, for example, a brake disc and trigger a potential failure.

[0061] In this embodiment, the high temperature threshold refers to the maximum temperature of the brake disc within a normal working range in a specific application scenario.

[0062] The working principle and beneficial effects of the above technical solution are: ensuring the accuracy of collected data through data cleaning and standardization processing, and monitoring abnormal brake disc temperature in real time by judging the temperature change rate and threshold, timely identifying high temperature or temperature change abnormalities, and ensuring safe and stable operation of the braking system.

[0063] Embodiment 5: Based on the above embodiment 1, the temperature control algorithm module includes: Temperature control model unit: according to the preset temperature control model, input the standard parameter data and temperature state, and adjust the preset control parameters of the preset temperature control model. The preset control parameters include: temperature control error coefficient, control signal penalty coefficient, control signal, and temperature change rate coefficient; ; Where F represents the preset temperature control model, represents the temperature control error coefficient, e(t) represents the temperature error function, t represents the temperature, represents the control signal based on temperature t, represents the control signal penalty coefficient, represents the temperature change rate coefficient, represents the temperature change rate function at temperature t, Indicates the preset temperature range; The preset control parameters of the preset temperature control model are iterated based on the least square method. If the preset temperature control model converges within the preset temperature range, the control parameters are determined to be optimal control parameters.

[0064] In this embodiment, the preset temperature control model is based on control theory and thermodynamic principles, and presets initial control rules, algorithms and parameters to achieve effective management of temperature.

[0065] In this embodiment, the temperature control error coefficient is a parameter used to measure the difference between the actual temperature of the system and the target temperature.

[0066] In this embodiment, the control signal penalty coefficient is used to penalize excessive changes in the control signal to avoid excessive control actions.

[0067] In this embodiment, the function of the control signal in the temperature control model is to adjust the behavior of the system so that the temperature reaches a predetermined target, and the control signal is the input signal of the system.

[0068] In this embodiment, the temperature change rate coefficient is a parameter that describes the rate at which temperature changes over time and is used to reflect how fast the temperature changes.

[0069] In this embodiment, the least square method optimizes the control parameters by minimizing the sum of squares of the error terms of the preset control parameters according to the least square method, so that the preset temperature control model performs optimally within the preset temperature range.

[0070] In this embodiment, convergence means that during the optimization process, after a certain number of iterations and adjustments, the control parameters of the system tend to be stable and the error reaches a minimum value.

[0071] In this embodiment, the optimal control parameters can minimize the temperature error of the system, the amplitude of the control signal, and ensure that the temperature change rate remains within a preset safety range.

[0072] The working principle and beneficial effects of the above technical solution are: optimizing the control parameters in the temperature control model through the least squares method, adjusting the temperature control error, control signal penalty coefficient, etc., to ensure that the temperature change rate and temperature error converge within the preset temperature range, provide the optimal control strategy, effectively stabilize the brake disc temperature, and ensure safety.

[0073] Embodiment 6: Based on the above embodiment 5, the temperature control algorithm module further includes: Control strategy unit: based on the optimal control signal in the optimal control parameter, generates a control strategy threshold value of the corresponding device of the brake disc according to the control output algorithm; It is determined whether the brake disc of the target vehicle is in a braking state according to the standard parameter data. If so, the braking parameter difference of the braking state is obtained in combination with the control strategy threshold value: , represents the control strategy threshold, Indicates the braking parameter value of the current braking state; If the brake parameter difference is greater than the preset difference, if so, determine the handbrake state of the target vehicle. If the handbrake state is pulled up, increase the driving current of the parking motor, strengthen the clamping force of the brake disc electronic caliper device, and generate a temperature control braking strategy for the parking motor; If the parking brake is in the released state, the cooling device will cool the brake disc according to the target cooling temperature of the control strategy threshold. The power required for cooling by the cooling device is: ;in, Indicates the power required for cooling equipment. Indicates the target cooling temperature. Indicates the current temperature of the target vehicle's brake disc. represents the mass of the target car, Indicates the preset speed, Indicates the speed after braking. represents the change in gravitational potential energy of the target car, Indicates the brake disc heat distribution coefficient, represents the energy conversion coefficient, Indicates the preset contact area between the cooling system and the brake disc; A temperature control braking strategy for the cooling device is generated according to the cooling power required by the cooling device.

[0074] In this embodiment, the optimal control signal is a control signal obtained by an optimal control algorithm while ensuring that the following objectives are met in a braking state.

[0075] In this embodiment, the control output algorithm is a process of comparing the system state with the target and calculating the optimal control signal based on the optimal control strategy.

[0076] In this embodiment, the control strategy threshold refers to a parameter standard obtained according to a control output algorithm in a control system.

[0077] In this embodiment, the braking state refers to whether the braking system of the vehicle is working or whether it is in an effective braking process.

[0078] In this embodiment, the braking parameters refer to various physical quantities related to the performance and status of the automobile braking system, such as brake pedal distance, brake torque, brake pressure, brake disc friction, etc.

[0079] In this embodiment, the preset difference refers to a predefined standard value used to determine the difference between the current braking system state and the control strategy threshold.

[0080] In this embodiment, the handbrake state refers to the state of the parking brake system of the vehicle, which is mainly used to prevent the vehicle from sliding when parking.

[0081] In this embodiment, the parking motor is an electric drive device used in the parking brake system of an automobile, and is used in conjunction with an electronic parking brake system (EPB) to help apply sufficient braking force when the automobile is parked to prevent the automobile from sliding and ensure vehicle safety.

[0082] In this embodiment, the electronic caliper device is used to implement the braking function of the vehicle, especially to control the clamping force of the brake disc when parking.

[0083] In this embodiment, the target cooling temperature refers to a preset desired temperature when the brake disc is cooled by the cooling device under specific operating conditions.

[0084] In this embodiment, the cooling device refers to a device specially designed to control the temperature of the brake system, and to reduce the temperature of the brake disc when the temperature is too high.

[0085] In this embodiment, the brake disc heat distribution coefficient is a parameter used to describe the heat distribution and conduction of the brake disc during the braking process.

[0086] In this embodiment, the energy conversion coefficient is a parameter used to describe the efficiency of converting energy from one form to another in a system.

[0087] The working principle and beneficial effects of the above technical solution are: by generating a control strategy threshold based on the optimal control signal, judging the brake disc status and adjusting the control strategy of the handbrake, parking motor and cooling equipment, the brake disc temperature can be accurately adjusted to ensure effective control of temperature changes under different braking conditions and optimize braking performance and safety.

[0088] Embodiment 7: Based on the above embodiment 1, the thermal management module includes: Instruction unit: obtains the temperature control braking strategy and generates control instructions for the device based on the central control system; Control unit: distributes the control instructions of the corresponding equipment through the internal communication network of the central control system to complete the temperature regulation.

[0089] In this embodiment, the temperature control braking strategy is a strategy for regulating and controlling temperature changes in the system. When applied in the braking system, it manages and optimizes the temperature state of key components such as brake discs to ensure that they are within a safe and effective operating range.

[0090] In this embodiment, the control instruction refers to a specific operation command generated by the central control system according to the temperature monitoring data and strategy.

[0091] In this embodiment, the internal communication network refers to a network structure connecting different components in a system.

[0092] The working principle and beneficial effects of the above technical solution are: generating and distributing temperature control instructions through the central control system, ensuring that each device performs temperature regulation according to the temperature control braking strategy, adjusting the brake disc temperature in real time, improving the system response efficiency and accuracy, and ensuring stable and safe braking performance.

[0093] Embodiment 8: Based on the above embodiment 5, the feedback module includes: Temperature judgment unit: obtains the brake disc temperature adjustment result, and judges whether the temperature change is balanced in combination with the balance function: ;in, represents the mass of the brake disc, c represents the preset specific heat capacity of the brake disc, Indicates the expected temperature of the brake disc after temperature adjustment. Indicates the temperature adjustment change, Indicates the heat generated during the braking process in temperature regulation, Represents the heat of the cooling process in temperature regulation, represents the efficiency coefficient of the cooling system, Indicates the control signal of the cooling system; If the balance function is balanced, it is determined that the temperature regulation is in line with expectations. Otherwise, it is determined that the temperature regulation is not in line with expectations, and the preset control parameters of the temperature control model are optimized and adjusted.

[0094] In this embodiment, the balance function is a function for determining whether the temperature change is in line with expectations.

[0095] In this embodiment, expected refers to the equilibrium state expected to be achieved during the temperature regulation process.

[0096] The working principle and beneficial effects of the above technical solution are: judging the temperature regulation effect through the balance function, combining factors such as brake disc mass and specific heat capacity, and monitoring in real time whether the temperature change meets expectations. If it is unbalanced, optimize the control parameters to improve the regulation accuracy of the temperature control model and the stability of the system, and ensure that the temperature regulation is effective.

[0097] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An efficient thermal management automobile brake disc temperature regulation system, characterized in that: include: Sensor module: Based on the preset parameter type, a sensor is configured on the brake disc of the target vehicle and the original parameter data of the brake disc is collected in real time; Data analysis module: transmits the original parameter data to the central control system, pre-processes the original parameter data to obtain the standard parameter data, and determines the temperature status of the brake disc; Temperature control algorithm module: inputs the temperature control model based on standard parameter data and temperature status to obtain the temperature control braking strategy; Thermal management module: sends the temperature control braking strategy to the corresponding device of the brake disc based on the central control system to complete the temperature regulation; Feedback module: obtains the brake disc temperature adjustment results and feeds back the parameters of the temperature control model.

2. The efficient thermal management automobile brake disc temperature regulation system according to claim 1 is characterized in that: The sensor module comprises: Vehicle unit: according to the monitoring purpose, obtain the type of the target vehicle of the research object, determine the target vehicle of the research object, and obtain the basic vehicle information of the target vehicle of the research object; Sensor unit: Select the corresponding sensor type according to the parameters to be monitored, and obtain the installation position of the vehicle brake disc based on the basic information of the vehicle; A unique first identifier is configured for the installation position of the automobile brake disc, and a unique second identifier is configured for the sensor. All sensors are configured and installed according to the matching relationship between the sensor and the installation position. The target vehicle is started until the vehicle runs stably at a preset speed, and then the brakes are applied until the target vehicle stops running, and the original parameter data of the brake disc during the entire movement process is collected in real time.

3. The efficient thermal management automobile brake disc temperature regulation system according to claim 1 is characterized in that: The sensor module comprises: Transmission unit: obtains the original parameter data collected by the sensor, the original parameter data is in signal format, transmits the original parameter data of any parameter type to the central control system, converts it into a digital signal through an analog-to-digital converter, performs signal conditioning and amplification, and obtains a first signal; The conversion unit maps each sample value in the first signal to a predetermined discrete value, specifically: ;in, Indicates the control parameter value after the nth sampling value is mapped. Indicates that the first signal has a total of N sampling values, represents the minimum sampling value of the first signal, represents the maximum sampled value of the first signal, represents a predetermined discrete value, Indicates the error influence, Represents the quantization error of the nth sample value, [ ] indicates a decoding function; Finally, the original comparison data of the parameter type is obtained.

4. The efficient thermal management automobile brake disc temperature regulation system according to claim 3 is characterized in that: The sensor module further includes: Preprocessing unit: clean the original control data of any parameter type, and process missing values ​​and abnormal values ​​to obtain the first parameter data; A standardization unit: performing unit standardization on the first parameter data of the parameter type according to a parameter type-standard unit mapping relationship to obtain standard parameter data; Judgment unit: obtain standard parameter data of temperature, obtain the rate of change of temperature, if the temperature change rate at the current moment exceeds the change threshold, determine that the brake disc temperature change is abnormal at the current moment; if the temperature at the previous moment exceeds the high temperature threshold, determine that the brake disc high temperature is abnormal.

5. The efficient thermal management automobile brake disc temperature regulation system according to claim 1 is characterized in that: The temperature control algorithm module includes: Temperature control model unit: according to the preset temperature control model, input the standard parameter data and temperature state, and adjust the preset control parameters of the preset temperature control model. The preset control parameters include: temperature control error coefficient, control signal penalty coefficient, control signal, and temperature change rate coefficient; ; Where F represents the preset temperature control model, represents the temperature control error coefficient, e(t) represents the temperature error function, t represents the temperature, represents the control signal based on temperature t, represents the control signal penalty coefficient, represents the temperature change rate coefficient, represents the temperature change rate function at temperature t, Indicates the preset temperature range; The preset control parameters of the preset temperature control model are iterated based on the least square method. If the preset temperature control model converges within the preset temperature range, the control parameters are determined to be optimal control parameters.

6. The efficient thermal management automobile brake disc temperature regulation system according to claim 5, characterized in that: The temperature control algorithm module further includes: Control strategy unit: based on the optimal control signal in the optimal control parameter, generates a control strategy threshold value of the corresponding device of the brake disc according to the control output algorithm; It is determined whether the brake disc of the target vehicle is in a braking state according to the standard parameter data. If so, the braking parameter difference of the braking state is obtained by combining the control strategy threshold value: , represents the control strategy threshold, Indicates the braking parameter value of the current braking state; If the brake parameter difference is greater than the preset difference, if so, determine the handbrake state of the target vehicle. If the handbrake state is pulled up, increase the driving current of the parking motor, strengthen the clamping force of the brake disc electronic caliper device, and generate a temperature control braking strategy for the parking motor; If the parking brake is in the released state, the cooling device will cool the brake disc according to the target cooling temperature of the control strategy threshold. The power required for cooling by the cooling device is: ;in, Indicates the power required for cooling equipment. Indicates the target cooling temperature. Indicates the current temperature of the target vehicle's brake disc. represents the mass of the target car, Indicates the preset speed, Indicates the speed after braking. represents the change in gravitational potential energy of the target car, Indicates the brake disc heat distribution coefficient, represents the energy conversion coefficient, Indicates the preset contact area between the cooling system and the brake disc; A temperature control braking strategy for the cooling device is generated according to the cooling power required by the cooling device.

7. The efficient thermal management automobile brake disc temperature regulation system according to claim 1, characterized in that: The thermal management module comprises: Instruction unit: obtains the temperature control braking strategy and generates control instructions for the device based on the central control system; Control unit: distributes the control instructions of the corresponding equipment through the internal communication network of the central control system to complete the temperature regulation.

8. The efficient thermal management automobile brake disc temperature regulation system according to claim 5, characterized in that: The feedback module comprises: Temperature judgment unit: obtains the brake disc temperature adjustment result, and judges whether the temperature change is balanced in combination with the balance function: ;in, represents the mass of the brake disc, c represents the preset specific heat capacity of the brake disc, Indicates the expected temperature of the brake disc after temperature adjustment. Indicates the temperature adjustment change, Indicates the heat generated during the braking process in temperature regulation, Represents the heat of the cooling process in temperature regulation, represents the efficiency coefficient of the cooling system, Indicates the control signal of the cooling system; If the balance function is balanced, it is determined that the temperature regulation is in line with expectations. Otherwise, it is determined that the temperature regulation is not in line with expectations, and the preset control parameters of the temperature control model are optimized and adjusted.

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