Electronic brake system for road vehicles

An electronic brake system for road vehicles, with a electronic device serving to control brake-pressure modulators, wherein,

• a) the electronic device is subdivided into several wheel modules (1, 2, 3, 4) each including their respective own intelligence function device coordinated to respective wheels and furnished with at least a microprocessor, which several wheel modules (1, 2, 3, 4) are disposed spatially in the neighborhood of the respective wheels, and one supervising central module (5, 6), furnished with a microprocessor with its individual intelligence, which supervising central module (5, 6) is disposed at a central location of a vehicle;
• b) the supervising central module (5, 6) receives at least values of an operating brake-value transmitter (18) and of a statue of a parking brake (19);
• c) the wheel modules (1, 2, 3, 4) receive a brake pressure reference value from the supervising central module (5, 6);
• d) the wheel modules (1, 2, 3, 4) receive at least a measurement value for the wheel speed and for a brake pressure from sensors (32, 33),
• e) the wheel modules (1, 2, 3, 4) transmit at least one of the measurement values received by the wheel modules (1, 2, 3, 4) and information derived from the measurement values, respectively, to the supervising central module (5, 6);
• f) the wheel modules (1, 2, 3, 4) generate electric output signals for control of a corresponding brake-pressure modulator (29), which brake-pressure modulator (29) is constructively combined with the wheel modules (1, 2, 3, 4);
• g) the information exchange between the supervising central module (5, 6) and the wheel modules (1, 2, 3, 4) is performed via at least one wheel module data bus line (7, 8) with predetermined interfaces, wherein an antilock function furnished by an antilock braking system and an antiskid function furnished by a drive slip control system are contained in the wheel modules (1, 2, 3, 4), and wherein a vehicle reference speed for the antilock function is formed in the supervising central module (5, 6), and the intelligence function of the wheel modules is independent of inputs from the central module.

An electronic brake system for road vehicles comprising

• a plurality of sensors disposed with each of the plurality of sensors disposed near a respective wheel;
• a plurality of brake-pressure modulators with each of the plurality of brake-pressure modulators disposed near the respective wheel;
• a plurality of wheel modules, with each wheel module of the plurality of wheel modules coordinated to the respective wheel and disposed spatially in the neighborhood of the respective wheel, with each wheel module of the plurality of wheel modules including its respective own intelligence function furnished by a respective one of a plurality of microprocessors, and wherein each wheel module of the plurality of the wheel modules receives a measurement value for a wheel speed and for a brake pressure from a respective one of said plurality of sensors, and wherein the plurality of wheel modules generate electric output signals for control of said plurality of brake-pressure modulators;
• an operating brake-value transmitter for transmitting a brake value entered by a driver;
• a parking brake;
• a plurality of wheel module data bus lines;
• a supervising central module located at a central position of a vehicle and furnished with a microprocessor, wherein the supervising central module includes an individual intelligence function, and wherein the supervising central module is connected to and is receiving signal values from the operating brake-value transmitter and from the parking brake, and wherein the supervising central module transfers brake pressure reference values to respective ones of the plurality of wheel modules, and wherein respective ones of the plurality of wheel modules transmit at least one of the measurement values delivered by the sensors to the supervising central module, wherein the information exchange between the supervising central module and the plurality of the wheel modules is performed through respective ones of the plurality of wheel module data bus lines, and wherein the plurality of wheel modules and the supervising central module together form an electronic device serving to control the plurality of brake-pressure modulators and wherein the supervising central module modifies the brake value received from the operating brake value transmitter and wherein the supervising central module feeds the modified brake values to respective ones of the plurality of wheel modules for automatically adjusting reference braking forces, and the intelligence function of the wheel modules is independent of inputs from the central module.

An electronic brake system for road vehicles comprising

• a plurality of sensors disposed with each of the plurality of sensors disposed near a respective wheel;
• a plurality of brake-pressure modulators with each of the plurality of brake-pressure modulators disposed near the respective wheel;
• a plurality of wheel modules, with each wheel module of the plurality of wheel modules coordinated to the respective wheel and disposed spatially in the neighborhood of the respective wheel, with each wheel module of the plurality of wheel modules including its respective own intelligence function furnished by a respective one of a plurality of microprocessors, and wherein each wheel module of the plurality of the wheel modules receives a measurement value for wheel speed and for a brake pressure from a respective one of said plurality of sensors, and wherein the plurality of wheel modules generate electric output signals for control of said plurality of brake-pressure modulators;
• an operating brake-value transmitter for entering a position of a brake pedal;
• a parking brake;
• a plurality of wheel module data bus lines;
• a supervising central module located at a central position of a vehicle and furnished with a microprocessor, wherein the supervising central module includes an individual intelligence function, and wherein the supervising central module is connected to and is receiving signal values from the operating brake-value transmitter and from the parking brake, and wherein the supervising central module transfers brake pressure reference values to respective ones of the plurality of wheel modules, and wherein respective ones of the plurality of wheel modules transmit at least one of the measurement values delivered by the sensors to the supervising central module, wherein the information exchange between the supervising central module and the plurality of the wheel modules is performed through respective ones of the plurality of wheel module data bus lines, and wherein the plurality of wheel modules and the supervising central module together form an electronic device serving to control the plurality of brake-pressure modulators, and wherein the supervising central module is capable of triggering electronic switches for separating respective ones of the wheel modules from their respective power supplies, and wherein the supervising central module coordinates actions performed under control of the plurality of wheel modules, and the intelligence function of the wheel modules is independent of inputs from the central module.

An electronic brake system for road vehicles comprising

• sensors disposed near a respective wheel;
• brake modulators disposed near the respective wheel;
• a plurality of wheel modules, with each wheel module including its respective own intelligence function, and with each wheel module coordinated to the respective wheel, and with each wheel module including at least one microprocessor, wherein each wheel module is disposed spatially in the neighborhood of the respective wheel, and wherein the wheel modules receive at least a measurement value for wheel speed and for brake pressure from said sensors, and wherein the wheel modules generate electric output signals for control of said brake-pressure modulators;
• an operating brake-value transmitter;
• a parking brake;
• wheel module data bus lines;
• two supervising central modules located at a central position of a vehicle and furnished with a microprocessor, wherein the supervising central modules include an individual intelligence function, and wherein the central modules are connected to and are receiving signal values from the operating brake-value transmitter and from the parking brake, and wherein the central modules transfer brake pressure reference values to the wheel modules, and wherein the wheel modules transmit at least one of the measurement values received by the sensors to the central modules, wherein the information exchange between the central modules and the wheel modules is performed via at least one of the wheel module data bus lines with predetermined interfaces, and wherein the wheel modules and the central supervising module together form an electronic device serving to control the brake-pressure modulators, and the intelligence function of the wheel modules is independent of inputs from the central modules.