{"id":100076,"date":"2026-02-15T20:15:17","date_gmt":"2026-02-15T20:15:17","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100076"},"modified":"2026-02-15T20:15:17","modified_gmt":"2026-02-15T20:15:17","slug":"diagnostic-matrix","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/tl\/calculators\/diagnostic-matrix\/","title":{"rendered":"Vibration Diagnostic Matrix | ISO 13379 | Pagkilala ng Kalagayan"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Vibration Diagnostic Matrix\",\"description\":\"Interactive vibration fault identification tool based on pattern matching of vibration symptoms.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/diagnostic-matrix\/\",\"applicationCategory\":\"Engineering 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10px}\n.vc-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13px}\n.vc-table th,.vc-table td{padding:10px 12px;border:1px solid var(--vc-border-light);text-align:left}\n.vc-table th{background:var(--vc-surface-alt);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--vc-ink-secondary)}\n.vc-table tr:nth-child(even){background:var(--vc-surface-alt)}\n.vc-related{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}\n.vc-related-link{display:inline-block;padding:8px 16px;font-family:var(--vc-font);font-size:13px;font-weight:600;background:var(--vc-surface-alt);color:var(--vc-ink-secondary);border:1px solid var(--vc-border);border-radius:var(--vc-radius);text-decoration:none;transition:all 0.15s}\n.vc-related-link:hover{border-color:var(--vc-accent);color:var(--vc-accent);background:var(--vc-accent-light)}\n.vc-promo{margin-top:24px;padding:20px;background:linear-gradient(135deg,var(--vc-accent-light),var(--vc-surface));border:1px solid var(--vc-border);border-radius:var(--vc-radius-lg);display:flex;align-items:center;gap:16px}\n.vc-promo-text{flex:1;font-size:14px;color:var(--vc-ink-secondary)}\n.vc-promo-text strong{color:var(--vc-ink)}\n.vc-promo-link{padding:8px 20px;font-size:13px;font-weight:700;color:#fff;background:var(--vc-accent);border-radius:var(--vc-radius);text-decoration:none;white-space:nowrap;transition:background 0.15s}\n.vc-promo-link:hover{background:var(--vc-accent-hover)}\n.vc-footer{text-align:center;padding:32px 16px;font-size:13px;color:var(--vc-ink-muted)}\n.vc-footer a{color:var(--vc-accent);text-decoration:none}\n.vc-footer a:hover{text-decoration:underline}\n.vc-footer-links{margin-top:8px;font-size:12px}\n.vc-footer-links a{margin:0 8px}\n@media print{.vc-section-body{max-height:none!important}.vc-results{max-height:none!important;padding:24px!important}.vc-promo{display:none!important}}\n<\/style>\n\n<div class=\"vc-calculator\" id=\"vc-diag-matrix\">\n\n<header class=\"vc-header\">\n    <p class=\"vc-header-eyebrow\">Free Engineering Tool<\/p>\n    <h1 class=\"vc-header-title\">Vibration Diagnostic Matrix<\/h1>\n    <p class=\"vc-header-subtitle\">Select observed vibration symptoms to identify probable faults ranked by confidence level. Based on ISO 13379 pattern matching and industry experience.<\/p>\n    <div class=\"vc-badges\">\n        <span class=\"vc-badge\">ISO 13379<\/span>\n        <span class=\"vc-badge\">Pattern Matching<\/span>\n        <span class=\"vc-badge\">15+ Fault Types<\/span>\n    <\/div>\n<\/header>\n\n<div class=\"vc-card\">\n    <div class=\"vc-form\">\n        <div style=\"font-size:12px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;color:var(--vc-ink-secondary);margin-bottom:12px;\">Select Observed Symptoms<\/div>\n        <div class=\"vc-symptom-grid\" id=\"vc-symptoms\"><\/div>\n        <div class=\"vc-btn-row\">\n            <button type=\"button\" class=\"vc-btn vc-btn-primary\" id=\"vc-diagnose\">Diagnose<\/button>\n            <button type=\"button\" class=\"vc-btn vc-btn-secondary\" id=\"vc-clear\">Clear All<\/button>\n        <\/div>\n    <\/div>\n    <div class=\"vc-results\" id=\"vc-results\">\n        <div class=\"vc-results-head\">\n            <h2 class=\"vc-results-title\">Probable Faults<\/h2>\n        <\/div>\n        <div class=\"vc-fault-list\" id=\"vc-fault-list\"><\/div>\n    <\/div>\n<\/div>\n\n<!-- Theory -->\n<div class=\"vc-section\" id=\"vc-sec-theory\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\">\n        <span class=\"vc-section-toggle-text\">\n            <span class=\"vc-section-icon\">\ud83d\udcd8<\/span>\n            <span class=\"vc-section-title\">Diagnostic Reference<\/span>\n        <\/span>\n        <svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner vc-theory\">\n            <h3>How This Tool Works<\/h3>\n            <p>Each fault type has a characteristic vibration &#8220;fingerprint&#8221; \u2014 a specific pattern of symptoms. This tool uses a weighted scoring system to match your selected symptoms against known fault patterns and ranks them by confidence.<\/p>\n            <p>The confidence percentage indicates how well the selected symptoms match the typical pattern for each fault. Higher confidence means more symptoms match.<\/p>\n\n            <h3>Quick Reference: Common Fault Patterns<\/h3>\n            <table class=\"vc-table\">\n                <thead><tr><th>Fault<\/th><th>Key Indicators<\/th><th>Direction<\/th><\/tr><\/thead>\n                <tbody>\n                    <tr><td>Unbalance<\/td><td>High 1\u00d7, proportional to speed\u00b2<\/td><td>Radial dominant<\/td><\/tr>\n                    <tr><td>Angular misalignment<\/td><td>High 1\u00d7 and 2\u00d7 axial<\/td><td>Axial dominant<\/td><\/tr>\n                    <tr><td>Offset misalignment<\/td><td>High 2\u00d7 radial<\/td><td>Radial dominant<\/td><\/tr>\n                    <tr><td>Mechanical looseness<\/td><td>Multiple harmonics, subharmonics<\/td><td>Radial dominant<\/td><\/tr>\n                    <tr><td>Bearing defect (outer race)<\/td><td>BPFO + harmonics, non-synchronous<\/td><td>Radial<\/td><\/tr>\n                    <tr><td>Bearing defect (inner race)<\/td><td>BPFI + harmonics, modulated by 1\u00d7<\/td><td>Radial<\/td><\/tr>\n                    <tr><td>Gear mesh problems<\/td><td>GMF + sidebands<\/td><td>Radial &#038; axial<\/td><\/tr>\n                    <tr><td>Resonance<\/td><td>High at specific frequency, speed-dependent<\/td><td>Depends on mode<\/td><\/tr>\n                <\/tbody>\n            <\/table>\n\n            <div style=\"background:var(--vc-yellow-light);border-left:3px solid var(--vc-yellow);padding:14px 16px;border-radius:0 6px 6px 0;margin:14px 0;\">\n                <p style=\"margin:0;font-size:14px;color:var(--vc-ink-secondary);\"><strong>\u26a0\ufe0f Disclaimer:<\/strong> This tool provides guidance based on pattern matching. Vibration diagnosis requires expertise and often additional data (phase, time waveform, operating conditions). Always validate results with an experienced analyst.<\/p>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- Related -->\n<div class=\"vc-section\" id=\"vc-sec-related\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\">\n        <span class=\"vc-section-toggle-text\">\n            <span class=\"vc-section-icon\">\ud83d\udd17<\/span>\n            <span class=\"vc-section-title\">Related Tools<\/span>\n        <\/span>\n        <svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner\">\n            <div class=\"vc-related\">\n                <a class=\"vc-related-link\" href=\"\/calculators\/vibration-glossary\/\">Vibration Glossary<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/residual-unbalance-iso1940\/\">Residual Unbalance<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/motor-winding-resistance\/\">Motor Winding Resistance<\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"vc-promo\">\n    <div class=\"vc-promo-text\">\n        <strong>Vibromera \u2014 Portable Balancing &#038; Vibration Analysis<\/strong><br>\n        Professional field balancing instruments and software. Used in 50+ countries.\n    <\/div>\n    <a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a>\n<\/div>\n\n<footer class=\"vc-footer\">\n    <p>\u00a9 2024\u20132025 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a> \u2014 Engineering Calculators<\/p>\n    <p style=\"font-size:12px;margin-top:4px;\">Based on ISO 13379. Last updated: February 2025<\/p>\n    <div class=\"vc-footer-links\">\n        <a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a>\n        <a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a>\n    <\/div>\n<\/footer>\n\n<\/div>\n\n<script>\n(function() {\n    'use strict';\n\n    var SYMPTOMS = [\n        {id:'1x_high',label:'1\u00d7 (shaft speed) high'},\n        {id:'2x_high',label:'2\u00d7 high'},\n        {id:'3x_high',label:'3\u00d7 or higher harmonics'},\n        {id:'subharm',label:'Subharmonics (0.5\u00d7, 0.33\u00d7)'},\n        {id:'broadband',label:'Broadband \/ raised noise floor'},\n        {id:'non_sync',label:'Non-synchronous peaks'},\n        {id:'axial_dom',label:'Axial vibration dominant'},\n        {id:'radial_dom',label:'Radial vibration dominant'},\n        {id:'unstable',label:'Amplitude unstable \/ fluctuating'},\n        {id:'speed_dep',label:'Speed-dependent (changes with RPM)'},\n        {id:'load_dep',label:'Load-dependent'},\n        {id:'high_freq',label:'High-frequency energy (HFD\/envelope)'},\n        {id:'sidebands',label:'Sidebands around a peak'},\n        {id:'impulsive',label:'Impulsive time waveform'},\n        {id:'phase_stable',label:'Phase stable at 1\u00d7'},\n        {id:'phase_unstable',label:'Phase unstable \/ erratic'},\n        {id:'bpf_high',label:'Blade\/vane pass frequency high'},\n        {id:'gmf_high',label:'Gear mesh frequency high'},\n        {id:'thermal',label:'Changes with temperature'},\n        {id:'startup',label:'High during startup\/shutdown'}\n    ];\n\n    var FAULTS = [\n        {name:'Mass Unbalance',desc:'Uneven mass distribution on rotor. Most common cause of 1\u00d7 vibration. Force proportional to speed\u00b2. Phase stable.',symptoms:{'1x_high':5,radial_dom:3,speed_dep:4,phase_stable:4,load_dep:0},max:16},\n        {name:'Angular Misalignment',desc:'Shaft centerlines meet at an angle at the coupling. Produces high axial vibration at 1\u00d7 and 2\u00d7.',symptoms:{'1x_high':3,'2x_high':4,axial_dom:5,speed_dep:2,phase_stable:3},max:17},\n        {name:'Offset (Parallel) Misalignment',desc:'Shaft centerlines are parallel but offset. Strong 2\u00d7 radial vibration. Also affects 1\u00d7 and 3\u00d7.',symptoms:{'1x_high':2,'2x_high':5,'3x_high':2,radial_dom:4,phase_stable:2},max:15},\n        {name:'Mechanical Looseness \u2014 Structural',desc:'Loose bolts, soft foot, or cracked frame. Produces harmonics of 1\u00d7 and sometimes subharmonics.',symptoms:{'1x_high':2,'2x_high':3,'3x_high':4,subharm:3,radial_dom:3,phase_unstable:3},max:18},\n        {name:'Mechanical Looseness \u2014 Rotating',desc:'Excessive bearing clearance or loose rotor on shaft. Many harmonics, often directional.',symptoms:{'1x_high':2,'2x_high':2,'3x_high':5,subharm:4,radial_dom:2,unstable:3,phase_unstable:3},max:21},\n        {name:'Rolling Element Bearing \u2014 Early Stage',desc:'Microscopic defects on races or balls. Detectable only in high-frequency \/ envelope analysis. Normal spectrum may look clean.',symptoms:{high_freq:5,impulsive:3,non_sync:3,broadband:1},max:12},\n        {name:'Rolling Element Bearing \u2014 Intermediate',desc:'Defect visible in spectrum as BPFI\/BPFO peaks with harmonics and sidebands. Increasing amplitude.',symptoms:{non_sync:5,high_freq:4,sidebands:4,impulsive:4,broadband:2,radial_dom:2},max:21},\n        {name:'Rolling Element Bearing \u2014 Advanced',desc:'Major defect. High broadband noise, loss of discrete peaks. Audible noise. Failure imminent.',symptoms:{broadband:5,non_sync:3,high_freq:3,impulsive:3,unstable:3,radial_dom:2},max:19},\n        {name:'Journal Bearing \u2014 Oil Whirl',desc:'Subsynchronous vibration at 0.42\u20130.48\u00d7 shaft speed in fluid-film bearings. Speed-dependent.',symptoms:{subharm:5,unstable:3,speed_dep:4,radial_dom:3,non_sync:3},max:18},\n        {name:'Journal Bearing \u2014 Oil Whip',desc:'Severe subsynchronous vibration locked at first critical speed. Load-dependent. Can be catastrophic.',symptoms:{subharm:5,unstable:4,speed_dep:2,load_dep:4,radial_dom:3,non_sync:3},max:21},\n        {name:'Gear Mesh Problem',desc:'Worn, damaged, or eccentric gears. GMF prominent with sidebands spaced at shaft speed.',symptoms:{gmf_high:5,sidebands:5,'3x_high':2,load_dep:3,high_freq:2},max:17},\n        {name:'Resonance',desc:'Structural or rotor natural frequency excited by an operating speed or force. Very high at a specific speed, drops off dramatically at other speeds.',symptoms:{'1x_high':3,speed_dep:5,startup:5,radial_dom:2,unstable:2},max:17},\n        {name:'Bent Shaft',desc:'Permanent shaft bow. High 1\u00d7 axial. 2\u00d7 can be present. Phase difference ~180\u00b0 between bearings on same shaft.',symptoms:{'1x_high':4,'2x_high':2,axial_dom:4,phase_stable:3,speed_dep:2},max:15},\n        {name:'Aerodynamic \/ Hydraulic Forces',desc:'Blade pass \/ vane pass excitation, recirculation, cavitation. BPF high. Load and flow dependent.',symptoms:{bpf_high:5,broadband:3,load_dep:5,high_freq:2,unstable:2},max:17},\n        {name:'Electrical \u2014 Rotor Problems',desc:'Broken rotor bars, eccentric rotor. 1\u00d7 with sidebands at slip frequency \u00d7 pole pass. Load-dependent.',symptoms:{'1x_high':4,sidebands:3,load_dep:5,speed_dep:2,unstable:2},max:16},\n        {name:'Electrical \u2014 Stator Problems',desc:'Uneven air gap, loose stator laminations. 2\u00d7 line frequency (100\/120 Hz). Disappears instantly on power cut.',symptoms:{'2x_high':4,broadband:2,load_dep:3,unstable:2,radial_dom:2},max:13},\n        {name:'Belt Drive Problems',desc:'Worn, misaligned, or loose belts. Peaks at belt frequency (sub-synchronous) and its harmonics. 2\u00d7 belt frequency common for misaligned belts.',symptoms:{subharm:4,non_sync:4,'1x_high':2,unstable:2,radial_dom:2},max:14}\n    ];\n\n    function $(id) { return document.getElementById(id); }\n\n    \/\/ Render symptoms\n    var sympGrid = $('vc-symptoms');\n    SYMPTOMS.forEach(function(s) {\n        sympGrid.innerHTML += '<label class=\"vc-symptom-label\"><input type=\"checkbox\" value=\"' + s.id + '\"><span class=\"vc-symptom-check\"><\/span><span class=\"vc-symptom-text\">' + s.label + '<\/span><\/label>';\n    });\n\n    function diagnose() {\n        var checked = [];\n        sympGrid.querySelectorAll('input:checked').forEach(function(cb) { checked.push(cb.value); });\n\n        if (checked.length === 0) {\n            $('vc-fault-list').innerHTML = '<div class=\"vc-no-selection\">Select at least one symptom above, then click <strong>Diagnose<\/strong>.<\/div>';\n            $('vc-results').classList.add('vc-visible');\n            return;\n        }\n\n        var scores = FAULTS.map(function(fault, idx) {\n            var score = 0;\n            var matched = 0;\n            checked.forEach(function(s) {\n                if (fault.symptoms[s]) {\n                    score += fault.symptoms[s];\n                    matched++;\n                }\n            });\n            var confidence = Math.min(100, Math.round((score \/ fault.max) * 100));\n            return { idx: idx, score: score, confidence: confidence, matched: matched };\n        });\n\n        scores.sort(function(a, b) { return b.score - a.score || b.confidence - a.confidence; });\n        scores = scores.filter(function(s) { return s.score > 0; });\n\n        var html = '';\n        var maxScore = scores.length > 0 ? scores[0].score : 1;\n\n        scores.forEach(function(s, rank) {\n            var f = FAULTS[s.idx];\n            var confClass = s.confidence >= 60 ? 'vc-conf-high' : (s.confidence >= 30 ? 'vc-conf-med' : 'vc-conf-low');\n            var barColor = s.confidence >= 60 ? 'var(--vc-red)' : (s.confidence >= 30 ? 'var(--vc-yellow)' : 'var(--vc-blue)');\n\n            html += '<div class=\"vc-fault-item\">';\n            html += '<div class=\"vc-fault-rank\">#' + (rank + 1) + '<\/div>';\n            html += '<div class=\"vc-fault-details\">';\n            html += '<div class=\"vc-fault-name\">' + f.name + '<\/div>';\n            html += '<span class=\"vc-fault-conf ' + confClass + '\">' + s.confidence + '% confidence (' + s.matched + ' symptoms match)<\/span>';\n            html += '<p class=\"vc-fault-desc\">' + f.desc + '<\/p>';\n            html += '<div class=\"vc-fault-bar\"><div class=\"vc-fault-bar-fill\" style=\"width:' + s.confidence + '%;background:' + barColor + '\"><\/div><\/div>';\n            html += '<\/div><\/div>';\n        });\n\n        if (html === '') {\n            html = '<div class=\"vc-no-selection\">No matching faults found for the selected symptoms.<\/div>';\n        }\n\n        $('vc-fault-list').innerHTML = html;\n        $('vc-results').classList.add('vc-visible');\n    }\n\n    $('vc-diagnose').addEventListener('click', diagnose);\n    $('vc-clear').addEventListener('click', function() {\n        sympGrid.querySelectorAll('input:checked').forEach(function(cb) { cb.checked = false; });\n        $('vc-results').classList.remove('vc-visible');\n    });\n\n    document.querySelectorAll('.vc-section-toggle').forEach(function(btn) {\n        btn.addEventListener('click', function() {\n            var section = this.closest('.vc-section');\n            section.classList.toggle('vc-open');\n            this.setAttribute('aria-expanded', section.classList.contains('vc-open'));\n        });\n    });\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Interactive na matrix ng vibration diagnostic para sa pagtukoy ng mga depekto. Pumili ng mga sintomas ng vibration upang makakuha ng mga rangkadong malamang na sanhi na may mga antas ng kumpiyansa. Batay sa pattern matching ng ISO 13379.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100076","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/calculator\/100076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/calculator\/100076\/revisions"}],"predecessor-version":[{"id":100391,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/calculator\/100076\/revisions\/100391"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/media?parent=100076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/categories?post=100076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/tags?post=100076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}